Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

56.5°F 13.6°C
Cold Thermal Gear Required
56.5°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Sunday, November 8, 2026, 11:10 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

56.5°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 62%
Feels Like: 45.5°F
Wind: W 17.9 mph
Wind Gusts: 28.2 mph
Pressure: 29.69 in
Precipitation: 0 in
Cloud Cover: 60%
Visibility: 6 mi
UV Index: 1

Weather Forecast

Patchy rain nearby
Sun
H: 57°F
L: 47°F
Sunny
Mon
H: 55°F
L: 47°F
Sunny
Tue
H: 54°F
L: 45°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
2.5 μg/m³
Good
PM10
2.5 μg/m³
Good
Ozone (O3)
62 μg/m³
Photochemical
NO2
1.8 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
134 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 6m daylight
Sunrise 6:22 AM
Solar Noon 11:24 AM
Sunset 4:28 PM
Moon
New • 0%
Moonrise 5:48 AM
Transit 10:49 AM
Moonset 3:43 PM

Best Times for Fishing or Hunting

Major Periods

10:19 AM - 12:49 PM
10:43 PM - 1:13 AM

Minor Periods

5:18 AM - 6:48 AM
3:13 PM - 4:43 PM
Action Rating:
Peak Action 5/5

Small Craft Advisory issued November 8 at 2:11AM EST until November 8 at 7:00PM EST by NWS Boston/Norton MA

Effective: Sun November 8, 2026, 2:11 AM
Expires: Sun November 8, 2026, 3:15 PM

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. * WHERE...In Massachusetts coastal waters, Nantucket Sound and Vineyard Sound. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...Until 7 PM EST this evening. * IMPACTS...Conditions will be hazardous to small craft.


Small Craft Advisory issued November 8 at 7:39AM EST until November 8 at 7:00PM EST by NWS Boston/Norton MA

Effective: Sun November 8, 2026, 7:39 AM
Expires: Sun November 8, 2026, 7:00 PM

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 feet. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...Until 7 PM EST this evening. * IMPACTS...Conditions will be hazardous to small craft.
Sunday, November 8, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 51.7°F
Average Humidity: 73%
Chance of Rain: 36%
Wind: 22.6 mph
UV Index: 1.8

Astronomical

Sun
10h 6m daylight
Sunrise 6:22 AM
Solar Noon 11:24 AM
Sunset 4:28 PM
Moon
New • 0%
Moonrise 5:48 AM
Transit 10:49 AM
Moonset 3:43 PM

Best Times for Fishing or Hunting

Major Periods

10:19 AM - 12:49 PM
10:43 PM - 1:13 AM

Minor Periods

5:18 AM - 6:48 AM
3:13 PM - 4:43 PM
Action Rating:
Peak Action 5/5
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 50.9°F
Average Humidity: 68%
Chance of Rain: 17%
Wind: 18.3 mph
UV Index: 1.8

Astronomical

Sun
10h 4m daylight
Sunrise 6:23 AM
Solar Noon 11:24 AM
Sunset 4:27 PM
Moon
New • 2%
Moonrise 6:55 AM
Transit 11:37 AM
Moonset 4:15 PM

Best Times for Fishing or Hunting

Major Periods

11:07 AM - 1:37 PM
11:32 PM - 2:02 AM

Minor Periods

6:25 AM - 7:55 AM
3:45 PM - 5:15 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 50.1°F
Average Humidity: 68%
Chance of Rain: 7%
Wind: 15.2 mph
UV Index: 2.2

Astronomical

Sun
10h 2m daylight
Sunrise 6:24 AM
Solar Noon 11:25 AM
Sunset 4:26 PM
Moon
New • 0%
Moonrise 7:59 AM
Transit 12:27 PM
Moonset 4:52 PM

Best Times for Fishing or Hunting

Major Periods

11:57 AM - 2:27 PM
11:32 PM - 2:02 AM

Minor Periods

7:29 AM - 8:59 AM
4:22 PM - 5:52 PM
Action Rating:
Very Good 4/5
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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