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Anchorage, AK Local Forecast Office

9NM SW Port Heiden AK

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy fog after 1am. Seas 1 ft or less.

      Low: 45 °F

      Light Wind
      < 1ft

    • Friday

      Friday:SE wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. A chance of rain, mainly after 1pm. Patchy fog before 1pm. Seas 1 ft or less.

      High: 57 °F

      ⇑SE 15kt
      < 1ft

    • Friday Night

      Friday Night:SE wind 15 to 20 kt. A chance of rain. Seas around 1 ft.

      Low: 49 °F

      SE 20kt
      1ft

    • Saturday

      Saturday:E wind 5 to 10 kt. A chance of rain before 10am. Seas around 2 ft.

      High: 55 °F

      E 10kt
      2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. A chance of rain after 10pm. Seas 1 to 2 ft.

      Low: 49 °F

      Light Wind
      1-2ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of rain before 10am. Seas 1 ft or less.

      High: 55 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Showers, mainly after 4am. Seas 1 ft or less.

      Low: 50 °F

      Light Wind
      < 1ft

    • Monday

      Monday:S wind around 10 kt, with gusts as high as 20 kt. Showers. Seas 1 ft or less.

      High: 56 °F

      S 10kt
      < 1ft

    • Monday Night

      Monday Night:S wind around 15 kt, with gusts as high as 25 kt. Showers. Seas around 1 ft.

      Low: 49 °F

      S 15kt
      1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:56 pm AKDT Jul 30, 2026
Forecast Valid: 9pm AKDT Jul 30, 2026-6pm AKDT Aug 6, 2026

View Nearby Observations

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.

Tonight
Variable winds 5 kt or less. Patchy fog after 1am. Seas 1 ft or less.
Friday
SE wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. A chance of rain, mainly after 1pm. Patchy fog before 1pm. Seas 1 ft or less.
Friday Night
SE wind 15 to 20 kt. A chance of rain. Seas around 1 ft.
Saturday
E wind 5 to 10 kt. A chance of rain before 10am. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. A chance of rain after 10pm. Seas 1 to 2 ft.
Sunday
Variable winds 5 kt or less. A chance of rain before 10am. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Showers, mainly after 4am. Seas 1 ft or less.
Monday
S wind around 10 kt, with gusts as high as 20 kt. Showers. Seas 1 ft or less.
Monday Night
S wind around 15 kt, with gusts as high as 25 kt. Showers. Seas around 1 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: 56.85°N 158.76°W
Last Update: 12:56 pm AKDT Jul 30, 2026
Forecast Valid: 9pm AKDT Jul 30, 2026-6pm AKDT Aug 6, 2026
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