Hazardous Weather Conditions

For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSW wind 20 to 25 kt. Showers likely, mainly after 10am.   Seas 7 to 8 ft.

      High: 40 °F

      SSW 25kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WSW wind 15 to 20 kt. Showers likely.   Seas around 5 ft.

      Low: 38 °F

      WSW 20kt
      5ft

    • Tuesday

      Tuesday:W wind 20 to 25 kt. A chance of showers, mainly before 10am.   Seas around 7 ft.

      High: 41 °F

      W 25kt
      7ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:WSW wind 15 to 25 kt becoming S after midnight. Rain, mainly after 10pm.   Seas 5 to 7 ft.

      Low: 38 °F

      S 25kt
      5-7ft

    • Wednesday

      Wednesday:SSE wind 30 to 35 kt becoming SSW in the morning. Rain, mainly before 10am.   Seas 7 ft building to 13 ft.

      High: 42 °F

      SSE 35kt
      Waves Building13ft

    • Wednesday Night

      Wednesday Night:WSW wind 25 to 30 kt, with gusts as high as 45 kt. Showers likely.   Seas 16 ft subsiding to 7 ft.

      Low: 38 °F

      WSW 30kt
      16ftWaves Subsiding

    • Thursday

      Thursday:W wind 30 to 35 kt, with gusts as high as 40 kt. Showers likely before 10am.   Seas around 11 ft.

      High: 41 °F

      W 35kt
      11ft

    • Thursday Night

      Thursday Night:W wind around 30 kt. A chance of showers.   Seas 9 to 10 ft.

      Low: 38 °F

      W 30kt
      9-10ft

    • Friday

      Friday:W wind 20 to 25 kt. Mostly cloudy. Seas 5 to 7 ft.

      High: 41 °F

      W 25kt
      5-7ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:21 am AKDT May 18, 2026
Forecast Valid: 9am AKDT May 18, 2026-6pm AKDT May 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

Synopsis: A 982 mb low at about 240 nm west of Saint Paul Island remains nearly stationary before dissipating Tue night. A 994 mb low forms Mon morning near 100 nm southeast of Dutch Harbor and then moves to about 40 nm south of Togiak at 995 mb Mon night before moving inland. A 975 mb North Pacific low enters the region Wed morning around 200 nm west of Adak.

Today
SSW wind 20 to 25 kt. Showers likely, mainly after 10am. Seas 7 to 8 ft.
Tonight
WSW wind 15 to 20 kt. Showers likely. Seas around 5 ft.
Tuesday
W wind 20 to 25 kt. A chance of showers, mainly before 10am. Seas around 7 ft.
Tuesday Night
WSW wind 15 to 25 kt becoming S after midnight. Rain, mainly after 10pm. Seas 5 to 7 ft.
Wednesday
SSE wind 30 to 35 kt becoming SSW in the morning. Rain, mainly before 10am. Seas 7 ft building to 13 ft.
Wednesday Night
WSW wind 25 to 30 kt, with gusts as high as 45 kt. Showers likely. Seas 16 ft subsiding to 7 ft.
Thursday
W wind 30 to 35 kt, with gusts as high as 40 kt. Showers likely before 10am. Seas around 11 ft.
Thursday Night
W wind around 30 kt. A chance of showers. Seas 9 to 10 ft.
Friday
W wind 20 to 25 kt. Mostly cloudy. Seas 5 to 7 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: 4:21 am AKDT May 18, 2026
Forecast Valid: 9am AKDT May 18, 2026-6pm AKDT May 24, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data