For More Weather Information:

Anchorage, AK Local Forecast Office

42NM NE Castle Cape AK

Marine Point Forecast

[NOTICE]

Today
High: 54 °F
SSE 10kt
< 1ft
Tonight
Low: 48 °F
ESE 10kt
< 1ft
Saturday
High: 55 °F
E 10kt
1ft
Saturday Night
Low: 51 °F
Light Wind
1-2ft
Sunday
High: 58 °F
Light Wind
2ft
Sunday Night
Low: 51 °F
Light Wind
2ft
Monday
High: 55 °F
Light Wind
< 1ft
Monday Night
Low: 50 °F
S 10kt
1ft
Tuesday
High: 55 °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: 7:05 am AKDT Jul 31, 2026
Forecast Valid: 9am AKDT Jul 31, 2026-6pm AKDT Aug 6, 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.

Today

SSE wind 5 to 10 kt. A chance of rain after 1pm. Seas 1 ft or less.

Tonight

ESE wind around 10 kt. Rain, mainly after 7pm. Seas 1 ft or less.

Saturday

E wind around 10 kt. Rain. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. A chance of rain before 1am. Seas 1 to 2 ft.

Sunday

Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

Sunday Night

Variable winds 5 kt or less. Rain, mainly after 4am. Seas around 2 ft.

Monday

Variable winds 5 kt or less. Showers. Seas 1 ft or less.

Monday Night

S wind 5 to 10 kt. Showers. Seas around 1 ft.

Tuesday

Variable winds 5 kt or less. Showers. Seas around 1 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.