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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

    • Saturday

      Saturday:Variable winds 5 kt or less. Areas of fog. Seas around 1 ft.

      High: 45 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Areas of fog. Seas around 2 ft.

      Low: 42 °F

      Light Wind
      2ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Areas of fog before 1pm. Seas around 2 ft.

      High: 45 °F

      Light Wind
      2ft

    • Sunday Night

      Sunday Night:E wind 10 to 15 kt. Mostly cloudy. Seas around 2 ft.

      Low: 41 °F

      E 15kt
      2ft

    • Monday

      Monday:E wind 15 to 20 kt. Mostly cloudy. Seas 2 to 3 ft.

      High: 45 °F

      E 20kt
      2-3ft

    • Monday Night

      Monday Night:E wind 15 to 20 kt. A chance of showers after 4am. Seas around 3 ft.

      Low: 42 °F

      E 20kt
      3ft

    • Tuesday

      Tuesday:ESE wind around 15 kt. A chance of showers before 10am, then a chance of showers after 4pm. Seas 4 to 5 ft.

      High: 46 °F

      ESE 15kt
      4-5ft

    • Tuesday Night

      Tuesday Night:SE wind 15 to 20 kt. Showers. Seas around 3 ft.

      Low: 42 °F

      SE 20kt
      3ft

    • Wednesday

      Wednesday:SE wind 20 to 25 kt. Showers. Seas around 3 ft.

      High: 46 °F

      SE 25kt
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:04 pm AKDT Jun 19, 2026
Forecast Valid: 2am AKDT Jun 20, 2026-6pm AKDT Jun 26, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A front weakens over the western Aleutians through Sat afternoon. A 1009 mb North Pacific low moves to 130 nm S of Sitkinak at 1015 mb Sun afternoon. Another front moves over the Western Aleutians Sun morning.

Saturday
Variable winds 5 kt or less. Areas of fog. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Areas of fog. Seas around 2 ft.
Sunday
Variable winds 5 kt or less. Areas of fog before 1pm. Seas around 2 ft.
Sunday Night
E wind 10 to 15 kt. Mostly cloudy. Seas around 2 ft.
Monday
E wind 15 to 20 kt. Mostly cloudy. Seas 2 to 3 ft.
Monday Night
E wind 15 to 20 kt. A chance of showers after 4am. Seas around 3 ft.
Tuesday
ESE wind around 15 kt. A chance of showers before 10am, then a chance of showers after 4pm. Seas 4 to 5 ft.
Tuesday Night
SE wind 15 to 20 kt. Showers. Seas around 3 ft.
Wednesday
SE wind 20 to 25 kt. Showers. Seas around 3 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: 9:04 pm AKDT Jun 19, 2026
Forecast Valid: 2am AKDT Jun 20, 2026-6pm AKDT Jun 26, 2026
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