Current sea water temperature:
+72.3°F
| Minimum sea water temperature in August: | 73.2°F |
| Maximum sea water temperature in August: | 67.1°F |
| Average sea water temperature in August: | 70.3°F |
| more information | |
14 days
forecast
forecast
| Montauk |
monthly
weather
weather
| Montauk |
Sea water temperature for the last 10 days:
| August 13 | 72.3°F | August 8 | 73.0°F |
| August 12 | 71.8°F | August 7 | 72.1°F |
| August 11 | 71.2°F | August 6 | 70.7°F |
| August 10 | 71.8°F | August 5 | 70.5°F |
| August 9 | 72.3°F | August 4 | 69.8°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.3°F. The highest and lowest sea temperatures during the month were 69.3°F and 64.2°F.
current
weather
weather
| Montauk |
weather in
August
August
| Montauk |
Best time for vacation in Montauk
Montauk on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Montauk
Local time: 04:26
August 13, thursday
0600
73°F
S
3 mph
3 mph
0900
79°F
E
6 mph
6 mph
1200
82°F
E
10 mph
10 mph
1500
84°F
NE
11 mph
11 mph
1800
79°F
E
12 mph
12 mph
2100
77°F
SE
14 mph
14 mph
August 14, friday
0000
73°F
SE
12 mph
12 mph
0300
72°F
S
12 mph
12 mph
