World sea water temperatures

Water temperature in West Sayville in May

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Is it warm enough to swim in West Sayville in May? Average water temperature in West Sayville in May is 54.5°F and therefore is not suitable for comfortable swimming. The warmest sea in West Sayville in May is 66.9°F, and the coldest is 46°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in West Sayville

Changes water temperature in West Sayville in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 151.1°F50.4°F46°F54.1°F
May 250.2°F52°F47.1°F54.9°F
May 350°F53.6°F47.5°F56.1°F
May 450°F54.9°F47.7°F56.8°F
May 550.2°F54.3°F47.8°F57°F
May 652.2°F53.8°F48.7°F56.7°F
May 752.9°F52.5°F48°F58.3°F
May 854°F53.4°F48.6°F60.1°F
May 954.1°F53.8°F49.3°F60.4°F
May 1054.5°F53.2°F49.6°F60.3°F
May 1154.3°F53.2°F50.4°F59.9°F
May 1255.4°F54°F50.2°F61°F
May 1354.3°F55°F49.6°F63°F
May 1454.1°F54.1°F50.2°F63.3°F
May 1553.4°F54.3°F51.3°F63.1°F
Day 2025 2024 Min Max
May 1654°F53.2°F51.1°F63.1°F
May 1756.5°F53.4°F51.1°F62.6°F
May 1857.2°F53.8°F51.3°F61.2°F
May 1956.1°F53.2°F48.9°F61.2°F
May 2056.3°F54.9°F51.6°F61.5°F
May 2156.1°F54.5°F52°F62.4°F
May 2256.5°F55°F52.3°F62.4°F
May 2356.5°F56.5°F53.2°F62.6°F
May 2455.6°F57°F53.6°F62.6°F
May 2555.9°F56.7°F54°F64.2°F
May 2657.4°F56.1°F54°F64.2°F
May 2757.4°F57.6°F54.7°F65.1°F
May 2857.6°F59.5°F54.7°F66.9°F
May 2957.6°F59.7°F55.4°F66.6°F
May 3056.8°F58.6°F55.9°F66.6°F
May 3157°F60.3°F54.5°F66.6°F
West Sayville water temp chart in May

Average water temperature in West Sayville in May over a decade

20162017201820192020
53.1°F53.1°F52.7°F57.2°F52.9°F
20212022202320242025
58.3°F53.6°F60.4°F54.9°F54.7°F

West Sayville sea state in May

Chart comparing the height of waves in West Sayville in May 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 West Sayville in May

West Sayville 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 May?

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

AvrMinMax
New York City56.7°F48.7°F66.9°F
Great South Bay54.3°F46°F65.7°F
Bayport Beach54°F46°F65.5°F
Bay Shore54.3°F46.2°F65.8°F
Davis Park53.6°F45.9°F65.5°F
Ocean Beach53.8°F45.9°F65.7°F
Kismet53.8°F46°F65.8°F
Fire Island Pines53.6°F45.9°F65.7°F
Saltaire53.8°F46°F65.8°F
Babylon54.5°F46.4°F65.8°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 West Sayville 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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