Hazardous Weather Conditions

For More Weather Information:

Anchorage, AK Local Forecast Office

20NM SSE Shumagin Islands AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds less than 5 kt becoming ENE 5 to 10 kt after midnight. Isolated showers after 3am.   Seas 2 to 4 ft.

      Low: 42 °F

      ⇑ENE 10kt
      2-4ft

    • Thursday

      Thursday:E wind 15 to 20 kt increasing to 25 to 30 kt in the afternoon. Showers, mainly after 9am.   Seas 4 to 6 ft.

      High: 46 °F

      ⇑E 30kt
      4-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:SE wind 15 to 25 kt becoming W 30 to 40 kt. Rain likely, mainly before 3am.   Seas 7 ft building to 10 ft.

      Low: 41 °F

      ⇑W 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 9am.   Seas around 9 ft.

      High: 45 °F

      WSW 35kt
      9ft

    • Friday Night

      Friday Night:W wind 20 to 30 kt becoming NW after midnight. Winds could gust as high as 35 kt. Showers likely before midnight.   Seas 8 to 9 ft.

      Low: 39 °F

      W 30kt
      8-9ft

    • Saturday

      Saturday:NW wind 20 to 25 kt becoming W 15 to 20 kt in the afternoon. Scattered showers between 9am and noon, then a chance of rain after noon.   Seas 8 ft subsiding to 5 ft.

      High: 45 °F

      NW 25kt⇓
      8ftWaves Subsiding

    • Saturday Night

      Saturday Night:SW wind 10 to 20 kt becoming SSE after midnight. A chance of rain before midnight, then scattered showers between midnight and 3am, then rain likely after 3am.   Seas 4 to 5 ft.

      Low: 42 °F

      SSE 20kt
      4-5ft

    • Sunday

      Sunday:SSE wind 20 to 25 kt becoming SW in the afternoon. Rain likely.   Seas 4 ft building to 7 ft.

      High: 46 °F

      SW 25kt
      Waves Building7ft

    • Sunday Night

      Sunday Night:SSW wind 20 to 25 kt. A chance of rain.   Seas 7 ft building to 11 ft.

      Low: 41 °F

      SSW 25kt
      Waves Building11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:18 pm AKST Nov 12, 2025
Forecast Valid: 8pm AKST Nov 12, 2025-6pm AKST Nov 19, 2025

View Nearby Observations

Detailed Forecast

...GALE WARNING THURSDAY NIGHT...

Synopsis: A pair of 993 mb North Pacific lows move 45 nm NW of Adak at 986 mb and 120 nm S of Nikolski Thu morning and then merge 60 nm E of Saint George at 973 mb Fri morning.

Tonight
Variable winds less than 5 kt becoming ENE 5 to 10 kt after midnight. Isolated showers after 3am. Seas 2 to 4 ft.
Thursday
E wind 15 to 20 kt increasing to 25 to 30 kt in the afternoon. Showers, mainly after 9am. Seas 4 to 6 ft.
Thursday Night
SE wind 15 to 25 kt becoming W 30 to 40 kt. Rain likely, mainly before 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 9am. Seas around 9 ft.
Friday Night
W wind 20 to 30 kt becoming NW after midnight. Winds could gust as high as 35 kt. Showers likely before midnight. Seas 8 to 9 ft.
Saturday
NW wind 20 to 25 kt becoming W 15 to 20 kt in the afternoon. Scattered showers between 9am and noon, then a chance of rain after noon. Seas 8 ft subsiding to 5 ft.
Saturday Night
SW wind 10 to 20 kt becoming SSE after midnight. A chance of rain before midnight, then scattered showers between midnight and 3am, then rain likely after 3am. Seas 4 to 5 ft.
Sunday
SSE wind 20 to 25 kt becoming SW in the afternoon. Rain likely. Seas 4 ft building to 7 ft.
Sunday Night
SSW wind 20 to 25 kt. A chance of rain. Seas 7 ft building to 11 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 54.83°N 159.6°W
Last Update: 8:18 pm AKST Nov 12, 2025
Forecast Valid: 8pm AKST Nov 12, 2025-6pm AKST Nov 19, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data