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Anchorage, AK Local Forecast Office

4NM NNW Cape Merdenhall AK

Marine Point Forecast

[NOTICE]

Saturday
High: 56 °F
Light Wind
1ft
Saturday Night
Low: 48 °F
Light Wind
1ft
Sunday
High: 52 °F
⇑S 20kt
1-2ft
Sunday Night
Low: 49 °F
SSW 25kt
2ft
Monday
High: 53 °F
SSW 25kt
3-4ft
Monday Night
Low: 48 °F
SW 15kt
2ft
Tuesday
High: 53 °F
WSW 20kt
2ft
Tuesday Night
Low: 47 °F
W 15kt
2ft
Wednesday
High: 55 °F
Light Wind
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:06 pm AKDT Jul 31, 2026
Forecast Valid: 2am AKDT Aug 1, 2026-6pm AKDT Aug 7, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1004 mb low 125 nm NW of Dutch Harbor moves to 220 nm NW of Nelson Lagoon at 1006 mb Fri afternoon and then to 185 nm S of Chignik at 1012 mb Sat afternoon. A separate front moves into the western Bering this afternoon.

Saturday

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

Saturday Night

Variable winds 5 kt or less. A chance of rain after 4am. Seas around 1 ft.

Sunday

S wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Rain, mainly after 10am. Seas 1 to 2 ft.

Sunday Night

SSW wind around 25 kt, with gusts as high as 30 kt. Rain. Seas around 2 ft.

Monday

SSW wind 20 to 25 kt. Rain. Seas 3 to 4 ft.

Monday Night

SW wind around 15 kt, with gusts as high as 30 kt. Showers. Seas around 2 ft.

Tuesday

WSW wind around 20 kt, with gusts as high as 30 kt. Showers. Seas around 2 ft.

Tuesday Night

W wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely. Seas around 2 ft.

Wednesday

Variable winds 5 kt or less. A chance of showers. Seas 1 to 2 ft.

*Notices:

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.
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.