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11NM SW Nantucket MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:12 am EDT Apr 12, 2026
Forecast Valid: 5am EDT Apr 12, 2026-6pm EDT Apr 18, 2026

Today

N wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Increasing clouds. Seas around 3 ft.

Tonight

S wind 11 to 16 kt, with gusts as high as 24 kt. Mostly cloudy. Seas 2 to 3 ft.

Monday

SW wind 21 to 24 kt, with gusts as high as 31 kt. Patchy fog after 1pm. Seas 5 ft building to 7 ft.

Monday Night

SW wind 18 to 22 kt, with gusts as high as 28 kt. Isolated showers before 2am. Patchy fog before 9pm. Seas 7 to 8 ft.

Tuesday

SW wind around 12 kt. Mostly sunny. Seas 4 to 5 ft.

Tuesday Night

SW wind around 16 kt. Mostly cloudy. Seas around 4 ft.

Wednesday

SW wind around 13 kt. Mostly sunny. Seas around 3 ft.

Wednesday Night

SW wind 11 to 13 kt. A chance of showers. Seas 3 to 4 ft.

Thursday

SSW wind around 14 kt. Partly sunny. Seas around 4 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.