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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind around 15 kt. Cloudy. Seas 2 to 3 ft.

      High: 45 °F

      E 15kt
      2-3ft

    • Tonight

      Tonight:E wind around 15 kt. A chance of rain, mainly after 4am.   Seas around 3 ft.

      Low: 42 °F

      E 15kt
      3ft

    • Tuesday

      Tuesday:E wind around 20 kt. A chance of rain, mainly after 4pm.   Seas 4 to 5 ft.

      High: 46 °F

      E 20kt
      4-5ft

    • Tuesday Night

      Tuesday Night:SE wind 10 to 15 kt. Rain likely, mainly after 10pm.   Seas 4 to 5 ft.

      Low: 42 °F

      SE 15kt
      4-5ft

    • Wednesday

      Wednesday:E wind around 10 kt. Rain likely, mainly before 10am.   Seas around 4 ft.

      High: 47 °F

      E 10kt
      4ft

    • Wednesday Night

      Wednesday Night:WSW wind 5 to 10 kt increasing to 15 to 20 kt in the evening. Mostly cloudy. Seas around 5 ft.

      Low: 42 °F

      ⇑WSW 20kt
      5ft

    • Thursday

      Thursday:SW wind around 20 kt, with gusts as high as 25 kt. Cloudy. Seas 3 to 4 ft.

      High: 46 °F

      SW 20kt
      3-4ft

    • Thursday Night

      Thursday Night:SW wind around 20 kt. Showers likely.   Seas around 3 ft.

      Low: 42 °F

      SW 20kt
      3ft

    • Friday

      Friday:SW wind around 20 kt. Showers likely.   Seas 3 to 4 ft.

      High: 45 °F

      SW 20kt
      3-4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:45 am AKDT Jun 22, 2026
Forecast Valid: 9am AKDT Jun 22, 2026-6pm AKDT Jun 28, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 1011 mb low 250 nm SE of Sand Point exits into the Western Gulf 220 nm SE of Chignik at 1013 mb by Mon afternoon. A front gradually dissipates across the western Aleutians and southwestern Bering through Tue morning. A 995 mb North Pacific low moves to 170 nm S of Adak by Wed morning.

Today
E wind around 15 kt. Cloudy. Seas 2 to 3 ft.
Tonight
E wind around 15 kt. A chance of rain, mainly after 4am. Seas around 3 ft.
Tuesday
E wind around 20 kt. A chance of rain, mainly after 4pm. Seas 4 to 5 ft.
Tuesday Night
SE wind 10 to 15 kt. Rain likely, mainly after 10pm. Seas 4 to 5 ft.
Wednesday
E wind around 10 kt. Rain likely, mainly before 10am. Seas around 4 ft.
Wednesday Night
WSW wind 5 to 10 kt increasing to 15 to 20 kt in the evening. Mostly cloudy. Seas around 5 ft.
Thursday
SW wind around 20 kt, with gusts as high as 25 kt. Cloudy. Seas 3 to 4 ft.
Thursday Night
SW wind around 20 kt. Showers likely. Seas around 3 ft.
Friday
SW wind around 20 kt. Showers likely. Seas 3 to 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: 6:45 am AKDT Jun 22, 2026
Forecast Valid: 9am AKDT Jun 22, 2026-6pm AKDT Jun 28, 2026
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