Marine forecast
Unalaska Bay, AK
- current wind
- 3 kt SE
- Gusts
- 6 kt
- Air
- 40°F
- 72-hr peak
- 37 kt
Observed Tue 11:12 AM | PKZ771
- Gusts now
- 6 kt
- Air
- 40°F
- 72-hr peak
- 37 kt
In brief
At 11:12 am AKDT on Oct 13, 2026, NDBC station DPXA2 (Dutch Harbor Pilot Station, AK, 2 miles away) measured wind from the SE at 3 kt, gusting to 6 kt. The NWS forecast for Unalaska Bay, AK issued at 3:58 am AKDT on Oct 13, 2026 reads, for today: “Variable wind less than 10 kt. Seas 2 ft.” A Small Craft Advisory is in effect until Wed 5:00 PM.
Source: National Weather Service Anchorage Alaska forecast; NDBC observations
Wind forecast · ktPeak 37 kt
Marine advisory
Small Craft Advisory in effect for Unalaska Bay until Wed 5:00 PM.
Full text of this small craft advisory
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 less than 10 kt. Seas 2 ft. .TONIGHT...NW wind 10 kt increasing to 15 kt after midnight. Seas 3 ft building to 5 ft after midnight. .WED...NW wind 25 kt. Seas 7 ft. .WED NIGHT...NW wind 30 kt. Seas 13 ft. .THU...NW wind 35 kt. Seas 16 ft. .FRI...NW wind 30 kt. Seas 12 ft. .SAT...SW wind 10 kt. Seas 2 ft.
NWS marine forecast
| Period | Forecast |
|---|---|
| Today | Variable wind less than 10 kt. Seas 2 ft. |
| Tonight | NW wind 10 kt increasing to 15 kt after midnight. Seas 3 ft building to 5 ft after midnight. |
| Wed | NW wind 25 kt. Seas 7 ft. |
| Wed Night | NW wind 30 kt. Seas 13 ft. |
| Thu | NW wind 35 kt. Seas 16 ft. |
| Fri | NW wind 30 kt. Seas 12 ft. |
| Sat | SW wind 10 kt. Seas 2 ft. |
Issued Tue 3:58 AM by Anchorage Alaska (product CWFALU).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 11:12 AM | 3 kt SE | 6 kt | — | — |
| Tue 10:52 AM | 2 kt ESE | 4 kt | — | — |
| Tue 9:52 AM | 2 kt S | 4 kt | — | — |
| Tue 8:52 AM | 2 kt SE | 3 kt | — | — |
| Tue 7:52 AM | 2 kt SSW | 4 kt | — | — |
| Tue 6:52 AM | 2 kt WNW | 2 kt | — | — |
| Tue 5:52 AM | 2 kt SSW | 6 kt | — | — |
| Tue 4:52 AM | 5 kt S | 8 kt | — | — |
| Tue 3:52 AM | 6 kt SSW | 12 kt | — | — |
| Tue 2:52 AM | 6 kt S | 12 kt | — | — |
| Tue 1:52 AM | 8 kt S | 16 kt | — | — |
| Tue 12:52 AM | 5 kt SSE | 9 kt | — | — |
Observed Tue 11:12 AM at NDBC buoy DPXA2 (Dutch Harbor Pilot Station, AK), 1.7 miles away.
Frequently asked questions
What is the marine forecast for Unalaska Bay today?
Today: Variable wind less than 10 kt. Seas 2 ft.
Is there a small craft advisory for Unalaska Bay?
Yes — small craft advisory in effect until Wed 5:00 PM.
What do the wind speeds in knots mean?
One knot is 1.15 mph. The National Weather Service issues a small craft advisory for sustained winds of roughly 22–33 knots or hazardous seas, a gale warning at 34–47 knots, and a storm warning at 48 knots and above. Exact advisory thresholds vary by forecast office and by water body — a bay reaches dangerous chop at a lower wind speed than open ocean.
Where does this forecast come from?
The forecast text is the National Weather Service's own marine bulletin for zone PKZ771, issued by Anchorage Alaska, reproduced in full. The wind and seas charts are drawn from the NWS gridded forecast for a point inside the zone. Observations come from the nearest reporting NDBC buoy. We are not affiliated with NOAA or the National Weather Service.
Forecast: NOAA/NWS product CWFALU, issued Tue 3:58 AM. Observations: NOAA National Data Buoy Center station DPXA2, read Tue 11:12 AM. Retrieved Oct 13, 11:42 AM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.