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Nantucket MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:13 am EST Nov 13, 2026
Forecast Valid: 1pm EST Nov 13, 2026-6pm EST Nov 19, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

This Afternoon

NNE wind around 19 kt, with gusts as high as 35 kt. A chance of rain. Seas around 6 ft.

Tonight

NNE wind 12 to 16 kt, with gusts as high as 33 kt. A slight chance of rain before 8pm. Seas 6 ft subsiding to 4 ft.

Saturday

N wind 11 to 13 kt becoming NW in the afternoon. Partly sunny. Seas 3 to 4 ft.

Saturday Night

NW wind 12 to 14 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 3 ft.

Sunday

NW wind 14 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 3 ft.

Sunday Night

NNW wind 12 to 17 kt. Partly cloudy. Seas around 3 ft.

Monday

NNW wind 10 to 13 kt decreasing to 7 to 10 kt in the afternoon. Sunny. Seas 2 to 3 ft.

Monday Night

NW wind 5 to 7 kt. Mostly clear. Seas 1 to 2 ft.

Tuesday

WNW wind 7 to 10 kt becoming W in the afternoon. Sunny. Seas 1 to 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.