Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind around 20 kt, with gusts as high as 25 kt. A chance of rain showers before 1pm, then a chance of rain and snow showers.   Seas 7 to 8 ft.

      High: 41 °F

      WSW 20kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WSW wind 20 to 25 kt. A chance of rain and snow showers before 1am, then a slight chance of rain and snow showers after 4am.   Seas around 8 ft.

      Low: 35 °F

      WSW 25kt
      8ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:W wind around 20 kt. A slight chance of rain and snow showers before 10am.   Seas around 7 ft.

      High: 39 °F

      W 20kt
      7ft

    • Friday Night

      Friday Night:W wind 5 to 15 kt becoming S after midnight. Mostly cloudy. Seas 6 to 7 ft.

      Low: 35 °F

      W 15kt
      6-7ft

    • Saturday

      Saturday:ESE wind 25 to 30 kt increasing to 35 to 40 kt in the afternoon. Rain and snow likely between 7am and 10am, then rain.   Seas 5 ft building to 11 ft.

      High: 43 °F

      ⇑ESE 40kt
      Waves Building11ft

    • Saturday Night

      Saturday Night:SSE wind 40 to 45 kt becoming SSW after midnight. Winds could gust as high as 55 kt. Rain.   Seas 16 to 18 ft.

      Low: 37 °F

      SSE 45kt
      16-18ft

    • Sunday

      Sunday:WSW wind 40 to 45 kt, with gusts as high as 60 kt. Rain.   Seas 14 ft building to 19 ft.

      High: 40 °F

      WSW 45kt
      Waves Building19ft

    • Sunday Night

      Sunday Night:WSW wind 40 to 45 kt, with gusts as high as 50 kt. Rain.   Seas 21 ft subsiding to 17 ft.

      Low: 36 °F

      WSW 45kt
      21ftWaves Subsiding

    • Monday

      Monday:W wind 35 to 40 kt. Rain.   Seas 15 to 17 ft.

      High: 40 °F

      W 40kt
      15-17ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:50 am AKDT Apr 23, 2026
Forecast Valid: 9am AKDT Apr 23, 2026-6pm AKDT Apr 29, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

Synopsis: A 980 mb low 80 nm W of St. Paul moves to 200 nm SW of St. Lawrence Island at 994 mb by Fri morning, then to 190 nm W of St. Matthew Island at 1003 mb by Sat morning. A 975 mb North Pacific low pushes its front into the Western Aleutians beginning Sat morning.

Today
WSW wind around 20 kt, with gusts as high as 25 kt. A chance of rain showers before 1pm, then a chance of rain and snow showers. Seas 7 to 8 ft.
Tonight
WSW wind 20 to 25 kt. A chance of rain and snow showers before 1am, then a slight chance of rain and snow showers after 4am. Seas around 8 ft.
Friday
W wind around 20 kt. A slight chance of rain and snow showers before 10am. Seas around 7 ft.
Friday Night
W wind 5 to 15 kt becoming S after midnight. Mostly cloudy. Seas 6 to 7 ft.
Saturday
ESE wind 25 to 30 kt increasing to 35 to 40 kt in the afternoon. Rain and snow likely between 7am and 10am, then rain. Seas 5 ft building to 11 ft.
Saturday Night
SSE wind 40 to 45 kt becoming SSW after midnight. Winds could gust as high as 55 kt. Rain. Seas 16 to 18 ft.
Sunday
WSW wind 40 to 45 kt, with gusts as high as 60 kt. Rain. Seas 14 ft building to 19 ft.
Sunday Night
WSW wind 40 to 45 kt, with gusts as high as 50 kt. Rain. Seas 21 ft subsiding to 17 ft.
Monday
W wind 35 to 40 kt. Rain. Seas 15 to 17 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: 4:50 am AKDT Apr 23, 2026
Forecast Valid: 9am AKDT Apr 23, 2026-6pm AKDT Apr 29, 2026
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