Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 10 to 20 kt becoming S after midnight. Mostly clear. Seas 9 to 10 ft.

      Low: 37 °F

      SSW 20kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:SSW wind 20 to 25 kt. A chance of rain, mainly after 3pm.   Seas around 10 ft.

      High: 40 °F

      SSW 25kt
      10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:W wind 10 to 20 kt. Rain likely, mainly before 9pm.   Seas 10 ft subsiding to 7 ft.

      Low: 37 °F

      W 20kt
      10ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:NNW wind 5 to 10 kt becoming ENE in the afternoon. Partly sunny. Seas 6 to 7 ft.

      High: 38 °F

      NNW 10kt
      6-7ft

    • Wednesday Night

      Wednesday Night:E wind 10 to 15 kt. A chance of rain and snow between 9pm and midnight, then rain likely.   Seas 6 to 7 ft.

      Low: 36 °F

      E 15kt
      6-7ft

    • Thursday

      Thursday:E wind 20 to 25 kt. Rain likely before 9am, then rain and snow likely.   Seas 8 to 9 ft.

      High: 39 °F

      E 25kt
      8-9ft

    • Thursday Night

      Thursday Night:ESE wind 20 to 25 kt, with gusts as high as 35 kt. A chance of rain and snow before 9pm.   Seas around 10 ft.

      Low: 36 °F

      ESE 25kt
      10ft

    • Friday

      Friday:SE wind 20 to 25 kt, with gusts as high as 35 kt. A chance of rain.   Seas 10 ft subsiding to 7 ft.

      High: 41 °F

      SE 25kt
      10ftWaves Subsiding

    • Friday Night

      Friday Night:SE wind around 25 kt. A chance of rain.   Seas 5 to 7 ft.

      Low: 38 °F

      SE 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: 6:47 pm AKST Feb 16, 2026
Forecast Valid: 8pm AKST Feb 16, 2026-6pm AKST Feb 23, 2026

View Nearby Observations

Detailed Forecast

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

Synopsis: A 975 mb low 246 nm W of Saint Matthew Island moves to 503 nm NW of Saint Matthew Island at 988 mb Tue afternoon. Its front tracks the entirety of the Aleutian Chain, reaching the Kuskokwim Coast Mon afternoon. A new trough and front move into the western Bering Tue morning with the front dissipating over the Central Aleutians Tue afternoon.

Tonight
W wind 10 to 20 kt becoming S after midnight. Mostly clear. Seas 9 to 10 ft.
Tuesday
SSW wind 20 to 25 kt. A chance of rain, mainly after 3pm. Seas around 10 ft.
Tuesday Night
W wind 10 to 20 kt. Rain likely, mainly before 9pm. Seas 10 ft subsiding to 7 ft.
Wednesday
NNW wind 5 to 10 kt becoming ENE in the afternoon. Partly sunny. Seas 6 to 7 ft.
Wednesday Night
E wind 10 to 15 kt. A chance of rain and snow between 9pm and midnight, then rain likely. Seas 6 to 7 ft.
Thursday
E wind 20 to 25 kt. Rain likely before 9am, then rain and snow likely. Seas 8 to 9 ft.
Thursday Night
ESE wind 20 to 25 kt, with gusts as high as 35 kt. A chance of rain and snow before 9pm. Seas around 10 ft.
Friday
SE wind 20 to 25 kt, with gusts as high as 35 kt. A chance of rain. Seas 10 ft subsiding to 7 ft.
Friday Night
SE wind around 25 kt. A chance of rain. 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.
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ABOUT THIS FORECAST

Point Forecast: 52.89°N 173.1°W
Last Update: 6:47 pm AKST Feb 16, 2026
Forecast Valid: 8pm AKST Feb 16, 2026-6pm AKST Feb 23, 2026
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