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Anchorage, AK Local Forecast Office

Middleton Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 40 °F
S 30kt
15ft
Tonight
Low: 30 °F
SW 40kt⇓
22ft

Gale Warning
Saturday
High: 32 °F
WSW 20kt
13ft

Small Craft Advisory
Saturday Night
Low: 25 °F
SW 20kt
12ft

Small Craft Advisory
Sunday
High: 32 °F
⇑NE 10kt
7-8ft
Sunday Night
Low: 27 °F
N 15kt
7ft
Monday
High: 30 °F
N 15kt
5-7ft
Monday Night
Low: 24 °F
N 15kt
5ft
Tuesday
High: 28 °F
NNE 20kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:43 pm AKST Mar 6, 2026
Forecast Valid: 4pm AKST Mar 6, 2026-6pm AKDT Mar 12, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING TONIGHT...

Synopsis: A 972 mb low 25 nm SW of Chenega moves over Prince William Sound late Fri evening. A 990 mb N Pac low moves to 210 nm S of Icy Bay by Sat morning before deepening to 984 mb 70 nm SE of Yakutat by Sat afternoon. A 997 mb low develops 65 nm S of Chenega Sun morning.

This Afternoon

S wind around 30 kt, with gusts as high as 35 kt. A chance of showers. Seas around 15 ft.

Tonight

SW wind 35 to 40 kt decreasing to 30 to 35 kt after midnight. Winds could gust as high as 50 kt. A chance of rain and snow showers before 9pm, then snow showers likely after midnight. Seas 17 ft building to 22 ft.

Saturday

WSW wind around 20 kt. Snow showers. Widespread freezing spray after 3pm. Seas 13 ft subsiding to 10 ft.

Saturday Night

SW wind around 20 kt, with gusts as high as 25 kt. Snow showers likely, mainly before midnight. Widespread freezing spray. Seas 9 ft building to 12 ft.

Sunday

Variable winds less than 5 kt becoming NE 5 to 10 kt in the afternoon. A chance of snow showers before noon. Seas 7 to 8 ft.

Sunday Night

N wind 10 to 15 kt. Mostly cloudy. Seas around 7 ft.

Monday

N wind 10 to 15 kt. Partly sunny. Seas 5 to 7 ft.

Monday Night

N wind 10 to 15 kt. A chance of snow. Seas around 5 ft.

Tuesday

NNE wind 15 to 20 kt. A chance of snow. Seas around 5 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.