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]

    • Tonight

      Tonight:NNE wind around 10 kt. Mostly cloudy. Seas around 4 ft.

      Low: 31 °F

      NNE 10kt
      4ft

    • Sunday

      Sunday:NNE wind 10 to 15 kt. Partly sunny. Seas 3 to 4 ft.

      High: 34 °F

      NNE 15kt
      3-4ft

    • Sunday Night

      Sunday Night:NNE wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 4 to 5 ft.

      Low: 30 °F

      NNE 15kt
      4-5ft

    • Monday

      Monday:N wind around 15 kt. Mostly cloudy. Seas around 5 ft.

      High: 35 °F

      N 15kt
      5ft

    • Monday Night

      Monday Night:NW wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 5 ft.

      Low: 30 °F

      NW 15kt
      5ft

    • Tuesday

      Tuesday:NW wind around 20 kt. A chance of snow showers before 4pm. Seas 5 to 6 ft.

      High: 38 °F

      NW 20kt
      5-6ft

    • Tuesday Night

      Tuesday Night:N wind 15 to 20 kt. Snow likely after 10pm. Seas around 6 ft.

      Low: 31 °F

      N 20kt
      6ft

    • Wednesday

      Wednesday:N wind 10 to 15 kt. Snow likely. Seas around 5 ft.

      High: 35 °F

      N 15kt
      5ft

    • Wednesday Night

      Wednesday Night:NW wind around 10 kt. Snow. Seas around 4 ft.

      Low: 32 °F

      NW 10kt
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:52 pm AKDT Mar 14, 2026
Forecast Valid: 10pm AKDT Mar 14, 2026-6pm AKDT Mar 21, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 1042 mb high over the far western Bering and Aleutians remains stationary through Monday. A 1034 mb low 165 nm northwest of Saint Paul Island Sat afternoon moves to 120 nm northeast of Atka then dissipates Sun morning.

Tonight
NNE wind around 10 kt. Mostly cloudy. Seas around 4 ft.
Sunday
NNE wind 10 to 15 kt. Partly sunny. Seas 3 to 4 ft.
Sunday Night
NNE wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 4 to 5 ft.
Monday
N wind around 15 kt. Mostly cloudy. Seas around 5 ft.
Monday Night
NW wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 5 ft.
Tuesday
NW wind around 20 kt. A chance of snow showers before 4pm. Seas 5 to 6 ft.
Tuesday Night
N wind 15 to 20 kt. Snow likely after 10pm. Seas around 6 ft.
Wednesday
N wind 10 to 15 kt. Snow likely. Seas around 5 ft.
Wednesday Night
NW wind around 10 kt. Snow. Seas around 4 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: 2:52 pm AKDT Mar 14, 2026
Forecast Valid: 10pm AKDT Mar 14, 2026-6pm AKDT Mar 21, 2026
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