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 around 35 kt, with gusts as high as 40 kt. Rain and snow showers likely before 7pm, then rain showers likely between 7pm and 1am, then rain and snow showers likely after 1am.   Seas 16 to 18 ft.

      Low: 36 °F

      W 35kt
      16-18ft

      Gale Warning
      Gale Warning

    • Tuesday

      Tuesday:W wind 25 to 30 kt, with gusts as high as 40 kt. Snow showers likely, possibly mixed with rain, mainly before 7am.   Seas 16 ft subsiding to 13 ft.

      High: 40 °F

      W 30kt
      16ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:W wind 15 to 20 kt becoming S 10 to 15 kt after midnight. Scattered rain and snow showers between 10pm and 4am, then scattered rain showers after 4am.   Seas 10 ft subsiding to 7 ft.

      Low: 36 °F

      W 20kt⇓
      10ftWaves Subsiding

    • Wednesday

      Wednesday:ENE wind 20 to 25 kt, with gusts as high as 30 kt. Scattered rain before 7am, then rain and snow likely between 7am and 10am, then rain likely after 10am.   Seas around 6 ft.

      High: 40 °F

      ENE 25kt
      6ft

    • Wednesday Night

      Wednesday Night:NE wind 20 to 25 kt. A chance of rain.   Seas around 8 ft.

      Low: 37 °F

      NE 25kt
      8ft

    • Thursday

      Thursday:NNE wind around 20 kt. Rain likely.   Seas 7 to 8 ft.

      High: 40 °F

      NNE 20kt
      7-8ft

    • Thursday Night

      Thursday Night:N wind 20 to 25 kt. Rain.   Seas 6 to 7 ft.

      Low: 36 °F

      N 25kt
      6-7ft

    • Friday

      Friday:NNW wind around 25 kt. Rain.   Seas around 6 ft.

      High: 39 °F

      NNW 25kt
      6ft

    • Friday Night

      Friday Night:NW wind 25 to 30 kt. Rain.   Seas 8 ft building to 13 ft.

      Low: 36 °F

      NW 30kt
      Waves Building13ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:42 pm AKDT Apr 27, 2026
Forecast Valid: 6pm AKDT Apr 27, 2026-6pm AKDT May 4, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING TONIGHT...

Synopsis: A 973 mb low 160 nm SW of St. Paul moves to 50 nm NE of St. Paul at 986 mb by Tue afternoon. It then continues to weaken to 995 mb, lifting to 170 nm W of Toksook Bay by Wed afternoon. The front of a 985 mb North Pacific low near 150 nm SE of Adak pushes it front into the southern Bering by Wed afternoon.

Tonight
W wind around 35 kt, with gusts as high as 40 kt. Rain and snow showers likely before 7pm, then rain showers likely between 7pm and 1am, then rain and snow showers likely after 1am. Seas 16 to 18 ft.
Tuesday
W wind 25 to 30 kt, with gusts as high as 40 kt. Snow showers likely, possibly mixed with rain, mainly before 7am. Seas 16 ft subsiding to 13 ft.
Tuesday Night
W wind 15 to 20 kt becoming S 10 to 15 kt after midnight. Scattered rain and snow showers between 10pm and 4am, then scattered rain showers after 4am. Seas 10 ft subsiding to 7 ft.
Wednesday
ENE wind 20 to 25 kt, with gusts as high as 30 kt. Scattered rain before 7am, then rain and snow likely between 7am and 10am, then rain likely after 10am. Seas around 6 ft.
Wednesday Night
NE wind 20 to 25 kt. A chance of rain. Seas around 8 ft.
Thursday
NNE wind around 20 kt. Rain likely. Seas 7 to 8 ft.
Thursday Night
N wind 20 to 25 kt. Rain. Seas 6 to 7 ft.
Friday
NNW wind around 25 kt. Rain. Seas around 6 ft.
Friday Night
NW wind 25 to 30 kt. Rain. Seas 8 ft building 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: 3:42 pm AKDT Apr 27, 2026
Forecast Valid: 6pm AKDT Apr 27, 2026-6pm AKDT May 4, 2026
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