Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

48.0°F

Measurement Time: Saturday, April 18, 2026, 7:30 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

48°F
Mist
Mist
42.4°F
46.2°F
96%
NE 13.9 mph
19.6 mph
41.5°F
45.7°F
0 in
100%
2 mi
1018 mbar
1.4

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 48°F
L: 44°F
Moderate rain
Sun
H: 53°F
L: 45°F
Patchy rain nearby
Mon
H: 48°F
L: 40°F
Partly Cloudy
Tue
H: 47°F
L: 41°F
Patchy rain nearby
Wed
H: 52°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 11.25 μg/m3
PM10: 15.35 μg/m3
Carbon Monoxide: 173.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 12:40 AM
Sunset: 7:25 PM
Daylight: 13 hrs 28 mins
Moonrise: 6:12 AM
Moon Transit: 1:41 PM
Moonset: 9:26 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:26 AM - 5:56 AM
1:11 PM - 3:41 PM

Minor Periods

8:56 PM - 10:26 PM
5:42 AM - 7:12 AM

Action Rating: 5 out of 5

Saturday, April 18, 2026

Weather Forecast

Patchy rain nearby
47.7°F
44.3°F
45.8°F
94%
0 in
89%
0%
16.1 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 9.51 μg/m3
PM10: 12.59 μg/m3
Carbon Monoxide: 186.29 μg/m3
Nitrogen Dioxide: 3.41 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 81.28 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 12:40 AM
Sunset: 7:25 PM
Daylight: 13 hrs 28 mins
Moonrise: 6:12 AM
Moon Transit: 1:41 PM
Moonset: 9:26 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:26 AM - 5:56 AM
1:11 PM - 3:41 PM

Minor Periods

8:56 PM - 10:26 PM
5:42 AM - 7:12 AM

Action Rating: 5 out of 5

Sunday, April 19, 2026

Weather Forecast

Moderate rain
52.8°F
44.8°F
47.8°F
91%
0.21 in
86%
0%
20.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 9.7 μg/m3
PM10: 12.7 μg/m3
Carbon Monoxide: 179.37 μg/m3
Nitrogen Dioxide: 6.04 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 83.56 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:40 AM
Sunset: 7:26 PM
Daylight: 13 hrs 31 mins
Moonrise: 6:50 AM
Moon Transit: 2:42 PM
Moonset: 10:46 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

4:26 AM - 6:56 AM
2:12 PM - 4:42 PM

Minor Periods

10:16 PM - 11:46 PM
6:20 AM - 7:50 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
48.4°F
39.6°F
43.4°F
66%
0.1 in
85%
0%
17.7 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 5.28 μg/m3
PM10: 5.93 μg/m3
Carbon Monoxide: 181.29 μg/m3
Nitrogen Dioxide: 6.02 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 91.2 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 12:40 AM
Sunset: 7:27 PM
Daylight: 13 hrs 33 mins
Moonrise: 7:38 AM
Moon Transit: 3:46 PM
Moonset: 12:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:30 AM - 8:00 AM
3:16 PM - 5:46 PM

Minor Periods

12:00 AM - 12:00 AM
7:08 AM - 8:38 AM

Action Rating: 3 out of 5

Tuesday, April 21, 2026

Weather Forecast

Partly Cloudy
46.5°F
41.3°F
43.6°F
61%
0 in
0%
0%
14.8 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 7.94 μg/m3
Carbon Monoxide: 165.19 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 97.84 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:39 AM
Sunset: 7:28 PM
Daylight: 13 hrs 36 mins
Moonrise: 8:38 AM
Moon Transit: 4:51 PM
Moonset: 12:00 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
4:21 PM - 6:51 PM

Minor Periods

8:08 AM - 9:38 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
52.2°F
40.7°F
45.8°F
75%
0.04 in
89%
0%
18.1 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.84 μg/m3
PM10: 9.52 μg/m3
Carbon Monoxide: 166.21 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 99.15 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:39 AM
Sunset: 7:29 PM
Daylight: 13 hrs 39 mins
Moonrise: 9:48 AM
Moon Transit: 5:54 PM
Moonset: 1:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:38 AM - 10:08 AM
5:24 PM - 7:54 PM

Minor Periods

9:18 AM - 10:48 AM
12:32 AM - 2:02 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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