Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

20NM SSE Shumagin Islands AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ESE wind around 15 kt. Rain likely, mainly between 9pm and 3am.  Areas of fog after 9pm.  Seas 6 to 7 ft.

      Low: 44 °F

      ESE 15kt
      6-7ft

    • Sunday

      Sunday:ESE wind 10 to 15 kt. Rain likely, mainly before 9am.  Areas of fog before noon.  Seas 4 to 5 ft.

      High: 45 °F

      ESE 15kt
      4-5ft

    • Sunday Night

      Sunday Night:SE wind 10 to 20 kt becoming SW after midnight. Showers likely, mainly before 9pm.   Seas 4 to 6 ft.

      Low: 44 °F

      SW 20kt
      4-6ft

    • Monday

      Monday:SSW wind 15 to 20 kt becoming SE in the afternoon. Showers likely, mainly between 9am and 3pm.   Seas 5 to 6 ft.

      High: 45 °F

      SE 20kt
      5-6ft

    • Monday Night

      Monday Night:ESE wind 25 to 30 kt becoming SSE after midnight. Rain, mainly before 3am, then a chance of showers after 3am.   Seas 6 ft building to 9 ft.

      Low: 45 °F

      ESE 30kt
      Waves Building9ft

    • Tuesday

      Tuesday:S wind 20 to 25 kt, with gusts as high as 45 kt. A chance of rain.   Seas 9 to 11 ft.

      High: 46 °F

      S 25kt
      9-11ft

    • Tuesday Night

      Tuesday Night:S wind around 20 kt, with gusts as high as 30 kt. A chance of rain.   Seas 9 to 11 ft.

      Low: 42 °F

      S 20kt
      9-11ft

    • Wednesday

      Wednesday:S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of rain.   Seas 7 to 9 ft.

      High: 45 °F

      S 20kt
      7-9ft

    • Wednesday Night

      Wednesday Night:SSW wind 10 to 15 kt. A chance of rain.   Seas 5 to 7 ft.

      Low: 40 °F

      SSW 15kt
      5-7ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:12 pm AKST Nov 29, 2025
Forecast Valid: 8pm AKST Nov 29, 2025-6pm AKST Dec 6, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

Synopsis: A large 965 mb low 360 nm SE of Atka moves to 155 SE of Atka at 980 mb and becomes elongated by Sun afternoon. The low continues to 250 nm S of Unalaska and becomes a complex of centers with the strongest near 965 mb by Mon afternoon. Multiple fronts move into the Bering through Mon afternoon.

Tonight
ESE wind around 15 kt. Rain likely, mainly between 9pm and 3am. Areas of fog after 9pm. Seas 6 to 7 ft.
Sunday
ESE wind 10 to 15 kt. Rain likely, mainly before 9am. Areas of fog before noon. Seas 4 to 5 ft.
Sunday Night
SE wind 10 to 20 kt becoming SW after midnight. Showers likely, mainly before 9pm. Seas 4 to 6 ft.
Monday
SSW wind 15 to 20 kt becoming SE in the afternoon. Showers likely, mainly between 9am and 3pm. Seas 5 to 6 ft.
Monday Night
ESE wind 25 to 30 kt becoming SSE after midnight. Rain, mainly before 3am, then a chance of showers after 3am. Seas 6 ft building to 9 ft.
Tuesday
S wind 20 to 25 kt, with gusts as high as 45 kt. A chance of rain. Seas 9 to 11 ft.
Tuesday Night
S wind around 20 kt, with gusts as high as 30 kt. A chance of rain. Seas 9 to 11 ft.
Wednesday
S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of rain. Seas 7 to 9 ft.
Wednesday Night
SSW wind 10 to 15 kt. A chance of rain. Seas 5 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: 3:12 pm AKST Nov 29, 2025
Forecast Valid: 8pm AKST Nov 29, 2025-6pm AKST Dec 6, 2025
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