Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:N wind 20 to 25 kt. Partly sunny. Seas 11 to 12 ft.

      High: 37 °F

      N 25kt
      11-12ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNE wind 10 to 20 kt. Mostly cloudy. Seas 9 to 10 ft.

      Low: 36 °F

      NNE 20kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:E wind 10 to 15 kt becoming SE in the afternoon. Mostly sunny. Seas 7 to 8 ft.

      High: 39 °F

      SE 15kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:SSE wind 15 to 25 kt. Partly cloudy. Seas 6 to 7 ft.

      Low: 39 °F

      SSE 25kt
      6-7ft

    • Wednesday

      Wednesday:SSE wind 20 to 30 kt. A chance of rain.   Seas 7 to 9 ft.

      High: 42 °F

      SSE 30kt
      7-9ft

    • Wednesday Night

      Wednesday Night:S wind 15 to 20 kt, with gusts as high as 30 kt. A chance of rain before 9pm, then rain after 3am.   Seas 7 ft subsiding to 4 ft.

      Low: 39 °F

      S 20kt
      7ftWaves Subsiding

    • New Year's Day

      New Year's Day:SSW wind 15 to 20 kt becoming SSE in the afternoon. Rain.   Seas 4 to 5 ft.

      High: 43 °F

      SSE 20kt
      4-5ft

    • Thursday Night

      Thursday Night:SSE wind 20 to 25 kt becoming WSW after midnight. Rain.   Seas 5 ft building to 17 ft.

      Low: 38 °F

      S 25kt
      Waves Building17ft

    • Friday

      Friday:WSW wind 15 to 20 kt. Rain.   Seas 17 ft building to 21 ft.

      High: 42 °F

      WSW 20kt
      Waves Building21ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:03 am AKST Dec 29, 2025
Forecast Valid: 6am AKST Dec 29, 2025-6pm AKST Jan 4, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

Synopsis: A 980 mb Gulf low maintains strong winds across the Eastern Bering through Wed morning. A 974 mb North Pacific low moves to 220 nm SW of Attu at 982 mb by Wed morning. Its front pushes into the Western and Central Aleutians from Mon afternoon through Wed morning.

Today
N wind 20 to 25 kt. Partly sunny. Seas 11 to 12 ft.
Tonight
NNE wind 10 to 20 kt. Mostly cloudy. Seas 9 to 10 ft.
Tuesday
E wind 10 to 15 kt becoming SE in the afternoon. Mostly sunny. Seas 7 to 8 ft.
Tuesday Night
SSE wind 15 to 25 kt. Partly cloudy. Seas 6 to 7 ft.
Wednesday
SSE wind 20 to 30 kt. A chance of rain. Seas 7 to 9 ft.
Wednesday Night
S wind 15 to 20 kt, with gusts as high as 30 kt. A chance of rain before 9pm, then rain after 3am. Seas 7 ft subsiding to 4 ft.
New Year's Day
SSW wind 15 to 20 kt becoming SSE in the afternoon. Rain. Seas 4 to 5 ft.
Thursday Night
SSE wind 20 to 25 kt becoming WSW after midnight. Rain. Seas 5 ft building to 17 ft.
Friday
WSW wind 15 to 20 kt. Rain. Seas 17 ft building to 21 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: 5:03 am AKST Dec 29, 2025
Forecast Valid: 6am AKST Dec 29, 2025-6pm AKST Jan 4, 2026
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