Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:S wind around 30 kt, with gusts as high as 40 kt. Showers.   Seas 12 to 13 ft.

      Low: 37 °F

      S 30kt
      12-13ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:S wind 30 to 35 kt. Showers.   Seas 12 to 13 ft.

      High: 40 °F

      S 35kt
      12-13ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:WSW wind 30 to 35 kt. Showers likely, mainly before 10pm.   Seas 12 ft subsiding to 9 ft.

      Low: 36 °F

      WSW 35kt
      12ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:W wind around 25 kt. A chance of showers before 10am.   Seas 7 to 8 ft.

      High: 40 °F

      W 25kt
      7-8ft

    • Thursday Night

      Thursday Night:W wind 10 to 20 kt. A chance of rain and snow showers after 1am.   Seas 7 to 8 ft.

      Low: 35 °F

      W 20kt
      7-8ft

    • Friday

      Friday:W wind around 15 kt. Rain and snow showers likely, mainly between 7am and 10am.   Seas around 7 ft.

      High: 39 °F

      W 15kt
      7ft

    • Friday Night

      Friday Night:WSW wind 10 to 15 kt becoming SSE after midnight. Rain and snow likely, becoming all rain after 4am.   Seas around 6 ft.

      Low: 35 °F

      SSE 15kt
      6ft

    • Saturday

      Saturday:ESE wind 20 to 25 kt increasing to 30 to 35 kt in the morning. Winds could gust as high as 45 kt. Rain.   Seas 5 ft building to 8 ft.

      High: 43 °F

      ⇑ESE 35kt
      Waves Building8ft

    • Saturday Night

      Saturday Night:S wind 40 to 45 kt, with gusts as high as 55 kt. Rain.   Seas 13 ft building to 20 ft.

      Low: 37 °F

      S 45kt
      Waves Building20ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:02 pm AKDT Apr 21, 2026
Forecast Valid: 11pm AKDT Apr 21, 2026-6pm AKDT Apr 28, 2026

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Detailed Forecast

...GALE WARNING TONIGHT...

Synopsis: A 983 mb low 150 nm W of Amchitka moves to 93 nm NW of Adak at 967 mb by Wed morning. The low continues to 185 nm NW of Saint Paul at 984 mb by Thu afternoon.

Overnight
S wind around 30 kt, with gusts as high as 40 kt. Showers. Seas 12 to 13 ft.
Wednesday
S wind 30 to 35 kt. Showers. Seas 12 to 13 ft.
Wednesday Night
WSW wind 30 to 35 kt. Showers likely, mainly before 10pm. Seas 12 ft subsiding to 9 ft.
Thursday
W wind around 25 kt. A chance of showers before 10am. Seas 7 to 8 ft.
Thursday Night
W wind 10 to 20 kt. A chance of rain and snow showers after 1am. Seas 7 to 8 ft.
Friday
W wind around 15 kt. Rain and snow showers likely, mainly between 7am and 10am. Seas around 7 ft.
Friday Night
WSW wind 10 to 15 kt becoming SSE after midnight. Rain and snow likely, becoming all rain after 4am. Seas around 6 ft.
Saturday
ESE wind 20 to 25 kt increasing to 30 to 35 kt in the morning. Winds could gust as high as 45 kt. Rain. Seas 5 ft building to 8 ft.
Saturday Night
S wind 40 to 45 kt, with gusts as high as 55 kt. Rain. Seas 13 ft building to 20 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: 8:02 pm AKDT Apr 21, 2026
Forecast Valid: 11pm AKDT Apr 21, 2026-6pm AKDT Apr 28, 2026
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