World sea water temperatures

Water temperature in Cedar Beach in August

Is it warm enough to swim in Cedar Beach in August? Average water temperature in Cedar Beach in August is 73.8°F and therefore suitable for comfortable swimming. The warmest sea in Cedar Beach in August is 78.4°F, and the coldest is 67.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cedar Beach

Changes water temperature in Cedar Beach in August 2025, 2024

To get an accurate forecast for the water temperature in Cedar Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cedar Beach, 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 178.4°F74.7°F72°F78.4°F
August 275.7°F76.5°F71.8°F78.4°F
August 373.9°F77°F71.8°F77°F
August 473.9°F77.5°F71.4°F77.5°F
August 574.5°F77.4°F71.2°F77.4°F
August 674.3°F75.9°F71.1°F77.5°F
August 772.9°F75.4°F70.9°F77.5°F
August 872.1°F74.7°F71.2°F77.9°F
August 972.1°F75.6°F71.6°F77.4°F
August 1072.3°F75.6°F71.8°F77.9°F
August 1173.2°F73.6°F71.1°F76.5°F
August 1274.1°F72.1°F72°F77°F
August 1375°F72.1°F71.8°F77.4°F
August 1475.9°F72.3°F70.9°F77.5°F
August 1575.9°F73.2°F70.7°F77.4°F
Day 2025 2024 Min Max
August 1676.3°F73.2°F70.7°F77.5°F
August 1776.6°F73.4°F70.9°F76.8°F
August 1874.5°F73.6°F70.9°F77.7°F
August 1974.5°F73.6°F70°F76.8°F
August 2073.9°F71.8°F69.3°F76.6°F
August 2172°F71.6°F68.4°F77°F
August 2270.2°F70.7°F67.6°F75.7°F
August 2371.2°F71.2°F67.5°F76.6°F
August 2472.5°F71.6°F68°F75.7°F
August 2573°F71.6°F68.9°F76.8°F
August 2672.5°F71.8°F69.1°F76.5°F
August 2772.1°F72°F69.8°F77.2°F
August 2871.4°F72.3°F70.2°F78.3°F
August 2970.9°F72.9°F69.4°F76.5°F
August 3071.2°F71.6°F69.1°F76.5°F
August 3171.1°F71.1°F69.4°F75.6°F
Cedar Beach water temp chart in August

Average water temperature in Cedar Beach in August over a decade

20162017201820192020
75.2°F73°F75.6°F73.2°F75°F
20212022202320242025
74.8°F74.8°F72.9°F73.4°F74.3°F

Cedar Beach sea state in August

Chart comparing the height of waves in Cedar Beach 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 Cedar Beach in August

Cedar Beach 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
Oak Beach73.6°F67.5°F78.6°F
Amityville74.1°F67.6°F79.9°F
Saltaire73.4°F67.5°F78.6°F
Islip74.5°F67.6°F82.9°F
Great River74.5°F67.6°F82.8°F
Fire Island73.2°F67.5°F78.3°F
West Sayville74.1°F67.6°F81.9°F
Baldwin Harbor73.9°F68.4°F78.6°F
Point Lookout73.9°F68.4°F78.6°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 Cedar Beach 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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