Current sea water temperature:
+37.0°F
| Minimum sea water temperature in March: | 44.1°F |
| Maximum sea water temperature in March: | 33.6°F |
| Average sea water temperature in March: | 39.6°F |
| more information | |
14 days
forecast
forecast
| Martha's Vineyard |
monthly
weather
weather
| Martha's Vineyard |
Sea water temperature for the last 10 days:
| March 16 | 37.0°F | March 11 | 38.7°F |
| March 15 | 37.4°F | March 10 | 37.9°F |
| March 14 | 37.4°F | March 9 | 36.5°F |
| March 13 | 38.1°F | March 8 | 36.7°F |
| March 12 | 37.9°F | March 7 | 36.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Martha's Vineyard?
Based on the data about daily sea water temperature for the last three years the warmest sea in Martha's Vineyard was noticed in August, July and September.
Monthly Sea Temperatures in Martha's Vineyard, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.0°F. The highest and lowest sea temperatures during the month were 72.1°F and 67.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 71.1°F and 64.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.9°F. The highest and lowest sea temperatures during the month were 69.8°F and 66.6°F.
current
weather
weather
| Martha's Vineyard |
weather in
March
March
| Martha's Vineyard |
Best time for vacation in Martha's Vineyard
Martha's Vineyard on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Martha's Vineyard
Local time: 00:26
March 17, tuesday
0300
55°F
N
39 mph
39 mph
0600
43°F
NE
27 mph
27 mph
0900
39°F
E
30 mph
30 mph
1200
41°F
E
28 mph
28 mph
1500
43°F
NE
28 mph
28 mph
1800
39°F
E
25 mph
25 mph
2100
36°F
SE
20 mph
20 mph
March 18, wednesday
0000
30°F
SE
20 mph
20 mph
