Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

61.0°F

Measurement Time: Monday, June 8, 2026, 11:30 AM EDT

Temperature Locations

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Local Points of Interest

Atlantic Ocean

Nantucket Sound

Station Name: NANTUCKET SOUND
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
973–1019 Great Island Rd
West Yarmouth, MA 02673
Barnstable County

GPS Coordinates: 41.493, -70.279

Nearby Water Temperatures

Childs River, Waquoit Village, MA (14.3 mi)
Nantucket Sound, Nantucket, MA (17.2 mi)
Woods Hole, Woods Hole, MA (20.4 mi)
Pleasant Bay, Chatham, MA (21.7 mi)
Herring River, Wellfleet, MA (32.2 mi)
Taunton River, Bridgewater, MA (46.4 mi)
Taunton River, Fall River, MA (48 mi)
Atlantic Ocean, Provincetown, MA (49.5 mi)
Mill River, Taunton, MA (50.4 mi)
Narragansett Bay, Newport, RI (54.2 mi)
Atlantic Ocean, New Shoreham, RI (57.1 mi)
Providence River, Barrington, RI (57.1 mi)
Great Harbor, North Kingstown, RI (58.8 mi)
Providence River, Providence, RI (61.9 mi)
Atlantic Ocean, Scituate, MA (62 mi)

Weather for West Yarmouth, Massachusetts

Current Weather

78.1°F
Partly cloudy
Partly cloudy
81.3°F
91.2°F
71%
SW 19.9 mph
26.8 mph
84°F
73.9°F
0 in
50%
9 mi
1015 mbar
6.8

Five Day Weather Forecast

Sunny
Wed
H: 86°F
L: 69°F
Sunny
Thu
H: 82°F
L: 70°F
Sunny
Fri
H: 86°F
L: 74°F
Sunny
Sat
H: 86°F
L: 72°F
Light rain shower
Sun
H: 71°F
L: 68°F

Air Quality

AQI: 1 - Good
PM2.5: 13.4 μg/m3
PM10: 18 μg/m3
Carbon Monoxide: 106 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 12:45 AM
Sunset: 8:19 PM
Daylight: 15 hrs 8 mins
Moonrise: 9:48 PM
Moon Transit: 1:45 AM
Moonset: 6:22 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:15 AM - 3:45 AM
4:23 PM - 6:53 PM

Minor Periods

9:18 PM - 10:48 PM
5:52 AM - 7:22 AM

Action Rating: 3 out of 5

Heat Advisory issued July 1 at 3:14AM EDT until July 4 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 1, 2026, 3:14 AM
Expires: Wed July 1, 2026, 4:15 PM

* WHAT...Heat index values 95 to 105 degrees. The peak of the dangerous heat and humidity will be Thursday and Friday. * WHERE...Barnstable MA and Dukes MA Counties. * WHEN...From 10 AM this morning to 8 PM EDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Wednesday, July 1, 2026

Weather Forecast

Sunny
85.8°F
69.1°F
76°F
78%
0 in
8%
0%
21.5 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 14.17 μg/m3
PM10: 18.83 μg/m3
Carbon Monoxide: 105.25 μg/m3
Nitrogen Dioxide: 2.09 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 12:45 AM
Sunset: 8:19 PM
Daylight: 15 hrs 8 mins
Moonrise: 9:48 PM
Moon Transit: 1:45 AM
Moonset: 6:22 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:15 AM - 3:45 AM
4:23 PM - 6:53 PM

Minor Periods

9:18 PM - 10:48 PM
5:52 AM - 7:22 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
81.9°F
70°F
75.5°F
83%
0.15 in
67%
0%
20.1 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 13.38 μg/m3
PM10: 17.85 μg/m3
Carbon Monoxide: 108.88 μg/m3
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 95.08 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 12:45 AM
Sunset: 8:19 PM
Daylight: 15 hrs 7 mins
Moonrise: 10:16 PM
Moon Transit: 2:33 AM
Moonset: 7:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
5:09 PM - 7:39 PM

Minor Periods

9:46 PM - 11:16 PM
6:56 AM - 8:26 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
85.8°F
74°F
80°F
72%
0.01 in
19%
0%
13.4 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 11.83 μg/m3
PM10: 14.62 μg/m3
Carbon Monoxide: 138.88 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 129.25 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 12:45 AM
Sunset: 8:19 PM
Daylight: 15 hrs 7 mins
Moonrise: 10:39 PM
Moon Transit: 3:19 AM
Moonset: 8:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

2:49 AM - 5:19 AM
5:53 PM - 8:23 PM

Minor Periods

10:09 PM - 11:39 PM
8:02 AM - 9:32 AM

Action Rating: 4 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
85.6°F
72.4°F
78.1°F
75%
0.2 in
69%
0%
14.3 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 8.4 μg/m3
PM10: 9.57 μg/m3
Carbon Monoxide: 146.28 μg/m3
Nitrogen Dioxide: 5.91 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 110.67 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 12:45 AM
Sunset: 8:18 PM
Daylight: 15 hrs 6 mins
Moonrise: 11:01 PM
Moon Transit: 4:03 AM
Moonset: 9:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:33 AM - 6:03 AM
6:36 PM - 9:06 PM

Minor Periods

12:00 AM - 12:00 AM
9:06 AM - 10:36 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Light rain shower
71.4°F
68.3°F
70°F
96%
0.3 in
91%
0%
16.8 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 9.53 μg/m3
PM10: 10.87 μg/m3
Carbon Monoxide: 220.67 μg/m3
Nitrogen Dioxide: 7.99 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 76.78 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 12:45 AM
Sunset: 8:18 PM
Daylight: 15 hrs 5 mins
Moonrise: 12:01 AM
Moon Transit: 4:45 AM
Moonset: 10:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:15 AM - 6:45 AM
7:19 PM - 9:49 PM

Minor Periods

10:12 AM - 11:42 AM
12:00 AM - 12:00 AM

Action Rating: 2 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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