Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

57.0°F 13.9°C
Cold Thermal Gear Required
57.0°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: Monday, November 9, 2026, 7:10 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

51°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 73%
Feels Like: 44.1°F
Wind: WNW 15.9 mph
Wind Gusts: 19.7 mph
Pressure: 29.67 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0.7

Weather Forecast

Sunny
Mon
H: 55°F
L: 48°F
Sunny
Tue
H: 54°F
L: 45°F
Sunny
Wed
H: 52°F
L: 48°F

Air Quality

EPA Index 1 • Good

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

PM2.5
2 μg/m³
Good
PM10
2 μg/m³
Good
Ozone (O3)
61 μg/m³
Photochemical
NO2
4.1 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
157 μg/m³
Carbon Monoxide

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

Small Craft Advisory issued November 9 at 8:39AM EST until November 10 at 7:00AM EST by NWS Boston/Norton MA

Effective: Mon November 9, 2026, 8:39 AM
Expires: Mon November 9, 2026, 9:45 PM

* WHAT...West winds 10 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...Until 7 AM EST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL INFORMATION...Expecting a brief lull in conditions this morning into early afternoon. Gusty winds and rough seas should redevelop by this evening.
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 51°F
Average Humidity: 70%
Chance of Rain: 17%
Wind: 17.7 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: 49.9°F
Average Humidity: 69%
Chance of Rain: 7%
Wind: 16.1 mph
UV Index: 2.1

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
Wednesday, November 11, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 49.8°F
Average Humidity: 67%
Chance of Rain: 8%
Wind: 16.3 mph
UV Index: 2.1

Astronomical

Sun
10h 0m daylight
Sunrise 6:25 AM
Solar Noon 11:25 AM
Sunset 4:25 PM
Moon
New • 2%
Moonrise 8:59 AM
Transit 1:18 PM
Moonset 5:37 PM

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
12:48 PM - 3:18 PM

Minor Periods

8:29 AM - 9:59 AM
5:07 PM - 6:37 PM
Action Rating:
Good Action 3/5
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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