Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 5 to 10 kt. Mostly cloudy. Seas 5 to 6 ft.

      Low: 36 °F

      W 10kt
      5-6ft

    • Sunday

      Sunday:S wind 5 to 10 kt. Mostly cloudy. Seas around 5 ft.

      High: 38 °F

      S 10kt
      5ft

    • Sunday Night

      Sunday Night:SSE wind 10 to 20 kt. A chance of rain after 1am.   Seas around 6 ft.

      Low: 37 °F

      SSE 20kt
      6ft

    • Monday

      Monday:S wind around 25 kt. Rain likely, mainly after 7am.   Seas 6 to 7 ft.

      High: 40 °F

      S 25kt
      6-7ft

    • Monday Night

      Monday Night:S wind 20 to 25 kt. Rain likely, mainly after 4am.   Seas 6 to 7 ft.

      Low: 40 °F

      S 25kt
      6-7ft

    • Tuesday

      Tuesday:SW wind 10 to 15 kt. Rain likely, mainly before 10am.   Seas 4 to 5 ft.

      High: 41 °F

      SW 15kt
      4-5ft

    • Tuesday Night

      Tuesday Night:SSW wind around 15 kt. Rain likely.   Seas 3 to 4 ft.

      Low: 38 °F

      SSW 15kt
      3-4ft

    • Wednesday

      Wednesday:SW wind around 20 kt. Rain likely.   Seas 4 ft building to 7 ft.

      High: 41 °F

      SW 20kt
      Waves Building7ft

    • Wednesday Night

      Wednesday Night:WSW wind around 20 kt, with gusts as high as 25 kt. Rain.   Seas 13 ft subsiding to 10 ft.

      Low: 37 °F

      WSW 20kt
      13ftWaves Subsiding


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:28 pm AKDT Apr 11, 2026
Forecast Valid: 7pm AKDT Apr 11, 2026-6pm AKDT Apr 18, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

Synopsis: A 1004 mb low moves over Saint Lawrence Island Sat evening before tracking southeastward into the YK Delta Sun afternoon. Its front sweeps from west to east across the Bering through Sun. A front extending from a 992 mb Kamchatka low will push through the western Aleutians Sun evening through Mon afternoon.

Tonight
W wind 5 to 10 kt. Mostly cloudy. Seas 5 to 6 ft.
Sunday
S wind 5 to 10 kt. Mostly cloudy. Seas around 5 ft.
Sunday Night
SSE wind 10 to 20 kt. A chance of rain after 1am. Seas around 6 ft.
Monday
S wind around 25 kt. Rain likely, mainly after 7am. Seas 6 to 7 ft.
Monday Night
S wind 20 to 25 kt. Rain likely, mainly after 4am. Seas 6 to 7 ft.
Tuesday
SW wind 10 to 15 kt. Rain likely, mainly before 10am. Seas 4 to 5 ft.
Tuesday Night
SSW wind around 15 kt. Rain likely. Seas 3 to 4 ft.
Wednesday
SW wind around 20 kt. Rain likely. Seas 4 ft building to 7 ft.
Wednesday Night
WSW wind around 20 kt, with gusts as high as 25 kt. Rain. Seas 13 ft subsiding to 10 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: 3:28 pm AKDT Apr 11, 2026
Forecast Valid: 7pm AKDT Apr 11, 2026-6pm AKDT Apr 18, 2026
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