Current sea water temperature:
+37.9°F
| Minimum sea water temperature in March: | 44.8°F |
| Maximum sea water temperature in March: | 34.2°F |
| Average sea water temperature in March: | 40.9°F |
| more information | |
14 days
forecast
forecast
| Montauk |
monthly
weather
weather
| Montauk |
Sea water temperature for the last 10 days:
| March 16 | 37.9°F | March 11 | 38.8°F |
| March 15 | 37.4°F | March 10 | 37.2°F |
| March 14 | 37.8°F | March 9 | 36.1°F |
| March 13 | 40.8°F | March 8 | 36.1°F |
| March 12 | 39.2°F | March 7 | 34.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Montauk?
Based on the data about daily sea water temperature for the last three years the warmest sea in Montauk was noticed in August, September and July.
Monthly Sea Temperatures in Montauk, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.0°F. The highest and lowest sea temperatures during the month were 71.6°F and 68.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 70.2°F and 67.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.9°F. The highest and lowest sea temperatures during the month were 71.6°F and 64.6°F.
current
weather
weather
| Montauk |
weather in
March
March
| Montauk |
Best time for vacation in Montauk
Montauk on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Montauk
Local time: 00:25
March 17, tuesday
0300
48°F
NE
25 mph
25 mph
0600
41°F
NE
29 mph
29 mph
0900
36°F
E
30 mph
30 mph
1200
36°F
E
27 mph
27 mph
1500
37°F
E
25 mph
25 mph
1800
41°F
E
22 mph
22 mph
2100
36°F
SE
24 mph
24 mph
March 18, wednesday
0000
34°F
SE
22 mph
22 mph
