Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

71.8°F

Measurement Time: Thursday, September 4, 2025, 7:10 PM EDT

Temperature Locations

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Local Points of Interest

Atlantic Ocean

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Nantucket Sound

Station Name: NANTUCKET SOUND
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet / 0 meters

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 (48.0 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 (62.0 mi)

Weather for West Yarmouth, Massachusetts

Current Weather

66.9°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 84%
Feels Like: 66.9°F
Wind: S 11.2 mph
Wind Gusts: 17.6 mph
Pressure: 29.93 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Cloudy
Thu
H: 76°F
L: 62°F
Overcast
Fri
H: 73°F
L: 64°F
Overcast
Sat
H: 72°F
L: 68°F
Patchy rain nearby
Sun
H: 69°F
L: 62°F
Sunny
Mon
H: 69°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 13.51 μg/m3
PM10: 19.43 μg/m3
Carbon Monoxide: 244.2 μg/m3
Nitrogen Dioxide: 2.96 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:40 AM
Sunset: 7:09 PM
Daylight: 12 hrs 58 mins
Moonrise: 5:47 PM
Moon Transit: 10:31 PM
Moonset: 2:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:17 PM - 6:47 PM
1:43 AM - 3:13 AM

Action Rating: 3 out of 5

Thursday, September 4, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 66°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 15.25 μg/m3
PM10: 20.36 μg/m3
Carbon Monoxide: 308.06 μg/m3
Nitrogen Dioxide: 9.63 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 83.48 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:40 AM
Sunset: 7:09 PM
Daylight: 12 hrs 58 mins
Moonrise: 5:47 PM
Moon Transit: 10:31 PM
Moonset: 2:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:17 PM - 6:47 PM
1:43 AM - 3:13 AM

Action Rating: 3 out of 5

Friday, September 5, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 69.1°F
Average Humidity: 93%
Chance of Rain: 0%
Wind: 17.7 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 13.35 μg/m3
PM10: 19.13 μg/m3
Carbon Monoxide: 262.26 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 78.04 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 12:39 AM
Sunset: 7:07 PM
Daylight: 12 hrs 55 mins
Moonrise: 6:17 PM
Moon Transit: 11:22 PM
Moonset: 3:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

1:10 PM - 3:40 PM
12:00 AM - 12:00 AM

Minor Periods

5:47 PM - 7:17 PM
2:54 AM - 4:24 AM

Action Rating: 3 out of 5

Saturday, September 6, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 70.4°F
Average Humidity: 96%
Chance of Rain: 0%
Wind: 18.8 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 14.12 μg/m3
PM10: 20.37 μg/m3
Carbon Monoxide: 251.45 μg/m3
Nitrogen Dioxide: 3.96 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 79.32 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 12:39 AM
Sunset: 7:05 PM
Daylight: 12 hrs 52 mins
Moonrise: 6:43 PM
Moon Transit: 12:00 AM
Moonset: 4:39 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:00 PM - 4:30 PM

Minor Periods

6:13 PM - 7:43 PM
4:09 AM - 5:39 AM

Action Rating: 3 out of 5

Sunday, September 7, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 67°F
Average Humidity: 91%
Chance of Rain: 55%
Wind: 14.8 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 13.62 μg/m3
PM10: 18.03 μg/m3
Carbon Monoxide: 281.87 μg/m3
Nitrogen Dioxide: 7.12 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 72.84 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 12:39 AM
Sunset: 7:04 PM
Daylight: 12 hrs 50 mins
Moonrise: 7:06 PM
Moon Transit: 12:11 AM
Moonset: 5:53 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:49 PM - 5:19 PM

Minor Periods

6:36 PM - 8:06 PM
5:23 AM - 6:53 AM

Action Rating: 4 out of 5

Monday, September 8, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 64.3°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 14.79 μg/m3
PM10: 16.56 μg/m3
Carbon Monoxide: 388.78 μg/m3
Nitrogen Dioxide: 15.03 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 12:38 AM
Sunset: 7:02 PM
Daylight: 12 hrs 47 mins
Moonrise: 7:29 PM
Moon Transit: 3:28 PM
Moonset: 7:07 AM
Moon Phase: Full
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

2:58 PM - 5:28 PM
2:58 PM - 5:28 PM

Minor Periods

6:59 PM - 8:29 PM
6:37 AM - 8:07 AM

Action Rating: 5 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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