Water Temperature of Nantucket Sound in Nantucket, MA

Current Water Temperature

69.1°F

Measurement Time: Wednesday, June 17, 2026, 2:42 PM EDT

Today's Tides

 High: June 17, 2:13 AM, 4.4 ft
Low: June 17, 8:22 AM, -0.5 ft
 High: June 17, 3:03 PM, 3.0 ft
Low: June 17, 8:20 PM, 0.1 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

66.9°F
Sunny
Sunny
66.9°F
76.3°F
71%
SSE 5.1 mph
7.2 mph
72.4°F
59.5°F
0 in
0%
9 mi
1010 mbar
7.3

Five Day Weather Forecast

Sunny
Wed
H: 73°F
L: 59°F
Partly Cloudy
Thu
H: 69°F
L: 60°F
Sunny
Fri
H: 68°F
L: 65°F
Sunny
Sat
H: 68°F
L: 65°F
Sunny
Sun
H: 67°F
L: 64°F

Air Quality

AQI: 1 - Good
PM2.5: 11.6 μg/m3
PM10: 18 μg/m3
Carbon Monoxide: 113 μg/m3
Nitrogen Dioxide: 0.4 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:41 AM
Sunset: 8:16 PM
Daylight: 15 hrs 10 mins
Moonrise: 7:41 AM
Moon Transit: 3:25 PM
Moonset: 10:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
2:55 PM - 5:25 PM

Minor Periods

10:26 PM - 11:56 PM
7:11 AM - 8:41 AM

Action Rating: 3 out of 5

Small Craft Advisory issued June 17 at 3:18AM EDT until June 19 at 1:00AM EDT by NWS Boston/Norton MA

Effective: Wed June 17, 2026, 3:18 AM
Expires: Wed June 17, 2026, 4:30 PM

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...Nantucket Sound and Vineyard Sound. * WHEN...From 11 AM Thursday to 1 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, June 17, 2026

Weather Forecast

Sunny
73°F
59.4°F
65.8°F
73%
0 in
7%
0%
17.9 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 10.22 μg/m3
PM10: 15.85 μg/m3
Carbon Monoxide: 111.13 μg/m3
Nitrogen Dioxide: 0.74 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 89.63 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:41 AM
Sunset: 8:16 PM
Daylight: 15 hrs 10 mins
Moonrise: 7:41 AM
Moon Transit: 3:25 PM
Moonset: 10:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
2:55 PM - 5:25 PM

Minor Periods

10:26 PM - 11:56 PM
7:11 AM - 8:41 AM

Action Rating: 3 out of 5

Thursday, June 18, 2026

Weather Forecast

Partly Cloudy
68.8°F
60.4°F
66.2°F
82%
0 in
12%
0%
34.4 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 9.49 μg/m3
PM10: 14.78 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 0.45 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 92.92 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:41 AM
Sunset: 8:17 PM
Daylight: 15 hrs 10 mins
Moonrise: 9:00 AM
Moon Transit: 4:20 PM
Moonset: 11:26 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

6:09 AM - 8:39 AM
3:50 PM - 6:20 PM

Minor Periods

12:00 AM - 12:00 AM
8:30 AM - 10:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
67.9°F
65.4°F
67.4°F
77%
0 in
9%
0%
27.3 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 9.12 μg/m3
PM10: 13.25 μg/m3
Carbon Monoxide: 127 μg/m3
Nitrogen Dioxide: 2.32 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 94.21 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:41 AM
Sunset: 8:17 PM
Daylight: 15 hrs 10 mins
Moonrise: 10:16 AM
Moon Transit: 5:10 PM
Moonset: 12:26 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
4:40 PM - 7:10 PM

Minor Periods

9:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
67.5°F
64.8°F
66.6°F
72%
0 in
7%
0%
27.7 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 6.1 μg/m3
PM10: 8.82 μg/m3
Carbon Monoxide: 124.76 μg/m3
Nitrogen Dioxide: 2.01 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 83.96 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:42 AM
Sunset: 8:17 PM
Daylight: 15 hrs 10 mins
Moonrise: 11:26 AM
Moon Transit: 5:55 PM
Moonset: 12:52 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

7:47 AM - 10:17 AM
5:25 PM - 7:55 PM

Minor Periods

10:56 AM - 12:26 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 21, 2026

Weather Forecast

Sunny
66.8°F
64.2°F
66°F
71%
0 in
8%
0%
21.5 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 3.73 μg/m3
PM10: 5.66 μg/m3
Carbon Monoxide: 130 μg/m3
Nitrogen Dioxide: 2.52 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 63.56 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:42 AM
Sunset: 8:17 PM
Daylight: 15 hrs 10 mins
Moonrise: 12:34 AM
Moon Transit: 6:39 PM
Moonset: 12:14 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:31 AM - 11:01 AM
6:09 PM - 8:39 PM

Minor Periods

12:04 AM - 1:34 PM
12:00 AM - 12:00 AM

Action Rating: 3 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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