Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

61.9°F

Measurement Time: Wednesday, October 7, 2026, 11:30 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

60.9°F
Sunny
Conditions: Sunny
Humidity: 41%
Feels Like: 52.2°F
Wind: SSW 10.7 mph
Wind Gusts: 13.4 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 4

Weather Forecast

Sunny
Wed
H: 62°F
L: 50°F
Sunny
Thu
H: 68°F
L: 59°F
Sunny
Fri
H: 66°F
L: 55°F
Overcast
Sat
H: 60°F
L: 52°F
Overcast
Sun
H: 65°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 5.1 μg/m3
Carbon Monoxide: 120 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:28 AM
Sunset: 6:13 PM
Daylight: 11 hrs 28 mins
Moonrise: 3:18 AM
Moon Transit: 10:07 AM
Moonset: 4:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:37 AM - 12:07 AM

Minor Periods

4:14 PM - 5:44 PM
2:48 AM - 4:18 AM

Action Rating: 3 out of 5

Small Craft Advisory issued October 7 at 11:20AM EDT until October 8 at 3:00PM EDT by NWS Boston/Norton MA

Effective: Wed October 7, 2026, 11:20 AM
Expires: Thu October 8, 2026, 12:30 AM

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and seas around 3 feet expected. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From 9 PM this evening to 3 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, October 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 56.5°F
Average Humidity: 56%
Chance of Rain: 3%
Wind: 14.5 mph
UV Index: 4.1

Air Quality

AQI: 1 - Good
PM2.5: 5.79 μg/m3
PM10: 7.51 μg/m3
Carbon Monoxide: 139.96 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 69.25 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:28 AM
Sunset: 6:13 PM
Daylight: 11 hrs 28 mins
Moonrise: 3:18 AM
Moon Transit: 10:07 AM
Moonset: 4:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:37 AM - 12:07 AM

Minor Periods

4:14 PM - 5:44 PM
2:48 AM - 4:18 AM

Action Rating: 3 out of 5

Thursday, October 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 63°F
Average Humidity: 70%
Chance of Rain: 9%
Wind: 19 mph
UV Index: 3.9

Air Quality

AQI: 1 - Good
PM2.5: 9.1 μg/m3
PM10: 12.57 μg/m3
Carbon Monoxide: 138.92 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 96.96 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:28 AM
Sunset: 6:11 PM
Daylight: 11 hrs 26 mins
Moonrise: 4:29 AM
Moon Transit: 10:53 AM
Moonset: 5:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
10:23 AM - 12:53 AM

Minor Periods

4:36 PM - 6:06 PM
3:59 AM - 5:29 AM

Action Rating: 3 out of 5

Friday, October 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 59.4°F
Average Humidity: 56%
Chance of Rain: 3%
Wind: 17.4 mph
UV Index: 3.9

Air Quality

AQI: 1 - Good
PM2.5: 2.6 μg/m3
PM10: 2.68 μg/m3
Carbon Monoxide: 143.29 μg/m3
Nitrogen Dioxide: 5.56 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 66.5 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:28 AM
Sunset: 6:10 PM
Daylight: 11 hrs 23 mins
Moonrise: 5:38 AM
Moon Transit: 11:38 AM
Moonset: 5:27 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:28 AM - 3:58 AM
11:08 AM - 1:38 PM

Minor Periods

4:57 PM - 6:27 PM
5:08 AM - 6:38 AM

Action Rating: 4 out of 5

Saturday, October 10, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 55.4°F
Average Humidity: 56%
Chance of Rain: 10%
Wind: 12.1 mph
UV Index: 3.8

Air Quality

AQI: 1 - Good
PM2.5: 2.34 μg/m3
PM10: 2.93 μg/m3
Carbon Monoxide: 138.85 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 0.86 μg/m3
Ozone: 66.13 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:28 AM
Sunset: 6:08 PM
Daylight: 11 hrs 20 mins
Moonrise: 6:47 AM
Moon Transit: 12:23 AM
Moonset: 5:50 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

2:13 AM - 4:43 AM
11:53 AM - 2:23 PM

Minor Periods

5:20 PM - 6:50 PM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Sunday, October 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 59.7°F
Average Humidity: 77%
Chance of Rain: 83%
Wind: 15 mph
UV Index: 4

Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 8.49 μg/m3
Carbon Monoxide: 153.11 μg/m3
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 0.92 μg/m3
Ozone: 69.78 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:27 AM
Sunset: 6:06 PM
Daylight: 11 hrs 17 mins
Moonrise: 7:54 AM
Moon Transit: 1:08 PM
Moonset: 6:14 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
12:38 AM - 3:08 PM

Minor Periods

5:44 PM - 7:14 PM
7:24 AM - 8:54 AM

Action Rating: 4 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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