National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:NNE wind around 20 kt. A chance of rain, mainly before 1am. Seas 6 to 8 ft.

      Low: 38 °F

      NNE 20kt
      6-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:NNE wind 15 to 20 kt. A slight chance of rain before 7am. Seas 6 to 7 ft.

      High: 41 °F

      NNE 20kt
      6-7ft

    • Saturday Night

      Saturday Night:NE wind around 15 kt. Mostly cloudy. Seas around 5 ft.

      Low: 37 °F

      NE 15kt
      5ft

    • Sunday

      Sunday:ENE wind around 10 kt. Partly sunny. Seas around 4 ft.

      High: 42 °F

      ENE 10kt
      4ft

    • Sunday Night

      Sunday Night:NE wind around 10 kt. Partly cloudy. Seas around 3 ft.

      Low: 39 °F

      NE 10kt
      3ft

    • Monday

      Monday:NNE wind around 15 kt. Mostly sunny. Seas around 2 ft.

      High: 42 °F

      NNE 15kt
      2ft

    • Monday Night

      Monday Night:NNE wind around 15 kt, with gusts as high as 30 kt. Partly cloudy. Seas 3 to 4 ft.

      Low: 40 °F

      NNE 15kt
      3-4ft

    • Tuesday

      Tuesday:N wind around 15 kt. Mostly cloudy. Seas 5 to 7 ft.

      High: 43 °F

      N 15kt
      5-7ft

    • Tuesday Night

      Tuesday Night:N wind around 15 kt. Mostly cloudy. Seas 6 to 7 ft.

      Low: 40 °F

      N 15kt
      6-7ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:25 pm AKDT May 29, 2026
Forecast Valid: 11pm AKDT May 29, 2026-6pm AKDT Jun 5, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 1009 mb low roughly 120 nm NW of Unalaska moves to 360 nm SE of Unalaska early Sun morning. High pressure persists over the Bering through Sun morning.

Overnight
NNE wind around 20 kt. A chance of rain, mainly before 1am. Seas 6 to 8 ft.
Saturday
NNE wind 15 to 20 kt. A slight chance of rain before 7am. Seas 6 to 7 ft.
Saturday Night
NE wind around 15 kt. Mostly cloudy. Seas around 5 ft.
Sunday
ENE wind around 10 kt. Partly sunny. Seas around 4 ft.
Sunday Night
NE wind around 10 kt. Partly cloudy. Seas around 3 ft.
Monday
NNE wind around 15 kt. Mostly sunny. Seas around 2 ft.
Monday Night
NNE wind around 15 kt, with gusts as high as 30 kt. Partly cloudy. Seas 3 to 4 ft.
Tuesday
N wind around 15 kt. Mostly cloudy. Seas 5 to 7 ft.
Tuesday Night
N wind around 15 kt. Mostly cloudy. Seas 6 to 7 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: 8:25 pm AKDT May 29, 2026
Forecast Valid: 11pm AKDT May 29, 2026-6pm AKDT Jun 5, 2026
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