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

73°F
Partly cloudy
Partly cloudy
76.8°F
79.7°F
71%
SSE 17.7 mph
23.2 mph
76.8°F
66.4°F
0 in
50%
9 mi
1012 mbar
5

Five Day Weather Forecast

Sunny
Tue
H: 81°F
L: 64°F
Patchy rain nearby
Wed
H: 77°F
L: 71°F
Sunny
Thu
H: 70°F
L: 64°F
Sunny
Fri
H: 71°F
L: 63°F
Sunny
Sat
H: 70°F
L: 64°F

Air Quality

AQI: 1 - Good
PM2.5: 15.7 μg/m3
PM10: 19.4 μg/m3
Carbon Monoxide: 123 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 103 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:47 AM
Sunset: 8:09 PM
Daylight: 14 hrs 44 mins
Moonrise: 1:37 PM
Moon Transit: 6:45 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
6:15 PM - 8:45 PM

Minor Periods

1:07 PM - 2:37 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 21 at 3:45AM EDT until July 22 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue July 21, 2026, 3:45 AM
Expires: Tue July 21, 2026, 4:45 PM

* WHAT...Southwest winds 20 to 30 kt with gusts up 30-34 kt and seas 4 to 6 feet expected. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound. * WHEN...From 8 PM this evening to 8 PM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Tuesday, July 21, 2026

Weather Forecast

Sunny
80.6°F
64.2°F
71.7°F
76%
1.47 in
73%
0%
26.6 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 11.82 μg/m3
PM10: 15.6 μg/m3
Carbon Monoxide: 121.29 μg/m3
Nitrogen Dioxide: 2.51 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 93.75 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:47 AM
Sunset: 8:09 PM
Daylight: 14 hrs 44 mins
Moonrise: 1:37 PM
Moon Transit: 6:45 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
6:15 PM - 8:45 PM

Minor Periods

1:07 PM - 2:37 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Patchy rain nearby
77.4°F
71.1°F
73.8°F
85%
0.98 in
84%
0%
23.3 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 5.3 μg/m3
PM10: 7.32 μg/m3
Carbon Monoxide: 115.21 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 82.58 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:47 AM
Sunset: 8:08 PM
Daylight: 14 hrs 42 mins
Moonrise: 2:43 PM
Moon Transit: 7:30 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

9:20 AM - 11:50 AM
7:00 PM - 9:30 PM

Minor Periods

2:13 PM - 3:43 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
70°F
63.7°F
66.9°F
61%
0 in
5%
0%
11.4 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.08 μg/m3
PM10: 4.83 μg/m3
Carbon Monoxide: 145.96 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 82.75 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:47 AM
Sunset: 8:07 PM
Daylight: 14 hrs 40 mins
Moonrise: 3:46 PM
Moon Transit: 8:18 PM
Moonset: 12:13 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

10:07 AM - 12:37 AM
7:48 PM - 10:18 PM

Minor Periods

3:16 PM - 4:46 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
70.8°F
63.4°F
67.1°F
64%
0 in
4%
0%
12.5 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 5.75 μg/m3
PM10: 7.22 μg/m3
Carbon Monoxide: 118.72 μg/m3
Nitrogen Dioxide: 6.28 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 65.92 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:47 AM
Sunset: 8:07 PM
Daylight: 14 hrs 39 mins
Moonrise: 4:48 PM
Moon Transit: 9:08 PM
Moonset: 12:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:56 AM - 1:26 PM
8:38 PM - 11:08 PM

Minor Periods

4:18 PM - 5:48 PM
12:16 AM - 1:46 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
69.7°F
63.7°F
66.5°F
71%
0 in
9%
0%
17.2 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 6.71 μg/m3
PM10: 8.99 μg/m3
Carbon Monoxide: 164.22 μg/m3
Nitrogen Dioxide: 4.78 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 77.44 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

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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