Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

66.2°F

Measurement Time: Thursday, October 9, 2025, 11:30 AM 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

52°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 48%
Feels Like: 46.2°F
Wind: N 19.9 mph
Wind Gusts: 22.9 mph
Pressure: 30.37 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 4

Five Day Weather Forecast

Sunny
Thu
H: 56°F
L: 46°F
Sunny
Fri
H: 62°F
L: 49°F
Overcast
Sat
H: 60°F
L: 54°F
Moderate rain
Sun
H: 60°F
L: 57°F
Moderate rain
Mon
H: 59°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 2.55 μg/m3
PM10: 2.95 μg/m3
Carbon Monoxide: 137.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:28 AM
Sunset: 6:09 PM
Daylight: 11 hrs 22 mins
Moonrise: 7:25 PM
Moon Transit: 2:15 AM
Moonset: 9:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

1:45 AM - 4:15 AM
5:00 PM - 7:30 PM

Minor Periods

6:55 PM - 8:25 PM
9:29 AM - 10:59 AM

Action Rating: 2 out of 5

Frost Advisory issued October 9 at 2:28AM EDT until October 10 at 9:00AM EDT by NWS Boston/Norton MA

Effective: Thu October 9, 2025, 2:28 AM
Expires: Thu October 9, 2025, 4:30 PM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Massachusetts, Dukes County. In Rhode Island, Bristol, Eastern Kent, Southeast Providence, and Newport Counties. * WHEN...From 11 PM this evening to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Freeze Warning issued October 9 at 2:28AM EDT until October 10 at 9:00AM EDT by NWS Boston/Norton MA

Effective: Thu October 9, 2025, 2:28 AM
Expires: Thu October 9, 2025, 4:30 PM

* WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Portions of northern Connecticut, central, eastern, southeastern, and western Massachusetts, and interior Rhode Island. * WHEN...From 11 PM this evening to 9 AM EDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Frost Advisory issued October 9 at 2:28AM EDT until October 10 at 9:00AM EDT by NWS Boston/Norton MA

Effective: Thu October 9, 2025, 2:28 AM
Expires: Thu October 9, 2025, 4:30 PM

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Eastern Norfolk, Suffolk, Eastern Essex, and Eastern Plymouth Counties. * WHEN...From 11 PM this evening to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.
Thursday, October 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 51.8°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 21 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 3.4 μg/m3
PM10: 3.85 μg/m3
Carbon Monoxide: 141.73 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 72.04 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:28 AM
Sunset: 6:09 PM
Daylight: 11 hrs 22 mins
Moonrise: 7:25 PM
Moon Transit: 2:15 AM
Moonset: 9:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

1:45 AM - 4:15 AM
5:00 PM - 7:30 PM

Minor Periods

6:55 PM - 8:25 PM
9:29 AM - 10:59 AM

Action Rating: 2 out of 5

Friday, October 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 54.6°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 4.65 μg/m3
Carbon Monoxide: 152.73 μg/m3
Nitrogen Dioxide: 5.91 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 67.28 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:28 AM
Sunset: 6:08 PM
Daylight: 11 hrs 19 mins
Moonrise: 8:11 PM
Moon Transit: 3:16 AM
Moonset: 11:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
6:02 PM - 8:32 PM

Minor Periods

7:41 PM - 9:11 PM
10:50 AM - 12:20 AM

Action Rating: 3 out of 5

Saturday, October 11, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 57.3°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 7.79 μg/m3
Carbon Monoxide: 181.89 μg/m3
Nitrogen Dioxide: 4.49 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 78.6 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:27 AM
Sunset: 6:06 PM
Daylight: 11 hrs 17 mins
Moonrise: 9:09 PM
Moon Transit: 4:19 AM
Moonset: 12:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
7:06 PM - 9:36 PM

Minor Periods

8:39 PM - 10:09 PM
12:04 AM - 1:34 PM

Action Rating: 2 out of 5

Sunday, October 12, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 58.7°F
Average Humidity: 78%
Chance of Rain: 68%
Wind: 33.8 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 6.21 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 149.37 μg/m3
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 84.8 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:27 AM
Sunset: 6:04 PM
Daylight: 11 hrs 14 mins
Moonrise: 10:16 PM
Moon Transit: 5:23 AM
Moonset: 1:36 PM
Moon Phase: Waning Gibbous
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

4:53 AM - 7:23 AM
8:09 PM - 10:39 PM

Minor Periods

9:46 PM - 11:16 PM
1:06 PM - 2:36 PM

Action Rating: 2 out of 5

Monday, October 13, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 58.5°F
Average Humidity: 91%
Chance of Rain: 65%
Wind: 35.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.91 μg/m3
PM10: 9.58 μg/m3
Carbon Monoxide: 134.85 μg/m3
Nitrogen Dioxide: 1.53 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 100.38 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:27 AM
Sunset: 6:03 PM
Daylight: 11 hrs 11 mins
Moonrise: 11:27 PM
Moon Transit: 6:24 AM
Moonset: 2:26 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

5:54 AM - 8:24 AM
9:07 PM - 11:37 PM

Minor Periods

12:00 AM - 12:00 AM
1:56 PM - 3:26 PM

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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