Alaska
Petersburg tides
Tide charts & times for Petersburg, Alaska · read from NOAA station Petersburg (#9451439)
Alaska · NOAA station 9451439 · Tide predictions
56.8150, -132.9570
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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
Cape Edgecumbe buoy · 118 mi W · Station 46084
Wind & wave reports →
Last light, longer plans
Daylight calendar for Petersburg → Alaska Daylight · Northern lights forecast for Petersburg → Alaska Aurora Forecast
Nearby tide stations
- Turn Point · 1.4 mi SW
- Papke's Landing · 9.6 mi S
- Anchor Point · 12.3 mi S
- Castle Islands, Duncan Canal · 14.0 mi SW
- Thomas Bay · 14.1 mi NE
Plan ahead
2027 tide extremes for this station
Highest predicted high tide: 19.8 ft — Sat Jan 23 · 1:31 PM
Lowest predicted low tide: -4.2 ft — Mon Jul 5 · 9:01 AM
Biggest single-day swing: 23.6 ft on Sat Jan 23
Best daytime minus tides of 2027
| Date | Low tide | Height |
|---|---|---|
| Mon Jul 5 | 9:01 AM | -4.2 ft |
| Tue Aug 3 | 8:41 AM | -4.0 ft |
| Tue Jul 6 | 9:45 AM | -4.0 ft |
| Sun Jul 4 | 8:15 AM | -3.9 ft |
| Sun Jun 6 | 9:14 AM | -3.8 ft |
| Mon Aug 2 | 7:59 AM | -3.8 ft |
| Wed Aug 4 | 9:22 AM | -3.6 ft |
| Sat Jun 5 | 8:28 AM | -3.6 ft |
| Mon Jun 7 | 10:01 AM | -3.5 ft |
| Thu Jan 21 | 6:39 PM | -3.2 ft |
199 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
NOAA builds the predictions for Petersburg from the Ketchikan station: high tides about 1.04× the height, 28 min later; low tides about 0.97× the height, 37 min later.
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.