HomeForecastsMassachusetts ForecastsNantucket, MA Marine Weather

Nantucket, MA Marine Weather Forecast

Station NTKM3 - 8449130 - Nantucket Island, MA

December 5, 2025 2:18 am EST
Location: 41.285N 70.096W
Wind Direction: NNW (330°)
Wind Speed: 11.1 knots
Wind Gust: 19.0 knots
Atmospheric Pressure: 30.25 in (1024.5 mb)
Water Temperature: 42.1°F (5.6°C)


Overnight - 21°F
Dec 05, 2025
10 to 14 mph N
Mostly Cloudy
Mostly cloudy, with a low around 21. North wind 10 to 14 mph.
Friday - 36°F
Dec 05, 2025
6 to 9 mph SW
Mostly Cloudy
Mostly cloudy, with a high near 36. Southwest wind 6 to 9 mph.
Friday Night - 30°F
Dec 05, 2025
6 mph SE
Partly Cloudy
Partly cloudy. Low around 30, with temperatures rising to around 36 overnight. Southeast wind around 6 mph.
Saturday - 46°F
Dec 06, 2025
5 to 9 mph S
Chance Light Rain
A chance of rain after 9am. Partly sunny, with a high near 46. South wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night - 34°F
Dec 06, 2025
7 to 10 mph W
Slight Chance Light Rain then Mostly Cloudy
A slight chance of rain before 9pm. Mostly cloudy, with a low around 34. West wind 7 to 10 mph. Chance of precipitation is 20%.
Sunday - 43°F
Dec 07, 2025
6 to 10 mph N
Partly Sunny
Partly sunny, with a high near 43. North wind 6 to 10 mph.
Sunday Night - 28°F
Dec 07, 2025
5 to 13 mph S
Chance Light Rain
A chance of rain after 8pm. Mostly cloudy, with a low around 28. South wind 5 to 13 mph. Chance of precipitation is 40%.
Monday - 40°F
Dec 08, 2025
14 to 20 mph NW
Slight Chance Light Snow
A chance of rain before 11am, then a slight chance of snow between 11am and 3pm. Partly sunny, with a high near 40. Northwest wind 14 to 20 mph. Chance of precipitation is 40%.
Monday Night - 23°F
Dec 08, 2025
8 to 17 mph NW
Partly Cloudy
Partly cloudy, with a low around 23. Northwest wind 8 to 17 mph.
Tuesday - 44°F
Dec 09, 2025
7 to 13 mph W
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 5pm. Partly sunny, with a high near 44. West wind 7 to 13 mph.
Tuesday Night - 35°F
Dec 09, 2025
14 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 35. Southwest wind around 14 mph. Chance of precipitation is 50%.
Wednesday - 51°F
Dec 10, 2025
14 mph SW
Mostly Cloudy then Chance Light Rain
A chance of rain after 1pm. Mostly cloudy, with a high near 51. Southwest wind around 14 mph. Chance of precipitation is 30%.
Wednesday Night - 40°F
Dec 10, 2025
13 mph SW
Chance Light Rain
A chance of rain. Cloudy, with a low around 40. Southwest wind around 13 mph. Chance of precipitation is 50%.
Thursday - 48°F
Dec 11, 2025
15 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 48. Southwest wind around 15 mph.

Don't Miss