Current sea water temperature:
+41.5°F
| Minimum sea water temperature in January: | 47.7°F |
| Maximum sea water temperature in January: | 38.1°F |
| Average sea water temperature in January: | 43.2°F |
| more information | |
14 days
forecast
forecast
| Montauk |
monthly
weather
weather
| Montauk |
Sea water temperature for the last 10 days:
| January 1 | 41.5°F | December 27 | 42.8°F |
| December 31 | 42.1°F | December 26 | 42.6°F |
| December 30 | 41.9°F | December 25 | 42.8°F |
| December 29 | 42.1°F | December 24 | 43.9°F |
| December 28 | 41.7°F | December 23 | 43.9°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
January
January
| Montauk |
Best time for vacation in Montauk
Montauk on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Montauk
Local time: 20:33
January 01, thursday
2100
25°F
SE
25 mph
25 mph
January 02, friday
0000
25°F
E
18 mph
18 mph
0300
25°F
E
21 mph
21 mph
0600
25°F
E
24 mph
24 mph
0900
27°F
E
22 mph
22 mph
1200
28°F
E
21 mph
21 mph
1500
30°F
E
22 mph
22 mph
1800
30°F
E
21 mph
21 mph
