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Juneau, AK Local Forecast Office

Gustavus AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 47 °F
Light Wind
1ft
Tonight
Low: 42 °F
ESE 15kt
1-3ft
Thursday
High: 47 °F
E 20kt
3-4ft

Small Craft Advisory
Thursday Night
Low: 38 °F
E 20kt
4ft

Small Craft Advisory
Friday
High: 48 °F
ESE 15kt
3-4ft
Friday Night
Low: 37 °F
SE 15kt
2-4ft
Saturday
High: 45 °F
ESE 10kt
2ft
Saturday Night
Low: 32 °F
NE 10kt
2ft
Sunday
High: 44 °F
ESE 10kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:57 pm AKST Nov 4, 2026
Forecast Valid: 5pm AKST Nov 4, 2026-6pm AKST Nov 11, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THURSDAY MORNING THROUGH LATE THURSDAY

Synopsis: A front continues to move into Canada through tonight, with winds on the downward trend. A storm force low will move into the central gulf from the S on Thursday. Storm force winds with hurricane force gusts will move over the southern panhandle and outer coast Thursday morning and continuing through Thursday evening.

This Afternoon

Variable winds 5 kt or less. A chance of rain. Seas around 1 ft.

Tonight

ESE wind 5 to 15 kt. Rain. Seas 1 to 3 ft.

Thursday

E wind 10 to 20 kt, with gusts as high as 30 kt. Rain, mainly after 9am. Seas 3 to 4 ft.

Thursday Night

E wind 15 to 20 kt, with gusts as high as 35 kt. Rain. Seas around 4 ft.

Friday

ESE wind around 15 kt. Rain. Seas 3 to 4 ft.

Friday Night

SE wind 10 to 15 kt. Rain. Seas 2 to 4 ft.

Saturday

ESE wind around 10 kt becoming NE in the afternoon. Rain likely, mainly before 9am. Seas around 2 ft.

Saturday Night

NE wind around 10 kt becoming E after midnight. Rain likely. Seas around 2 ft.

Sunday

ESE wind around 10 kt. Rain likely. Seas around 2 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.