Water Temperature of Nantucket Sound in Nantucket, MA
Current Water Temperature
Measurement Time: Sunday, April 20, 2025, 12:18 PM EDT
Today's Tides
High: April 20, 5:52 AM, 3.21 ft
Low: April 20, 12:13 PM, 0.16 ft
High: April 20, 6:47 PM, 2.35 ft
Temperature Locations
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Local Points of Interest
Nantucket Island; Nantucket Terminal; Head of the Harbor; Atlantic OceanSponsored Content
Station Name: Nantucket Island
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet / 0 meters
Sensor Depth: -2.3 feet / -0.7 meters
Nearest Address:
20 Old N Wharf
Nantucket, MA 02554
Nantucket County
GPS Coordinates: 41.285278, -70.096390
Nearby Water Temperatures
Nantucket Sound, West Yarmouth, MA (17.2 mi)Pleasant Bay, Chatham, MA (28.9 mi)
Childs River, Waquoit Village, MA (30.5 mi)
Woods Hole, Woods Hole, MA (34.0 mi)
Herring River, Wellfleet, MA (44.7 mi)
Atlantic Ocean, New Shoreham, RI (57.9 mi)
Taunton River, Fall River, MA (62.4 mi)
Taunton River, Bridgewater, MA (63.1 mi)
Atlantic Ocean, Provincetown, MA (63.5 mi)
Narragansett Bay, Newport, RI (65.5 mi)
Mill River, Taunton, MA (66.6 mi)
Atlantic Ocean, Nantucket, MA (70.2 mi)
Providence River, Barrington, RI (71.1 mi)
Great Harbor, North Kingstown, RI (71.2 mi)
Providence River, Providence, RI (76.5 mi)
Weather for Nantucket, Massachusetts
Current Weather

Humidity: 47%
Feels Like: 52°F
Wind: NNW 16.3 mph
Wind Gusts: 28.2 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 6.9
Five Day Weather Forecast

Sun
H: 52°F
L: 46°F

Mon
H: 48°F
L: 45°F

Tue
H: 49°F
L: 45°F

Wed
H: 50°F
L: 47°F

Thu
H: 48°F
L: 48°F
Air Quality
Nitrogen Dioxide: 3.52 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 101 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 7:26 PM
Daylight: 13 hrs 33 mins
Moon Transit: 6:28 AM
Moonset: 10:58 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%
Best Times for Fishing or Hunting
Major Periods
5:58 AM - 8:28 AM9:09 PM - 11:39 PM
Minor Periods
10:28 AM - 11:58 AM1:34 AM - 3:04 AM
Action Rating: 3 out of 5
Special Weather Statement issued April 20 at 3:49AM EDT by NWS Boston/Norton MA
Effective: Sun April 20, 2025, 3:49 AM
Expires: Sun April 20, 2025, 7:00 PM
The combination of low relative humidity values between 15 and 30 percent and wind gusts up to 35 mph will create an elevated risk for fire spread. Exercise caution handling any potential ignition sources, including machinery, cigarettes, and matches. Any fires that ignite will have the potential to spread quickly. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire and land management officials.
Special Weather Statement issued April 20 at 3:49AM EDT by NWS Boston/Norton MA
Effective: Sun April 20, 2025, 3:49 AM
Expires: Sun April 20, 2025, 7:00 PM
The combination of low relative humidity values between 15 and 30 percent and wind gusts up to 35 mph will create an elevated risk for fire spread. Exercise caution handling any potential ignition sources, including machinery, cigarettes, and matches. Any fires that ignite will have the potential to spread quickly. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire and land management officials.
Special Weather Statement issued April 20 at 3:49AM EDT by NWS Boston/Norton MA
Effective: Sun April 20, 2025, 3:49 AM
Expires: Sun April 20, 2025, 7:00 PM
The combination of low relative humidity values between 15 and 30 percent and wind gusts up to 35 mph will create an elevated risk for fire spread. Exercise caution handling any potential ignition sources, including machinery, cigarettes, and matches. Any fires that ignite will have the potential to spread quickly. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire and land management officials.
Special Weather Statement issued April 20 at 3:49AM EDT by NWS Boston/Norton MA
Effective: Sun April 20, 2025, 3:49 AM
Expires: Sun April 20, 2025, 7:00 PM
The combination of low relative humidity values between 15 and 30 percent and wind gusts up to 35 mph will create an elevated risk for fire spread. Exercise caution handling any potential ignition sources, including machinery, cigarettes, and matches. Any fires that ignite will have the potential to spread quickly. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire and land management officials.
Special Weather Statement issued April 20 at 3:49AM EDT by NWS Boston/Norton MA
Effective: Sun April 20, 2025, 3:49 AM
Expires: Sun April 20, 2025, 7:00 PM
The combination of low relative humidity values between 15 and 30 percent and wind gusts up to 35 mph will create an elevated risk for fire spread. Exercise caution handling any potential ignition sources, including machinery, cigarettes, and matches. Any fires that ignite will have the potential to spread quickly. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire and land management officials.
Weather Forecast
Average Temperature: 49.8°F
Average Humidity: 77%
Wind: 26.2 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 4.63 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 101.08 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 7:26 PM
Daylight: 13 hrs 33 mins
Moon Transit: 6:28 AM
Moonset: 10:58 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%
Best Times for Fishing or Hunting
Major Periods
5:58 AM - 8:28 AM9:09 PM - 11:39 PM
Minor Periods
10:28 AM - 11:58 AM1:34 AM - 3:04 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 45.9°F
Average Humidity: 61%
Wind: 16.3 mph
UV Index: 1.8
Air Quality
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 89 μg/m3
Astronomical
Sun Transit: 12:39 AM
Sunset: 7:27 PM
Daylight: 13 hrs 36 mins
Moon Transit: 7:20 AM
Moonset: 12:08 AM
Moon Phase: Last Quarter
Moon Illumination: 27.2%
Best Times for Fishing or Hunting
Major Periods
6:50 AM - 9:20 AM12:00 AM - 12:00 AM
Minor Periods
11:38 AM - 1:08 PM2:11 AM - 3:41 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 47.4°F
Average Humidity: 93%
Wind: 24.8 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 0.83 μg/m3
Sulphur Dioxide: 0.87 μg/m3
Ozone: 96.64 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 7:28 PM
Daylight: 13 hrs 38 mins
Moon Transit: 8:12 AM
Moonset: 1:21 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%
Best Times for Fishing or Hunting
Major Periods
7:42 AM - 10:12 AM12:00 AM - 12:00 AM
Minor Periods
12:51 AM - 2:21 PM2:42 AM - 4:12 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 48.7°F
Average Humidity: 73%
Wind: 15.4 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 96.6 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 7:29 PM
Daylight: 13 hrs 41 mins
Moon Transit: 9:01 AM
Moonset: 2:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%
Best Times for Fishing or Hunting
Major Periods
8:31 AM - 11:01 AM12:00 AM - 12:00 AM
Minor Periods
2:06 PM - 3:36 PM3:09 AM - 4:39 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 48°F
Average Humidity: 79%
Wind: 13.9 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 4.41 μg/m3
Sulphur Dioxide: 2.09 μg/m3
Ozone: 87.54 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 7:30 PM
Daylight: 13 hrs 44 mins
Moon Transit: 9:50 AM
Moonset: 3:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:20 AM - 11:50 AM
Minor Periods
3:21 PM - 4:51 PM3:33 AM - 5:03 AM
Action Rating: 2 out of 5