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Anchorage, AK Local Forecast Office

20NM SSE Shumagin Islands AK

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:SSW wind 15 to 20 kt. Rain likely, mainly before 10am.   Seas around 3 ft.

      High: 51 °F

      SSW 20kt
      3ft

    • Thursday Night

      Thursday Night:WSW wind around 15 kt. A slight chance of showers after 10pm.   Seas around 3 ft.

      Low: 49 °F

      WSW 15kt
      3ft

    • Friday

      Friday:WSW wind 10 to 15 kt. A chance of showers.   Seas 2 to 3 ft.

      High: 50 °F

      WSW 15kt
      2-3ft

    • Friday Night

      Friday Night:NW wind 5 to 15 kt becoming N in the evening. A chance of showers.   Seas around 2 ft.

      Low: 46 °F

      N 15kt
      2ft

    • Saturday

      Saturday:NW wind 15 to 20 kt. A chance of showers between 10am and 1pm.   Seas around 3 ft.

      High: 49 °F

      NW 20kt
      3ft

    • Saturday Night

      Saturday Night:NW wind 25 to 30 kt. Mostly cloudy. Seas around 4 ft.

      Low: 45 °F

      NW 30kt
      4ft

    • Sunday

      Sunday:WNW wind 25 to 30 kt. Partly sunny. Seas around 4 ft.

      High: 47 °F

      WNW 30kt
      4ft

    • Sunday Night

      Sunday Night:WNW wind around 25 kt. Mostly cloudy. Seas around 3 ft.

      Low: 44 °F

      WNW 25kt
      3ft

    • Monday

      Monday:WNW wind around 20 kt, with gusts as high as 25 kt. Partly sunny. Seas around 3 ft.

      High: 48 °F

      WNW 20kt
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:20 am AKDT Sep 17, 2026
Forecast Valid: 4am AKDT Sep 17, 2026-6pm AKDT Sep 23, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 1004 mb low 235 nm W of Mekoryuk moves to 20 nm W of Kipnuk by Fri morning. This low lingers over the Yukon-Kuskokwim Delta through Fri afternoon. A 1009 mb Kamchatka low moves to 200 nm N of Shemya by Thu afternoon then to 240 nm S of Sand Point at 1000 mb by Fri afternoon.

Thursday
SSW wind 15 to 20 kt. Rain likely, mainly before 10am. Seas around 3 ft.
Thursday Night
WSW wind around 15 kt. A slight chance of showers after 10pm. Seas around 3 ft.
Friday
WSW wind 10 to 15 kt. A chance of showers. Seas 2 to 3 ft.
Friday Night
NW wind 5 to 15 kt becoming N in the evening. A chance of showers. Seas around 2 ft.
Saturday
NW wind 15 to 20 kt. A chance of showers between 10am and 1pm. Seas around 3 ft.
Saturday Night
NW wind 25 to 30 kt. Mostly cloudy. Seas around 4 ft.
Sunday
WNW wind 25 to 30 kt. Partly sunny. Seas around 4 ft.
Sunday Night
WNW wind around 25 kt. Mostly cloudy. Seas around 3 ft.
Monday
WNW wind around 20 kt, with gusts as high as 25 kt. Partly sunny. Seas around 3 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: 1:20 am AKDT Sep 17, 2026
Forecast Valid: 4am AKDT Sep 17, 2026-6pm AKDT Sep 23, 2026
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