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

71.1°F
Sunny
Sunny
71.1°F
76.2°F
51%
NW 3.6 mph
4.8 mph
72.1°F
53.2°F
0 in
0%
9 mi
1015 mbar
5

Five Day Weather Forecast

Sunny
Mon
H: 81°F
L: 59°F
Sunny
Tue
H: 75°F
L: 68°F
Patchy rain nearby
Wed
H: 79°F
L: 72°F
Sunny
Thu
H: 72°F
L: 64°F
Sunny
Fri
H: 75°F
L: 64°F

Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 3.8 μg/m3
Carbon Monoxide: 116 μg/m3
Nitrogen Dioxide: 3.9 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 79 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:47 AM
Sunset: 8:10 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:32 AM
Moon Transit: 6:01 PM
Moonset: 11:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:51 AM - 10:21 AM
5:31 PM - 8:01 PM

Minor Periods

12:00 AM - 12:00 AM
12:02 AM - 1:32 PM

Action Rating: 3 out of 5

Gale Watch issued July 20 at 1:10AM EDT until July 22 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Mon July 20, 2026, 1:10 AM
Expires: Mon July 20, 2026, 7:00 PM

* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 6 feet possible. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound. * WHEN...From Tuesday afternoon through Wednesday evening. Gale force winds more likely Tuesday night into Wednesday. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility.

Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas.
Monday, July 20, 2026

Weather Forecast

Sunny
80.8°F
59.2°F
69.8°F
60%
0 in
3%
0%
11.6 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 6.06 μg/m3
Carbon Monoxide: 116.13 μg/m3
Nitrogen Dioxide: 5.44 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 79.29 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:47 AM
Sunset: 8:10 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:32 AM
Moon Transit: 6:01 PM
Moonset: 11:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:51 AM - 10:21 AM
5:31 PM - 8:01 PM

Minor Periods

12:00 AM - 12:00 AM
12:02 AM - 1:32 PM

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
75.2°F
67.9°F
71.8°F
78%
0.17 in
72%
0%
22.1 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 9.28 μg/m3
PM10: 13.13 μg/m3
Carbon Monoxide: 112.08 μg/m3
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 90.33 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
78.5°F
71.5°F
74.5°F
87%
0.13 in
76%
0%
23.3 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 5.07 μg/m3
PM10: 7.36 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 76.29 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
72.2°F
64.1°F
68.2°F
68%
0 in
8%
0%
12.8 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 3.88 μg/m3
PM10: 4.75 μg/m3
Carbon Monoxide: 152.12 μg/m3
Nitrogen Dioxide: 4.08 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 91.58 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
74.5°F
63.8°F
68.8°F
67%
0 in
5%
0%
11.9 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 5.66 μg/m3
PM10: 7.23 μg/m3
Carbon Monoxide: 207 μg/m3
Nitrogen Dioxide: 5.82 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 86 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

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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