Water Temperature of Nantucket Sound in Nantucket, MA

Current Water Temperature

55.2°F

Measurement Time: Wednesday, October 21, 2026, 6:54 PM EDT

Today's Tides

Low: October 21, 2:31 AM, 0.6 ft
 High: October 21, 9:05 AM, 2.9 ft
Low: October 21, 2:45 PM, 0.9 ft
 High: October 21, 9:13 PM, 3.1 ft

Temperature Locations

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Local Points of Interest

Nantucket Island; Nantucket Terminal; Head of the Harbor; Atlantic Ocean

Nantucket Sound

Station Name: Nantucket Island
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -2 feet

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 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

53.6°F
Light rain
Conditions: Light rain
Humidity: 87%
Feels Like: 39°F
Wind: NE 34.9 mph
Wind Gusts: 41.4 mph
Pressure: 30.03 in
Precipitation: 0.04 in
Cloud Cover: 100%
Visibility: 5 mi
UV Index: 0

Weather Forecast

Overcast
Wed
H: 56°F
L: 53°F
Overcast
Thu
H: 56°F
L: 53°F
Sunny
Fri
H: 53°F
L: 49°F

Air Quality

PM2.5: 6.8 μg/m3
PM10: 11.3 μg/m3
Carbon Monoxide: 107 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:24 AM
Sunset: 5:50 PM
Daylight: 10 hrs 51 mins
Moonrise: 3:36 PM
Moon Transit: 9:10 PM
Moonset: 1:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.1%

Best Times for Fishing or Hunting

Major Periods

11:02 AM - 1:32 PM
8:40 PM - 11:10 PM

Minor Periods

3:06 PM - 4:36 PM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Wednesday, October 21, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 54.4°F
Average Humidity: 80%
Chance of Rain: 84%
Wind: 35.8 mph
UV Index: 3.3

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:24 AM
Sunset: 5:50 PM
Daylight: 10 hrs 51 mins
Moonrise: 3:36 PM
Moon Transit: 9:10 PM
Moonset: 1:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.1%

Best Times for Fishing or Hunting

Major Periods

11:02 AM - 1:32 PM
8:40 PM - 11:10 PM

Minor Periods

3:06 PM - 4:36 PM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Thursday, October 22, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 54°F
Average Humidity: 82%
Chance of Rain: 85%
Wind: 40 mph
UV Index: 3

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:24 AM
Sunset: 5:49 PM
Daylight: 10 hrs 49 mins
Moonrise: 3:58 PM
Moon Transit: 9:54 PM
Moonset: 2:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.3%

Best Times for Fishing or Hunting

Major Periods

11:46 AM - 2:16 PM
9:24 PM - 11:54 PM

Minor Periods

3:28 PM - 4:58 PM
2:26 AM - 3:56 AM

Action Rating: 2 out of 5

Friday, October 23, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 50°F
Average Humidity: 64%
Chance of Rain: 5%
Wind: 32 mph
UV Index: 3.2

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:24 AM
Sunset: 5:47 PM
Daylight: 10 hrs 46 mins
Moonrise: 4:20 PM
Moon Transit: 6:06 PM
Moonset: 4:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.6%

Best Times for Fishing or Hunting

Major Periods

5:36 PM - 8:06 PM
5:36 PM - 8:06 PM

Minor Periods

3:50 PM - 5:20 PM
3:33 AM - 5:03 AM

Action Rating: 5 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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