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Juneau, AK Local Forecast Office

7NM NW Harbor Island AK

Marine Point Forecast

[NOTICE]

Saturday
High: 44 °F
NNE 15kt
2-3ft
Saturday Night
Low: 39 °F
N 15kt
2-3ft
Sunday
High: 43 °F
SSE 10kt
1-2ft
Sunday Night
Low: 40 °F
ESE 15kt
2-3ft
Monday
High: 43 °F
SE 15kt
3ft
Monday Night
Low: 40 °F
SE 20kt
3-4ft
Tuesday
High: 45 °F
N 15kt
2-3ft
Tuesday Night
Low: 42 °F
NNE 15kt
3ft
Veterans Day
High: 45 °F
NNE 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:28 am AKST Nov 7, 2026
Forecast Valid: 4am AKST Nov 7, 2026-6pm AKST Nov 13, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A weakening area of low pressure near Cape Suckling will move NW into Prince William Sound Saturday morning. A gale force low will develop over the north Pacific and move to just west of Haida Gwaii Saturday...bringing increased winds and seas to the southern Alaska Panhandle and Dixon Entrance region early in the weekend. Another stronger area of low pressure...potentially strengthening to storm force...will move from the north Pacific into the central Gulf of Alaska on Monday.

Saturday

SE wind 10 to 15 kt becoming N in the afternoon. A chance of showers before 9am, then a slight chance of rain after 3pm. Seas 2 to 3 ft.

Saturday Night

N wind 10 to 15 kt. Rain, mainly after 9pm. Seas 2 to 3 ft.

Sunday

N wind 5 to 10 kt becoming SSE in the afternoon. Rain. Seas 1 to 2 ft.

Sunday Night

ESE wind 10 to 15 kt. Rain, mainly after 3am. Seas 2 to 3 ft.

Monday

N wind around 15 kt becoming SE in the afternoon. Rain. Seas around 3 ft.

Monday Night

SE wind 15 to 20 kt becoming NE after midnight. Rain. Seas 3 to 4 ft.

Tuesday

N wind 10 to 15 kt becoming ESE in the morning. Rain. Seas 2 to 3 ft.

Tuesday Night

ESE wind around 15 kt becoming NNE after midnight. Rain. Seas around 3 ft.

Veterans Day

NNE wind 10 to 15 kt becoming E in the afternoon. Rain. Seas 2 to 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.