Explore / Station 9451054
Port Alexander, AK
56.2467°N · 134.6470°W
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Datums
| Datum | ft |
|---|---|
| STND | 0 |
| MHHW | 14.69 |
| MHW | 13.84 |
| DTL | 9.23 |
| MTL | 9.52 |
| MSL | 9.49 |
| MLW | 5.2 |
| MLLW | 3.76 |
| GT | 10.94 |
| MN | 8.64 |
| DHQ | 0.85 |
| DLQ | 1.44 |
| HWI | 9.6 |
| LWI | 3.33 |
| NAVD88 | 4.94 |
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Reading the forecast…
Tide times for Port Alexander, AK
Today, Wednesday, July 8, in Port Alexander, AK, high tide is at 7:32 AM (7.1 ft) and 7:49 PM (10.3 ft), and low tide is at 1:37 AM (1.8 ft) and 1:07 PM (2.6 ft) (AKST). Sunrise is at 4:23 AM and sunset is at 9:45 PM AKST. Heights are in feet above MLLW, the chart datum.
The moon is a last quarter today, 46% illuminated.
7-day tide table (AKST)
| Day | High tides | Low tides | Sunrise | Sunset |
|---|---|---|---|---|
| Today, Wed, Jul 8 | 7:32 AM (7.1 ft) 7:49 PM (10.3 ft) | 1:37 AM (1.8 ft) 1:07 PM (2.6 ft) | 4:23 AM | 9:45 PM |
| Thu, Jul 9 | 9:01 AM (6.9 ft) 8:47 PM (10.7 ft) | 2:49 AM (1.0 ft) 2:11 PM (3.4 ft) | 4:24 AM | 9:44 PM |
| Fri, Jul 10 | 10:28 AM (7.2 ft) 9:50 PM (11.2 ft) | 3:58 AM (0.1 ft) 3:26 PM (3.9 ft) | 4:26 AM | 9:43 PM |
| Sat, Jul 11 | 11:40 AM (7.9 ft) 10:52 PM (11.8 ft) | 5:02 AM (-0.9 ft) 4:39 PM (4.0 ft) | 4:27 AM | 9:42 PM |
| Sun, Jul 12 | 12:38 PM (8.6 ft) 11:51 PM (12.4 ft) | 5:59 AM (-1.8 ft) 5:45 PM (3.6 ft) | 4:28 AM | 9:41 PM |
| Mon, Jul 13 | 1:28 PM (9.4 ft) | 6:51 AM (-2.6 ft) 6:43 PM (3.1 ft) | 4:30 AM | 9:40 PM |
| Tue, Jul 14 | 12:46 AM (12.8 ft) 2:13 PM (9.9 ft) | 7:39 AM (-3.1 ft) 7:37 PM (2.5 ft) | 4:31 AM | 9:39 PM |
NOAA harmonic predictions for station 9451054, datum MLLW, station local time. Updated daily. Predictions are for planning, not navigation.
Port Alexander, AK tide questions
- What time is high tide in Port Alexander, AK today?
- High tide in Port Alexander, AK today (Wednesday, July 8) is at 7:32 AM (7.1 ft) and 7:49 PM (10.3 ft), local station time (AKST). Heights are measured in feet above MLLW.
- What time is low tide in Port Alexander, AK today?
- Low tide in Port Alexander, AK today (Wednesday, July 8) is at 1:37 AM (1.8 ft) and 1:07 PM (2.6 ft), local station time (AKST).
- How big are the tides in Port Alexander, AK this week?
- Over the next seven days the water at Port Alexander, AK spans 15.8 ft — from a low of -3.1 ft at 7:39 AM on Tue, Jul 14 to a high of 12.8 ft at 12:46 AM on Tue, Jul 14.
- When is the next minus tide at Port Alexander, AK?
- The next minus tide at Port Alexander, AK is -0.9 ft at 5:02 AM on Sat, Jul 11. 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 Port Alexander, AK?
- 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 9451054
Port Alexander, AK is NOAA tide station 9451054, at 56.2467°N, 134.6470°W, in service since 1924. 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 8.6 ft (great diurnal range 10.9 ft). Tides here are mixed — the two daily highs (and the two lows) differ noticeably in height. Everything on this page is also available from the free Perigee API and MCP server. Browse every gauge on this coast on the Alaska tide charts page, or read how tide predictions work.
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