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]

    • Today

      Today:NW wind around 20 kt. A slight chance of snow before 10am. Seas around 5 ft.

      High: 38 °F

      NW 20kt
      5ft

    • Tonight

      Tonight:NNW wind 15 to 20 kt. A chance of snow, mainly after 10pm. Seas 5 to 6 ft.

      Low: 32 °F

      NNW 20kt
      5-6ft

    • Wednesday

      Wednesday:N wind around 15 kt. A slight chance of snow before 1pm. Seas 4 to 5 ft.

      High: 35 °F

      N 15kt
      4-5ft

    • Wednesday Night

      Wednesday Night:NNW wind around 15 kt. Mostly cloudy. Seas 3 to 4 ft.

      Low: 31 °F

      NNW 15kt
      3-4ft

    • Thursday

      Thursday:NW wind around 15 kt. Snow likely, mainly after 4pm. Seas 3 to 5 ft.

      High: 36 °F

      NW 15kt
      3-5ft

    • Thursday Night

      Thursday Night:NNW wind 15 to 20 kt. Snow likely before 10pm. Seas 5 to 6 ft.

      Low: 26 °F

      NNW 20kt
      5-6ft

    • Friday

      Friday:N wind 15 to 20 kt. A chance of snow. Seas around 7 ft.

      High: 29 °F

      N 20kt
      7ft

    • Friday Night

      Friday Night:N wind around 15 kt. A chance of snow. Seas 6 to 7 ft.

      Low: 24 °F

      N 15kt
      6-7ft

    • Saturday

      Saturday:N wind 10 to 15 kt. A chance of snow. Seas 5 to 7 ft.

      High: 31 °F

      N 15kt
      5-7ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:15 am AKDT Mar 17, 2026
Forecast Valid: 8am AKDT Mar 17, 2026-6pm AKDT Mar 23, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 1024 mb low about 13 nm west of Saint Paul Island Tue morning will move southward before dissipating Tue evening about 50 nm west of Unalaska. Otherwise, high pressure will remain through out the region.

Today
NW wind around 20 kt. A slight chance of snow before 10am. Seas around 5 ft.
Tonight
NNW wind 15 to 20 kt. A chance of snow, mainly after 10pm. Seas 5 to 6 ft.
Wednesday
N wind around 15 kt. A slight chance of snow before 1pm. Seas 4 to 5 ft.
Wednesday Night
NNW wind around 15 kt. Mostly cloudy. Seas 3 to 4 ft.
Thursday
NW wind around 15 kt. Snow likely, mainly after 4pm. Seas 3 to 5 ft.
Thursday Night
NNW wind 15 to 20 kt. Snow likely before 10pm. Seas 5 to 6 ft.
Friday
N wind 15 to 20 kt. A chance of snow. Seas around 7 ft.
Friday Night
N wind around 15 kt. A chance of snow. Seas 6 to 7 ft.
Saturday
N wind 10 to 15 kt. A chance of snow. Seas 5 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: 4:15 am AKDT Mar 17, 2026
Forecast Valid: 8am AKDT Mar 17, 2026-6pm AKDT Mar 23, 2026
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