World sea water temperatures

Water temperature in Rocky Neck (CT) in July

Is it warm enough to swim in Rocky Neck in July? Average water temperature in Rocky Neck in July is 68.4°F and therefore suitable for comfortable swimming. The warmest sea in Rocky Neck in July is 73.6°F, and the coldest is 62.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Rocky Neck

Changes water temperature in Rocky Neck in July 2025, 2024

To get an accurate forecast for the water temperature in Rocky Neck for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Rocky Neck, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
July 165.8°F62.6°F62.2°F67.8°F
July 265.7°F63.7°F62.6°F68.2°F
July 365.3°F64.4°F63.1°F68.4°F
July 466.2°F65.3°F63.3°F68.5°F
July 565.8°F66.6°F63°F69.8°F
July 667.1°F67.3°F62.6°F69.6°F
July 768.5°F69.3°F63.7°F70.5°F
July 870.7°F69.1°F64°F70.9°F
July 971.4°F68.9°F64.2°F71.8°F
July 1071.2°F69.4°F64.8°F72.3°F
July 1171.4°F69.3°F64.9°F73°F
July 1271.1°F69.8°F64.9°F73.4°F
July 1372.3°F70.2°F64.9°F72.3°F
July 1469.6°F70.5°F65.5°F71.4°F
July 1569.1°F70.7°F65.1°F71.2°F
Day 2025 2024 Min Max
July 1670.5°F73°F65.3°F73°F
July 1771.2°F73.2°F65.5°F73.2°F
July 1868.7°F72.9°F66°F72.9°F
July 1968.9°F69.4°F66.2°F72°F
July 2069.6°F70.3°F66°F72.7°F
July 2168.7°F70.2°F65.8°F72.7°F
July 2268.5°F71.6°F66°F72.7°F
July 2369.3°F71.4°F65.5°F72.5°F
July 2469.3°F71.2°F64.4°F72.3°F
July 2569.1°F68.7°F65.3°F72.5°F
July 2669.6°F67.5°F66°F71.6°F
July 2767.8°F66.9°F66.9°F71.6°F
July 2869.6°F67.6°F67.3°F73.4°F
July 2970.5°F67.1°F67.1°F73°F
July 3070.3°F68.7°F68°F73.6°F
July 3171.8°F69.4°F68.2°F72.9°F
Rocky Neck water temp chart in July

Average water temperature in Rocky Neck in July over a decade

20162017201820192020
67.6°F68°F68.9°F69.1°F69.4°F
20212022202320242025
67.8°F68.5°F69.6°F68.9°F69.3°F

Rocky Neck sea state in July

Chart comparing the height of waves in Rocky Neck in July over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Rocky Neck in July

Rocky Neck water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in July?

Want to know where the water temperature in July is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Plum Island69.1°F62.6°F75°F
Greenport71.6°F63.3°F79.3°F
Shelter Island Heights71.6°F63.3°F79.3°F
Mystic67.8°F61.7°F74.5°F
Southold72.3°F63.5°F80.6°F
Sag Harbor71.4°F63.3°F78.6°F
Peconic Bay71.4°F63.3°F78.6°F
Clinton70.9°F64°F76.3°F
Stonington67.6°F61.9°F73.9°F
Madison71.2°F64°F77.2°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Rocky Neck is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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