National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

For More Weather Information:

Anchorage, AK Local Forecast Office

5NM NW Cape Merdenhall AK

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of rain after 4am. Patchy fog before 10pm. Seas around 1 ft.

      Low: 45 °F

      Light Wind
      1ft

    • Friday

      Friday:E wind around 10 kt. A chance of rain, mainly after 7am. Seas around 1 ft.

      High: 54 °F

      E 10kt
      1ft

    • Friday Night

      Friday Night:ENE wind 5 to 10 kt. Rain likely, mainly before 1am. Seas around 1 ft.

      Low: 48 °F

      ENE 10kt
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of rain before 10am. Seas around 2 ft.

      High: 58 °F

      Light Wind
      2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.

      Low: 49 °F

      Light Wind
      1-2ft

    • Sunday

      Sunday:S wind 5 to 15 kt. Rain likely after 10am. Seas 1 to 2 ft.

      High: 53 °F

      S 15kt
      1-2ft

    • Sunday Night

      Sunday Night:SSW wind 10 to 15 kt, with gusts as high as 25 kt. Showers. Seas 2 to 3 ft.

      Low: 48 °F

      SSW 15kt
      2-3ft

    • Monday

      Monday:SW wind around 10 kt, with gusts as high as 25 kt. Showers. Seas around 3 ft.

      High: 54 °F

      SW 10kt
      3ft

    • Monday Night

      Monday Night:SW wind 10 to 15 kt. Showers likely. Seas around 2 ft.

      Low: 47 °F

      SW 15kt
      2ft


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: 6pm 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. A slight chance of rain after 4am. Patchy fog before 10pm. Seas around 1 ft.
Friday
E wind around 10 kt. A chance of rain, mainly after 7am. Seas around 1 ft.
Friday Night
ENE wind 5 to 10 kt. Rain likely, mainly before 1am. Seas around 1 ft.
Saturday
Variable winds 5 kt or less. A chance of rain before 10am. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 to 2 ft.
Sunday
S wind 5 to 15 kt. Rain likely after 10am. Seas 1 to 2 ft.
Sunday Night
SSW wind 10 to 15 kt, with gusts as high as 25 kt. Showers. Seas 2 to 3 ft.
Monday
SW wind around 10 kt, with gusts as high as 25 kt. Showers. Seas around 3 ft.
Monday Night
SW wind 10 to 15 kt. Showers likely. Seas around 2 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 59.81°N 166.28°W
Last Update: 12:56 pm AKDT Jul 30, 2026
Forecast Valid: 6pm AKDT Jul 30, 2026-6pm AKDT Aug 6, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data