Water Temperature of Nantucket Sound in West Yarmouth, MA

Current Water Temperature

50.7°F

Measurement Time: Tuesday, May 5, 2026, 7:30 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

59.4°F
Sunny
Sunny
59.4°F
58.2°F
75%
SSW 20.1 mph
30.5 mph
56.7°F
54.7°F
0 in
0%
9 mi
1012 mbar
4

Five Day Weather Forecast

Sunny
Tue
H: 64°F
L: 48°F
Patchy rain nearby
Wed
H: 61°F
L: 56°F
Patchy rain nearby
Thu
H: 57°F
L: 50°F
Sunny
Fri
H: 58°F
L: 48°F
Moderate rain
Sat
H: 57°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 9.15 μg/m3
PM10: 12.65 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 129 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:37 AM
Sunset: 7:43 PM
Daylight: 14 hrs 10 mins
Moonrise: 12:07 AM
Moon Transit: 3:22 AM
Moonset: 7:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

2:52 AM - 5:22 AM
6:01 PM - 8:31 PM

Minor Periods

7:07 AM - 8:37 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wind Advisory issued May 5 at 2:40AM EDT until May 5 at 10:00PM EDT by NWS Boston/Norton MA

Effective: Tue May 5, 2026, 2:40 AM
Expires: Tue May 5, 2026, 8:00 PM

* WHAT...Southwest winds 15 to 30 mph with gusts of 40 to 50 mph expected. * WHERE...Portions of eastern, northeastern, and southeastern Massachusetts and northern and southern Rhode Island. * WHEN...From noon today to 10 PM EDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Special Weather Statement issued May 4 at 7:13PM EDT by NWS Boston/Norton MA

Effective: Mon May 4, 2026, 7:13 PM
Expires: Tue May 5, 2026, 8:00 PM

..ELEVATED FIRE WEATHER POTENTIAL TUESDAY IN SOUTHERN NEW ENGLAND... The combination of southwest winds gusting to 35 to 45 mph, relative humidity as low as 30 to 35 percent, and a lack of significant rainfall over the past few days will lead to an elevated fire weather potential on Tuesday.


Tuesday, May 5, 2026

Weather Forecast

Sunny
63.9°F
47.7°F
55.7°F
84%
0 in
0%
0%
25.5 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 9.51 μg/m3
PM10: 12.85 μg/m3
Carbon Monoxide: 152.65 μg/m3
Nitrogen Dioxide: 2.47 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 122.68 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:37 AM
Sunset: 7:43 PM
Daylight: 14 hrs 10 mins
Moonrise: 12:07 AM
Moon Transit: 3:22 AM
Moonset: 7:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

2:52 AM - 5:22 AM
6:01 PM - 8:31 PM

Minor Periods

7:07 AM - 8:37 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 6, 2026

Weather Forecast

Patchy rain nearby
60.5°F
55.5°F
57.6°F
85%
0.19 in
85%
0%
25.3 mph
5.5


Air Quality

AQI: 1 - Good
PM2.5: 9.83 μg/m3
PM10: 14.37 μg/m3
Carbon Monoxide: 132.53 μg/m3
Nitrogen Dioxide: 2.32 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 111.76 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:37 AM
Sunset: 7:44 PM
Daylight: 14 hrs 13 mins
Moonrise: 12:57 AM
Moon Transit: 4:13 AM
Moonset: 8:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
6:52 PM - 9:22 PM

Minor Periods

8:03 AM - 9:33 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
57.4°F
50.2°F
53.8°F
80%
0.12 in
88%
0%
19 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 7.46 μg/m3
PM10: 9.63 μg/m3
Carbon Monoxide: 150.33 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 101.2 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:37 AM
Sunset: 7:45 PM
Daylight: 14 hrs 15 mins
Moonrise: 12:40 AM
Moon Transit: 5:04 AM
Moonset: 9:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

4:34 AM - 7:04 AM
7:41 PM - 10:11 PM

Minor Periods

9:03 AM - 10:33 AM
12:10 AM - 1:40 AM

Action Rating: 3 out of 5

Friday, May 8, 2026

Weather Forecast

Sunny
57.5°F
47.5°F
52.4°F
60%
0 in
0%
0%
19 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 2.63 μg/m3
PM10: 2.81 μg/m3
Carbon Monoxide: 173.92 μg/m3
Nitrogen Dioxide: 5.21 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 82.88 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:37 AM
Sunset: 7:46 PM
Daylight: 14 hrs 17 mins
Moonrise: 1:14 AM
Moon Transit: 5:52 AM
Moonset: 10:38 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
8:30 PM - 11:00 PM

Minor Periods

10:08 AM - 11:38 AM
12:44 AM - 2:14 AM

Action Rating: 3 out of 5

Saturday, May 9, 2026

Weather Forecast

Moderate rain
57.3°F
50.9°F
53.3°F
79%
0.28 in
86%
0%
23 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.27 μg/m3
PM10: 3.48 μg/m3
Carbon Monoxide: 165.47 μg/m3
Nitrogen Dioxide: 7.87 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 66.31 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:37 AM
Sunset: 7:47 PM
Daylight: 14 hrs 19 mins
Moonrise: 1:44 AM
Moon Transit: 6:39 AM
Moonset: 11:43 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:09 AM - 8:39 AM
9:14 PM - 11:44 PM

Minor Periods

11:13 AM - 12:43 AM
1:14 AM - 2:44 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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