Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:W wind around 30 kt, with gusts as high as 40 kt. A chance of showers, mainly before 10am.   Seas 10 to 11 ft.

      High: 40 °F

      W 30kt
      10-11ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:W wind around 25 kt, with gusts as high as 30 kt. Partly cloudy. Seas 7 to 8 ft.

      Low: 38 °F

      W 25kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:W wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Seas 6 to 7 ft.

      High: 40 °F

      W 20kt
      6-7ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Scattered showers after 1am.   Seas 4 to 5 ft.

      Low: 38 °F

      Light Wind
      4-5ft

    • Saturday

      Saturday:N wind around 15 kt. Scattered showers before 10am.   Seas around 4 ft.

      High: 41 °F

      N 15kt
      4ft

    • Saturday Night

      Saturday Night:NNW wind around 10 kt becoming NNE after midnight. A chance of showers after 4am.   Seas around 4 ft.

      Low: 38 °F

      NNW 10kt
      4ft

    • Sunday

      Sunday:E wind 15 to 20 kt increasing to 20 to 25 kt in the morning. Winds could gust as high as 30 kt. Showers likely, mainly after 10am.   Seas around 4 ft.

      High: 42 °F

      ⇑E 25kt
      4ft

    • Sunday Night

      Sunday Night:E wind 35 to 40 kt, with gusts as high as 45 kt. Showers.   Seas 4 to 5 ft.

      Low: 38 °F

      E 40kt
      4-5ft

    • Memorial Day

      Memorial Day:W wind around 30 kt, with gusts as high as 35 kt. Showers.   Seas around 6 ft.

      High: 42 °F

      W 30kt
      6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:22 am AKDT May 21, 2026
Forecast Valid: 9am AKDT May 21, 2026-6pm AKDT May 27, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

Synopsis: A 983 mb Bering low around 80 nm SE of Saint George Island moves to about 60 nm NW of Cape Newenham at 993 mb by Thu night before moving inland.

Today
W wind around 30 kt, with gusts as high as 40 kt. A chance of showers, mainly before 10am. Seas 10 to 11 ft.
Tonight
W wind around 25 kt, with gusts as high as 30 kt. Partly cloudy. Seas 7 to 8 ft.
Friday
W wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Seas 6 to 7 ft.
Friday Night
Variable winds 5 kt or less. Scattered showers after 1am. Seas 4 to 5 ft.
Saturday
N wind around 15 kt. Scattered showers before 10am. Seas around 4 ft.
Saturday Night
NNW wind around 10 kt becoming NNE after midnight. A chance of showers after 4am. Seas around 4 ft.
Sunday
E wind 15 to 20 kt increasing to 20 to 25 kt in the morning. Winds could gust as high as 30 kt. Showers likely, mainly after 10am. Seas around 4 ft.
Sunday Night
E wind 35 to 40 kt, with gusts as high as 45 kt. Showers. Seas 4 to 5 ft.
Memorial Day
W wind around 30 kt, with gusts as high as 35 kt. Showers. Seas around 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.
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ABOUT THIS FORECAST

Point Forecast: 52.89°N 173.1°W
Last Update: 4:22 am AKDT May 21, 2026
Forecast Valid: 9am AKDT May 21, 2026-6pm AKDT May 27, 2026
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