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Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:S wind around 25 kt. Partly sunny. Seas around 6 ft.

      High: 40 °F

      S 25kt
      6ft

    • Tonight

      Tonight:S wind around 25 kt. Isolated showers. Seas around 5 ft.

      Low: 38 °F

      S 25kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:SSE wind around 20 kt. Isolated showers before 3pm. Seas 4 to 5 ft.

      High: 40 °F

      SSE 20kt
      4-5ft

    • Thursday Night

      Thursday Night:SSE wind around 20 kt. Mostly cloudy. Seas around 5 ft.

      Low: 37 °F

      SSE 20kt
      5ft

    • Friday

      Friday:SSE wind 20 to 25 kt. Mostly cloudy. Seas around 5 ft.

      High: 38 °F

      SSE 25kt
      5ft

    • Friday Night

      Friday Night:SE wind around 25 kt. Cloudy. Seas around 6 ft.

      Low: 37 °F

      SE 25kt
      6ft

    • Saturday

      Saturday:E wind 20 to 25 kt. A chance of rain before noon, then a chance of rain after 3pm. Seas 5 to 6 ft.

      High: 39 °F

      E 25kt
      5-6ft

    • Saturday Night

      Saturday Night:E wind 15 to 20 kt becoming NE after midnight. Winds could gust as high as 25 kt. A chance of rain. Seas around 5 ft.

      Low: 37 °F

      E 20kt
      5ft

    • Sunday

      Sunday:NNE wind 10 to 15 kt. A chance of rain. Seas 5 ft building to 10 ft.

      High: 40 °F

      NNE 15kt
      Waves Building10ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:51 pm AKST Jan 21, 2026
Forecast Valid: 3pm AKST Jan 21, 2026-6pm AKST Jan 27, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING THURSDAY NIGHT...

Synopsis: A 976 mb low 310 nm NW of Attu continues toward Kamchatka Peninsula through Thu morning. A 982 mb N Pacific low reaches 130 nm by Fri afternoon at 970 mb. Its front reaches the western Aleutians Thu afternoon. Another weak front reaches the Alaska Peninsula Fri afternoon.

This Afternoon
S wind around 25 kt. Partly sunny. Seas around 6 ft.
Tonight
S wind around 25 kt. Isolated showers. Seas around 5 ft.
Thursday
SSE wind around 20 kt. Isolated showers before 3pm. Seas 4 to 5 ft.
Thursday Night
SSE wind around 20 kt. Mostly cloudy. Seas around 5 ft.
Friday
SSE wind 20 to 25 kt. Mostly cloudy. Seas around 5 ft.
Friday Night
SE wind around 25 kt. Cloudy. Seas around 6 ft.
Saturday
E wind 20 to 25 kt. A chance of rain before noon, then a chance of rain after 3pm. Seas 5 to 6 ft.
Saturday Night
E wind 15 to 20 kt becoming NE after midnight. Winds could gust as high as 25 kt. A chance of rain. Seas around 5 ft.
Sunday
NNE wind 10 to 15 kt. A chance of rain. Seas 5 ft building to 10 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: 2:51 pm AKST Jan 21, 2026
Forecast Valid: 3pm AKST Jan 21, 2026-6pm AKST Jan 27, 2026
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