Hazardous Weather Conditions

For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NW wind around 30 kt. Scattered showers.   Seas around 11 ft.

      Low: 38 °F

      NW 30kt
      11ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:WNW wind around 25 kt. A chance of rain, mainly before 1pm.   Seas 9 to 10 ft.

      High: 41 °F

      WNW 25kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:WNW wind 25 to 30 kt. Mostly cloudy. Seas 9 to 10 ft.

      Low: 38 °F

      WNW 30kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:WNW wind 20 to 25 kt. Mostly sunny. Seas 8 to 10 ft.

      High: 42 °F

      WNW 25kt
      8-10ft

    • Wednesday Night

      Wednesday Night:W wind around 10 kt becoming SSW after midnight. A chance of rain after 10pm.   Seas 5 to 6 ft.

      Low: 39 °F

      W 10kt
      5-6ft

    • Thursday

      Thursday:W wind 15 to 20 kt. A chance of rain.   Seas 4 ft building to 7 ft.

      High: 43 °F

      W 20kt
      Waves Building7ft

    • Thursday Night

      Thursday Night:W wind 15 to 20 kt. A chance of rain before 10pm, then a chance of rain after 1am.   Seas 7 to 8 ft.

      Low: 40 °F

      W 20kt
      7-8ft

    • Friday

      Friday:WSW wind 15 to 20 kt. A chance of showers.   Seas 8 to 9 ft.

      High: 43 °F

      WSW 20kt
      8-9ft

    • Friday Night

      Friday Night:W wind around 10 kt becoming NNW in the evening. A chance of showers.   Seas 6 to 8 ft.

      Low: 39 °F

      W 10kt
      6-8ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:53 pm AKDT May 25, 2026
Forecast Valid: 11pm AKDT May 25, 2026-6pm AKDT Jun 1, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

Synopsis: A 978 mb low 80 nm NE of Dutch Harbor moves to 90 nm NW of Port Heiden Tue morning before moving onshore. A ridge builds over the Western Aleutians Tue reaching the Central Aleutians Wed afternoon.

Overnight
NW wind around 30 kt. Scattered showers. Seas around 11 ft.
Tuesday
WNW wind around 25 kt. A chance of rain, mainly before 1pm. Seas 9 to 10 ft.
Tuesday Night
WNW wind 25 to 30 kt. Mostly cloudy. Seas 9 to 10 ft.
Wednesday
WNW wind 20 to 25 kt. Mostly sunny. Seas 8 to 10 ft.
Wednesday Night
W wind around 10 kt becoming SSW after midnight. A chance of rain after 10pm. Seas 5 to 6 ft.
Thursday
W wind 15 to 20 kt. A chance of rain. Seas 4 ft building to 7 ft.
Thursday Night
W wind 15 to 20 kt. A chance of rain before 10pm, then a chance of rain after 1am. Seas 7 to 8 ft.
Friday
WSW wind 15 to 20 kt. A chance of showers. Seas 8 to 9 ft.
Friday Night
W wind around 10 kt becoming NNW in the evening. A chance of showers. Seas 6 to 8 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: 8:53 pm AKDT May 25, 2026
Forecast Valid: 11pm AKDT May 25, 2026-6pm AKDT Jun 1, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data