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Anchorage, AK Local Forecast Office

18NM ESE Shumagin Islands AK

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind around 15 kt. A slight chance of rain after 4am. Seas around 1 ft.

      Low: 49 °F

      SW 15kt
      1ft

    • Friday

      Friday:S wind around 15 kt. Rain, mainly after 10am. Seas around 2 ft.

      High: 55 °F

      S 15kt
      2ft

    • Friday Night

      Friday Night:SSE wind around 10 kt. Rain, mainly before 1am. Seas around 2 ft.

      Low: 50 °F

      SSE 10kt
      2ft

    • Saturday

      Saturday:ESE wind 5 to 10 kt becoming NE in the afternoon. Rain likely, mainly before 10am. Seas around 2 ft.

      High: 56 °F

      NE 10kt
      2ft

    • Saturday Night

      Saturday Night:NNE wind 10 to 15 kt. A chance of rain after 4am. Seas 2 to 3 ft.

      Low: 51 °F

      NNE 15kt
      2-3ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of rain before 10am. Seas around 2 ft.

      High: 57 °F

      Light Wind
      2ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. A chance of showers. Seas 1 to 2 ft.

      Low: 52 °F

      Light Wind
      1-2ft

    • Monday

      Monday:SW wind 5 to 10 kt. Showers likely. Seas around 1 ft.

      High: 57 °F

      SW 10kt
      1ft

    • Monday Night

      Monday Night:SW wind around 10 kt. Showers likely. Seas around 1 ft.

      Low: 51 °F

      SW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:56 pm AKDT Jul 30, 2026
Forecast Valid: 9pm AKDT Jul 30, 2026-6pm AKDT Aug 6, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 1005 mb low 100 nm SW of Shemya moves to 75 nm SE of St George at 1007 mb Fri afternoon. Its front moves through the Aleutians reaching the Mainland Fri evening. A ridge of high pressure moves in behind the low.

Tonight
SW wind around 15 kt. A slight chance of rain after 4am. Seas around 1 ft.
Friday
S wind around 15 kt. Rain, mainly after 10am. Seas around 2 ft.
Friday Night
SSE wind around 10 kt. Rain, mainly before 1am. Seas around 2 ft.
Saturday
ESE wind 5 to 10 kt becoming NE in the afternoon. Rain likely, mainly before 10am. Seas around 2 ft.
Saturday Night
NNE wind 10 to 15 kt. A chance of rain after 4am. Seas 2 to 3 ft.
Sunday
Variable winds 5 kt or less. A chance of rain before 10am. Seas around 2 ft.
Sunday Night
Variable winds 5 kt or less. A chance of showers. Seas 1 to 2 ft.
Monday
SW wind 5 to 10 kt. Showers likely. Seas around 1 ft.
Monday Night
SW wind around 10 kt. Showers likely. Seas around 1 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: 55.04°N 159.38°W
Last Update: 12:56 pm AKDT Jul 30, 2026
Forecast Valid: 9pm AKDT Jul 30, 2026-6pm AKDT Aug 6, 2026
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