Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

73.4°F

Measurement Time: Saturday, July 25, 2026, 3:30 PM 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

75°F
Sunny
Sunny
77.4°F
80.3°F
40%
ENE 12.3 mph
15.4 mph
78.8°F
60.4°F
0 in
0%
9 mi
1018 mbar
3.9

Five Day Weather Forecast

Sunny
Sat
H: 80°F
L: 57°F
Sunny
Sun
H: 70°F
L: 58°F
Sunny
Mon
H: 71°F
L: 63°F
Sunny
Tue
H: 74°F
L: 65°F
Partly Cloudy
Wed
H: 70°F
L: 66°F

Air Quality

AQI: 1 - Good
PM2.5: 7.9 μg/m3
PM10: 10 μg/m3
Carbon Monoxide: 104 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 93 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:47 AM
Sunset: 8:06 PM
Daylight: 14 hrs 37 mins
Moonrise: 5:44 PM
Moon Transit: 10:00 PM
Moonset: 1:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:47 AM - 2:17 PM
12:00 AM - 12:00 AM

Minor Periods

5:14 PM - 6:44 PM
12:56 AM - 2:26 AM

Action Rating: 2 out of 5

Rip Current Statement issued July 25 at 1:11PM EDT until July 27 at 8:00AM EDT by NWS Boston/Norton MA

Effective: Sat July 25, 2026, 1:11 PM
Expires: Sun July 26, 2026, 4:15 AM

* WHAT...Dangerous rip currents expected. * WHERE...Barnstable MA County, especially east facing beaches. * WHEN...From 8 PM EDT this evening through Monday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Saturday, July 25, 2026

Weather Forecast

Sunny
80.4°F
57.4°F
68.3°F
71%
0 in
6%
0%
13.4 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 11.9 μg/m3
Carbon Monoxide: 118.88 μg/m3
Nitrogen Dioxide: 4.84 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 80.08 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:47 AM
Sunset: 8:06 PM
Daylight: 14 hrs 37 mins
Moonrise: 5:44 PM
Moon Transit: 10:00 PM
Moonset: 1:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:47 AM - 2:17 PM
12:00 AM - 12:00 AM

Minor Periods

5:14 PM - 6:44 PM
12:56 AM - 2:26 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
70.1°F
57.9°F
66°F
63%
0 in
4%
0%
11.4 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 9.77 μg/m3
PM10: 12.89 μg/m3
Carbon Monoxide: 101.75 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 87.46 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:47 AM
Sunset: 8:05 PM
Daylight: 14 hrs 35 mins
Moonrise: 6:34 PM
Moon Transit: 10:51 PM
Moonset: 2:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 PM
12:00 AM - 12:00 AM

Minor Periods

6:04 PM - 7:34 PM
1:45 AM - 3:15 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
70.6°F
63.1°F
66.7°F
78%
0 in
11%
0%
8.9 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 6.39 μg/m3
PM10: 8.39 μg/m3
Carbon Monoxide: 103 μg/m3
Nitrogen Dioxide: 2.58 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 76.33 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:47 AM
Sunset: 8:04 PM
Daylight: 14 hrs 33 mins
Moonrise: 7:16 PM
Moon Transit: 11:41 PM
Moonset: 3:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

1:30 PM - 4:00 PM
12:00 AM - 12:00 AM

Minor Periods

6:46 PM - 8:16 PM
2:41 AM - 4:11 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
74.1°F
64.7°F
69.3°F
77%
0 in
10%
0%
11 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 9.6 μg/m3
PM10: 13.13 μg/m3
Carbon Monoxide: 114.38 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 90.21 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:47 AM
Sunset: 8:03 PM
Daylight: 14 hrs 31 mins
Moonrise: 7:50 PM
Moon Transit: 12:00 AM
Moonset: 4:13 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:19 PM - 4:49 PM

Minor Periods

7:20 PM - 8:50 PM
3:43 AM - 5:13 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Partly Cloudy
70°F
66.4°F
67.9°F
92%
1.14 in
89%
0%
16.1 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 6.92 μg/m3
PM10: 9.66 μg/m3
Carbon Monoxide: 196.67 μg/m3
Nitrogen Dioxide: 1.12 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 100.78 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:47 AM
Sunset: 8:02 PM
Daylight: 14 hrs 29 mins
Moonrise: 8:20 PM
Moon Transit: 12:30 AM
Moonset: 5:17 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
3:07 PM - 5:37 PM

Minor Periods

7:50 PM - 9:20 PM
4:47 AM - 6:17 AM

Action Rating: 4 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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