Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:S wind 15 to 20 kt becoming SE in the afternoon. Winds could gust as high as 25 kt. Scattered showers.   Seas 13 to 15 ft.

      High: 42 °F

      S 20kt
      13-15ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:ESE wind 5 to 10 kt becoming NE after midnight. Scattered showers.   Seas 11 to 12 ft.

      Low: 40 °F

      ESE 10kt
      11-12ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:NW wind 10 to 20 kt. Scattered showers.   Seas around 10 ft.

      High: 41 °F

      NW 20kt
      10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:NW wind 10 to 15 kt becoming W after midnight. Scattered showers.   Seas 10 to 11 ft.

      Low: 40 °F

      NW 15kt
      10-11ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Scattered showers before 9am.   Seas 7 to 9 ft.

      High: 40 °F

      Light Wind
      7-9ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 5 to 6 ft.

      Low: 38 °F

      Light Wind
      5-6ft

    • Thanksgiving Day

      Thanksgiving Day:Variable winds less than 5 kt becoming N 10 to 15 kt in the morning. A chance of rain after 9am.   Seas 4 to 5 ft.

      High: 41 °F

      ⇑N 15kt
      4-5ft

    • Thursday Night

      Thursday Night:N wind 15 to 20 kt. A chance of rain.   Seas 4 ft building to 10 ft.

      Low: 38 °F

      N 20kt
      Waves Building10ft

    • Friday

      Friday:N wind 20 to 25 kt. A chance of rain.   Seas 10 ft building to 15 ft.

      High: 41 °F

      N 25kt
      Waves Building15ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:12 am AKST Nov 24, 2025
Forecast Valid: 3am AKST Nov 24, 2025-6pm AKST Nov 30, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

Synopsis: A 981 mb low 130 nm SE of Shemya merges with a 978 mb low over the Central Aleutians and becomes a 984 mb low 150 nm S of Adak this evening. This low moves to 280 nm SE of Nikolski at 992 mb by Wed morning. A 988 mb North Pacific low 290 nm SE of Unalaska moves to 70 nm NE of Atka at 988 mb Wed morning.

Monday
S wind 15 to 20 kt becoming SE in the afternoon. Winds could gust as high as 25 kt. Scattered showers. Seas 13 to 15 ft.
Monday Night
ESE wind 5 to 10 kt becoming NE after midnight. Scattered showers. Seas 11 to 12 ft.
Tuesday
NW wind 10 to 20 kt. Scattered showers. Seas around 10 ft.
Tuesday Night
NW wind 10 to 15 kt becoming W after midnight. Scattered showers. Seas 10 to 11 ft.
Wednesday
Variable winds 5 kt or less. Scattered showers before 9am. Seas 7 to 9 ft.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 5 to 6 ft.
Thanksgiving Day
Variable winds less than 5 kt becoming N 10 to 15 kt in the morning. A chance of rain after 9am. Seas 4 to 5 ft.
Thursday Night
N wind 15 to 20 kt. A chance of rain. Seas 4 ft building to 10 ft.
Friday
N wind 20 to 25 kt. A chance of rain. Seas 10 ft building to 15 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: 3:12 am AKST Nov 24, 2025
Forecast Valid: 3am AKST Nov 24, 2025-6pm AKST Nov 30, 2025
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