National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

    • Wednesday

      Wednesday:N wind 5 to 15 kt becoming E in the afternoon. Mostly cloudy. Seas around 4 ft.

      High: 39 °F

      N 15kt
      4ft

    • Wednesday Night

      Wednesday Night:SE wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.

      Low: 38 °F

      SE 15kt
      3ft

    • Thursday

      Thursday:SE wind 10 to 15 kt. Partly sunny. Seas around 4 ft.

      High: 39 °F

      SE 15kt
      4ft

    • Thursday Night

      Thursday Night:ESE wind 5 to 10 kt becoming ENE after midnight. Partly cloudy. Seas 3 to 4 ft.

      Low: 39 °F

      ENE 10kt
      3-4ft

    • Friday

      Friday:ENE wind 15 to 20 kt. Sunny. Seas 3 to 5 ft.

      High: 40 °F

      ENE 20kt
      3-5ft

    • Friday Night

      Friday Night:NE wind 20 to 25 kt, with gusts as high as 30 kt. Partly cloudy. Seas 5 ft building to 8 ft.

      Low: 38 °F

      NE 25kt
      Waves Building8ft

    • Saturday

      Saturday:NE wind 20 to 25 kt, with gusts as high as 30 kt. Mostly sunny. Seas 8 to 9 ft.

      High: 41 °F

      NE 25kt
      8-9ft

    • Saturday Night

      Saturday Night:NE wind 15 to 20 kt becoming NNW after midnight. Mostly clear. Seas 7 to 9 ft.

      Low: 38 °F

      NE 20kt
      7-9ft

    • Sunday

      Sunday:NNW wind 15 to 25 kt. Mostly sunny. Seas 6 to 7 ft.

      High: 41 °F

      NNW 25kt
      6-7ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:36 am AKST Dec 10, 2025
Forecast Valid: 3am AKST Dec 10, 2025-6pm AKST Dec 16, 2025

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Detailed Forecast


Synopsis: A strong high pressure system in the central Bering Sea shifts into the eastern Bering Sea through Thu afternoon. A front persists in the western Bering Sea through Fri morning.

Wednesday
N wind 5 to 15 kt becoming E in the afternoon. Mostly cloudy. Seas around 4 ft.
Wednesday Night
SE wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.
Thursday
SE wind 10 to 15 kt. Partly sunny. Seas around 4 ft.
Thursday Night
ESE wind 5 to 10 kt becoming ENE after midnight. Partly cloudy. Seas 3 to 4 ft.
Friday
ENE wind 15 to 20 kt. Sunny. Seas 3 to 5 ft.
Friday Night
NE wind 20 to 25 kt, with gusts as high as 30 kt. Partly cloudy. Seas 5 ft building to 8 ft.
Saturday
NE wind 20 to 25 kt, with gusts as high as 30 kt. Mostly sunny. Seas 8 to 9 ft.
Saturday Night
NE wind 15 to 20 kt becoming NNW after midnight. Mostly clear. Seas 7 to 9 ft.
Sunday
NNW wind 15 to 25 kt. Mostly sunny. Seas 6 to 7 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: 3:36 am AKST Dec 10, 2025
Forecast Valid: 3am AKST Dec 10, 2025-6pm AKST Dec 16, 2025
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