Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

20NM SSE Shumagin Islands AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 15 to 20 kt. Mostly sunny. Seas 4 to 5 ft.

      High: 43 °F

      S 20kt
      4-5ft

    • Tonight

      Tonight:S wind 10 to 15 kt. A slight chance of showers after 1am.   Seas around 4 ft.

      Low: 39 °F

      S 15kt
      4ft

    • Wednesday

      Wednesday:S wind 15 to 20 kt. Rain likely, mainly after 4pm.   Seas around 4 ft.

      High: 44 °F

      S 20kt
      4ft

    • Wednesday Night

      Wednesday Night:SSW wind 25 to 30 kt. Rain, mainly before 10pm.   Seas 5 to 7 ft.

      Low: 40 °F

      SSW 30kt
      5-7ft

    • Thursday

      Thursday:SSW wind 30 to 35 kt, with gusts as high as 40 kt. Showers likely, mainly between 7am and 1pm.   Seas 8 to 10 ft.

      High: 44 °F

      SSW 35kt
      8-10ft

    • Thursday Night

      Thursday Night:WSW wind around 30 kt, with gusts as high as 40 kt. A chance of showers after 1am.   Seas around 10 ft.

      Low: 40 °F

      WSW 30kt
      10ft

    • Friday

      Friday:WSW wind 20 to 25 kt, with gusts as high as 30 kt. Partly sunny. Seas 7 to 9 ft.

      High: 43 °F

      WSW 25kt
      7-9ft

    • Friday Night

      Friday Night:WSW wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 6 to 7 ft.

      Low: 38 °F

      WSW 20kt
      6-7ft

    • Saturday

      Saturday:WNW wind around 15 kt. A chance of showers.   Seas 3 to 4 ft.

      High: 43 °F

      WNW 15kt
      3-4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:06 am AKDT May 19, 2026
Forecast Valid: 5am AKDT May 19, 2026-6pm AKDT May 25, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

Synopsis: A 990 mb low about 170 nm SW of Saint Paul Island remains nearly stationary before dissipating Wed morning. At the same time, a 978 mb Bering Low approaches from the North Pacific around 70 nm SW of Adak and travels to about 70nm SE of Saint George Island by Thu morning.

Today
S wind 15 to 20 kt. Mostly sunny. Seas 4 to 5 ft.
Tonight
S wind 10 to 15 kt. A slight chance of showers after 1am. Seas around 4 ft.
Wednesday
S wind 15 to 20 kt. Rain likely, mainly after 4pm. Seas around 4 ft.
Wednesday Night
SSW wind 25 to 30 kt. Rain, mainly before 10pm. Seas 5 to 7 ft.
Thursday
SSW wind 30 to 35 kt, with gusts as high as 40 kt. Showers likely, mainly between 7am and 1pm. Seas 8 to 10 ft.
Thursday Night
WSW wind around 30 kt, with gusts as high as 40 kt. A chance of showers after 1am. Seas around 10 ft.
Friday
WSW wind 20 to 25 kt, with gusts as high as 30 kt. Partly sunny. Seas 7 to 9 ft.
Friday Night
WSW wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 6 to 7 ft.
Saturday
WNW wind around 15 kt. A chance of showers. Seas 3 to 4 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: 4:06 am AKDT May 19, 2026
Forecast Valid: 5am AKDT May 19, 2026-6pm AKDT May 25, 2026
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