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

Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

    • Christmas Day

      Christmas Day:SSE wind around 20 kt. A chance of rain. Seas 8 to 9 ft.

      High: 42 °F

      SSE 20kt
      8-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:NW wind 5 to 10 kt becoming N 15 to 25 kt. A chance of rain. Seas 6 to 7 ft.

      Low: 41 °F

      ⇑N 25kt
      6-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:NNE wind 45 to 50 kt, with gusts as high as 60 kt. Rain likely before 9am, then a chance of snow. Seas 20 ft building to 25 ft.

      High: 38 °F

      NNE 50kt
      Waves Building25ft

    • Friday Night

      Friday Night:NNE wind around 45 kt, with gusts as high as 55 kt. A chance of snow before 3am. Seas around 25 ft.

      Low: 35 °F

      NNE 45kt
      25ft

    • Saturday

      Saturday:N wind 40 to 45 kt, with gusts as high as 55 kt. Mostly cloudy. Seas around 25 ft.

      High: 33 °F

      N 45kt
      25ft

    • Saturday Night

      Saturday Night:N wind 35 to 40 kt, with gusts as high as 45 kt. A chance of snow after 9pm. Seas 24 ft subsiding to 20 ft.

      Low: 30 °F

      N 40kt
      24ftWaves Subsiding

    • Sunday

      Sunday:N wind 30 to 35 kt. A chance of snow before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of rain after 3pm. Seas 20 ft subsiding to 16 ft.

      High: 37 °F

      N 35kt
      20ftWaves Subsiding

    • Sunday Night

      Sunday Night:N wind around 30 kt. A chance of rain. Seas 16 ft subsiding to 13 ft.

      Low: 31 °F

      N 30kt
      16ftWaves Subsiding

    • Monday

      Monday:N wind 25 to 30 kt. A chance of rain. Seas 12 to 13 ft.

      High: 39 °F

      N 30kt
      12-13ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:07 pm AKST Dec 24, 2025
Forecast Valid: 1am AKST Dec 25, 2025-6pm AKST Dec 31, 2025

View Nearby Observations

Detailed Forecast

...STORM WARNING THURSDAY NIGHT...

Synopsis: A 991 mb N Pacific low lifts to 60 nm S of Amchitka Thu morning and moves to 80 nm N of Atka by Thu evening. Its associated front spreads across the Bering Sea Wed through Fri afternoon.

Christmas Day
SSE wind around 20 kt. A chance of rain. Seas 8 to 9 ft.
Thursday Night
NW wind 5 to 10 kt becoming N 15 to 25 kt. A chance of rain. Seas 6 to 7 ft.
Friday
NNE wind 45 to 50 kt, with gusts as high as 60 kt. Rain likely before 9am, then a chance of snow. Seas 20 ft building to 25 ft.
Friday Night
NNE wind around 45 kt, with gusts as high as 55 kt. A chance of snow before 3am. Seas around 25 ft.
Saturday
N wind 40 to 45 kt, with gusts as high as 55 kt. Mostly cloudy. Seas around 25 ft.
Saturday Night
N wind 35 to 40 kt, with gusts as high as 45 kt. A chance of snow after 9pm. Seas 24 ft subsiding to 20 ft.
Sunday
N wind 30 to 35 kt. A chance of snow before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of rain after 3pm. Seas 20 ft subsiding to 16 ft.
Sunday Night
N wind around 30 kt. A chance of rain. Seas 16 ft subsiding to 13 ft.
Monday
N wind 25 to 30 kt. A chance of rain. Seas 12 to 13 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: 8:07 pm AKST Dec 24, 2025
Forecast Valid: 1am AKST Dec 25, 2025-6pm AKST Dec 31, 2025
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