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Water temperature in Bellport (NY) in August

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Is it warm enough to swim in Bellport in August? Average water temperature in Bellport in August is 73°F and therefore suitable for comfortable swimming. The warmest sea in Bellport in August is 77.7°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 Bellport

Changes water temperature in Bellport in August 2025, 2024

To get an accurate forecast for the water temperature in Bellport for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Bellport, 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 175.9°F73.6°F71.1°F77.5°F
August 273.8°F76.3°F71.1°F77.4°F
August 372.9°F75.7°F70.9°F77°F
August 472.7°F77.4°F71.1°F77.4°F
August 573.6°F76.8°F70.7°F76.8°F
August 673.4°F75.6°F70.7°F75.9°F
August 772.9°F75°F70.3°F77.2°F
August 872°F75°F70.7°F76.5°F
August 971.8°F75°F71.2°F76.6°F
August 1072.3°F73.9°F71.2°F76.8°F
August 1173.2°F72.7°F71.1°F77.4°F
August 1273.8°F72.1°F71.4°F77°F
August 1373.4°F72.7°F71.2°F76.5°F
August 1475°F72.1°F70.5°F77.4°F
August 1574.7°F72.5°F70.2°F76.6°F
Day 2025 2024 Min Max
August 1675.6°F71.6°F70.3°F76.5°F
August 1776.1°F72.7°F70.7°F76.1°F
August 1874.7°F72.7°F70.3°F77°F
August 1972.5°F73.4°F69.6°F76.8°F
August 2071.8°F71.8°F69.1°F75.6°F
August 2171.6°F71.1°F68.5°F76.1°F
August 2269.4°F70.5°F67.8°F75.2°F
August 2369.6°F70.7°F67.8°F75.2°F
August 2470.5°F70.9°F68.4°F75.4°F
August 2570.5°F71.2°F69.1°F75.9°F
August 2670.9°F71.4°F68.4°F75.6°F
August 2770.9°F71.4°F69.6°F75.9°F
August 2870°F72.7°F70°F77.7°F
August 2970.5°F72.9°F69.1°F76.6°F
August 3070.3°F70.9°F68.9°F75.4°F
August 3170.7°F70.5°F69.1°F74.7°F
Bellport water temp chart in August

Average water temperature in Bellport in August over a decade

20162017201820192020
74.5°F72.1°F73.8°F73°F75°F
20212022202320242025
74.3°F74.7°F72°F73°F73.2°F

Bellport sea state in August

Chart comparing the height of waves in Bellport 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 Bellport in August

Bellport 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
Mastic Beach72.9°F68°F76.8°F
Davis Park73.2°F67.8°F78.1°F
Fire Island Pines73°F67.6°F78.1°F
West Sayville74.1°F67.6°F81.9°F
Cupsogue Beach72.7°F68°F76.6°F
Moriches Bay72.7°F68°F76.5°F
Fire Island73.2°F67.5°F78.3°F
Ocean Beach73.2°F67.5°F78.3°F
Great River74.5°F67.6°F82.8°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 Bellport 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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