Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:N wind 15 to 20 kt. Mostly cloudy. Seas 6 to 8 ft.

      Low: 35 °F

      N 20kt
      6-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:N wind 5 to 10 kt becoming ENE in the afternoon. Partly sunny. Seas 4 to 5 ft.

      High: 37 °F

      N 10kt
      4-5ft

    • Sunday Night

      Sunday Night:E wind 10 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.

      Low: 36 °F

      E 15kt
      3-4ft

    • Monday

      Monday:NE wind 15 to 20 kt. Mostly cloudy. Seas 4 to 5 ft.

      High: 38 °F

      NE 20kt
      4-5ft

    • Monday Night

      Monday Night:NNE wind 15 to 20 kt. Mostly cloudy. Seas 5 to 6 ft.

      Low: 36 °F

      NNE 20kt
      5-6ft

    • Tuesday

      Tuesday:NE wind 10 to 15 kt. Partly sunny. Seas 5 to 6 ft.

      High: 38 °F

      NE 15kt
      5-6ft

    • Tuesday Night

      Tuesday Night:E wind 15 to 20 kt, with gusts as high as 25 kt. Showers likely, mainly after 4am.   Seas around 5 ft.

      Low: 36 °F

      E 20kt
      5ft

    • Wednesday

      Wednesday:ESE wind 25 to 30 kt. Showers.   Seas 4 to 5 ft.

      High: 40 °F

      ESE 30kt
      4-5ft

    • Wednesday Night

      Wednesday Night:E wind 25 to 30 kt. Showers.   Seas around 4 ft.

      Low: 37 °F

      E 30kt
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:33 pm AKDT May 2, 2026
Forecast Valid: 7pm AKDT May 2, 2026-6pm AKDT May 9, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TONIGHT...

Synopsis: A 1006 mb North Pacific low Sun morning moves to 150 n m SE of Sitkinak Island at 995 mb Mon afternoon. Its front moves to the Alaska Peninsula Sun morning and lingers through Mon afternoon. A 978 mb Kamchatka low moves to 230 nm SW of Shemya at 995 mb Sun evening. This low continues SE into the North Pacific through Mon afternoon.

Tonight
N wind 15 to 20 kt. Mostly cloudy. Seas 6 to 8 ft.
Sunday
N wind 5 to 10 kt becoming ENE in the afternoon. Partly sunny. Seas 4 to 5 ft.
Sunday Night
E wind 10 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.
Monday
NE wind 15 to 20 kt. Mostly cloudy. Seas 4 to 5 ft.
Monday Night
NNE wind 15 to 20 kt. Mostly cloudy. Seas 5 to 6 ft.
Tuesday
NE wind 10 to 15 kt. Partly sunny. Seas 5 to 6 ft.
Tuesday Night
E wind 15 to 20 kt, with gusts as high as 25 kt. Showers likely, mainly after 4am. Seas around 5 ft.
Wednesday
ESE wind 25 to 30 kt. Showers. Seas 4 to 5 ft.
Wednesday Night
E wind 25 to 30 kt. Showers. Seas around 4 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: 3:33 pm AKDT May 2, 2026
Forecast Valid: 7pm AKDT May 2, 2026-6pm AKDT May 9, 2026
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