Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

4NM SSE Williamsport AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. A chance of showers.   Seas 1 ft or less.

      Low: 54 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of rain.   Seas 1 ft or less.

      High: 58 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:E wind 15 to 20 kt, with gusts as high as 30 kt. Rain, mainly after 7pm. The rain could be heavy at times.   Seas 1 ft or less.

      Low: 52 °F

      E 20kt
      < 1ft

    • Sunday

      Sunday:E wind around 20 kt, with gusts as high as 30 kt. Rain. The rain could be heavy at times.   Seas 1 ft or less.

      High: 59 °F

      E 20kt
      < 1ft

    • Sunday Night

      Sunday Night:E wind 15 to 20 kt, with gusts as high as 30 kt. Showers, mainly before 1am. The rain could be heavy at times.   Seas 1 ft or less.

      Low: 52 °F

      E 20kt
      < 1ft

    • Monday

      Monday:E wind 5 to 15 kt becoming SSE in the afternoon. Showers likely, mainly before 4pm.   Seas 1 ft or less.

      High: 60 °F

      E 15kt
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Rain likely, mainly after 7pm.   Seas 1 ft or less.

      Low: 49 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Showers likely.   Seas 1 ft or less.

      High: 57 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Showers.   Seas 1 ft or less.

      Low: 48 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:07 pm AKDT Aug 14, 2026
Forecast Valid: 11pm AKDT Aug 14, 2026-6pm AKDT Aug 21, 2026

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Detailed Forecast

...GALE WARNING SATURDAY NIGHT...

Synopsis: A front moves into the southwestern Gulf Sat afternoon and continues to the central Gulf by Sun afternoon.

Overnight
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. A chance of rain. Seas 1 ft or less.
Saturday Night
E wind 15 to 20 kt, with gusts as high as 30 kt. Rain, mainly after 7pm. The rain could be heavy at times. Seas 1 ft or less.
Sunday
E wind around 20 kt, with gusts as high as 30 kt. Rain. The rain could be heavy at times. Seas 1 ft or less.
Sunday Night
E wind 15 to 20 kt, with gusts as high as 30 kt. Showers, mainly before 1am. The rain could be heavy at times. Seas 1 ft or less.
Monday
E wind 5 to 15 kt becoming SSE in the afternoon. Showers likely, mainly before 4pm. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Rain likely, mainly after 7pm. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Showers likely. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. 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: 59.63°N 153.54°W
Last Update: 10:07 pm AKDT Aug 14, 2026
Forecast Valid: 11pm AKDT Aug 14, 2026-6pm AKDT Aug 21, 2026
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