Alaska
Port William
Shuyak Island · Alaska · NOAA station 9457313 · Tide predictions
58.4902, -152.5838
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48-hour outlook
Drag across the curve to inspect any time. Weather icons show the forecast at each high tide.
Drawn from the high/low predictions — NOAA publishes high/low only for this station.
The next seven days
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H = high tide · L = low tide · highs & lows in local time
On the water nearby
Shelikof Strait buoy · 73 mi SW · Station 46077
Wind & wave reports →
Last light, longer plans
Daylight calendar for Kodiak → Alaska Daylight · Northern lights forecast for Kodiak → Alaska Aurora Forecast
Nearby tide stations
- Redfox Bay, Shuyak Strait · 2.6 mi S
- Big Bay, Shuyak Island · 4.6 mi N
- Andreon Bay, Shuyak Island · 6.4 mi E
- Carry Inlet, Shuyak Island · 7.1 mi N
- Perenosa Bay · 10.5 mi SE
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 17.2 ft — Sat Jan 23 · 2:57 PM
Lowest predicted low tide: -4.1 ft — Mon Jul 5 · 10:24 AM
Biggest single-day swing: 20.7 ft on Sat Jan 23
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Mon Jul 5 | 10:24 AM | -4.1 ft |
| Sun Jun 6 | 10:34 AM | -3.9 ft |
| Sun Jul 4 | 9:38 AM | -3.8 ft |
| Tue Jul 6 | 11:09 AM | -3.8 ft |
| Sat Jun 5 | 9:48 AM | -3.7 ft |
| Tue Aug 3 | 10:07 AM | -3.7 ft |
| Mon Jun 7 | 11:21 AM | -3.6 ft |
| Mon Aug 2 | 9:24 AM | -3.5 ft |
| Sat May 8 | 10:42 AM | -3.4 ft |
| Wed Aug 4 | 10:48 AM | -3.3 ft |
196 minus tides (below 0 ft) are predicted here in 2027. The table shows up to the 10 lowest that fall between 7 AM and 7 PM — the ones worth planning a clam dig or tidepool walk around.
About this station
Port William, Shuyak Island is one of NOAA's reference tide stations — its predictions are computed directly from harmonic analysis of water levels observed here, and other nearby stations are calculated from it.
Alaska holds the country's most extreme tides: Inside Passage channels, Cook Inlet swings past 30 ft, and Arctic stations where the tide is measured in inches and wind setup runs the show.