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Tides

Port Isabel, TX tide table 2027

Predicted high and low tides at Port Isabel, TX (NOAA station 8779770) for every day of 2027, in station local time, with heights in feet above MLLW. The year's highest predicted tide is 2.1 ft on Thursday, October 21, and the lowest is -1.0 ft on Thursday, January 21. For today's conditions and the live chart, see the Port Isabel, TX tide chart.

Take the table with you

Print a clean monthly reference, download every prediction as CSV, or keep watch as actual conditions change at Port Isabel, TX.

The 2027 table is predicted water level. Monitors follow upcoming tides and fresh NOAA/NWS observations, and alert only when a saved rule crosses its threshold.

Port Isabel, TX tide table 2027

NOAA station 8779770
MLLW · feet · station local time

NOAA CO-OPS harmonic predictions · perigeetides.com/tides/texas/port-isabel-8779770/2027
Predictions are for planning, not navigation.

King tides in 2027

The highest predicted tides of the year at Port Isabel, TX — the top 1% of highs, 2.0ft and above. These perigean spring tides arrive when a full or new moon coincides with the moon's closest approach to Earth; expect the most shoreline flooding risk around these dates. (Read why king tides happen.)

  • Oct 19 — peaks 2.1 ft at 11:30 PM
  • Oct 21–22 — peaks 2.1 ft at 12:24 AM
  • Oct 30–31 — peaks 2.0 ft at 7:24 PM

Minus tide calendar 2027

All 190 predicted minus tides (lows below the MLLW zero line) at Port Isabel, TX in 2027 — the windows when the most shore is exposed for tidepooling, clamming, and beachcombing.

January

  • 014:42 AM (-0.2 ft)
  • 025:24 AM (-0.3 ft)
  • 036:06 AM (-0.4 ft)
  • 046:54 AM (-0.5 ft)
  • 057:36 AM (-0.5 ft)
  • 068:18 AM (-0.5 ft)
  • 078:54 AM (-0.5 ft)
  • 089:30 AM (-0.5 ft)
  • 0910:00 AM (-0.4 ft)
  • 1010:36 AM (-0.3 ft)
  • 1111:18 AM (-0.2 ft)
  • 152:36 AM (-0.0 ft)
  • 163:24 AM (-0.2 ft)
  • 174:18 AM (-0.5 ft)
  • 185:06 AM (-0.7 ft)
  • 196:06 AM (-0.9 ft)
  • 207:06 AM (-1.0 ft)
  • 218:06 AM (-1.0 ft)
  • 229:00 AM (-0.9 ft)
  • 239:48 AM (-0.7 ft)
  • 2410:42 AM (-0.5 ft)
  • 2511:42 AM (-0.2 ft)
  • 281:54 AM (-0.1 ft)
  • 292:48 AM (-0.3 ft)
  • 303:48 AM (-0.4 ft)
  • 314:42 AM (-0.4 ft)

February

  • 015:36 AM (-0.5 ft)
  • 026:30 AM (-0.5 ft)
  • 037:18 AM (-0.5 ft)
  • 048:06 AM (-0.5 ft)
  • 058:42 AM (-0.4 ft)
  • 069:18 AM (-0.3 ft)
  • 079:48 AM (-0.2 ft)
  • 0810:24 AM (-0.1 ft)
  • 121:00 AM (-0.1 ft)
  • 131:42 AM (-0.3 ft)
  • 142:30 AM (-0.4 ft)
  • 153:42 AM (-0.6 ft)
  • 164:48 AM (-0.7 ft)
  • 175:54 AM (-0.7 ft)
  • 187:00 AM (-0.7 ft)
  • 198:00 AM (-0.6 ft)
  • 208:54 AM (-0.4 ft)
  • 219:48 AM (-0.2 ft)
  • 2512:18 AM (-0.1 ft)
  • 261:00 AM (-0.2 ft)
  • 271:48 AM (-0.3 ft)
  • 282:42 AM (-0.2 ft)

March

  • 013:54 AM (-0.2 ft)
  • 025:00 AM (-0.2 ft)
  • 036:00 AM (-0.2 ft)
  • 046:54 AM (-0.1 ft)
  • 057:42 AM (-0.1 ft)
  • 068:24 AM (-0.0 ft)
  • 1111:30 PM (-0.1 ft)
  • 1312:18 AM (-0.2 ft)
  • 141:06 AM (-0.3 ft)
  • 153:00 AM (-0.4 ft)
  • 164:12 AM (-0.4 ft)
  • 175:30 AM (-0.3 ft)
  • 186:42 AM (-0.3 ft)
  • 197:48 AM (-0.1 ft)
  • 2411:42 PM (-0.1 ft)
  • 2612:24 AM (-0.1 ft)
  • 271:12 AM (-0.1 ft)
  • 282:00 AM (-0.1 ft)
  • 292:54 AM (-0.0 ft)

April

  • 0811:06 PM (-0.2 ft)
  • 0911:54 PM (-0.3 ft)
  • 1112:48 AM (-0.3 ft)
  • 121:48 AM (-0.3 ft)
  • 132:42 AM (-0.3 ft)
  • 143:54 AM (-0.1 ft)
  • 209:54 PM (-0.0 ft)
  • 2110:24 PM (-0.2 ft)
  • 2211:06 PM (-0.2 ft)
  • 2311:48 PM (-0.2 ft)
  • 2512:36 AM (-0.1 ft)
  • 261:24 AM (-0.0 ft)

May

  • 048:48 PM (-0.0 ft)
  • 059:24 PM (-0.2 ft)
  • 0610:00 PM (-0.4 ft)
  • 0710:48 PM (-0.5 ft)
  • 0811:36 PM (-0.5 ft)
  • 1012:36 AM (-0.5 ft)
  • 111:36 AM (-0.4 ft)
  • 122:30 AM (-0.2 ft)
  • 178:18 PM (-0.1 ft)
  • 188:54 PM (-0.3 ft)
  • 199:30 PM (-0.3 ft)
  • 2010:06 PM (-0.4 ft)
  • 2110:42 PM (-0.4 ft)
  • 2211:18 PM (-0.3 ft)
  • 2412:06 AM (-0.2 ft)
  • 2512:54 AM (-0.1 ft)
  • 261:36 AM (-0.0 ft)
  • 317:00 PM (-0.0 ft)

June

  • 017:30 PM (-0.3 ft)
  • 028:12 PM (-0.5 ft)
  • 039:00 PM (-0.6 ft)
  • 049:42 PM (-0.8 ft)
  • 0510:36 PM (-0.8 ft)
  • 0611:30 PM (-0.7 ft)
  • 0812:30 AM (-0.6 ft)
  • 091:24 AM (-0.4 ft)
  • 102:18 AM (-0.1 ft)
  • 136:30 PM (-0.1 ft)
  • 147:12 PM (-0.3 ft)
  • 157:48 PM (-0.5 ft)
  • 168:30 PM (-0.5 ft)
  • 179:12 PM (-0.5 ft)
  • 189:48 PM (-0.5 ft)
  • 1910:24 PM (-0.5 ft)
  • 2011:06 PM (-0.4 ft)
  • 2111:42 PM (-0.3 ft)
  • 2312:24 AM (-0.2 ft)
  • 241:06 AM (-0.0 ft)
  • 285:42 PM (-0.1 ft)
  • 296:18 PM (-0.4 ft)
  • 307:00 PM (-0.6 ft)

July

  • 017:48 PM (-0.8 ft)
  • 028:42 PM (-0.9 ft)
  • 039:36 PM (-0.9 ft)
  • 0410:30 PM (-0.9 ft)
  • 0511:24 PM (-0.7 ft)
  • 0712:24 AM (-0.4 ft)
  • 081:18 AM (-0.1 ft)
  • 115:12 PM (-0.2 ft)
  • 126:00 PM (-0.4 ft)
  • 136:42 PM (-0.5 ft)
  • 147:30 PM (-0.5 ft)
  • 158:18 PM (-0.5 ft)
  • 169:00 PM (-0.5 ft)
  • 179:36 PM (-0.4 ft)
  • 1810:12 PM (-0.4 ft)
  • 1910:48 PM (-0.3 ft)
  • 2011:24 PM (-0.1 ft)
  • 264:00 PM (-0.1 ft)
  • 274:54 PM (-0.3 ft)
  • 285:42 PM (-0.4 ft)
  • 296:36 PM (-0.6 ft)
  • 307:36 PM (-0.7 ft)
  • 318:36 PM (-0.7 ft)

August

  • 019:30 PM (-0.6 ft)
  • 0210:24 PM (-0.5 ft)
  • 0311:18 PM (-0.2 ft)
  • 083:18 PM (-0.1 ft)
  • 094:18 PM (-0.1 ft)
  • 105:18 PM (-0.2 ft)
  • 116:18 PM (-0.2 ft)
  • 127:06 PM (-0.2 ft)
  • 138:00 PM (-0.1 ft)
  • 148:48 PM (-0.1 ft)
  • 159:24 PM (-0.0 ft)
  • 254:12 PM (-0.1 ft)
  • 265:18 PM (-0.2 ft)
  • 276:24 PM (-0.3 ft)
  • 287:24 PM (-0.2 ft)
  • 298:24 PM (-0.2 ft)

November

  • 148:42 AM (-0.1 ft)
  • 159:24 AM (-0.2 ft)
  • 1610:12 AM (-0.2 ft)
  • 1711:06 AM (-0.2 ft)
  • 1812:06 PM (-0.1 ft)
  • 267:30 AM (-0.1 ft)
  • 278:12 AM (-0.3 ft)
  • 288:48 AM (-0.3 ft)
  • 299:30 AM (-0.3 ft)
  • 3010:12 AM (-0.2 ft)

December

  • 0110:54 AM (-0.1 ft)
  • 0211:42 AM (-0.0 ft)
  • 106:18 AM (-0.1 ft)
  • 117:00 AM (-0.3 ft)
  • 127:42 AM (-0.5 ft)
  • 138:30 AM (-0.6 ft)
  • 149:18 AM (-0.7 ft)
  • 1510:06 AM (-0.7 ft)
  • 1611:00 AM (-0.6 ft)
  • 1712:00 PM (-0.4 ft)
  • 1812:48 PM (-0.1 ft)
  • 225:00 AM (-0.1 ft)
  • 235:42 AM (-0.3 ft)
  • 246:30 AM (-0.5 ft)
  • 257:18 AM (-0.6 ft)
  • 268:00 AM (-0.6 ft)
  • 278:42 AM (-0.6 ft)
  • 289:18 AM (-0.5 ft)
  • 2910:00 AM (-0.4 ft)
  • 3010:36 AM (-0.3 ft)
  • 3111:18 AM (-0.2 ft)

January 2027

January 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Fri 12:54 PM (1.1 ft)4:42 AM (-0.2 ft)
Sat 23:36 PM (1.3 ft)5:24 AM (-0.3 ft)
Sun 34:24 PM (1.3 ft)6:06 AM (-0.4 ft)
Mon 45:12 PM (1.3 ft)6:54 AM (-0.5 ft)
Tue 56:00 PM (1.3 ft)7:36 AM (-0.5 ft)
Wed 66:36 PM (1.3 ft)8:18 AM (-0.5 ft)
Thu 77:06 PM (1.2 ft)8:54 AM (-0.5 ft)
Fri 87:24 PM (1.1 ft)9:30 AM (-0.5 ft)
Sat 97:24 PM (1.1 ft)10:00 AM (-0.4 ft)
Sun 107:18 PM (1.0 ft)10:36 AM (-0.3 ft)
Mon 117:18 PM (0.9 ft)11:18 AM (-0.2 ft)
Tue 123:30 AM (0.7 ft) · 7:18 PM (0.8 ft)1:12 AM (0.6 ft) · 11:54 AM (0.0 ft)
Wed 135:36 AM (0.6 ft) · 7:12 PM (0.8 ft)1:30 AM (0.4 ft) · 12:24 PM (0.2 ft)
Thu 148:18 AM (0.6 ft) · 6:54 PM (0.8 ft)2:00 AM (0.2 ft) · 12:48 PM (0.5 ft)
Fri 156:12 PM (0.8 ft)2:36 AM (-0.0 ft)
Sat 163:06 PM (1.0 ft)3:24 AM (-0.2 ft)
Sun 173:30 PM (1.2 ft)4:18 AM (-0.5 ft)
Mon 184:06 PM (1.4 ft)5:06 AM (-0.7 ft)
Tue 194:54 PM (1.4 ft)6:06 AM (-0.9 ft)
Wed 205:48 PM (1.4 ft)7:06 AM (-1.0 ft)
Thu 216:30 PM (1.4 ft)8:06 AM (-1.0 ft)
Fri 227:00 PM (1.2 ft)9:00 AM (-0.9 ft)
Sat 237:00 PM (1.0 ft)9:48 AM (-0.7 ft) · 11:24 PM (0.9 ft)
Sun 242:36 AM (1.0 ft) · 6:42 PM (0.9 ft)10:42 AM (-0.5 ft) · 11:54 PM (0.6 ft)
Mon 254:06 AM (0.9 ft) · 6:36 PM (0.7 ft)11:42 AM (-0.2 ft)
Tue 266:00 AM (0.8 ft) · 6:30 PM (0.7 ft)12:30 AM (0.4 ft) · 12:30 PM (0.2 ft)
Wed 277:48 AM (0.7 ft) · 6:18 PM (0.7 ft)1:12 AM (0.1 ft) · 1:18 PM (0.5 ft)
Thu 2810:48 AM (0.8 ft) · 4:54 PM (0.8 ft)1:54 AM (-0.1 ft) · 2:12 PM (0.8 ft)
Fri 291:48 PM (1.0 ft)2:48 AM (-0.3 ft)
Sat 302:54 PM (1.1 ft)3:48 AM (-0.4 ft)
Sun 313:30 PM (1.2 ft)4:42 AM (-0.4 ft)

February 2027

February 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Mon 14:12 PM (1.2 ft)5:36 AM (-0.5 ft)
Tue 25:00 PM (1.2 ft)6:30 AM (-0.5 ft)
Wed 35:36 PM (1.2 ft)7:18 AM (-0.5 ft)
Thu 46:06 PM (1.1 ft)8:06 AM (-0.5 ft)
Fri 56:18 PM (1.0 ft)8:42 AM (-0.4 ft)
Sat 66:00 PM (0.9 ft)9:18 AM (-0.3 ft) · 10:42 PM (0.8 ft)
Sun 712:42 AM (0.8 ft) · 5:48 PM (0.9 ft)9:48 AM (-0.2 ft) · 10:54 PM (0.7 ft)
Mon 82:42 AM (0.8 ft) · 5:42 PM (0.8 ft)10:24 AM (-0.1 ft) · 11:24 PM (0.5 ft)
Tue 93:54 AM (0.7 ft) · 5:42 PM (0.8 ft)11:06 AM (0.1 ft) · 11:54 PM (0.3 ft)
Wed 105:24 AM (0.7 ft) · 5:36 PM (0.7 ft)11:54 AM (0.3 ft)
Thu 117:06 AM (0.7 ft) · 5:06 PM (0.8 ft)12:24 AM (0.1 ft) · 12:36 PM (0.6 ft)
Fri 129:54 AM (0.8 ft) · 4:24 PM (0.8 ft)1:00 AM (-0.1 ft) · 1:18 PM (0.8 ft)
Sat 132:00 PM (1.0 ft)1:42 AM (-0.3 ft)
Sun 142:36 PM (1.2 ft)2:30 AM (-0.4 ft)
Mon 153:18 PM (1.4 ft)3:42 AM (-0.6 ft)
Tue 164:00 PM (1.4 ft)4:48 AM (-0.7 ft)
Wed 174:42 PM (1.4 ft)5:54 AM (-0.7 ft)
Thu 185:18 PM (1.3 ft)7:00 AM (-0.7 ft)
Fri 195:36 PM (1.1 ft)8:00 AM (-0.6 ft) · 9:24 PM (1.0 ft)
Sat 2012:12 AM (1.1 ft) · 5:12 PM (1.0 ft)8:54 AM (-0.4 ft) · 9:30 PM (0.8 ft)
Sun 212:18 AM (1.0 ft) · 4:48 PM (0.8 ft)9:48 AM (-0.2 ft) · 10:00 PM (0.5 ft)
Mon 223:42 AM (1.0 ft) · 4:48 PM (0.8 ft)10:42 AM (0.1 ft) · 10:42 PM (0.3 ft)
Tue 235:06 AM (1.0 ft) · 4:42 PM (0.7 ft)11:42 AM (0.4 ft) · 11:30 PM (0.1 ft)
Wed 246:42 AM (1.0 ft) · 4:24 PM (0.8 ft)12:42 PM (0.7 ft)
Thu 258:24 AM (1.1 ft)12:18 AM (-0.1 ft)
Fri 2611:00 AM (1.1 ft)1:00 AM (-0.2 ft)
Sat 2712:54 PM (1.2 ft)1:48 AM (-0.3 ft)
Sun 282:24 PM (1.3 ft)2:42 AM (-0.2 ft)

March 2027

March 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Mon 13:12 PM (1.3 ft)3:54 AM (-0.2 ft)
Tue 23:48 PM (1.3 ft)5:00 AM (-0.2 ft)
Wed 34:18 PM (1.2 ft)6:00 AM (-0.2 ft)
Thu 44:36 PM (1.1 ft)6:54 AM (-0.1 ft)
Fri 54:30 PM (1.1 ft) · 11:18 PM (0.9 ft)7:42 AM (-0.1 ft) · 9:18 PM (0.9 ft)
Sat 64:12 PM (1.0 ft)8:24 AM (-0.0 ft) · 9:06 PM (0.8 ft)
Sun 71:42 AM (0.9 ft) · 4:00 PM (0.9 ft)9:06 AM (0.1 ft) · 9:18 PM (0.6 ft)
Mon 82:54 AM (1.0 ft) · 4:00 PM (0.9 ft)9:42 AM (0.3 ft) · 9:42 PM (0.5 ft)
Tue 93:54 AM (1.0 ft) · 4:00 PM (0.9 ft)10:30 AM (0.5 ft) · 10:12 PM (0.3 ft)
Wed 105:06 AM (1.1 ft) · 3:42 PM (0.9 ft)11:30 AM (0.7 ft) · 10:48 PM (0.1 ft)
Thu 116:30 AM (1.1 ft) · 3:24 PM (0.9 ft)12:36 PM (0.9 ft) · 11:30 PM (-0.1 ft)
Fri 127:54 AM (1.2 ft)
Sat 1310:48 AM (1.3 ft)12:18 AM (-0.2 ft)
Sun 141:24 PM (1.4 ft)1:06 AM (-0.3 ft)
Mon 153:00 PM (1.5 ft)3:00 AM (-0.4 ft)
Tue 163:48 PM (1.5 ft)4:12 AM (-0.4 ft)
Wed 174:24 PM (1.5 ft)5:30 AM (-0.3 ft)
Thu 184:48 PM (1.4 ft)6:42 AM (-0.3 ft)
Fri 194:42 PM (1.2 ft)7:48 AM (-0.1 ft) · 9:18 PM (1.0 ft)
Sat 201:06 AM (1.1 ft) · 4:18 PM (1.0 ft)9:00 AM (0.1 ft) · 9:24 PM (0.8 ft)
Sun 213:00 AM (1.2 ft) · 4:06 PM (0.9 ft)9:54 AM (0.3 ft) · 9:48 PM (0.5 ft)
Mon 224:18 AM (1.3 ft) · 4:06 PM (0.9 ft)10:54 AM (0.5 ft) · 10:24 PM (0.2 ft)
Tue 235:30 AM (1.3 ft) · 4:00 PM (0.9 ft)12:06 PM (0.8 ft) · 11:00 PM (0.1 ft)
Wed 246:54 AM (1.4 ft) · 3:36 PM (1.0 ft)1:36 PM (1.0 ft) · 11:42 PM (-0.1 ft)
Thu 258:12 AM (1.4 ft)
Fri 269:42 AM (1.4 ft)12:24 AM (-0.1 ft)
Sat 2711:42 AM (1.4 ft)1:12 AM (-0.1 ft)
Sun 2812:54 PM (1.4 ft)2:00 AM (-0.1 ft)
Mon 292:24 PM (1.4 ft)2:54 AM (-0.0 ft)
Tue 303:24 PM (1.4 ft)4:00 AM (0.1 ft)
Wed 313:54 PM (1.3 ft)5:12 AM (0.1 ft)

April 2027

April 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Thu 14:00 PM (1.2 ft)6:18 AM (0.2 ft)
Fri 23:48 PM (1.1 ft)7:18 AM (0.3 ft) · 9:12 PM (1.0 ft)
Sat 312:36 AM (1.0 ft) · 3:30 PM (1.1 ft)8:12 AM (0.4 ft) · 8:54 PM (0.8 ft)
Sun 42:24 AM (1.1 ft) · 3:24 PM (1.0 ft)9:12 AM (0.5 ft) · 9:06 PM (0.6 ft)
Mon 53:42 AM (1.2 ft) · 3:18 PM (1.0 ft)10:00 AM (0.7 ft) · 9:30 PM (0.4 ft)
Tue 64:42 AM (1.3 ft) · 3:12 PM (1.0 ft)10:54 AM (0.8 ft) · 10:00 PM (0.2 ft)
Wed 75:42 AM (1.4 ft) · 2:42 PM (1.0 ft)12:30 PM (1.0 ft) · 10:30 PM (0.0 ft)
Thu 86:54 AM (1.5 ft)11:06 PM (-0.2 ft)
Fri 98:12 AM (1.6 ft)11:54 PM (-0.3 ft)
Sat 109:54 AM (1.6 ft)
Sun 1111:42 AM (1.7 ft)12:48 AM (-0.3 ft)
Mon 1212:48 PM (1.7 ft)1:48 AM (-0.3 ft)
Tue 131:54 PM (1.6 ft)2:42 AM (-0.3 ft)
Wed 142:48 PM (1.5 ft)3:54 AM (-0.1 ft)
Thu 153:06 PM (1.4 ft)5:12 AM (0.0 ft)
Fri 162:36 PM (1.2 ft)6:30 AM (0.3 ft) · 8:12 PM (0.9 ft)
Sat 1712:42 AM (1.1 ft) · 2:12 PM (1.1 ft)7:48 AM (0.5 ft) · 8:24 PM (0.6 ft)
Sun 182:36 AM (1.3 ft) · 2:06 PM (1.0 ft)9:06 AM (0.7 ft) · 8:48 PM (0.4 ft)
Mon 194:00 AM (1.4 ft) · 1:54 PM (1.0 ft)10:24 AM (0.9 ft) · 9:18 PM (0.1 ft)
Tue 205:12 AM (1.5 ft)9:54 PM (-0.0 ft)
Wed 216:24 AM (1.6 ft)10:24 PM (-0.2 ft)
Thu 227:30 AM (1.6 ft)11:06 PM (-0.2 ft)
Fri 238:36 AM (1.6 ft)11:48 PM (-0.2 ft)
Sat 249:54 AM (1.6 ft)
Sun 2511:18 AM (1.6 ft)12:36 AM (-0.1 ft)
Mon 2612:06 PM (1.5 ft)1:24 AM (-0.0 ft)
Tue 2712:48 PM (1.4 ft)2:12 AM (0.1 ft)
Wed 281:12 PM (1.4 ft)3:00 AM (0.2 ft)
Thu 291:12 PM (1.3 ft)4:06 AM (0.3 ft)
Fri 301:06 PM (1.2 ft) · 11:54 PM (0.9 ft)5:18 AM (0.5 ft) · 7:54 PM (0.9 ft)

May 2027

May 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Sat 11:06 PM (1.1 ft)6:24 AM (0.6 ft) · 7:30 PM (0.7 ft)
Sun 21:42 AM (1.0 ft) · 1:06 PM (1.0 ft)7:36 AM (0.8 ft) · 7:48 PM (0.5 ft)
Mon 33:18 AM (1.2 ft) · 12:48 PM (1.0 ft)9:06 AM (0.9 ft) · 8:18 PM (0.2 ft)
Tue 44:24 AM (1.4 ft)8:48 PM (-0.0 ft)
Wed 55:18 AM (1.5 ft)9:24 PM (-0.2 ft)
Thu 66:30 AM (1.6 ft)10:00 PM (-0.4 ft)
Fri 77:42 AM (1.7 ft)10:48 PM (-0.5 ft)
Sat 88:48 AM (1.8 ft)11:36 PM (-0.5 ft)
Sun 910:18 AM (1.8 ft)
Mon 1011:24 AM (1.7 ft)12:36 AM (-0.5 ft)
Tue 1112:06 PM (1.6 ft)1:36 AM (-0.4 ft)
Wed 1212:30 PM (1.5 ft)2:30 AM (-0.2 ft)
Thu 1312:24 PM (1.3 ft)3:36 AM (0.1 ft)
Fri 1412:18 PM (1.1 ft)4:54 AM (0.4 ft) · 6:54 PM (0.7 ft)
Sat 1512:12 AM (1.0 ft) · 12:12 PM (1.0 ft)6:18 AM (0.7 ft) · 7:12 PM (0.4 ft)
Sun 162:24 AM (1.1 ft) · 12:00 PM (1.0 ft)8:06 AM (0.9 ft) · 7:42 PM (0.1 ft)
Mon 174:06 AM (1.3 ft)8:18 PM (-0.1 ft)
Tue 185:12 AM (1.5 ft)8:54 PM (-0.3 ft)
Wed 196:18 AM (1.6 ft)9:30 PM (-0.3 ft)
Thu 207:18 AM (1.6 ft)10:06 PM (-0.4 ft)
Fri 218:06 AM (1.6 ft)10:42 PM (-0.4 ft)
Sat 228:54 AM (1.6 ft)11:18 PM (-0.3 ft)
Sun 239:48 AM (1.5 ft)
Mon 2410:48 AM (1.4 ft)12:06 AM (-0.2 ft)
Tue 2511:18 AM (1.4 ft)12:54 AM (-0.1 ft)
Wed 2611:24 AM (1.3 ft)1:36 AM (-0.0 ft)
Thu 2711:24 AM (1.2 ft)2:18 AM (0.1 ft)
Fri 2811:24 AM (1.1 ft) · 10:18 PM (0.7 ft)2:54 AM (0.3 ft) · 6:36 PM (0.7 ft)
Sat 2911:24 AM (1.0 ft)3:42 AM (0.5 ft) · 6:12 PM (0.5 ft)
Sun 3012:42 AM (0.8 ft) · 11:12 AM (1.0 ft)5:30 AM (0.8 ft) · 6:30 PM (0.2 ft)
Mon 313:30 AM (1.0 ft) · 10:30 AM (1.0 ft)7:12 AM (0.9 ft) · 7:00 PM (-0.0 ft)

June 2027

June 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Tue 14:24 AM (1.2 ft)7:30 PM (-0.3 ft)
Wed 25:12 AM (1.4 ft)8:12 PM (-0.5 ft)
Thu 36:06 AM (1.6 ft)9:00 PM (-0.6 ft)
Fri 47:12 AM (1.7 ft)9:42 PM (-0.8 ft)
Sat 58:12 AM (1.7 ft)10:36 PM (-0.8 ft)
Sun 69:06 AM (1.7 ft)11:30 PM (-0.7 ft)
Mon 710:06 AM (1.6 ft)
Tue 810:48 AM (1.5 ft)12:30 AM (-0.6 ft)
Wed 911:00 AM (1.3 ft)1:24 AM (-0.4 ft)
Thu 1010:42 AM (1.1 ft) · 8:24 PM (0.8 ft)2:18 AM (-0.1 ft) · 5:18 PM (0.7 ft)
Fri 1110:36 AM (1.0 ft) · 11:30 PM (0.8 ft)3:12 AM (0.3 ft) · 5:30 PM (0.4 ft)
Sat 1210:24 AM (0.9 ft)4:36 AM (0.6 ft) · 6:00 PM (0.1 ft)
Sun 132:12 AM (1.0 ft) · 9:36 AM (0.9 ft)6:30 AM (0.9 ft) · 6:30 PM (-0.1 ft)
Mon 144:06 AM (1.2 ft)7:12 PM (-0.3 ft)
Tue 155:00 AM (1.4 ft)7:48 PM (-0.5 ft)
Wed 165:54 AM (1.5 ft)8:30 PM (-0.5 ft)
Thu 176:48 AM (1.5 ft)9:12 PM (-0.5 ft)
Fri 187:36 AM (1.5 ft)9:48 PM (-0.5 ft)
Sat 198:18 AM (1.4 ft)10:24 PM (-0.5 ft)
Sun 208:54 AM (1.4 ft)11:06 PM (-0.4 ft)
Mon 219:24 AM (1.3 ft)11:42 PM (-0.3 ft)
Tue 229:36 AM (1.2 ft)
Wed 239:36 AM (1.1 ft)12:24 AM (-0.2 ft)
Thu 249:30 AM (1.1 ft)1:06 AM (-0.0 ft)
Fri 259:36 AM (1.0 ft) · 7:30 PM (0.6 ft)1:36 AM (0.2 ft) · 4:24 PM (0.6 ft)
Sat 269:30 AM (0.9 ft) · 11:36 PM (0.7 ft)2:00 AM (0.4 ft) · 4:42 PM (0.3 ft)
Sun 279:06 AM (0.9 ft)2:12 AM (0.6 ft) · 5:06 PM (0.1 ft)
Mon 288:18 AM (0.9 ft)5:42 PM (-0.1 ft)
Tue 294:24 AM (1.1 ft)6:18 PM (-0.4 ft)
Wed 304:54 AM (1.3 ft)7:00 PM (-0.6 ft)

July 2027

July 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Thu 15:42 AM (1.5 ft)7:48 PM (-0.8 ft)
Fri 26:36 AM (1.6 ft)8:42 PM (-0.9 ft)
Sat 37:30 AM (1.6 ft)9:36 PM (-0.9 ft)
Sun 48:18 AM (1.6 ft)10:30 PM (-0.9 ft)
Mon 58:54 AM (1.5 ft)11:24 PM (-0.7 ft)
Tue 69:12 AM (1.3 ft)
Wed 79:00 AM (1.1 ft) · 4:54 PM (0.9 ft)12:24 AM (-0.4 ft) · 2:24 PM (0.9 ft)
Thu 88:48 AM (1.0 ft) · 7:36 PM (0.8 ft)1:18 AM (-0.1 ft) · 2:48 PM (0.6 ft)
Fri 98:42 AM (0.9 ft) · 10:06 PM (0.8 ft)2:06 AM (0.2 ft) · 3:30 PM (0.3 ft)
Sat 108:30 AM (0.9 ft)3:00 AM (0.6 ft) · 4:18 PM (0.0 ft)
Sun 1112:54 AM (1.0 ft) · 7:36 AM (0.9 ft)5:00 AM (0.9 ft) · 5:12 PM (-0.2 ft)
Mon 123:30 AM (1.2 ft)6:00 PM (-0.4 ft)
Tue 134:24 AM (1.3 ft)6:42 PM (-0.5 ft)
Wed 145:12 AM (1.4 ft)7:30 PM (-0.5 ft)
Thu 156:00 AM (1.4 ft)8:18 PM (-0.5 ft)
Fri 166:48 AM (1.4 ft)9:00 PM (-0.5 ft)
Sat 177:30 AM (1.4 ft)9:36 PM (-0.4 ft)
Sun 188:06 AM (1.3 ft)10:12 PM (-0.4 ft)
Mon 198:18 AM (1.2 ft)10:48 PM (-0.3 ft)
Tue 208:18 AM (1.2 ft)11:24 PM (-0.1 ft)
Wed 218:00 AM (1.1 ft)
Thu 228:00 AM (1.0 ft) · 4:36 PM (0.8 ft)12:00 AM (0.0 ft) · 2:00 PM (0.7 ft)
Fri 238:00 AM (1.0 ft) · 6:54 PM (0.7 ft)12:36 AM (0.2 ft) · 2:18 PM (0.6 ft)
Sat 247:54 AM (0.9 ft) · 9:24 PM (0.7 ft)1:12 AM (0.5 ft) · 2:42 PM (0.4 ft)
Sun 257:30 AM (0.9 ft)1:36 AM (0.7 ft) · 3:18 PM (0.2 ft)
Mon 266:54 AM (1.0 ft)4:00 PM (-0.1 ft)
Tue 274:06 AM (1.2 ft)4:54 PM (-0.3 ft)
Wed 284:18 AM (1.4 ft)5:42 PM (-0.4 ft)
Thu 294:54 AM (1.5 ft)6:36 PM (-0.6 ft)
Fri 305:42 AM (1.6 ft)7:36 PM (-0.7 ft)
Sat 316:36 AM (1.6 ft)8:36 PM (-0.7 ft)

August 2027

August 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Sun 17:18 AM (1.6 ft)9:30 PM (-0.6 ft)
Mon 27:48 AM (1.5 ft)10:24 PM (-0.5 ft)
Tue 37:42 AM (1.3 ft) · 3:06 PM (1.2 ft)11:42 AM (1.2 ft) · 11:18 PM (-0.2 ft)
Wed 47:18 AM (1.1 ft) · 4:48 PM (1.2 ft)12:18 PM (0.9 ft)
Thu 57:06 AM (1.0 ft) · 6:36 PM (1.1 ft)12:18 AM (0.1 ft) · 1:00 PM (0.6 ft)
Fri 67:00 AM (1.0 ft) · 8:30 PM (1.1 ft)1:18 AM (0.5 ft) · 1:42 PM (0.3 ft)
Sat 76:48 AM (1.0 ft) · 11:24 PM (1.2 ft)2:12 AM (0.8 ft) · 2:30 PM (0.1 ft)
Sun 85:24 AM (1.1 ft)3:24 AM (1.1 ft) · 3:18 PM (-0.1 ft)
Mon 91:30 AM (1.3 ft)4:18 PM (-0.1 ft)
Tue 103:18 AM (1.5 ft)5:18 PM (-0.2 ft)
Wed 114:12 AM (1.5 ft)6:18 PM (-0.2 ft)
Thu 124:54 AM (1.6 ft)7:06 PM (-0.2 ft)
Fri 135:36 AM (1.5 ft)8:00 PM (-0.1 ft)
Sat 146:24 AM (1.5 ft)8:48 PM (-0.1 ft)
Sun 156:54 AM (1.4 ft)9:24 PM (-0.0 ft)
Mon 167:06 AM (1.3 ft)10:00 PM (0.1 ft)
Tue 176:42 AM (1.3 ft) · 1:36 PM (1.1 ft)11:06 AM (1.1 ft) · 10:36 PM (0.2 ft)
Wed 186:18 AM (1.2 ft) · 3:42 PM (1.1 ft)11:24 AM (1.0 ft) · 11:06 PM (0.4 ft)
Thu 196:18 AM (1.2 ft) · 4:54 PM (1.1 ft)12:00 PM (0.8 ft) · 11:48 PM (0.6 ft)
Fri 206:12 AM (1.1 ft) · 6:30 PM (1.1 ft)12:30 PM (0.7 ft)
Sat 216:00 AM (1.1 ft) · 8:06 PM (1.1 ft)12:36 AM (0.8 ft) · 1:06 PM (0.5 ft)
Sun 225:36 AM (1.2 ft) · 11:30 PM (1.2 ft)1:30 AM (1.0 ft) · 1:42 PM (0.3 ft)
Mon 234:54 AM (1.2 ft)2:24 AM (1.2 ft) · 2:24 PM (0.2 ft)
Tue 241:36 AM (1.4 ft)3:12 PM (0.0 ft)
Wed 253:12 AM (1.6 ft)4:12 PM (-0.1 ft)
Thu 263:54 AM (1.7 ft)5:18 PM (-0.2 ft)
Fri 274:36 AM (1.8 ft)6:24 PM (-0.3 ft)
Sat 285:18 AM (1.8 ft)7:24 PM (-0.2 ft)
Sun 295:54 AM (1.7 ft)8:24 PM (-0.2 ft)
Mon 306:00 AM (1.6 ft) · 12:36 PM (1.5 ft)9:48 AM (1.5 ft) · 9:24 PM (0.0 ft)
Tue 315:30 AM (1.4 ft) · 2:48 PM (1.5 ft)10:00 AM (1.2 ft) · 10:18 PM (0.3 ft)

September 2027

September 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Wed 15:12 AM (1.3 ft) · 4:18 PM (1.5 ft)10:24 AM (1.0 ft) · 11:18 PM (0.6 ft)
Thu 25:12 AM (1.2 ft) · 5:48 PM (1.5 ft)11:06 AM (0.7 ft)
Fri 35:06 AM (1.2 ft) · 7:24 PM (1.6 ft)12:24 AM (0.9 ft) · 12:00 PM (0.4 ft)
Sat 44:48 AM (1.3 ft) · 9:12 PM (1.6 ft)1:36 AM (1.2 ft) · 12:54 PM (0.3 ft)
Sun 511:42 PM (1.7 ft)1:42 PM (0.2 ft)
Mon 62:30 PM (0.1 ft)
Tue 71:06 AM (1.7 ft)3:30 PM (0.2 ft)
Wed 82:42 AM (1.8 ft)4:36 PM (0.2 ft)
Thu 93:42 AM (1.8 ft)5:48 PM (0.2 ft)
Fri 104:18 AM (1.7 ft)6:42 PM (0.3 ft)
Sat 114:48 AM (1.7 ft)7:36 PM (0.4 ft)
Sun 125:06 AM (1.6 ft)8:24 PM (0.5 ft)
Mon 135:00 AM (1.5 ft) · 12:48 PM (1.4 ft)9:48 AM (1.4 ft) · 9:12 PM (0.6 ft)
Tue 144:36 AM (1.4 ft) · 2:42 PM (1.4 ft)9:42 AM (1.2 ft) · 9:48 PM (0.7 ft)
Wed 154:30 AM (1.4 ft) · 3:54 PM (1.4 ft)9:54 AM (1.1 ft) · 10:24 PM (0.9 ft)
Thu 164:30 AM (1.3 ft) · 4:54 PM (1.5 ft)10:18 AM (0.9 ft) · 11:12 PM (1.0 ft)
Fri 174:24 AM (1.3 ft) · 6:00 PM (1.5 ft)10:48 AM (0.7 ft)
Sat 184:12 AM (1.4 ft) · 7:24 PM (1.6 ft)12:12 AM (1.2 ft) · 11:24 AM (0.6 ft)
Sun 193:48 AM (1.4 ft) · 8:54 PM (1.7 ft)1:36 AM (1.4 ft) · 12:06 PM (0.4 ft)
Mon 2011:42 PM (1.8 ft)12:54 PM (0.3 ft)
Tue 211:42 PM (0.2 ft)
Wed 2212:54 AM (1.9 ft)2:36 PM (0.1 ft)
Thu 232:18 AM (2.0 ft)3:42 PM (0.1 ft)
Fri 243:18 AM (2.0 ft)5:00 PM (0.2 ft)
Sat 253:54 AM (2.0 ft)6:06 PM (0.2 ft)
Sun 264:18 AM (1.8 ft)7:12 PM (0.4 ft)
Mon 274:06 AM (1.7 ft) · 12:36 PM (1.6 ft)8:42 AM (1.5 ft) · 8:24 PM (0.6 ft)
Tue 283:42 AM (1.5 ft) · 2:30 PM (1.7 ft)8:48 AM (1.2 ft) · 9:24 PM (0.8 ft)
Wed 293:30 AM (1.4 ft) · 3:54 PM (1.8 ft)9:18 AM (0.9 ft) · 10:30 PM (1.1 ft)
Thu 303:24 AM (1.4 ft) · 5:12 PM (1.9 ft)9:54 AM (0.7 ft) · 11:42 PM (1.3 ft)

October 2027

October 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Fri 13:18 AM (1.4 ft) · 6:36 PM (1.9 ft)10:30 AM (0.4 ft)
Sat 28:00 PM (2.0 ft)11:12 AM (0.3 ft)
Sun 39:48 PM (2.0 ft)12:06 PM (0.2 ft)
Mon 411:30 PM (2.0 ft)1:00 PM (0.3 ft)
Tue 51:48 PM (0.3 ft)
Wed 612:36 AM (2.0 ft)2:42 PM (0.4 ft)
Thu 71:42 AM (1.9 ft)3:48 PM (0.5 ft)
Fri 82:48 AM (1.9 ft)5:00 PM (0.6 ft)
Sat 93:18 AM (1.8 ft)6:06 PM (0.7 ft)
Sun 103:24 AM (1.7 ft)7:00 PM (0.8 ft)
Mon 113:06 AM (1.6 ft) · 12:48 PM (1.5 ft)8:42 AM (1.4 ft) · 7:54 PM (0.9 ft)
Tue 122:48 AM (1.5 ft) · 2:24 PM (1.5 ft)8:30 AM (1.2 ft) · 8:54 PM (1.1 ft)
Wed 132:48 AM (1.4 ft) · 3:36 PM (1.6 ft)8:48 AM (1.0 ft) · 9:48 PM (1.2 ft)
Thu 142:42 AM (1.4 ft) · 4:36 PM (1.7 ft)9:12 AM (0.8 ft) · 10:42 PM (1.4 ft)
Fri 152:24 AM (1.4 ft) · 5:36 PM (1.8 ft)9:42 AM (0.6 ft)
Sat 166:48 PM (1.9 ft)10:12 AM (0.4 ft)
Sun 178:06 PM (2.0 ft)10:48 AM (0.3 ft)
Mon 189:48 PM (2.0 ft)11:30 AM (0.2 ft)
Tue 1911:30 PM (2.1 ft)12:24 PM (0.1 ft)
Wed 201:18 PM (0.1 ft)
Thu 2112:24 AM (2.1 ft)2:18 PM (0.2 ft)
Fri 221:18 AM (2.0 ft)3:18 PM (0.3 ft)
Sat 232:06 AM (1.9 ft)4:36 PM (0.4 ft)
Sun 242:12 AM (1.8 ft)5:54 PM (0.6 ft)
Mon 251:42 AM (1.6 ft) · 12:12 PM (1.5 ft)7:36 AM (1.3 ft) · 7:06 PM (0.9 ft)
Tue 261:30 AM (1.5 ft) · 2:06 PM (1.6 ft)7:48 AM (1.0 ft) · 8:30 PM (1.1 ft)
Wed 271:24 AM (1.4 ft) · 3:42 PM (1.8 ft)8:18 AM (0.7 ft) · 9:54 PM (1.3 ft)
Thu 281:06 AM (1.4 ft) · 4:54 PM (1.9 ft)8:54 AM (0.4 ft)
Fri 296:06 PM (2.0 ft)9:30 AM (0.2 ft)
Sat 307:24 PM (2.0 ft)10:06 AM (0.1 ft)
Sun 318:30 PM (2.0 ft)10:48 AM (0.1 ft)

November 2027

November 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Mon 19:54 PM (2.0 ft)11:30 AM (0.1 ft)
Tue 211:12 PM (1.9 ft)12:24 PM (0.2 ft)
Wed 31:12 PM (0.2 ft)
Thu 412:00 AM (1.9 ft)2:00 PM (0.4 ft)
Fri 512:36 AM (1.8 ft)2:54 PM (0.5 ft)
Sat 612:54 AM (1.7 ft)3:48 PM (0.6 ft)
Sun 712:48 AM (1.6 ft) · 11:42 PM (1.5 ft)4:06 PM (0.8 ft)
Mon 811:00 AM (1.2 ft) · 11:42 PM (1.4 ft)6:30 AM (1.1 ft) · 5:12 PM (1.0 ft)
Tue 912:48 PM (1.3 ft) · 11:36 PM (1.3 ft)6:12 AM (0.9 ft) · 6:24 PM (1.1 ft)
Wed 102:30 PM (1.5 ft) · 11:18 PM (1.3 ft)6:36 AM (0.7 ft) · 8:00 PM (1.3 ft)
Thu 113:24 PM (1.6 ft)7:00 AM (0.5 ft)
Fri 124:18 PM (1.8 ft)7:30 AM (0.3 ft)
Sat 135:24 PM (1.9 ft)8:06 AM (0.1 ft)
Sun 146:36 PM (1.9 ft)8:42 AM (-0.1 ft)
Mon 157:36 PM (2.0 ft)9:24 AM (-0.2 ft)
Tue 169:00 PM (2.0 ft)10:12 AM (-0.2 ft)
Wed 1710:12 PM (1.9 ft)11:06 AM (-0.2 ft)
Thu 1810:54 PM (1.8 ft)12:06 PM (-0.1 ft)
Fri 1911:12 PM (1.7 ft)1:00 PM (0.0 ft)
Sat 2011:06 PM (1.5 ft)2:00 PM (0.3 ft)
Sun 2110:48 PM (1.3 ft)3:12 PM (0.5 ft)
Mon 2210:42 AM (1.2 ft) · 10:42 PM (1.2 ft)5:24 AM (0.9 ft) · 4:42 PM (0.8 ft)
Tue 2312:42 PM (1.3 ft) · 10:30 PM (1.2 ft)5:42 AM (0.6 ft) · 6:18 PM (1.1 ft)
Wed 242:48 PM (1.5 ft)6:12 AM (0.3 ft)
Thu 253:54 PM (1.7 ft)6:48 AM (0.0 ft)
Fri 265:00 PM (1.8 ft)7:30 AM (-0.1 ft)
Sat 276:00 PM (1.8 ft)8:12 AM (-0.3 ft)
Sun 286:54 PM (1.8 ft)8:48 AM (-0.3 ft)
Mon 297:42 PM (1.7 ft)9:30 AM (-0.3 ft)
Tue 308:36 PM (1.7 ft)10:12 AM (-0.2 ft)

December 2027

December 2027 high and low tide times for Port Isabel, TX
DayHigh tidesLow tides
Wed 19:36 PM (1.6 ft)10:54 AM (-0.1 ft)
Thu 210:06 PM (1.5 ft)11:42 AM (-0.0 ft)
Fri 310:12 PM (1.4 ft)12:24 PM (0.1 ft)
Sat 410:06 PM (1.3 ft)1:06 PM (0.3 ft)
Sun 510:00 PM (1.2 ft)1:42 PM (0.5 ft)
Mon 69:24 AM (0.8 ft) · 10:00 PM (1.1 ft)5:06 AM (0.8 ft) · 2:18 PM (0.7 ft)
Tue 711:54 AM (0.9 ft) · 9:48 PM (1.1 ft)4:54 AM (0.6 ft) · 4:12 PM (0.9 ft)
Wed 82:54 PM (1.1 ft)5:18 AM (0.3 ft)
Thu 93:30 PM (1.3 ft)5:42 AM (0.1 ft)
Fri 104:12 PM (1.5 ft)6:18 AM (-0.1 ft)
Sat 115:00 PM (1.6 ft)7:00 AM (-0.3 ft)
Sun 126:00 PM (1.7 ft)7:42 AM (-0.5 ft)
Mon 136:54 PM (1.7 ft)8:30 AM (-0.6 ft)
Tue 147:42 PM (1.7 ft)9:18 AM (-0.7 ft)
Wed 158:36 PM (1.6 ft)10:06 AM (-0.7 ft)
Thu 169:18 PM (1.5 ft)11:00 AM (-0.6 ft)
Fri 179:24 PM (1.3 ft)12:00 PM (-0.4 ft)
Sat 189:06 PM (1.1 ft)12:48 PM (-0.1 ft)
Sun 196:30 AM (0.9 ft) · 8:54 PM (1.0 ft)3:06 AM (0.8 ft) · 1:42 PM (0.3 ft)
Mon 209:42 AM (0.8 ft) · 8:42 PM (0.9 ft)3:42 AM (0.5 ft) · 2:48 PM (0.6 ft)
Tue 2112:18 PM (1.0 ft) · 7:36 PM (0.9 ft)4:18 AM (0.2 ft) · 5:00 PM (0.9 ft)
Wed 222:48 PM (1.2 ft)5:00 AM (-0.1 ft)
Thu 233:42 PM (1.4 ft)5:42 AM (-0.3 ft)
Fri 244:30 PM (1.5 ft)6:30 AM (-0.5 ft)
Sat 255:24 PM (1.5 ft)7:18 AM (-0.6 ft)
Sun 266:18 PM (1.5 ft)8:00 AM (-0.6 ft)
Mon 276:54 PM (1.4 ft)8:42 AM (-0.6 ft)
Tue 287:30 PM (1.3 ft)9:18 AM (-0.5 ft)
Wed 298:00 PM (1.2 ft)10:00 AM (-0.4 ft)
Thu 308:06 PM (1.1 ft)10:36 AM (-0.3 ft)
Fri 317:42 PM (1.0 ft)11:18 AM (-0.2 ft)

NOAA CO-OPS harmonic predictions for station 8779770, datum MLLW, station local time (daylight saving observed where applicable). Predictions are for planning, not navigation.

Also available: Port Isabel, TX tide table 2026. Live chart and 7-day table: Port Isabel, TX tides.