Hazardous Weather Conditions

For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 25 to 30 kt. Mostly cloudy. Seas 7 to 8 ft.

      High: 40 °F

      S 30kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:S wind around 25 kt. Mostly cloudy. Seas around 7 ft.

      Low: 38 °F

      S 25kt
      7ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:S wind around 25 kt. Partly sunny. Seas around 7 ft.

      High: 41 °F

      S 25kt
      7ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:S wind around 30 kt. Mostly cloudy. Seas 7 to 9 ft.

      Low: 39 °F

      S 30kt
      7-9ft

    • Monday

      Monday:S wind 15 to 25 kt. Scattered showers between 9am and noon, then a chance of rain after noon.   Seas 6 to 8 ft.

      High: 40 °F

      S 25kt
      6-8ft

    • Monday Night

      Monday Night:WSW wind 10 to 15 kt. A chance of rain before midnight, then a chance of rain after 3am.   Seas 4 to 6 ft.

      Low: 36 °F

      WSW 15kt
      4-6ft

    • Tuesday

      Tuesday:W wind 10 to 15 kt. A chance of rain before 3pm.   Seas around 4 ft.

      High: 40 °F

      W 15kt
      4ft

    • Tuesday Night

      Tuesday Night:W wind 10 to 15 kt becoming NW after midnight. Cloudy. Seas 4 to 5 ft.

      Low: 33 °F

      W 15kt
      4-5ft

    • Wednesday

      Wednesday:NW wind 10 to 20 kt becoming NE in the afternoon. A chance of rain and snow after 3pm.   Seas 3 to 4 ft.

      High: 37 °F

      NE 20kt
      3-4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:08 am AKST Feb 21, 2026
Forecast Valid: 7am AKST Feb 21, 2026-6pm AKST Feb 27, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING TODAY...

Synopsis: High pressure prevails over the Eastern Bering through Mon morning. A north-to-south oriented, stationary front lingers over the Western Bering and Western Aleutians through Sun afternoon. A 1015 mb low arrives 190 nm S of Amchitka by Sun afternoon and moves to 310 nm W of Saint Paul at 1015 mb by Mon morning.

Today
S wind 25 to 30 kt. Mostly cloudy. Seas 7 to 8 ft.
Tonight
S wind around 25 kt. Mostly cloudy. Seas around 7 ft.
Sunday
S wind around 25 kt. Partly sunny. Seas around 7 ft.
Sunday Night
S wind around 30 kt. Mostly cloudy. Seas 7 to 9 ft.
Monday
S wind 15 to 25 kt. Scattered showers between 9am and noon, then a chance of rain after noon. Seas 6 to 8 ft.
Monday Night
WSW wind 10 to 15 kt. A chance of rain before midnight, then a chance of rain after 3am. Seas 4 to 6 ft.
Tuesday
W wind 10 to 15 kt. A chance of rain before 3pm. Seas around 4 ft.
Tuesday Night
W wind 10 to 15 kt becoming NW after midnight. Cloudy. Seas 4 to 5 ft.
Wednesday
NW wind 10 to 20 kt becoming NE in the afternoon. A chance of rain and snow after 3pm. Seas 3 to 4 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 52.89°N 173.1°W
Last Update: 4:08 am AKST Feb 21, 2026
Forecast Valid: 7am AKST Feb 21, 2026-6pm AKST Feb 27, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data