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Water temperature in Southold (NY) in August

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Is it warm enough to swim in Southold in August? Average water temperature in Southold in August is 73.8°F and therefore suitable for comfortable swimming. The warmest sea in Southold in August is 80.6°F, and the coldest is 67.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Southold

Changes water temperature in Southold in August 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 176.1°F77.5°F70.5°F79.7°F
August 277°F77.5°F70.3°F79.5°F
August 375.9°F76.5°F70.3°F80.2°F
August 474.8°F75.4°F70.5°F80.1°F
August 575.4°F77.9°F71.1°F78.8°F
August 673.8°F78.1°F71.2°F79.7°F
August 776.1°F76.8°F70.7°F80.6°F
August 874.3°F76.3°F70.9°F80.4°F
August 975.4°F75.4°F70.9°F80.4°F
August 1075.2°F77°F71.2°F80.2°F
August 1176.5°F75.9°F71.2°F79.7°F
August 1276.1°F76.3°F71.2°F79.5°F
August 1375.6°F75.9°F70.2°F78.8°F
August 1477.2°F75°F70.7°F79°F
August 1577.9°F76.8°F70.7°F78.4°F
Day 2025 2024 Min Max
August 1677.2°F76.8°F70.3°F77.7°F
August 1776.3°F75.2°F70.5°F77.2°F
August 1876.1°F74.5°F69.6°F76.6°F
August 1975.6°F73.9°F69.1°F76.5°F
August 2073.8°F75.6°F68.7°F77.7°F
August 2172.9°F74.7°F68.4°F77.2°F
August 2272.5°F73.2°F67.8°F78.8°F
August 2372.7°F72.9°F67.8°F76.6°F
August 2473.2°F73.8°F68.2°F77.7°F
August 2572.5°F72.7°F68.9°F77.7°F
August 2672.3°F73°F69.1°F78.1°F
August 2772.3°F73.9°F69.1°F78.3°F
August 2872.7°F74.5°F69.1°F77.5°F
August 2972.1°F73.9°F69.1°F78.4°F
August 3072.1°F73.2°F69.3°F77.9°F
August 3171.1°F72.9°F68.4°F77.5°F
Southold water temp chart in August

Average water temperature in Southold in August over a decade

20162017201820192020
73.8°F71.6°F75.2°F76.1°F77.2°F
20212022202320242025
76.5°F77.7°F74.8°F75.2°F75.4°F

Southold sea state in August

Chart comparing the height of waves in Southold in August 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 Southold in August

Southold 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 August?

Want to know where the water temperature in August 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 August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
New York City74.5°F69.4°F79.2°F
Breakwater Beach74.3°F68°F81.7°F
New Suffolk73.8°F68°F80.6°F
Gardiners Bay72.1°F67.1°F77.9°F
Orient Point72°F66.7°F77.9°F
Hammonasset Beach72.9°F68°F78.1°F
Shinnecock Hills72.7°F68°F77.5°F
Meschutt Beach72.7°F68°F77.5°F
Flanders73.8°F68.2°F80.2°F
Wainscott71.6°F67.3°F76.1°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 Southold 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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