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Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]

    • Thanksgiving Day

      Thanksgiving Day:NNE wind around 10 kt. Mostly sunny. Seas 4 to 5 ft.

      High: 40 °F

      NNE 10kt
      4-5ft

    • Thursday Night

      Thursday Night:ENE wind 15 to 25 kt. Partly cloudy. Seas 5 to 7 ft.

      Low: 39 °F

      ENE 25kt
      5-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:ENE wind 25 to 30 kt, with gusts as high as 35 kt. A chance of rain, mainly after noon. Seas 8 ft building to 12 ft.

      High: 41 °F

      ENE 30kt
      Waves Building12ft

    • Friday Night

      Friday Night:NE wind 35 to 40 kt, with gusts as high as 50 kt. Rain, mainly before 3am. Seas 13 ft building to 22 ft.

      Low: 39 °F

      NE 40kt
      Waves Building22ft

    • Saturday

      Saturday:NE wind 30 to 35 kt decreasing to 20 to 25 kt in the afternoon. Winds could gust as high as 45 kt. Rain likely, mainly after 3pm. Seas 20 ft subsiding to 15 ft.

      High: 41 °F

      NE 35kt⇓
      20ftWaves Subsiding

    • Saturday Night

      Saturday Night:NE wind 20 to 25 kt. Rain likely. Seas 13 to 14 ft.

      Low: 41 °F

      NE 25kt
      13-14ft

    • Sunday

      Sunday:NE wind around 15 kt, with gusts as high as 25 kt. Rain likely, mainly before 3pm. Seas 12 to 13 ft.

      High: 44 °F

      NE 15kt
      12-13ft

    • Sunday Night

      Sunday Night:NNE wind 5 to 15 kt. A chance of rain. Seas 11 to 12 ft.

      Low: 40 °F

      NNE 15kt
      11-12ft

    • Monday

      Monday:ENE wind 5 to 10 kt. A chance of rain. Seas 10 to 11 ft.

      High: 42 °F

      ENE 10kt
      10-11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:45 pm AKST Nov 26, 2025
Forecast Valid: 3am AKST Nov 27, 2025-6pm AKST Dec 3, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THURSDAY NIGHT...

Synopsis: A 993 mb low 155 nm SE of Attu moves east and opens into a shortwave trough by Thu afternoon. A 963 mb low arrives at 430 nm S of Adak by Fri afternoon.

Thanksgiving Day
NNE wind around 10 kt. Mostly sunny. Seas 4 to 5 ft.
Thursday Night
ENE wind 15 to 25 kt. Partly cloudy. Seas 5 to 7 ft.
Friday
ENE wind 25 to 30 kt, with gusts as high as 35 kt. A chance of rain, mainly after noon. Seas 8 ft building to 12 ft.
Friday Night
NE wind 35 to 40 kt, with gusts as high as 50 kt. Rain, mainly before 3am. Seas 13 ft building to 22 ft.
Saturday
NE wind 30 to 35 kt decreasing to 20 to 25 kt in the afternoon. Winds could gust as high as 45 kt. Rain likely, mainly after 3pm. Seas 20 ft subsiding to 15 ft.
Saturday Night
NE wind 20 to 25 kt. Rain likely. Seas 13 to 14 ft.
Sunday
NE wind around 15 kt, with gusts as high as 25 kt. Rain likely, mainly before 3pm. Seas 12 to 13 ft.
Sunday Night
NNE wind 5 to 15 kt. A chance of rain. Seas 11 to 12 ft.
Monday
ENE wind 5 to 10 kt. A chance of rain. Seas 10 to 11 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: 52.17°N 171.65°W
Last Update: 6:45 pm AKST Nov 26, 2025
Forecast Valid: 3am AKST Nov 27, 2025-6pm AKST Dec 3, 2025
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