Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

37.8°F

Measurement Time: Friday, December 26, 2025, 11:30 AM EST

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

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

23.4°F
Cloudy
Conditions: Cloudy
Humidity: 66%
Heat Index: 23.4°F
Feels Like: 12.3°F
Wind: N 6.8 mph
Wind Gusts: 17 mph
Wind Chill: 12.3°F
Air Pressure: 1020.08 millibars
Dew Point: 12.3°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 10 mi
UV Index: 0

Five Day Weather Forecast

Light freezing rain
Fri
H: 26°F
L: 23°F
Moderate or heavy snow showers
Sat
H: 35°F
L: 27°F
Partly Cloudy
Sun
H: 35°F
L: 29°F
Moderate rain
Mon
H: 45°F
L: 36°F
Partly Cloudy
Tue
H: 31°F
L: 27°F

Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 4.35 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 3.65 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 11:41 AM
Sunset: 4:18 PM
Daylight: 9 hrs 11 mins
Moonrise: 10:56 AM
Moon Transit: 4:55 PM
Moonset: 11:08 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:25 PM - 6:55 PM

Minor Periods

12:00 AM - 12:00 AM
10:26 AM - 11:56 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued December 26 at 12:50PM EST until December 27 at 10:00AM EST by NWS Boston/Norton MA

Effective: Fri December 26, 2025, 12:50 PM
Expires: Sat December 27, 2025, 5:00 AM

* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...Portions of central, eastern, southeastern, and western Massachusetts and northern and southern Rhode Island. * WHEN...From 7 PM this evening to 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.

Slow down and use caution while traveling.
Friday, December 26, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 24.8°F
Average Humidity: 63%
Chance of Rain: 78%
Wind: 25.3 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 2.93 μg/m3
PM10: 3.48 μg/m3
Carbon Monoxide: 157.33 μg/m3
Nitrogen Dioxide: 4.41 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 75.44 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 11:41 AM
Sunset: 4:18 PM
Daylight: 9 hrs 11 mins
Moonrise: 10:56 AM
Moon Transit: 4:55 PM
Moonset: 11:08 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:25 PM - 6:55 PM

Minor Periods

12:00 AM - 12:00 AM
10:26 AM - 11:56 AM

Action Rating: 3 out of 5

Saturday, December 27, 2025

Weather Forecast

Conditions: Moderate or heavy snow showers
Average Temperature: 31.7°F
Average Humidity: 88%
Chance of Rain: 71%
Wind: 16.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 2.98 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 152.69 μg/m3
Nitrogen Dioxide: 2.38 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 78.32 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:42 AM
Sunset: 4:18 PM
Daylight: 9 hrs 12 mins
Moonrise: 11:17 AM
Moon Transit: 4:23 AM
Moonset: 12:08 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

3:53 AM - 6:23 AM
3:53 AM - 6:23 AM

Minor Periods

10:47 AM - 12:17 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, December 28, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 32.4°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 7.71 μg/m3
PM10: 8.36 μg/m3
Carbon Monoxide: 218.97 μg/m3
Nitrogen Dioxide: 14.55 μg/m3
Sulphur Dioxide: 3.24 μg/m3
Ozone: 63.6 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:42 AM
Sunset: 4:19 PM
Daylight: 9 hrs 12 mins
Moonrise: 11:40 AM
Moon Transit: 6:28 PM
Moonset: 12:19 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

8:17 AM - 10:47 AM
5:58 PM - 8:28 PM

Minor Periods

11:10 AM - 12:40 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, December 29, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 41.6°F
Average Humidity: 90%
Chance of Rain: 87%
Wind: 28.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 11.81 μg/m3
Carbon Monoxide: 180.31 μg/m3
Nitrogen Dioxide: 8.34 μg/m3
Sulphur Dioxide: 2.84 μg/m3
Ozone: 61.88 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:43 AM
Sunset: 4:20 PM
Daylight: 9 hrs 13 mins
Moonrise: 12:06 AM
Moon Transit: 7:20 PM
Moonset: 1:32 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
6:50 PM - 9:20 PM

Minor Periods

11:36 AM - 1:06 PM
1:02 AM - 2:32 AM

Action Rating: 2 out of 5

Tuesday, December 30, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 30.8°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 30.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 3.29 μg/m3
PM10: 3.46 μg/m3
Carbon Monoxide: 223.47 μg/m3
Nitrogen Dioxide: 12.93 μg/m3
Sulphur Dioxide: 4.27 μg/m3
Ozone: 42.15 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:43 AM
Sunset: 4:21 PM
Daylight: 9 hrs 13 mins
Moonrise: 12:39 AM
Moon Transit: 8:17 PM
Moonset: 2:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

10:02 AM - 12:32 AM
7:47 PM - 10:17 PM

Minor Periods

12:09 AM - 1:39 PM
2:20 AM - 3:50 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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