Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

69.4°F

Measurement Time: Thursday, September 18, 2025, 11:10 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

64.9°F
Overcast
Conditions: Overcast
Humidity: 90%
Feels Like: 64.9°F
Wind: W 11.2 mph
Wind Gusts: 22.7 mph
Pressure: 29.84 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Cloudy
Fri
H: 79°F
L: 64°F
Sunny
Sat
H: 66°F
L: 57°F
Sunny
Sun
H: 66°F
L: 56°F
Sunny
Mon
H: 69°F
L: 59°F
Partly Cloudy
Tue
H: 74°F
L: 61°F

Air Quality

PM2.5: 8.51 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 432.9 μg/m3
Nitrogen Dioxide: 26.09 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:34 AM
Sunset: 6:43 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:59 AM
Moon Transit: 11:02 AM
Moonset: 5:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
10:32 AM - 1:02 PM

Minor Periods

5:22 PM - 6:52 PM
3:29 AM - 4:59 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 68.8°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 9.03 μg/m3
PM10: 10.03 μg/m3
Carbon Monoxide: 388.43 μg/m3
Nitrogen Dioxide: 14.48 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 83.12 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:34 AM
Sunset: 6:43 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:59 AM
Moon Transit: 11:02 AM
Moonset: 5:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
10:32 AM - 1:02 PM

Minor Periods

5:22 PM - 6:52 PM
3:29 AM - 4:59 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.3°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 15.9 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 6.11 μg/m3
PM10: 8.27 μg/m3
Carbon Monoxide: 312.72 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 78.64 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 12:34 AM
Sunset: 6:42 PM
Daylight: 12 hrs 14 mins
Moonrise: 5:06 AM
Moon Transit: 11:45 AM
Moonset: 6:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:36 AM - 4:06 AM
11:15 AM - 1:45 PM

Minor Periods

5:43 PM - 7:13 PM
4:36 AM - 6:06 AM

Action Rating: 3 out of 5

Sunday, September 21, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 59.8°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 8.04 μg/m3
Carbon Monoxide: 288.75 μg/m3
Nitrogen Dioxide: 6.87 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 73.24 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:34 AM
Sunset: 6:40 PM
Daylight: 12 hrs 12 mins
Moonrise: 6:10 AM
Moon Transit: 12:26 AM
Moonset: 6:32 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
11:56 AM - 2:26 PM

Minor Periods

6:02 PM - 7:32 PM
5:40 AM - 7:10 AM

Action Rating: 3 out of 5

Monday, September 22, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 62.9°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 11.67 μg/m3
PM10: 17.89 μg/m3
Carbon Monoxide: 287.89 μg/m3
Nitrogen Dioxide: 8.98 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 66.54 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 12:33 AM
Sunset: 6:38 PM
Daylight: 12 hrs 9 mins
Moonrise: 7:13 AM
Moon Transit: 1:07 PM
Moonset: 6:51 PM
Moon Phase: New
Moon Illumination: 2.9%

Best Times for Fishing or Hunting

Major Periods

2:59 AM - 5:29 AM
12:37 AM - 3:07 PM

Minor Periods

6:21 PM - 7:51 PM
6:43 AM - 8:13 AM

Action Rating: 5 out of 5

Tuesday, September 23, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 66.5°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 14.5 mph
UV Index: 0.1

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:33 AM
Sunset: 6:36 PM
Daylight: 12 hrs 6 mins
Moonrise: 8:16 AM
Moon Transit: 1:48 PM
Moonset: 7:10 PM
Moon Phase: New
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

3:39 AM - 6:09 AM
1:18 PM - 3:48 PM

Minor Periods

6:40 PM - 8:10 PM
7:46 AM - 9:16 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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