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Anchorage, AK Local Forecast Office

5NM S Chiswell Islands AK

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. A chance of rain. Seas around 2 ft.

      High: 55 °F

      Light Wind
      2ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of rain, mainly before 10pm. Seas around 2 ft.

      Low: 53 °F

      Light Wind
      2ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Seas around 3 ft.

      High: 57 °F

      Light Wind
      3ft

    • Wednesday Night

      Wednesday Night:WSW wind 5 to 10 kt becoming NNW after midnight. Mostly clear. Seas 2 to 3 ft.

      Low: 54 °F

      NNW 10kt
      2-3ft

    • Thursday

      Thursday:NNW wind 5 to 10 kt becoming WNW in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      High: 57 °F

      NNW 10kt
      2-3ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Rain likely, mainly after 1am. Seas 2 to 3 ft.

      Low: 53 °F

      Light Wind
      2-3ft

    • Friday

      Friday:E wind 5 to 10 kt becoming NE in the afternoon. Rain. Seas 2 to 3 ft.

      High: 56 °F

      NE 10kt
      2-3ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers. Seas 4 to 6 ft.

      Low: 53 °F

      Light Wind
      4-6ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of showers. Seas 5 to 6 ft.

      High: 57 °F

      Light Wind
      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: 1:28 pm AKDT Aug 25, 2026
Forecast Valid: 4pm AKDT Aug 25, 2026-6pm AKDT Aug 31, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 1012 mb low develops 30 nm E of Middleton Island by Wed morning and moves to 100 nm SW of Yakutat at 1013 mb Wed afternoon before continuing SE toward the Alaska Panhandle.

This Afternoon
Variable winds 5 kt or less. A chance of rain. Seas around 2 ft.
Tonight
Variable winds 5 kt or less. A chance of rain, mainly before 10pm. Seas around 2 ft.
Wednesday
Variable winds 5 kt or less. Sunny. Seas around 3 ft.
Wednesday Night
WSW wind 5 to 10 kt becoming NNW after midnight. Mostly clear. Seas 2 to 3 ft.
Thursday
NNW wind 5 to 10 kt becoming WNW in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
Variable winds 5 kt or less. Rain likely, mainly after 1am. Seas 2 to 3 ft.
Friday
E wind 5 to 10 kt becoming NE in the afternoon. Rain. Seas 2 to 3 ft.
Friday Night
Variable winds 5 kt or less. A chance of showers. Seas 4 to 6 ft.
Saturday
Variable winds 5 kt or less. A chance of showers. 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: 1:28 pm AKDT Aug 25, 2026
Forecast Valid: 4pm AKDT Aug 25, 2026-6pm AKDT Aug 31, 2026
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