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Anchorage, AK Local Forecast Office

5NM S Chiswell Islands AK

Marine Point Forecast

[NOTICE]

    • Today

      Today:Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

      High: 30 °F

      Light Wind
      2ft

    • Tonight

      Tonight:NNW wind 5 to 15 kt becoming NNE in the evening. A slight chance of snow showers after 10pm. Seas 2 to 3 ft.

      Low: 27 °F

      NNE 15kt
      2-3ft

    • Saturday

      Saturday:NNE wind around 15 kt. Scattered snow showers, mainly after 10am. Widespread freezing spray. Seas 3 to 4 ft.

      High: 29 °F

      NNE 15kt
      3-4ft

    • Saturday Night

      Saturday Night:N wind around 20 kt. Scattered snow showers before 4am. Widespread freezing spray after 10pm. Seas 4 to 5 ft.

      Low: 27 °F

      N 20kt
      4-5ft

    • Sunday

      Sunday:N wind 15 to 20 kt. Scattered snow showers before 1pm. Widespread freezing spray before 1pm. Seas around 3 ft.

      High: 29 °F

      N 20kt
      3ft

    • Sunday Night

      Sunday Night:N wind 15 to 20 kt. Widespread freezing spray. Mostly cloudy. Seas 3 ft building to 6 ft.

      Low: 22 °F

      N 20kt
      Waves Building6ft

    • Monday

      Monday:N wind 25 to 30 kt. Widespread freezing spray. Mostly cloudy. Seas 5 to 7 ft.

      High: 24 °F

      N 30kt
      5-7ft

    • Monday Night

      Monday Night:N wind around 25 kt. Widespread freezing spray. Mostly cloudy. Seas 6 to 7 ft.

      Low: 20 °F

      N 25kt
      6-7ft

    • Tuesday

      Tuesday:NNE wind around 25 kt. Widespread freezing spray. Partly sunny. Seas 5 to 6 ft.

      High: 26 °F

      NNE 25kt
      5-6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:13 am AKDT Mar 13, 2026
Forecast Valid: 10am AKDT Mar 13, 2026-6pm AKDT Mar 19, 2026

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Detailed Forecast


Synopsis: A complex low 150 nm W of Sitka at 1013 mb Fri morning remains stationary as it strengthens to 1010 mb 65 nm S of Chenega by Sun morning.

Today
Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.
Tonight
NNW wind 5 to 15 kt becoming NNE in the evening. A slight chance of snow showers after 10pm. Seas 2 to 3 ft.
Saturday
NNE wind around 15 kt. Scattered snow showers, mainly after 10am. Widespread freezing spray. Seas 3 to 4 ft.
Saturday Night
N wind around 20 kt. Scattered snow showers before 4am. Widespread freezing spray after 10pm. Seas 4 to 5 ft.
Sunday
N wind 15 to 20 kt. Scattered snow showers before 1pm. Widespread freezing spray before 1pm. Seas around 3 ft.
Sunday Night
N wind 15 to 20 kt. Widespread freezing spray. Mostly cloudy. Seas 3 ft building to 6 ft.
Monday
N wind 25 to 30 kt. Widespread freezing spray. Mostly cloudy. Seas 5 to 7 ft.
Monday Night
N wind around 25 kt. Widespread freezing spray. Mostly cloudy. Seas 6 to 7 ft.
Tuesday
NNE wind around 25 kt. Widespread freezing spray. Partly sunny. Seas 5 to 6 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: 59.52°N 149.63°W
Last Update: 8:13 am AKDT Mar 13, 2026
Forecast Valid: 10am AKDT Mar 13, 2026-6pm AKDT Mar 19, 2026
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