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]

    • Sunday

      Sunday:WSW wind around 30 kt. Showers likely, mainly before 7am. Seas 8 to 10 ft.

      High: 42 °F

      WSW 30kt
      8-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:SW wind around 25 kt. A chance of showers. Seas 8 to 9 ft.

      Low: 36 °F

      SW 25kt
      8-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:SW wind around 20 kt. Showers likely, mainly after 4pm. Seas around 7 ft.

      High: 41 °F

      SW 20kt
      7ft

    • Monday Night

      Monday Night:WSW wind around 15 kt, with gusts as high as 20 kt. Rain likely. Seas 5 to 6 ft.

      Low: 38 °F

      WSW 15kt
      5-6ft

    • Tuesday

      Tuesday:W wind around 20 kt. A chance of rain before 1pm. Seas 5 to 6 ft.

      High: 41 °F

      W 20kt
      5-6ft

    • Tuesday Night

      Tuesday Night:W wind around 20 kt becoming S after midnight. Showers, mainly after 4am. Seas 5 to 6 ft.

      Low: 38 °F

      W 20kt
      5-6ft

    • Wednesday

      Wednesday:SSW wind 20 to 25 kt, with gusts as high as 30 kt. Showers, mainly before 10am. Seas 8 to 9 ft.

      High: 42 °F

      SSW 25kt
      8-9ft

    • Wednesday Night

      Wednesday Night:S wind around 25 kt becoming WSW in the evening. Winds could gust as high as 30 kt. Showers. Seas 15 to 16 ft.

      Low: 38 °F

      S 25kt
      15-16ft

    • Thursday

      Thursday:W wind around 30 kt, with gusts as high as 40 kt. Showers. Seas 10 to 11 ft.

      High: 41 °F

      W 30kt
      10-11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:24 pm AKDT May 16, 2026
Forecast Valid: 1am AKDT May 17, 2026-6pm AKDT May 23, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING TONIGHT...

Synopsis: A 974 mb low 120 nm SE of Saint George moves to 50 nm NW of Saint Paul at 979 mb by Sun morning. It continues to 220 nm W of Saint Paul at 982 mb by Mon morning.

Sunday
WSW wind around 30 kt. Showers likely, mainly before 7am. Seas 8 to 10 ft.
Sunday Night
SW wind around 25 kt. A chance of showers. Seas 8 to 9 ft.
Monday
SW wind around 20 kt. Showers likely, mainly after 4pm. Seas around 7 ft.
Monday Night
WSW wind around 15 kt, with gusts as high as 20 kt. Rain likely. Seas 5 to 6 ft.
Tuesday
W wind around 20 kt. A chance of rain before 1pm. Seas 5 to 6 ft.
Tuesday Night
W wind around 20 kt becoming S after midnight. Showers, mainly after 4am. Seas 5 to 6 ft.
Wednesday
SSW wind 20 to 25 kt, with gusts as high as 30 kt. Showers, mainly before 10am. Seas 8 to 9 ft.
Wednesday Night
S wind around 25 kt becoming WSW in the evening. Winds could gust as high as 30 kt. Showers. Seas 15 to 16 ft.
Thursday
W wind around 30 kt, with gusts as high as 40 kt. Showers. Seas 10 to 11 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: 8:24 pm AKDT May 16, 2026
Forecast Valid: 1am AKDT May 17, 2026-6pm AKDT May 23, 2026
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