Marine forecast
Cape Thompson to Cape Beaufort, AK
- current wind
- 8 kt NNE
- Gusts
- 11 kt
- Air
- 33°F
- Water
- 39°F
- 72-hr peak
- 25 kt
Observed Tue 11:00 AM | PKZ811
- Gusts now
- 11 kt
- Air
- 33°F
- Water
- 39°F
- 72-hr peak
- 25 kt
- Peak seas
- 5 ft
In brief
At 11:00 am AKDT on Oct 13, 2026, NDBC station RDDA2 (Red Dog Dock, AK, 99 miles away) measured wind from the NNE at 8 kt, gusting to 11 kt. The NWS forecast for Cape Thompson to Cape Beaufort, AK issued at 3:45 am AKDT on Oct 13, 2026 reads, for today: “NE winds 25 kt. Seas 6 ft.” A Small Craft Advisory is in effect until Wed 5:00 AM.
Source: National Weather Service Fairbanks AK forecast; NDBC observations
Wind forecast · ktPeak 25 kt
Seas forecast · ftPeak 5 ft
Marine advisory
Small Craft Advisory in effect for Cape Thompson to Cape Beaufort until Wed 5:00 AM.
Full text of this small craft advisory
Arctic Alaska Coastal Waters out 100 NM Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one- third of the combined wind-wave and swell height. .TODAY...NE winds 25 kt. Seas 6 ft. .TONIGHT...NE winds 25 kt. Seas 5 ft. .WED...NE winds 20 kt. Seas 5 ft. Light freezing spray. .WED NIGHT...NE winds 20 kt. Seas 4 ft. Light freezing spray. .THU...NE winds 20 kt. Seas 4 ft. Light freezing spray. .THU NIGHT...NE winds 25 kt. Seas 5 ft. Light freezing spray. .FRI...NE winds 25 kt. Seas 7 ft. .SAT...W winds 15 kt. Seas 3 ft.
Small Craft Advisory in effect for Cape Thompson to Cape Beaufort until Tue 5:00 PM.
Full text of this small craft advisory
Arctic Alaska Coastal Waters out 100 NM Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one- third of the combined wind-wave and swell height. .TONIGHT...NE winds 25 kt. Seas 9 ft. Snow and rain. .TUE...NE winds 25 kt. Seas 6 ft. .TUE NIGHT...NE winds 25 kt. Seas 6 ft. Light freezing spray. .WED...NE winds 20 kt. Seas 5 ft. Light freezing spray. .WED NIGHT...NE winds 20 kt. Seas 4 ft. .THU...NE winds 20 kt. Seas 4 ft. Light freezing spray. .THU NIGHT...NE winds 25 kt. Seas 5 ft. Light freezing spray. .FRI...N winds 25 kt. Seas 6 ft. .SAT...W winds 15 kt. Seas 3 ft.
NWS marine forecast
| Period | Forecast |
|---|---|
| Today | NE winds 25 kt. Seas 6 ft. |
| Tonight | NE winds 25 kt. Seas 5 ft. |
| Wed | NE winds 20 kt. Seas 5 ft. Light freezing spray. |
| Wed Night | NE winds 20 kt. Seas 4 ft. Light freezing spray. |
| Thu | NE winds 20 kt. Seas 4 ft. Light freezing spray. |
| Thu Night | NE winds 25 kt. Seas 5 ft. Light freezing spray. |
| Fri | NE winds 25 kt. Seas 7 ft. |
| Sat | W winds 15 kt. Seas 3 ft. |
Issued Tue 3:45 AM by Fairbanks AK (product CWFNSB).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 11:00 AM | 8 kt NNE | 11 kt | — | 39°F |
| Tue 10:54 AM | 9 kt NNE | 10 kt | — | 40°F |
| Tue 9:54 AM | 8 kt NE | 10 kt | — | 39°F |
| Tue 8:54 AM | 7 kt NNE | 9 kt | — | 38°F |
| Tue 7:54 AM | 7 kt NNE | 8 kt | — | 38°F |
| Tue 6:54 AM | 4 kt NE | 5 kt | — | 38°F |
| Tue 5:54 AM | 4 kt NNE | 6 kt | — | 38°F |
| Tue 4:54 AM | 4 kt NE | 5 kt | — | 38°F |
| Tue 3:54 AM | 5 kt NE | 6 kt | — | 38°F |
| Tue 2:54 AM | 2 kt NE | 4 kt | — | 38°F |
| Tue 1:54 AM | 7 kt NE | 9 kt | — | 38°F |
| Tue 12:54 AM | 3 kt NE | 7 kt | — | 38°F |
Observed Tue 11:00 AM at NDBC buoy RDDA2 (Red Dog Dock, AK), 98.6 miles away.
Frequently asked questions
What is the marine forecast for Cape Thompson to Cape Beaufort today?
Today: NE winds 25 kt. Seas 6 ft.
Is there a small craft advisory for Cape Thompson to Cape Beaufort?
Yes — small craft advisory, small craft advisory in effect until Wed 5:00 AM.
What is the water temperature at Cape Thompson to Cape Beaufort?
The nearest buoy read 39°F (4°C) at Tue 11:00 AM. Sea surface temperature at a single buoy can differ by several degrees from the water at a beach or in a shallow bay nearby.
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 PKZ811, issued by Fairbanks AK, 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 CWFNSB, issued Tue 3:45 AM. Observations: NOAA National Data Buoy Center station RDDA2, read Tue 11:00 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.