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

Hazardous Weather Conditions

For More Weather Information:

Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:NNW wind around 25 kt. Partly sunny. Seas around 9 ft.

      High: 39 °F

      NNW 25kt
      9ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNW wind around 30 kt. Mostly cloudy. Seas 10 to 11 ft.

      Low: 37 °F

      NNW 30kt
      10-11ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:N wind 25 to 30 kt decreasing to 15 to 20 kt in the afternoon. Mostly sunny. Seas 9 to 11 ft.

      High: 40 °F

      N 30kt⇓
      9-11ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:N wind 10 to 15 kt. Mostly cloudy. Seas 6 to 8 ft.

      Low: 35 °F

      N 15kt
      6-8ft

    • Wednesday

      Wednesday:N wind 5 to 10 kt. Partly sunny. Seas 5 to 6 ft.

      High: 35 °F

      N 10kt
      5-6ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 4 to 5 ft.

      Low: 35 °F

      Light Wind
      4-5ft

    • Thursday

      Thursday:WSW wind 5 to 15 kt. Mostly cloudy. Seas around 5 ft.

      High: 37 °F

      WSW 15kt
      5ft

    • Thursday Night

      Thursday Night:W wind 10 to 15 kt. Mostly cloudy. Seas 4 to 5 ft.

      Low: 37 °F

      W 15kt
      4-5ft

    • Friday

      Friday:WSW wind around 10 kt. Cloudy. Seas around 4 ft.

      High: 41 °F

      WSW 10kt
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:13 am AKST Dec 15, 2025
Forecast Valid: 3pm AKST Dec 15, 2025-6pm AKST Dec 21, 2025

View Nearby Observations

Detailed Forecast

...GALE WARNING THROUGH TUESDAY...

Synopsis: High pressure centered in the western Bering Sea shifts to the central Aleutians through Wed afternoon. A front tracks into the western Bering/Aleutians through Wed afternoon.

This Afternoon
NNW wind around 25 kt. Partly sunny. Seas around 9 ft.
Tonight
NNW wind around 30 kt. Mostly cloudy. Seas 10 to 11 ft.
Tuesday
N wind 25 to 30 kt decreasing to 15 to 20 kt in the afternoon. Mostly sunny. Seas 9 to 11 ft.
Tuesday Night
N wind 10 to 15 kt. Mostly cloudy. Seas 6 to 8 ft.
Wednesday
N wind 5 to 10 kt. Partly sunny. Seas 5 to 6 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 4 to 5 ft.
Thursday
WSW wind 5 to 15 kt. Mostly cloudy. Seas around 5 ft.
Thursday Night
W wind 10 to 15 kt. Mostly cloudy. Seas 4 to 5 ft.
Friday
WSW wind around 10 kt. Cloudy. 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: 52.17°N 171.65°W
Last Update: 4:13 am AKST Dec 15, 2025
Forecast Valid: 3pm AKST Dec 15, 2025-6pm AKST Dec 21, 2025
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