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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]

    • Today

      Today:E wind 15 to 25 kt increasing to 25 to 35 kt in the afternoon. Rain, mainly after 10am. The rain could be heavy at times. Seas 3 ft building to 7 ft.

      High: 42 °F

      ⇑E 35kt
      Waves Building7ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:E wind 35 to 45 kt becoming SSE 25 to 35 kt after midnight. Winds could gust as high as 50 kt. Rain. Seas 15 ft subsiding to 11 ft.

      Low: 37 °F

      E 45kt⇓
      15ftWaves Subsiding

      Gale Warning
      Gale Warning

    • Memorial Day

      Memorial Day:NNW wind 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Rain, mainly before 1pm. Seas around 10 ft.

      High: 42 °F

      ⇑NNW 20kt
      10ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:NW wind 25 to 30 kt. A chance of showers. Seas around 11 ft.

      Low: 38 °F

      NW 30kt
      11ft

    • Tuesday

      Tuesday:WNW wind around 30 kt. A chance of rain before 1pm. Seas 9 to 10 ft.

      High: 41 °F

      WNW 30kt
      9-10ft

    • Tuesday Night

      Tuesday Night:WNW wind 25 to 30 kt. Mostly cloudy. Seas 8 to 9 ft.

      Low: 38 °F

      WNW 30kt
      8-9ft

    • Wednesday

      Wednesday:W wind 25 to 30 kt. Mostly cloudy. Seas 6 to 8 ft.

      High: 42 °F

      W 30kt
      6-8ft

    • Wednesday Night

      Wednesday Night:W wind 15 to 20 kt. A chance of showers. Seas 4 to 5 ft.

      Low: 39 °F

      W 20kt
      4-5ft

    • Thursday

      Thursday:WSW wind around 15 kt. A chance of showers. Seas around 4 ft.

      High: 43 °F

      WSW 15kt
      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 AKDT May 24, 2026
Forecast Valid: 8am AKDT May 24, 2026-6pm AKDT May 30, 2026

View Nearby Observations

Detailed Forecast

...STORM WARNING TODAY...

Synopsis: A 975 mb North Pacific low moves to 195 nm S of Amchitka by this evening then to 105 nm NW of Unalaska Bay by Mon evening.

Today
E wind 15 to 25 kt increasing to 25 to 35 kt in the afternoon. Rain, mainly after 10am. The rain could be heavy at times. Seas 3 ft building to 7 ft.
Tonight
E wind 35 to 45 kt becoming SSE 25 to 35 kt after midnight. Winds could gust as high as 50 kt. Rain. Seas 15 ft subsiding to 11 ft.
Memorial Day
NNW wind 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Rain, mainly before 1pm. Seas around 10 ft.
Monday Night
NW wind 25 to 30 kt. A chance of showers. Seas around 11 ft.
Tuesday
WNW wind around 30 kt. A chance of rain before 1pm. Seas 9 to 10 ft.
Tuesday Night
WNW wind 25 to 30 kt. Mostly cloudy. Seas 8 to 9 ft.
Wednesday
W wind 25 to 30 kt. Mostly cloudy. Seas 6 to 8 ft.
Wednesday Night
W wind 15 to 20 kt. A chance of showers. Seas 4 to 5 ft.
Thursday
WSW wind around 15 kt. A chance of 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: 4:13 am AKDT May 24, 2026
Forecast Valid: 8am AKDT May 24, 2026-6pm AKDT May 30, 2026
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