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Anchorage, AK Local Forecast Office

18NM SE Passage Canal AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 40 °F
Light Wind
2ft
Tonight
Low: 28 °F
NW 10kt
2ft
Saturday
High: 29 °F
NNE 15kt
2-3ft
Saturday Night
Low: 28 °F
NE 25kt
4-6ft

Small Craft Advisory
Sunday
High: 30 °F
NE 15kt
2-3ft
Sunday Night
Low: 25 °F
N 15kt
2-3ft
Monday
High: 29 °F
N 20kt
3-4ft
Monday Night
Low: 18 °F
N 15kt
3ft
Tuesday
High: 23 °F
N 15kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:16 pm AKST Dec 5, 2025
Forecast Valid: 3pm AKST Dec 5, 2025-6pm AKST Dec 11, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

Synopsis: A 994 mb low 90 nm SE of Seward and a 992 mb low 270 nm SE of Kodiak City combine 150 nm E of Kodiak City mid-Sat morning forming a 974 mb low. This low moves to 180 nm SE of Kodiak City at 976 mb Sun afternoon. A series of fronts lift across the Gulf to the northern Gulf Coast through Sun afternoon.

This Afternoon

Variable winds 5 kt or less. A slight chance of snow. Seas around 2 ft.

Tonight

NW wind 5 to 10 kt. A slight chance of snow before 9pm. Seas around 2 ft.

Saturday

NW wind 10 to 15 kt becoming NNE in the afternoon. Winds could gust as high as 30 kt. Snow, mainly after noon. Seas 2 to 3 ft.

Saturday Night

NE wind 20 to 25 kt. Snow, mainly before midnight. Seas 4 to 6 ft.

Sunday

NE wind 5 to 15 kt. Mostly cloudy. Seas 2 to 3 ft.

Sunday Night

N wind 10 to 15 kt. Snow likely after 3am. Widespread freezing spray after 3am. Seas 2 to 3 ft.

Monday

N wind 15 to 20 kt. Snow likely before 9am. Widespread freezing spray before 9am. Seas 3 to 4 ft.

Monday Night

N wind around 15 kt. A chance of snow. Seas around 3 ft.

Tuesday

N wind around 15 kt. A chance of snow. Seas around 3 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.