Explore / Station 8779749
SPI Brazos Santiago, TX
26.0675°N · 97.1548°W
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The sky here
Computing…
Datums
| Datum | ft |
|---|---|
| STND | 0 |
| MHHW | 25.71 |
| MHW | 25.65 |
| DTL | 24.98 |
| MTL | 25.03 |
| MSL | 25.11 |
| MLW | 24.41 |
| MLLW | 24.24 |
| GT | 1.47 |
| MN | 1.24 |
| DHQ | 0.07 |
| DLQ | 0.17 |
| NAVD88 | 25.47 |
Wind forecast
Reading the forecast…
Tide times for SPI Brazos Santiago, TX
Today, Wednesday, July 8, in SPI Brazos Santiago, TX, high tide is at 1:21 AM (0.9 ft) and 7:44 AM (0.9 ft), and low tide is at 3:33 AM (0.9 ft) and 4:24 PM (-0.2 ft) (CDT). Sunrise is at 6:44 AM and sunset is at 8:25 PM CDT. Heights are in feet above MLLW, the chart datum.
The moon is a last quarter today, 46% illuminated.
7-day tide table (CDT)
| Day | High tides | Low tides | Sunrise | Sunset |
|---|---|---|---|---|
| Today, Wed, Jul 8 | 1:21 AM (0.9 ft) 7:44 AM (0.9 ft) | 3:33 AM (0.9 ft) 4:24 PM (-0.2 ft) | 6:44 AM | 8:25 PM |
| Thu, Jul 9 | 3:14 AM (1.1 ft) | 5:09 PM (-0.5 ft) | 6:44 AM | 8:25 PM |
| Fri, Jul 10 | 4:13 AM (1.4 ft) | 6:01 PM (-0.8 ft) | 6:44 AM | 8:25 PM |
| Sat, Jul 11 | 5:08 AM (1.5 ft) | 6:56 PM (-1.0 ft) | 6:45 AM | 8:25 PM |
| Sun, Jul 12 | 6:03 AM (1.6 ft) | 7:52 PM (-1.1 ft) | 6:45 AM | 8:24 PM |
| Mon, Jul 13 | 6:58 AM (1.6 ft) | 8:48 PM (-1.1 ft) | 6:46 AM | 8:24 PM |
| Tue, Jul 14 | 7:50 AM (1.5 ft) | 9:44 PM (-1.0 ft) | 6:46 AM | 8:24 PM |
NOAA harmonic predictions for station 8779749, datum MLLW, station local time. Updated daily. Predictions are for planning, not navigation.
SPI Brazos Santiago, TX tide questions
- What time is high tide in SPI Brazos Santiago, TX today?
- High tide in SPI Brazos Santiago, TX today (Wednesday, July 8) is at 1:21 AM (0.9 ft) and 7:44 AM (0.9 ft), local station time (CDT). Heights are measured in feet above MLLW.
- What time is low tide in SPI Brazos Santiago, TX today?
- Low tide in SPI Brazos Santiago, TX today (Wednesday, July 8) is at 3:33 AM (0.9 ft) and 4:24 PM (-0.2 ft), local station time (CDT).
- How big are the tides in SPI Brazos Santiago, TX this week?
- Over the next seven days the water at SPI Brazos Santiago, TX spans 2.7 ft — from a low of -1.1 ft at 7:52 PM on Sun, Jul 12 to a high of 1.6 ft at 6:58 AM on Mon, Jul 13.
- When is the next minus tide at SPI Brazos Santiago, TX?
- The next minus tide at SPI Brazos Santiago, TX is -0.2 ft at 4:24 PM on Wed, Jul 8. Minus tides drop below the MLLW zero line and expose the most shoreline — the best windows for tidepooling, clamming, and beachcombing.
- How accurate are tide predictions for SPI Brazos Santiago, TX?
- Predictions come from NOAA harmonic analysis of long-term water level records at this station, which is why tide tables can be published years in advance. Astronomical timing is very reliable, but actual water level can run higher or lower with sustained wind, barometric pressure, and river flow — Perigee overlays live observed water levels on the chart above so you can see today's difference.
About station 8779749
SPI Brazos Santiago, TX is NOAA tide station 8779749, at 26.0675°N, 97.1548°W, in service since 2016. Perigee charts its tide predictions and six-minute water level observations live from NOAA CO-OPS, alongside wind, temperature, and the sun and moon over this spot. The mean tidal range here is 1.2 ft (great diurnal range 1.5 ft). Tides here are diurnal — a single high and a single low most days. Everything on this page is also available from the free Perigee API and MCP server. Browse every gauge on this coast on the Texas tide charts page, or read how tide predictions work.
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