World sea water temperatures

Water temperature in Sewaren (NJ) in May

Is it warm enough to swim in Sewaren in May? Average water temperature in Sewaren in May is 57.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Sewaren in May is 68.9°F, and the coldest is 48.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Sewaren

Changes water temperature in Sewaren in May 2025, 2024

To get an accurate forecast for the water temperature in Sewaren for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Sewaren, 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 156.5°F57.2°F48.6°F57.2°F
May 254.5°F61.3°F49.8°F61.3°F
May 357.6°F59.5°F50.7°F59.5°F
May 456.8°F57.9°F51.4°F57.9°F
May 556.5°F57.4°F51.6°F57.4°F
May 657.7°F57.6°F51.6°F57.7°F
May 759.2°F57.9°F50.5°F59.2°F
May 859°F57.9°F51.3°F59°F
May 958.8°F59.2°F52.2°F59.2°F
May 1061.7°F56.5°F52.5°F61.7°F
May 1160.8°F57.9°F50.5°F60.8°F
May 1261.3°F57.6°F52.2°F61.3°F
May 1360.8°F60.1°F52°F60.8°F
May 1460.3°F59.2°F52.5°F60.3°F
May 1560.4°F59.2°F52.9°F60.4°F
Day 2025 2024 Min Max
May 1660.4°F59.2°F53.6°F62.1°F
May 1762.8°F59.2°F54°F62.8°F
May 1862.8°F59°F54.5°F62.8°F
May 1962.2°F62.4°F52.9°F62.4°F
May 2061.3°F61.5°F54.9°F63.1°F
May 2161.2°F64.4°F55.4°F64.4°F
May 2261°F65.7°F55.6°F65.7°F
May 2360.3°F67.1°F56.3°F67.1°F
May 2458.5°F65.8°F57°F65.8°F
May 2558.8°F64.8°F56.3°F65.5°F
May 2660.3°F64.4°F54.5°F64.4°F
May 2759.9°F64.4°F56.5°F68°F
May 2860.1°F68.2°F57.6°F68.2°F
May 2960.3°F66.7°F58.6°F66.7°F
May 3059.4°F68.9°F59.4°F68.9°F
May 3159.5°F66.6°F59.5°F68.4°F
Sewaren water temp chart in May

Average water temperature in Sewaren in May over a decade

20162017201820192020
56.3°F56.5°F56.8°F59°F55.4°F
20212022202320242025
59.5°F57.7°F58.8°F61.3°F59.7°F

Sewaren sea state in May

Chart comparing the height of waves in Sewaren 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 Sewaren in May

Sewaren 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
Woodbridge57.4°F48.7°F68.7°F
Laurence Harbor57.4°F48.7°F68.7°F
Tottenville57.4°F48.7°F68.7°F
South Amboy57.4°F48.7°F68.7°F
Staten Island57°F48.6°F67.8°F
Union Beach57.2°F48.6°F68.5°F
Raritan Bay57.2°F48.6°F68.5°F
Great Kills57°F48.6°F68°F
North Middletown57°F48.6°F68°F
Keansburg57°F48.6°F67.8°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 Sewaren 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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