World Resorts USA Montauk Weather

Montauk sea water temperature

Current sea water temperature:
+59.9°F
Minimum sea water temperature in October: 69.3°F
Maximum sea water temperature in October: 59.7°F
Average sea water temperature in October: 63.8°F

Sea water temperature for the last 10 days:

October 28 59.9°F October 23 60.4°F
October 27 59.9°F October 22 61.2°F
October 26 60.3°F October 21 61.3°F
October 25 59.9°F October 20 61.7°F
October 24 59.7°F October 19 62.2°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 71.3°F. The highest and lowest sea temperatures during the month were 73.0°F and 69.4°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 68.7°F. The highest and lowest sea temperatures during the month were 70.7°F and 63.7°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.

Best time for vacation in Montauk

Sunniest months:
November 16 days
October 14 days
December 14 days
Warmest months:
July 77.0 °F
August 76.1 °F
June 70.2 °F
Warmest sea temp:
August 70.4 °F
September 68.9 °F
July 68.2 °F
Coldest months:
January 36.6 °F
February 36.8 °F
December 41.9 °F
Rainiest months:
November 3 days
September 3 days
October 3 days
Windiest months:
December 14.3 mph
January 14.2 mph
March 13.6 mph

Montauk on a weather map

Montauk
+61°F
NE 14 mph
Feels like: +61°F
Precip.: 9%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Montauk
Local time: 12:35
October 29, thursday
1500
61°F
NE
16 mph
1800
61°F
NE
16 mph
2100
61°F
NE
18 mph
October 30, friday
0000
61°F
NE
19 mph
0300
61°F
NE
19 mph
0600
59°F
NE
17 mph
0900
59°F
E
14 mph
1200
61°F
E
13 mph
Units of measurement: °C / °F