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Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

20NM SSE Shumagin Islands AK

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SSE wind 15 to 25 kt becoming WSW 30 to 40 kt. Winds could gust as high as 45 kt. Rain likely, mainly after 3am. Seas 7 ft building to 10 ft.

      Low: 41 °F

      ⇑WSW 40kt
      Waves Building10ft

      Gale Warning
      Gale Warning

    • Friday

      Friday:WSW wind 30 to 35 kt, with gusts as high as 40 kt. Rain likely, mainly after 3pm. Seas around 9 ft.

      High: 44 °F

      WSW 35kt
      9ft

      Gale Warning
      Gale Warning

    • Friday Night

      Friday Night:WNW wind 15 to 20 kt becoming NW 25 to 30 kt after midnight. Showers likely, mainly before midnight. Seas around 8 ft.

      Low: 38 °F

      ⇑NW 30kt
      8ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:NW wind 20 to 25 kt becoming WSW 15 to 20 kt in the afternoon. A chance of rain between noon and 3pm. Seas 8 ft subsiding to 5 ft.

      High: 46 °F

      NW 25kt⇓
      8ftWaves Subsiding

    • Saturday Night

      Saturday Night:SSW wind 10 to 15 kt becoming SE 20 to 25 kt after midnight. Rain likely after 3am. Seas around 4 ft.

      Low: 42 °F

      ⇑SE 25kt
      4ft

    • Sunday

      Sunday:SE wind 40 to 45 kt becoming SSW 30 to 35 kt. Winds could gust as high as 55 kt. Rain, mainly before 3pm. Seas 5 ft building to 10 ft.

      High: 46 °F

      SE 45kt⇓
      Waves Building10ft

    • Sunday Night

      Sunday Night:SW wind 20 to 25 kt, with gusts as high as 30 kt. Showers likely. Seas 10 to 11 ft.

      Low: 41 °F

      SW 25kt
      10-11ft

    • Monday

      Monday:SW wind around 20 kt, with gusts as high as 25 kt. Rain likely. Seas 10 ft subsiding to 7 ft.

      High: 45 °F

      SW 20kt
      10ftWaves Subsiding

    • Monday Night

      Monday Night:SW wind 20 to 25 kt. Rain likely. Seas 6 to 7 ft.

      Low: 41 °F

      SW 25kt
      6-7ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:39 pm AKST Nov 13, 2025
Forecast Valid: 10pm AKST Nov 13, 2025-6pm AKST Nov 20, 2025

View Nearby Observations

Detailed Forecast

...GALE WARNING THROUGH FRIDAY...

Synopsis: A 985 mb low 185 nm N of Atka and a 987 mb low 100 nm S of False Pass in the western Gulf of Alaska at 988 mb Sat morning. The front of a 978 mb low 215 nm SW of Shemya enters the western Bering Fri afternoon. By Sat morning the low lifts to 55 nm N of Shemya at 974 mb.

Tonight
SSE wind 15 to 25 kt becoming WSW 30 to 40 kt. Winds could gust as high as 45 kt. Rain likely, mainly after 3am. Seas 7 ft building to 10 ft.
Friday
WSW wind 30 to 35 kt, with gusts as high as 40 kt. Rain likely, mainly after 3pm. Seas around 9 ft.
Friday Night
WNW wind 15 to 20 kt becoming NW 25 to 30 kt after midnight. Showers likely, mainly before midnight. Seas around 8 ft.
Saturday
NW wind 20 to 25 kt becoming WSW 15 to 20 kt in the afternoon. A chance of rain between noon and 3pm. Seas 8 ft subsiding to 5 ft.
Saturday Night
SSW wind 10 to 15 kt becoming SE 20 to 25 kt after midnight. Rain likely after 3am. Seas around 4 ft.
Sunday
SE wind 40 to 45 kt becoming SSW 30 to 35 kt. Winds could gust as high as 55 kt. Rain, mainly before 3pm. Seas 5 ft building to 10 ft.
Sunday Night
SW wind 20 to 25 kt, with gusts as high as 30 kt. Showers likely. Seas 10 to 11 ft.
Monday
SW wind around 20 kt, with gusts as high as 25 kt. Rain likely. Seas 10 ft subsiding to 7 ft.
Monday Night
SW wind 20 to 25 kt. Rain likely. Seas 6 to 7 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: 54.83°N 159.6°W
Last Update: 8:39 pm AKST Nov 13, 2025
Forecast Valid: 10pm AKST Nov 13, 2025-6pm AKST Nov 20, 2025
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