Measurements:
°C
°F
Montauk
62°F
SE 27 mph
Feels like: 62°F
Precip: 2%
World Resorts USA Montauk Weather

Montauk Sea Water Temperature

Current Sea Water Temperature:
+67.2°F
Maximum Sea Water Temperature in October: 71.4°F
Minimum Sea Water Temperature in October: 61.2°F
Average water temperature in October: 65.5°F

Sea Water Temperature for the Last 10 Days:

October 05 67.2°F September 30 65.2°F
October 04 67.6°F September 29 67.0°F
October 03 67.2°F September 28 67.2°F
October 02 67.2°F September 27 67.8°F
October 01 67.2°F September 26 68.0°F

When is the Warmest Sea for Montauk?

According to our data for the last three years for Montauk the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Montauk was 73.7°F. The maximum and minimum values were 71.6°F and 75.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Montauk was 70.8°F. The maximum and minimum values were 65.2°F and 73.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Montauk was 69.3°F. The maximum and minimum values were 65.8°F and 71.4°F respectively.

Best Time to Visit Montauk
The most sunny months:
November 16 days
October 14 days
December 14 days
The most warm months:
July 80.0 °F
August 79.0 °F
June 72.5 °F
Warmest sea temperature:
August 72.6 °F
September 71.0 °F
July 70.2 °F
The most cold months:
January 35.1 °F
February 35.3 °F
December 41.0 °F
The most rainy months:
October 4 days
November 3 days
March 3 days
The most windy months:
December 14 mph
January 14 mph
March 13 mph

Montauk on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Montauk
Local time: 19:52
05 oct, monday
2100 62°F
SE
27 mph
06 oct, tuesday
0000 58°F
SE
22 mph
0300 56°F
SE
23 mph
0600 52°F
SE
27 mph
0900 50°F
SE
23 mph
1200 54°F
SE
19 mph
1500 60°F
SE
19 mph
1800 62°F
SE
16 mph