Cape seniavin
NDBC buoy cpsa2
Observed , 26 minutes ago
Hazardous
Gale Warning in effect. Light NNE winds at 10 kn gusting to 14 kn, building. Air 47°F. Tonight: SE Wind 25 Kt Increasing To 35 Kt After Midnight.
It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.
Get Buoycast for iPhoneGale Warning
Gale Warning issued September 23 at 4:27AM AKDT until September 24 at 5:00PM AKDT by NWS Anchorage AK
Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TODAY...Variable wind 10 kt becoming E 15 kt in the afternoon. Seas 3 ft. .TONIGHT...SE wind 25 kt increasing to 35 kt after midnight. Seas 4 ft. .THU...SE wind 40 kt becoming S 30 kt in the afternoon. Seas 5 ft. Rain. .THU NIGHT...S wind 30 kt. Seas 6 ft. .FRI THROUGH SAT...SW wind 30 kt. Seas 11 ft. .SUN...W wind 25 kt. Seas 7 ft.
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Get Buoycast for iPhoneWind
Speed
9.9kn
Gust
14kn
Direction
20° NNE
Trend
Rising
Last 12 hours2.9 to 9.9 kn
Air temp
47°F
Last 11 hours37 to 47°F
Pressure
1012mbar
Tendency
Easing
3 hour change
-1.6 mbar
Last 11 hours1012 to 1015 mbar
Zone forecast
Tonight
SE Wind 25 Kt Increasing To 35 Kt After Midnight. Seas 4 Ft. Rain.
Thu
SE Wind 40 Kt Becoming SW 30 Kt In The Afternoon. Seas 6 Ft. Rain.
Thu Night
SE Wind 30 Kt. Seas 6 Ft. Rain Showers.
Synopsis
248 PM AKDT Wed Sep 23 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
NWS zone Port Heiden to Nelson Lagoon out to 15 NM
Last 24 hours
Every 3 hours, over the last 12 hours. Pressure 1,012 to 1,015 mbar over the same window.
1 station within 30 NM
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Get Buoycast for iPhoneCommon questions
How often does buoy cpsa2 report?
Wind, temperature and pressure update about every 10 minutes.
Can I be notified when conditions change at buoy cpsa2?
Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this buoy crosses them.
Does this page show NOAA warnings for this area?
Watches, warnings, and advisories for Port Heiden to Nelson Lagoon out to 15 NM appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Can I see the forecast against what buoy cpsa2 measured?
This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.
Can I keep buoy cpsa2 for next time?
Save it as a favorite and Buoycast opens on the buoys you run.
What this buoy measures
This buoy is not reporting waves or water temperature. Conditions above come from the sensors it does carry, and the forecast, tides and sun times on this page are regional rather than measured at the buoy.
Station cpsa2
56°23'49" N 160°08'31" W · owned and maintained by Marine Exchange of Alaska
Measured on the water by 1,000+ NOAA buoys. Observations from the National Data Buoy Center, forecasts and advisories from the National Weather Service. Not for navigation.