Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WSW wind 5 to 10 kt becoming SSW. A slight chance of snow after 4am.   Seas 6 to 7 ft.

      Low: 36 °F

      WSW 10kt
      6-7ft

    • Saturday

      Saturday:ESE wind 25 to 35 kt increasing to 35 to 45 kt in the afternoon. Winds could gust as high as 55 kt. Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. The rain and snow could be heavy at times.   Seas 5 ft building to 13 ft.

      High: 42 °F

      ⇑ESE 45kt
      Waves Building13ft

      Gale Warning
      Gale Warning

    • Saturday Night

      Saturday Night:SSW wind 45 to 50 kt, with gusts as high as 60 kt. Showers.   Seas 15 ft building to 19 ft.

      Low: 38 °F

      SSW 50kt
      Waves Building19ft

      Storm Warning
      Storm Warning

    • Sunday

      Sunday:SW wind 45 to 55 kt, with gusts as high as 65 kt. Rain showers before 1pm, then rain and snow showers.   Seas 17 to 19 ft.

      High: 40 °F

      SW 55kt
      17-19ft

    • Sunday Night

      Sunday Night:SW wind 35 to 40 kt, with gusts as high as 50 kt. Rain and snow showers.   Seas 17 to 19 ft.

      Low: 37 °F

      SW 40kt
      17-19ft

    • Monday

      Monday:WSW wind 30 to 35 kt, with gusts as high as 40 kt. Rain and snow showers.   Seas around 16 ft.

      High: 40 °F

      WSW 35kt
      16ft

    • Monday Night

      Monday Night:W wind around 30 kt, with gusts as high as 40 kt. Showers.   Seas 16 to 18 ft.

      Low: 37 °F

      W 30kt
      16-18ft

    • Tuesday

      Tuesday:WSW wind around 30 kt. Rain.   Seas 18 ft subsiding to 14 ft.

      High: 40 °F

      WSW 30kt
      18ftWaves Subsiding

    • Tuesday Night

      Tuesday Night:SW wind 20 to 25 kt. Rain.   Seas 12 ft subsiding to 9 ft.

      Low: 36 °F

      SW 25kt
      12ftWaves Subsiding


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:25 pm AKDT Apr 24, 2026
Forecast Valid: 12am AKDT Apr 25, 2026-6pm AKDT May 1, 2026

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Detailed Forecast

...STORM WARNING SATURDAY AND SATURDAY NIGHT...

Synopsis: A 1004 mb low 180 nm S of Cold Bay moves to 90 nm S of Chignik at 1008 mb by Sat morning then dissipates Sat afternoon. A 973 mb North Pacific low moves to 350 nm S of Shemya by Sat morning as it pushes its front into the southern Bering. This low moves to 65 nm SW of Adak at 956 mb by Sat afternoon then to 150 nm W of Saint Paul by Sun afternoon.

Overnight
WSW wind 5 to 10 kt becoming SSW. A slight chance of snow after 4am. Seas 6 to 7 ft.
Saturday
ESE wind 25 to 35 kt increasing to 35 to 45 kt in the afternoon. Winds could gust as high as 55 kt. Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. The rain and snow could be heavy at times. Seas 5 ft building to 13 ft.
Saturday Night
SSW wind 45 to 50 kt, with gusts as high as 60 kt. Showers. Seas 15 ft building to 19 ft.
Sunday
SW wind 45 to 55 kt, with gusts as high as 65 kt. Rain showers before 1pm, then rain and snow showers. Seas 17 to 19 ft.
Sunday Night
SW wind 35 to 40 kt, with gusts as high as 50 kt. Rain and snow showers. Seas 17 to 19 ft.
Monday
WSW wind 30 to 35 kt, with gusts as high as 40 kt. Rain and snow showers. Seas around 16 ft.
Monday Night
W wind around 30 kt, with gusts as high as 40 kt. Showers. Seas 16 to 18 ft.
Tuesday
WSW wind around 30 kt. Rain. Seas 18 ft subsiding to 14 ft.
Tuesday Night
SW wind 20 to 25 kt. Rain. Seas 12 ft subsiding to 9 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: 8:25 pm AKDT Apr 24, 2026
Forecast Valid: 12am AKDT Apr 25, 2026-6pm AKDT May 1, 2026
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