Alaska
Gravina River
Alaska · NOAA station 9454153 · Tide predictions
60.7667, -146.0846
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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
West Orca Bay buoy · 28 mi SW · Station 46060
Wind & wave reports →
Last light, longer plans
Daylight calendar for Cordova → Alaska Daylight · Northern lights forecast for Cordova → Alaska Aurora Forecast
Nearby tide stations
- Comfort Cove, Port Gravina · 3.9 mi S
- Sheep Bay · 7.3 mi SE
- Landlocked Bay, Port Fidalgo · 16.3 mi W
- CORDOVA · 18.3 mi SE
- Shag Rock · 21.1 mi S
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 14.7 ft — Fri Jan 22 · 12:45 PM
Lowest predicted low tide: -3.3 ft — Mon Jul 5 · 9:02 AM
Biggest single-day swing: 17.5 ft on Fri Jan 22
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Mon Jul 5 | 9:02 AM | -3.3 ft |
| Sun Jun 6 | 9:15 AM | -3.2 ft |
| Sun Jul 4 | 8:15 AM | -3.1 ft |
| Sat Jun 5 | 8:28 AM | -3.0 ft |
| Tue Jul 6 | 9:48 AM | -3.0 ft |
| Mon Jun 7 | 10:04 AM | -2.9 ft |
| Tue Aug 3 | 8:43 AM | -2.8 ft |
| Mon Aug 2 | 7:59 AM | -2.8 ft |
| Sat May 8 | 9:26 AM | -2.6 ft |
| Sat Jul 3 | 7:27 AM | -2.6 ft |
175 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
Gravina River 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.