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Juneau, AK Local Forecast Office

4NM ESE Grindall Island AK

Marine Point Forecast

[NOTICE]

Today
High: 51 °F
⇑S 15kt
2-3ft
Tonight
Low: 46 °F
S 10kt
2ft
Sunday
High: 49 °F
SE 10kt
1-2ft
Sunday Night
Low: 43 °F
Light Wind
1ft
Monday
High: 48 °F
Light Wind
< 1ft
Monday Night
Low: 44 °F
SE 10kt
1-2ft
Tuesday
High: 51 °F
SE 25kt
3-5ft
Tuesday Night
Low: 47 °F
SSE 30kt
8-9ft
Wednesday
High: 50 °F
S 20kt
4-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:37 am AKDT Oct 17, 2026
Forecast Valid: 7am AKDT Oct 17, 2026-6pm AKDT Oct 23, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 990mb low located 120nm SE of Cape Suckling extends a front front into the coastal panhandle through Saturday afternoon as it weakens and moves towards Yakutat Bay. Southerly moderate to fresh breezes develop through Saturday within the inner channels, southwesterly fresh to strong breezes across the central and southern Gulf coast, and easterly strong breeze to near gales across the northern Gulf coast from the Fairweather Grounds to Icy Bay becoming lighter and variable into the afternoon. Broad west to southwesterly winds develop across the Gulf by Sunday morning, with predominate southerly within the inner channels.

Today

Variable winds less than 5 kt becoming S 10 to 15 kt in the morning. Showers. Seas 2 to 3 ft.

Tonight

S wind around 10 kt. Showers. Seas around 2 ft.

Sunday

SE wind 5 to 10 kt. Showers. Seas 1 to 2 ft.

Sunday Night

Variable winds 5 kt or less. Showers likely, mainly before 10pm. Seas around 1 ft.

Monday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Monday Night

SE wind 5 to 10 kt. Rain likely, mainly after 10pm. Seas 1 to 2 ft.

Tuesday

SE wind 15 to 25 kt, with gusts as high as 35 kt. Rain. Seas 3 to 5 ft.

Tuesday Night

SSE wind 25 to 30 kt, with gusts as high as 40 kt. Rain. Seas 8 to 9 ft.

Wednesday

S wind 15 to 20 kt. Rain. Seas 4 to 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.