Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:NW wind 10 to 20 kt. Showers likely, mainly before 3pm.   Seas 9 to 10 ft.

      High: 41 °F

      NW 20kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WNW wind 15 to 20 kt becoming SSE 5 to 10 kt after midnight. Showers likely, mainly before 3am.   Seas 9 to 10 ft.

      Low: 39 °F

      WNW 20kt⇓
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:ESE wind 10 to 15 kt becoming NNE in the afternoon. Scattered showers, mainly before 3pm.   Seas 9 ft subsiding to 6 ft.

      High: 41 °F

      NE 15kt
      9ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:NNE wind 5 to 15 kt. Partly cloudy. Seas 5 to 6 ft.

      Low: 39 °F

      NNE 15kt
      5-6ft

    • Thanksgiving Day

      Thanksgiving Day:NNE wind 10 to 15 kt. Mostly sunny. Seas around 5 ft.

      High: 41 °F

      NNE 15kt
      5ft

    • Thursday Night

      Thursday Night:NE wind 15 to 20 kt increasing to 25 to 30 kt after midnight. Winds could gust as high as 40 kt. Mostly cloudy. Seas 6 to 8 ft.

      Low: 38 °F

      ⇑NE 30kt
      6-8ft

    • Friday

      Friday:NE wind around 30 kt, with gusts as high as 40 kt. A chance of rain after 3pm.   Seas 8 ft building to 14 ft.

      High: 41 °F

      NE 30kt
      Waves Building14ft

    • Friday Night

      Friday Night:NE wind around 30 kt, with gusts as high as 40 kt. A chance of rain.   Seas 14 ft building to 18 ft.

      Low: 38 °F

      NE 30kt
      Waves Building18ft

    • Saturday

      Saturday:NNE wind 30 to 35 kt. A chance of rain.   Seas 17 ft subsiding to 12 ft.

      High: 40 °F

      NNE 35kt
      17ftWaves Subsiding


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 25, 2025
Forecast Valid: 8am AKST Nov 25, 2025-6pm AKST Dec 1, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

Synopsis: A 987 mb low 200 nm S of Atka and a 981 mb low 50 nm E of Unalaska merge with each other 110 nm S of Nikolski Wed afternoon creating a 993 mb low. This low moves to 150 nm S of Unalaska at 997 mb Thu morning. A 997 mb North Pacific low develops along a front Wed afternoon and moves to 50 nm E of Sitkinak Island at 999 mb Thu morning.

Today
NW wind 10 to 20 kt. Showers likely, mainly before 3pm. Seas 9 to 10 ft.
Tonight
WNW wind 15 to 20 kt becoming SSE 5 to 10 kt after midnight. Showers likely, mainly before 3am. Seas 9 to 10 ft.
Wednesday
ESE wind 10 to 15 kt becoming NNE in the afternoon. Scattered showers, mainly before 3pm. Seas 9 ft subsiding to 6 ft.
Wednesday Night
NNE wind 5 to 15 kt. Partly cloudy. Seas 5 to 6 ft.
Thanksgiving Day
NNE wind 10 to 15 kt. Mostly sunny. Seas around 5 ft.
Thursday Night
NE wind 15 to 20 kt increasing to 25 to 30 kt after midnight. Winds could gust as high as 40 kt. Mostly cloudy. Seas 6 to 8 ft.
Friday
NE wind around 30 kt, with gusts as high as 40 kt. A chance of rain after 3pm. Seas 8 ft building to 14 ft.
Friday Night
NE wind around 30 kt, with gusts as high as 40 kt. A chance of rain. Seas 14 ft building to 18 ft.
Saturday
NNE wind 30 to 35 kt. A chance of rain. Seas 17 ft subsiding to 12 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 25, 2025
Forecast Valid: 8am AKST Nov 25, 2025-6pm AKST Dec 1, 2025
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