Marine Weather Net

Nantucket, MA Weather Forecast


Marine Forecast: Nantucket Sound


Nantucket, Massachusetts

 Lat: 41.28N, Lon: 70.1W

Current Conditions Updated: 653 PM EDT MON MAR 16 2026

Light Rain
Temp: 50°F
  • Humidity:
  • 100%
  • Winds:
  • 22 MPH S
  • Gusts:
  • 32 MPH
  • Barometer:
  • 29.75 in.
  • Dewpoint:
  • 50°F
  • Heat index:
  • 50°F

  • Sunrise:
  • 6:49 AM EDT
  • Sunset:
  • 6:47 PM EDT
  • Moonrise:
  • 5:43 AM EDT
  • Moonset:
  • 4:18 PM EDT

TONIGHT

CHANCE OF T-STORM Precip: 90%

TUESDAY

SUNNY

Lo: 29°F
Precip: 50%

WEDNESDAY

MOSTLY SUNNY
Hi: 35°F
Lo: 30°F

THURSDAY

MOSTLY SUNNY
Hi: 39°F
Lo: 39°F
Weather Forecast In Detail:
Forecast Issued: 406 PM EDT Mon Mar 16 2026

HIGH WIND WARNING IN EFFECT UNTIL 6 AM EDT TUESDAY
Tonight...Rain with a slight chance of thunderstorms. Patchy dense fog. Visibility one quarter mile or less at Times. Very windy with lows in the mid 30s. South winds 30 to 40 mph with gusts up to 60 mph. Chance of rain 90 percent.
Tuesday...Mostly cloudy with a chance of rain in the morning, then sunny in the afternoon. Patchy fog in the morning. Windy, cooler with highs in the lower 40s. Southwest winds 20 to 30 mph. Gusts up to 45 mph, Decreasing to 35 mph in the afternoon. Chance of rain 50 percent.
Tuesday Night...Partly cloudy in the evening, then becoming mostly clear. Brisk with lows in the upper 20s. West winds 15 to 25 mph.
Wednesday...Mostly sunny. Cold with highs in the mid 30s. West winds 10 to 15 mph.
Wednesday Night...Mostly cloudy. Near steady temperature in the lower 30s. South winds around 5 mph.
Thursday...Mostly sunny. Highs in the upper 30s.
Thursday Night...Mostly cloudy. Near steady temperature in the upper 30s.
Friday...Mostly sunny. Highs in the lower 40s.
Friday Night...Mostly cloudy with a 40 percent chance of rain showers. Lows in the mid 30s. Highs in the lower 40s.
Saturday...Mostly cloudy with a 40 percent chance of rain showers. Lows in the mid 30s. Highs in the lower 40s.
Sunday And Sunday Night...Mostly cloudy. A 30 percent chance of rain showers. Highs in the lower 40s. Lows in the lower 30s.
Monday...Partly sunny. Highs in the lower 40s.
SHARE THIS PAGE: