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Juneau, AK Local Forecast Office

6NM W Port Armstrong AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 46 °F
SSE 25kt
13ft

Gale Warning
Tuesday
High: 54 °F
SE 25kt
9-11ft

Gale Warning
Tuesday Night
Low: 48 °F
E 20kt
8-9ft
Veterans Day
High: 53 °F
SSE 20kt⇓
7-8ft
Wednesday Night
Low: 45 °F
Light Wind
5-6ft
Thursday
High: 50 °F
SE 15kt
5-6ft
Thursday Night
Low: 44 °F
ENE 15kt
5-6ft
Friday
High: 51 °F
NE 15kt
5-6ft
Friday Night
Low: 44 °F
ENE 10kt
6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:21 pm AKST Nov 9, 2026
Forecast Valid: 8pm AKST Nov 9, 2026-6pm AKST Nov 16, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 954 mb storm force low is currently moving toward the northern coast driving fresh seas of 30 to 40 ft. Tuesday into Wednesday a series of fronts will move into the eastern Gulf driving multiple rounds of gale force winds and seas of 20 to 25 ft. Late Wednesday winds and seas begin diminishing across the northern coast.

Tonight

SSE wind 20 to 25 kt becoming E after midnight. Winds could gust as high as 35 kt. Rain, mainly after 3am. Seas 13 ft subsiding to 10 ft.

Tuesday

SE wind 20 to 25 kt, with gusts as high as 40 kt. Rain. Seas 9 to 11 ft.

Tuesday Night

E wind around 20 kt, with gusts as high as 35 kt. Rain before 3am, then showers and possibly a thunderstorm after 3am. Seas 8 to 9 ft.

Veterans Day

SSE wind 15 to 20 kt becoming SSW 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Rain. Seas 7 to 8 ft.

Wednesday Night

Variable winds 5 kt or less. Rain. Seas 5 to 6 ft.

Thursday

SE wind 10 to 15 kt. Rain. Seas 5 to 6 ft.

Thursday Night

ENE wind around 15 kt, with gusts as high as 30 kt. Rain, mainly before 3am. Seas 5 to 6 ft.

Friday

NE wind 10 to 15 kt. Rain likely. Seas 5 to 6 ft.

Friday Night

ENE wind around 10 kt. Rain likely. Seas around 6 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.