Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

40.3°F

Measurement Time: Friday, March 20, 2026, 11:20 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

45°F
Light rain
Light rain
36.8°F
44.4°F
93%
SW 21 mph
34.3 mph
38.7°F
43.8°F
0.02 in
100%
4 mi
1007 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 47°F
L: 41°F
Moderate rain
Sun
H: 43°F
L: 34°F
Heavy rain
Mon
H: 36°F
L: 33°F
Partly Cloudy
Tue
H: 35°F
L: 32°F
Overcast
Wed
H: 44°F
L: 34°F

Air Quality

AQI: 1 - Good
PM2.5: 7.95 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 207.85 μg/m3
Nitrogen Dioxide: 8.05 μg/m3
Sulphur Dioxide: 3.35 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:00 AM
Sunset: 6:55 PM
Daylight: 12 hrs 12 mins
Moonrise: 7:42 AM
Moon Transit: 2:58 PM
Moonset: 10:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
2:28 PM - 4:58 PM

Minor Periods

9:59 PM - 11:29 PM
7:12 AM - 8:42 AM

Action Rating: 3 out of 5

Saturday, March 21, 2026

Weather Forecast

Patchy rain nearby
46.9°F
41.2°F
44°F
81%
0.16 in
88%
0%
23.9 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 6.87 μg/m3
PM10: 8.41 μg/m3
Carbon Monoxide: 202.41 μg/m3
Nitrogen Dioxide: 5.36 μg/m3
Sulphur Dioxide: 2.38 μg/m3
Ozone: 94.48 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:00 AM
Sunset: 6:55 PM
Daylight: 12 hrs 12 mins
Moonrise: 7:42 AM
Moon Transit: 2:58 PM
Moonset: 10:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
2:28 PM - 4:58 PM

Minor Periods

9:59 PM - 11:29 PM
7:12 AM - 8:42 AM

Action Rating: 3 out of 5

Sunday, March 22, 2026

Weather Forecast

Moderate rain
43°F
34.2°F
39.4°F
85%
0.36 in
88%
0%
19.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 8.63 μg/m3
PM10: 11.15 μg/m3
Carbon Monoxide: 191.21 μg/m3
Nitrogen Dioxide: 5.56 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 95.08 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:00 AM
Sunset: 6:56 PM
Daylight: 12 hrs 14 mins
Moonrise: 8:15 AM
Moon Transit: 3:54 PM
Moonset: 11:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
3:24 PM - 5:54 PM

Minor Periods

12:00 AM - 12:00 AM
7:45 AM - 9:15 AM

Action Rating: 2 out of 5

Monday, March 23, 2026

Weather Forecast

Heavy rain
35.8°F
33°F
34.7°F
88%
0.88 in
88%
7%
26.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.37 μg/m3
PM10: 6.52 μg/m3
Carbon Monoxide: 182.21 μg/m3
Nitrogen Dioxide: 3.78 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 99.84 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:00 AM
Sunset: 6:57 PM
Daylight: 12 hrs 17 mins
Moonrise: 8:55 AM
Moon Transit: 4:55 PM
Moonset: 12:48 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

6:38 AM - 9:08 AM
4:25 PM - 6:55 PM

Minor Periods

8:25 AM - 9:55 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, March 24, 2026

Weather Forecast

Partly Cloudy
34.5°F
32.2°F
33.7°F
62%
0 in
0%
6%
19 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 5.77 μg/m3
Carbon Monoxide: 190.69 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 98 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:00 AM
Sunset: 6:58 PM
Daylight: 12 hrs 20 mins
Moonrise: 9:46 AM
Moon Transit: 5:57 PM
Moonset: 1:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:40 AM - 10:10 AM
5:27 PM - 7:57 PM

Minor Periods

9:16 AM - 10:46 AM
12:34 AM - 2:04 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Overcast
43.6°F
34°F
38.7°F
70%
0 in
0%
0%
21 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 9.92 μg/m3
PM10: 11.06 μg/m3
Carbon Monoxide: 219.45 μg/m3
Nitrogen Dioxide: 8.77 μg/m3
Sulphur Dioxide: 2.16 μg/m3
Ozone: 89.62 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:00 AM
Sunset: 6:59 PM
Daylight: 12 hrs 23 mins
Moonrise: 10:48 AM
Moon Transit: 7:00 PM
Moonset: 2:12 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

8:43 AM - 11:13 AM
6:30 PM - 9:00 PM

Minor Periods

10:18 AM - 11:48 AM
1:42 AM - 3:12 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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