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Water temperature in Bellport (NY) in March

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Is it warm enough to swim in Bellport in March? Average water temperature in Bellport in March is 40.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Bellport in March is 50.4°F, and the coldest is 34.3°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 March 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 March.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
March 138.5°F40.5°F35.6°F43°F
March 237.9°F43.2°F35.2°F43.2°F
March 337.6°F43.5°F35.2°F43.7°F
March 437.9°F43.2°F34.3°F44.2°F
March 538.1°F42.8°F34.3°F43.5°F
March 638.5°F42.6°F35.1°F43°F
March 738.5°F42.4°F34.9°F42.8°F
March 838.7°F43.3°F35.1°F44.1°F
March 938.8°F43.2°F35.2°F45°F
March 1039.7°F43.3°F35.6°F43.7°F
March 1140.3°F43°F36.3°F44.2°F
March 1240.1°F43.5°F35.8°F44.4°F
March 1339.4°F43°F35.8°F45.3°F
March 1439.6°F43.5°F36°F45.9°F
March 1541.9°F43°F35.6°F45.3°F
Day 2025 2024 Min Max
March 1639.9°F45.1°F35.6°F45.1°F
March 1739.9°F45°F35.6°F45.3°F
March 1840.5°F45.7°F35.8°F46.4°F
March 1940.8°F44.2°F36.1°F46.8°F
March 2041.2°F44.8°F36.1°F46.9°F
March 2142.8°F43.3°F36.5°F47.3°F
March 2243°F43.5°F36.1°F48.7°F
March 2342.4°F43.5°F36°F50.4°F
March 2442.6°F43.3°F36.5°F48.6°F
March 2542.8°F43.5°F37°F47.8°F
March 2643°F43.7°F37.6°F47.5°F
March 2742.4°F43.9°F37.6°F47.3°F
March 2842.6°F43.9°F37.4°F46.8°F
March 2942.8°F43.2°F37.2°F46.9°F
March 3042.8°F44.2°F37.6°F47.3°F
March 3143.7°F44.6°F37.6°F46.8°F
Bellport water temp chart in March

Average water temperature in Bellport in March over a decade

20162017201820192020
42.8°F40.8°F40.3°F39.7°F43.5°F
20212022202320242025
40.8°F41.7°F42.8°F43.5°F40.6°F

Bellport sea state in March

Chart comparing the height of waves in Bellport in March 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 March

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 March?

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

AvrMinMax
New York City41.2°F35.1°F50.5°F
Mastic Beach40.8°F35.1°F50.4°F
Davis Park40.8°F33.6°F50.4°F
Fire Island Pines40.8°F33.4°F50.4°F
West Sayville40.8°F32.5°F50.4°F
Cupsogue Beach41°F35.6°F50.4°F
Moriches Bay40.8°F35.2°F50.4°F
Fire Island40.8°F32.9°F50.4°F
Ocean Beach40.8°F32.9°F50.4°F
Great River40.8°F32.4°F50.2°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 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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