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

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:SE wind around 10 kt. Areas of fog. Seas around 3 ft.

      High: 44 °F

      SE 10kt
      3ft

    • Tonight

      Tonight:E wind around 15 kt. Areas of fog. Seas around 2 ft.

      Low: 41 °F

      E 15kt
      2ft

    • Friday

      Friday:E wind 15 to 20 kt. Areas of fog. Seas around 3 ft.

      High: 44 °F

      E 20kt
      3ft

    • Friday Night

      Friday Night:ENE wind around 15 kt. Patchy fog. Seas around 4 ft.

      Low: 41 °F

      ENE 15kt
      4ft

    • Saturday

      Saturday:ENE wind 10 to 15 kt becoming N in the afternoon. Patchy fog. Seas 3 to 4 ft.

      High: 45 °F

      N 15kt
      3-4ft

    • Saturday Night

      Saturday Night:NNE wind around 20 kt. Partly cloudy. Seas 5 to 6 ft.

      Low: 41 °F

      NNE 20kt
      5-6ft

    • Sunday

      Sunday:N wind around 20 kt. Mostly sunny. Seas around 6 ft.

      High: 44 °F

      N 20kt
      6ft

    • Sunday Night

      Sunday Night:NNW wind around 20 kt. Mostly cloudy. Seas around 6 ft.

      Low: 41 °F

      NNW 20kt
      6ft

    • Monday

      Monday:NW wind 15 to 20 kt. Cloudy. Seas around 5 ft.

      High: 44 °F

      NW 20kt
      5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:47 pm AKDT Jun 11, 2026
Forecast Valid: 4pm AKDT Jun 11, 2026-6pm AKDT Jun 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

Synopsis: A front from a 994 mb Kamchatka low remains stationary over the Western Aleutians and slowly weakens through Sat afternoon. A 991 mb North Pacific low moves to 300 nm SE of Sand Point by Fri afternoon then to 120 nm E of Sand Point at 996 mb by Sat afternoon.

This Afternoon
SE wind around 10 kt. Areas of fog. Seas around 3 ft.
Tonight
E wind around 15 kt. Areas of fog. Seas around 2 ft.
Friday
E wind 15 to 20 kt. Areas of fog. Seas around 3 ft.
Friday Night
ENE wind around 15 kt. Patchy fog. Seas around 4 ft.
Saturday
ENE wind 10 to 15 kt becoming N in the afternoon. Patchy fog. Seas 3 to 4 ft.
Saturday Night
NNE wind around 20 kt. Partly cloudy. Seas 5 to 6 ft.
Sunday
N wind around 20 kt. Mostly sunny. Seas around 6 ft.
Sunday Night
NNW wind around 20 kt. Mostly cloudy. Seas around 6 ft.
Monday
NW wind 15 to 20 kt. Cloudy. Seas around 5 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: 2:47 pm AKDT Jun 11, 2026
Forecast Valid: 4pm AKDT Jun 11, 2026-6pm AKDT Jun 17, 2026
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