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Anchorage, AK Local Forecast Office

Middleton Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 44 °F
WSW 10kt
10ft

Small Craft Advisory
Tonight
Low: 42 °F
WSW 15kt
9-10ft

Small Craft Advisory
Thursday
High: 43 °F
WSW 15kt
7-9ft

Small Craft Advisory
Thursday Night
Low: 40 °F
E 10kt
7ft
Friday
High: 41 °F
NNE 10kt
5-7ft
Friday Night
Low: 33 °F
NNE 15kt
4-5ft
Saturday
High: 39 °F
NNE 15kt
7ft
Saturday Night
Low: 32 °F
⇑E 25kt
6-8ft
Sunday
High: 39 °F
E 25kt⇓
11ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:00 am AKST Dec 3, 2025
Forecast Valid: 1pm AKST Dec 3, 2025-6pm AKST Dec 9, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

Synopsis: A front over the northern Gulf Coast slides over Southeast Alaska Wed morning. A 1002 mb North Pacific low lifts into the Western Gulf near 55N 152W Friday morning.

This Afternoon

WSW wind around 10 kt. A chance of rain. Seas around 10 ft.

Tonight

WSW wind around 15 kt. A chance of rain. Seas 9 to 10 ft.

Thursday

WSW wind 10 to 15 kt. A chance of rain. Seas 7 to 9 ft.

Thursday Night

S wind 5 to 10 kt becoming E after midnight. A chance of rain. Seas around 7 ft.

Friday

NNE wind 5 to 10 kt. Rain likely, mainly after 9am. Seas 5 to 7 ft.

Friday Night

NNE wind 10 to 15 kt. Rain. Seas 4 to 5 ft.

Saturday

NNE wind 10 to 15 kt becoming E in the afternoon. Winds could gust as high as 30 kt. Rain before 9am, then rain and snow between 9am and 3pm, then rain likely after 3pm. Seas 4 ft building to 7 ft.

Saturday Night

E wind 10 to 15 kt increasing to 20 to 25 kt after midnight. Rain likely before 3am, then rain and snow. Seas 6 to 8 ft.

Sunday

E wind 20 to 25 kt decreasing to 10 to 15 kt in the morning. Rain and snow. Seas 8 ft building to 11 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.