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Anchorage, AK Local Forecast Office

Middleton Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 36 °F
WSW 20kt
8ft
Tonight
Low: 29 °F
WSW 15kt
5-7ft
Thursday
High: 37 °F
E 20kt⇓
9ft

Small Craft Advisory
Thursday Night
Low: 35 °F
⇑ESE 25kt
6-7ft

Small Craft Advisory
Friday
High: 40 °F
ESE 45kt⇓
15ft
Friday Night
Low: 29 °F
SW 35kt⇓
21ft
Saturday
High: 33 °F
SW 20kt
18ft
Saturday Night
Low: 26 °F
WSW 20kt
12ft
Sunday
High: 31 °F
WSW 15kt
9ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:11 pm AKST Mar 4, 2026
Forecast Valid: 5pm AKST Mar 4, 2026-6pm AKDT Mar 11, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT...

Synopsis: A 988 mb low 15 nm E of Cape Cleare tracks inland by Wed afternoon. The front of a 994 mb low 170 nm S of Sand Point enters the western Gulf Wed afternoon. Thu morning the low lifts to 25 nm S of Sitkinak Island at 994 mb, and dissipates by the afternoon. The front of a 972 mb North Pacific low sweeps across the Gulf Friday morning, with the low moving onto Kenai Peninsula at 978 mb by Fri afternoon.

This Afternoon

WSW wind around 20 kt. Mostly sunny. Seas around 8 ft.

Tonight

WSW wind 5 to 15 kt becoming SE after midnight. A slight chance of snow after 3am. Seas 5 to 7 ft.

Thursday

E wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Snow likely before 9am, then rain and snow between 9am and noon, then rain likely after noon. Seas 5 ft building to 9 ft.

Thursday Night

SSE wind 10 to 15 kt becoming ESE 20 to 25 kt after midnight. Rain after midnight. The rain could be heavy at times. Seas 6 to 7 ft.

Friday

ESE wind 40 to 45 kt becoming SSW 30 to 35 kt in the afternoon. Rain, mainly before noon, then a chance of showers after noon. The rain could be heavy at times. Seas 10 ft building to 15 ft.

Friday Night

SW wind 30 to 35 kt decreasing to 20 to 25 kt after midnight. Winds could gust as high as 45 kt. A chance of rain and snow showers before 3am, then a chance of snow showers. Seas 16 ft building to 21 ft.

Saturday

SW wind around 20 kt. Snow showers likely, mainly before 9am. Widespread freezing spray after 3pm. Seas 18 ft subsiding to 12 ft.

Saturday Night

WSW wind 15 to 20 kt. Snow likely. Widespread freezing spray before 9pm. Seas 12 ft subsiding to 9 ft.

Sunday

WSW wind 10 to 15 kt becoming N in the afternoon. A chance of snow. Seas around 9 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.