Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SSW wind 45 to 50 kt, with gusts as high as 60 kt. Showers.   Seas around 19 ft.

      Low: 38 °F

      SSW 50kt
      19ft

      Storm Warning
      Storm Warning

    • Sunday

      Sunday:SW wind 45 to 55 kt, with gusts as high as 65 kt. Rain and snow showers.   Seas 17 to 19 ft.

      High: 39 °F

      SW 55kt
      17-19ft

      Storm Warning
      Storm Warning

    • Sunday Night

      Sunday Night:WSW wind around 40 kt, with gusts as high as 50 kt. Rain and snow showers.   Seas 17 to 19 ft.

      Low: 37 °F

      WSW 40kt
      17-19ft

      Gale Warning
      Gale Warning

    • Monday

      Monday:WSW wind 35 to 40 kt, with gusts as high as 50 kt. Rain and snow showers.   Seas 16 to 17 ft.

      High: 39 °F

      WSW 40kt
      16-17ft

    • Monday Night

      Monday Night:WSW wind around 35 kt, with gusts as high as 45 kt. Rain and snow showers.   Seas around 17 ft.

      Low: 37 °F

      WSW 35kt
      17ft

    • Tuesday

      Tuesday:W wind 30 to 35 kt, with gusts as high as 45 kt. Rain and snow showers likely, mainly before 1pm.   Seas 13 to 15 ft.

      High: 39 °F

      W 35kt
      13-15ft

    • Tuesday Night

      Tuesday Night:SW wind 15 to 25 kt, with gusts as high as 35 kt. Scattered rain and snow showers before 10pm, then rain.   Seas 12 ft subsiding to 9 ft.

      Low: 36 °F

      SW 25kt
      12ftWaves Subsiding

    • Wednesday

      Wednesday:S wind around 15 kt becoming NE in the morning. Rain.   Seas 5 to 6 ft.

      High: 40 °F

      S 15kt
      5-6ft

    • Wednesday Night

      Wednesday Night:N wind around 20 kt. Rain likely.   Seas around 5 ft.

      Low: 36 °F

      N 20kt
      5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:20 pm AKDT Apr 25, 2026
Forecast Valid: 12am AKDT Apr 26, 2026-6pm AKDT May 2, 2026

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Detailed Forecast

...STORM WARNING THROUGH SUNDAY...

Synopsis: A 958 mb North Pacific low 100 nm S of Tanaga Island pushes its front into the southern Bering. This low crosses Adak to 110 nm N of Atka at 955 mb by Sun morning then to 150 nm W of St Paul at 961 mb by Sun afternoon quasi-stationary through Mon afternoon.

Overnight
SSW wind 45 to 50 kt, with gusts as high as 60 kt. Showers. Seas around 19 ft.
Sunday
SW wind 45 to 55 kt, with gusts as high as 65 kt. Rain and snow showers. Seas 17 to 19 ft.
Sunday Night
WSW wind around 40 kt, with gusts as high as 50 kt. Rain and snow showers. Seas 17 to 19 ft.
Monday
WSW wind 35 to 40 kt, with gusts as high as 50 kt. Rain and snow showers. Seas 16 to 17 ft.
Monday Night
WSW wind around 35 kt, with gusts as high as 45 kt. Rain and snow showers. Seas around 17 ft.
Tuesday
W wind 30 to 35 kt, with gusts as high as 45 kt. Rain and snow showers likely, mainly before 1pm. Seas 13 to 15 ft.
Tuesday Night
SW wind 15 to 25 kt, with gusts as high as 35 kt. Scattered rain and snow showers before 10pm, then rain. Seas 12 ft subsiding to 9 ft.
Wednesday
S wind around 15 kt becoming NE in the morning. Rain. Seas 5 to 6 ft.
Wednesday Night
N wind around 20 kt. Rain likely. Seas around 5 ft.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 52.89°N 173.1°W
Last Update: 9:20 pm AKDT Apr 25, 2026
Forecast Valid: 12am AKDT Apr 26, 2026-6pm AKDT May 2, 2026
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