Hazardous Weather Conditions

For More Weather Information:

Anchorage, AK Local Forecast Office

20NM SSE Shumagin Islands AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSE wind 15 to 20 kt. Rain likely, mainly after 3am.   Seas 8 to 9 ft.

      Low: 44 °F

      SSE 20kt
      8-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:SSE wind 20 to 25 kt. Rain likely.   Seas 8 to 9 ft.

      High: 45 °F

      SSE 25kt
      8-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:SSE wind 15 to 20 kt. Rain likely, mainly before 3am.   Seas 7 to 8 ft.

      Low: 43 °F

      SSE 20kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:SE wind 15 to 20 kt becoming E in the afternoon. Scattered showers.   Seas 5 to 7 ft.

      High: 44 °F

      E 20kt
      5-7ft

    • Thursday Night

      Thursday Night:NE wind 20 to 25 kt. Rain likely, mainly before midnight.   Seas 3 to 5 ft.

      Low: 42 °F

      NE 25kt
      3-5ft

    • Friday

      Friday:NNE wind 10 to 15 kt becoming WNW in the afternoon. Scattered showers.   Seas around 3 ft.

      High: 43 °F

      NNE 15kt
      3ft

    • Friday Night

      Friday Night:NW wind 15 to 20 kt. Scattered rain showers, mixing with snow after 9pm, then gradually ending.   Seas around 3 ft.

      Low: 33 °F

      NW 20kt
      3ft

    • Saturday

      Saturday:NW wind 25 to 30 kt increasing to 35 to 40 kt in the morning. A chance of rain and snow between 9am and 3pm, then a chance of snow after 3pm.   Seas 5 to 6 ft.

      High: 39 °F

      ⇑NW 40kt
      5-6ft

    • Saturday Night

      Saturday Night:NW wind 30 to 35 kt decreasing to 20 to 25 kt after midnight. A chance of snow.   Seas 4 to 6 ft.

      Low: 22 °F

      NW 35kt⇓
      4-6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:31 pm AKST Dec 2, 2025
Forecast Valid: 9pm AKST Dec 2, 2025-6pm AKST Dec 9, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

Synopsis: A 970 mb low roughly 110 nm NW of Unalaska tracks immediately west of Nikolski and into the N Pacific early Wed morning, moving to 110 nm S of Unalaska at 985 mb by late Wednesday morning. The low moves to 200 nm SE of Unalaska at 1004 mb Thu afternoon. Further west a front moves over Shemya Thu afternoon.

Tonight
SSE wind 15 to 20 kt. Rain likely, mainly after 3am. Seas 8 to 9 ft.
Wednesday
SSE wind 20 to 25 kt. Rain likely. Seas 8 to 9 ft.
Wednesday Night
SSE wind 15 to 20 kt. Rain likely, mainly before 3am. Seas 7 to 8 ft.
Thursday
SE wind 15 to 20 kt becoming E in the afternoon. Scattered showers. Seas 5 to 7 ft.
Thursday Night
NE wind 20 to 25 kt. Rain likely, mainly before midnight. Seas 3 to 5 ft.
Friday
NNE wind 10 to 15 kt becoming WNW in the afternoon. Scattered showers. Seas around 3 ft.
Friday Night
NW wind 15 to 20 kt. Scattered rain showers, mixing with snow after 9pm, then gradually ending. Seas around 3 ft.
Saturday
NW wind 25 to 30 kt increasing to 35 to 40 kt in the morning. A chance of rain and snow between 9am and 3pm, then a chance of snow after 3pm. Seas 5 to 6 ft.
Saturday Night
NW wind 30 to 35 kt decreasing to 20 to 25 kt after midnight. A chance of snow. Seas 4 to 6 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: 7:31 pm AKST Dec 2, 2025
Forecast Valid: 9pm AKST Dec 2, 2025-6pm AKST Dec 9, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data