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Anchorage, AK Local Forecast Office

27NM SW Seguam Island AK

Marine Point Forecast

[NOTICE]

    • Friday

      Friday:NW wind 10 to 20 kt. A chance of rain, mainly before 7am. Seas 1 ft or less.

      High: 52 °F

      NW 20kt
      < 1ft

    • Friday Night

      Friday Night:NW wind 15 to 20 kt. A slight chance of rain after 4am. Seas 1 ft or less.

      Low: 46 °F

      NW 20kt
      < 1ft

    • Saturday

      Saturday:WNW wind 5 to 10 kt becoming WSW in the afternoon. A chance of rain, mainly after 4pm. Seas 1 ft or less.

      High: 56 °F

      WNW 10kt
      < 1ft

    • Saturday Night

      Saturday Night:WSW wind around 15 kt. A chance of rain before 7pm, then a chance of showers between 7pm and 1am. Seas 1 ft or less.

      Low: 46 °F

      WSW 15kt
      < 1ft

    • Sunday

      Sunday:WSW wind 15 to 20 kt. Partly sunny. Seas 1 ft or less.

      High: 60 °F

      WSW 20kt
      < 1ft

    • Sunday Night

      Sunday Night:SW wind 20 to 25 kt, with gusts as high as 35 kt. Rain likely, mainly after 4am. Seas 1 ft or less.

      Low: 49 °F

      SW 25kt
      < 1ft

    • Monday

      Monday:SW wind 20 to 30 kt, with gusts as high as 40 kt. Showers likely. Seas 1 ft or less.

      High: 61 °F

      SW 30kt
      < 1ft

    • Monday Night

      Monday Night:WSW wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers. Seas 1 ft or less.

      Low: 53 °F

      WSW 20kt
      < 1ft

    • Tuesday

      Tuesday:W wind around 10 kt. A chance of showers. Seas 1 ft or less.

      High: 57 °F

      W 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:25 pm AKDT Jul 30, 2026
Forecast Valid: 2am AKDT Jul 31, 2026-6pm AKDT Aug 6, 2026

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Detailed Forecast


Synopsis: A 1005 mb low 100 nm SW of Shemya moves to 75 nm SE of St George at 1007 mb Fri afternoon. Its front moves through the Aleutians reaching the Mainland Fri evening. A ridge of high pressure moves in behind the low.

Friday
NW wind 10 to 20 kt. A chance of rain, mainly before 7am. Seas 1 ft or less.
Friday Night
NW wind 15 to 20 kt. A slight chance of rain after 4am. Seas 1 ft or less.
Saturday
WNW wind 5 to 10 kt becoming WSW in the afternoon. A chance of rain, mainly after 4pm. Seas 1 ft or less.
Saturday Night
WSW wind around 15 kt. A chance of rain before 7pm, then a chance of showers between 7pm and 1am. Seas 1 ft or less.
Sunday
WSW wind 15 to 20 kt. Partly sunny. Seas 1 ft or less.
Sunday Night
SW wind 20 to 25 kt, with gusts as high as 35 kt. Rain likely, mainly after 4am. Seas 1 ft or less.
Monday
SW wind 20 to 30 kt, with gusts as high as 40 kt. Showers likely. Seas 1 ft or less.
Monday Night
WSW wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers. Seas 1 ft or less.
Tuesday
W wind around 10 kt. A chance of showers. Seas 1 ft or less.

*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: 52.09°N 173.09°W
Last Update: 10:25 pm AKDT Jul 30, 2026
Forecast Valid: 2am AKDT Jul 31, 2026-6pm AKDT Aug 6, 2026
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