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Nantucket MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:37 pm 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 16 to 18 kt, with gusts as high as 27 kt. A chance of rain. Seas 5 to 6 ft.

Tonight

N wind 9 to 13 kt, with gusts as high as 22 kt. Mostly cloudy. Seas 4 to 5 ft.

Saturday

NNW wind around 12 kt becoming WNW in the afternoon. Partly sunny. Seas 3 to 4 ft.

Saturday Night

NW wind 12 to 14 kt. Mostly cloudy. 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.