Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:S wind 35 to 40 kt, with gusts as high as 45 kt. Rain, mainly before 1am.   Seas around 12 ft.

      Low: 41 °F

      S 40kt
      12ft

      Gale Warning
      Gale Warning

    • Saturday

      Saturday:SSW wind 20 to 30 kt, with gusts as high as 40 kt. Scattered rain showers before 4pm, then a slight chance of rain and snow showers.   Seas 10 to 11 ft.

      High: 43 °F

      SSW 30kt
      10-11ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:SW wind 25 to 35 kt, with gusts as high as 40 kt. Scattered rain and snow showers before 1am, then rain showers likely between 1am and 4am, then a chance of rain and snow showers after 4am.   Seas 10 ft building to 14 ft.

      Low: 37 °F

      SW 35kt
      Waves Building14ft

      Gale Warning
      Gale Warning

    • Sunday

      Sunday:WSW wind around 40 kt, with gusts as high as 50 kt. Rain and snow likely before 10am, then snow likely between 10am and 1pm, then a chance of rain and snow after 1pm.   Seas 17 ft building to 20 ft.

      High: 38 °F

      WSW 40kt
      Waves Building20ft

    • Sunday Night

      Sunday Night:WSW wind 30 to 35 kt decreasing to 25 to 30 kt after midnight. Winds could gust as high as 45 kt. A chance of rain and snow before 10pm, then rain and snow after 1am.   Seas 20 ft subsiding to 15 ft.

      Low: 36 °F

      WSW 35kt⇓
      20ftWaves Subsiding

    • Monday

      Monday:SSW wind 20 to 25 kt, with gusts as high as 30 kt. Rain and snow, becoming all rain after 10am.   Seas 13 ft subsiding to 10 ft.

      High: 40 °F

      SSW 25kt
      13ftWaves Subsiding

    • Monday Night

      Monday Night:SSE wind 15 to 20 kt, with gusts as high as 30 kt. Rain likely before 10pm.   Seas 7 to 8 ft.

      Low: 38 °F

      SSE 20kt
      7-8ft

    • Tuesday

      Tuesday:E wind 15 to 20 kt. Cloudy. Seas 6 to 7 ft.

      High: 40 °F

      E 20kt
      6-7ft

    • Tuesday Night

      Tuesday Night:E wind 25 to 30 kt. Rain.   Seas 11 ft building to 15 ft.

      Low: 37 °F

      E 30kt
      Waves Building15ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:32 pm AKDT Apr 17, 2026
Forecast Valid: 7pm AKDT Apr 17, 2026-6pm AKDT Apr 24, 2026

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Detailed Forecast

...GALE WARNING THROUGH SATURDAY NIGHT...

Synopsis: A 972 mb low 60 nm S of Shemya moves to 260 nm N of Kiska at 966 mb Sat afternoon then to 120 nm NW of Saint Paul at 978 mb by Sun afternoon. A front moves through the eastern Aleutians and Alaska Peninsula Sat into Sun.

Tonight
S wind 35 to 40 kt, with gusts as high as 45 kt. Rain, mainly before 1am. Seas around 12 ft.
Saturday
SSW wind 20 to 30 kt, with gusts as high as 40 kt. Scattered rain showers before 4pm, then a slight chance of rain and snow showers. Seas 10 to 11 ft.
Saturday Night
SW wind 25 to 35 kt, with gusts as high as 40 kt. Scattered rain and snow showers before 1am, then rain showers likely between 1am and 4am, then a chance of rain and snow showers after 4am. Seas 10 ft building to 14 ft.
Sunday
WSW wind around 40 kt, with gusts as high as 50 kt. Rain and snow likely before 10am, then snow likely between 10am and 1pm, then a chance of rain and snow after 1pm. Seas 17 ft building to 20 ft.
Sunday Night
WSW wind 30 to 35 kt decreasing to 25 to 30 kt after midnight. Winds could gust as high as 45 kt. A chance of rain and snow before 10pm, then rain and snow after 1am. Seas 20 ft subsiding to 15 ft.
Monday
SSW wind 20 to 25 kt, with gusts as high as 30 kt. Rain and snow, becoming all rain after 10am. Seas 13 ft subsiding to 10 ft.
Monday Night
SSE wind 15 to 20 kt, with gusts as high as 30 kt. Rain likely before 10pm. Seas 7 to 8 ft.
Tuesday
E wind 15 to 20 kt. Cloudy. Seas 6 to 7 ft.
Tuesday Night
E wind 25 to 30 kt. Rain. Seas 11 ft building to 15 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: 6:32 pm AKDT Apr 17, 2026
Forecast Valid: 7pm AKDT Apr 17, 2026-6pm AKDT Apr 24, 2026
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