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Nantucket, MA Marine Weather Forecast

Station NTKM3 - 8449130 - Nantucket Island, MA

April 1, 2026 12:48 am EDT
Location: 41.285N 70.096W
Wind Direction: SSW (210°)
Wind Speed: 8.9 knots
Wind Gust: 15.9 knots
Atmospheric Pressure: 29.96 in (1014.5 mb)
Water Temperature: 46.9°F (8.3°C)


Overnight - 46°F
Apr 01, 2026
20 mph SW
Patchy Fog
Patchy fog before 5am. Mostly cloudy, with a low around 46. Southwest wind around 20 mph, with gusts as high as 32 mph.
Wednesday - 51°F
Apr 01, 2026
10 to 20 mph SW
Patchy Fog
Patchy fog before 8am, then patchy fog and a slight chance of rain showers between 9am and 1pm, then rain showers likely and patchy fog. Mostly cloudy, with a high near 51. Southwest wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 39°F
Apr 01, 2026
6 to 14 mph NE
Rain Showers
Rain showers and patchy fog. Cloudy, with a low around 39. Northeast wind 6 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday - 43°F
Apr 02, 2026
16 mph NE
Rain Showers Likely
Rain showers likely and patchy fog. Cloudy, with a high near 43. Northeast wind around 16 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night - 38°F
Apr 02, 2026
6 to 13 mph E
Chance Rain Showers then Cloudy
A chance of rain showers and patchy fog before 9pm. Cloudy, with a low around 38. East wind 6 to 13 mph. Chance of precipitation is 30%.
Friday - 51°F
Apr 03, 2026
6 to 14 mph S
Mostly Cloudy
Mostly cloudy, with a high near 51. South wind 6 to 14 mph.
Friday Night - 44°F
Apr 03, 2026
14 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 44. Southwest wind around 14 mph, with gusts as high as 24 mph.
Saturday - 51°F
Apr 04, 2026
8 to 12 mph SW
Partly Sunny
Partly sunny, with a high near 51. Southwest wind 8 to 12 mph.
Saturday Night - 42°F
Apr 04, 2026
8 to 12 mph SE
Mostly Cloudy
Mostly cloudy, with a low around 42. Southeast wind 8 to 12 mph.
Sunday - 54°F
Apr 05, 2026
13 to 18 mph S
Chance Rain Showers
A chance of rain showers after 9am. Partly sunny, with a high near 54. South wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday Night - 39°F
Apr 05, 2026
12 to 17 mph SW
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 39. Southwest wind 12 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday - 48°F
Apr 06, 2026
8 to 12 mph W
Chance Rain Showers then Mostly Sunny
A chance of rain showers before 10am. Mostly sunny, with a high near 48. West wind 8 to 12 mph. Chance of precipitation is 40%.
Monday Night - 37°F
Apr 06, 2026
8 mph NW
Mostly Clear
Mostly clear, with a low around 37. Northwest wind around 8 mph.
Tuesday - 45°F
Apr 07, 2026
9 mph NE
Mostly Sunny
Mostly sunny, with a high near 45. Northeast wind around 9 mph.

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