Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:WNW wind around 25 kt. Scattered showers before 7am, then a chance of rain between 7am and 1pm, then isolated showers after 1pm.   Seas 9 to 11 ft.

      High: 41 °F

      WNW 25kt
      9-11ft

      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: 38 °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: 39 °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: 40 °F

      W 10kt
      6-8ft

    • Saturday

      Saturday:N wind around 15 kt. Cloudy. Seas around 5 ft.

      High: 42 °F

      N 15kt
      5ft


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: 3am AKDT May 26, 2026-6pm AKDT Jun 1, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

Synopsis: A 985 mb low 100 nm N of Nelson Lagoon continues to weaken to 993 mb as it moves onshore by this afternoon. A ridge builds over the Western Aleutians, reaching the Central Aleutians by Thu morning.

Tuesday
WNW wind around 25 kt. Scattered showers before 7am, then a chance of rain between 7am and 1pm, then isolated showers after 1pm. Seas 9 to 11 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.
Saturday
N wind around 15 kt. Cloudy. Seas around 5 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: 8:53 pm AKDT May 25, 2026
Forecast Valid: 3am AKDT May 26, 2026-6pm AKDT Jun 1, 2026
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