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Water temperature in Upper Bay (NY) in April

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Is it warm enough to swim in Upper Bay in April? Average water temperature in Upper Bay in April is 47.5°F and therefore is not suitable for comfortable swimming. The warmest sea in Upper Bay in April is 54°F, and the coldest is 40.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Upper Bay

Changes water temperature in Upper Bay in April 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 146°F43.7°F40.3°F47.5°F
April 245.9°F44.1°F41.5°F46.4°F
April 345.7°F44.1°F41.9°F48°F
April 444.6°F46.8°F41.7°F49.1°F
April 545.7°F43.5°F42.1°F47.3°F
April 645.9°F45.5°F41.5°F48.2°F
April 745.9°F45.5°F41.2°F48.6°F
April 846°F45°F41.4°F49.3°F
April 946°F45.9°F41°F49.1°F
April 1046.2°F46.2°F41.2°F48°F
April 1146°F48.9°F43°F48.9°F
April 1245.9°F48.2°F42.1°F51.1°F
April 1345°F48.6°F44.4°F49.3°F
April 1445.5°F48.9°F44.4°F52.9°F
April 1545.9°F50.4°F41.7°F53.8°F
Day 2025 2024 Min Max
April 1646.8°F50.7°F41.9°F50.7°F
April 1747.5°F49.6°F42.3°F53.8°F
April 1846.2°F49.6°F42.4°F50.7°F
April 1945°F50.2°F42.8°F53.4°F
April 2046.8°F49.5°F43.3°F51.4°F
April 2148.2°F48.6°F46°F51.1°F
April 2248.9°F49.6°F44.8°F51.3°F
April 2350.7°F50.9°F45.3°F53.2°F
April 2451.3°F52.5°F45.7°F53.6°F
April 2552.5°F49.1°F46.9°F53.4°F
April 2652°F50.4°F47.7°F52.9°F
April 2751.3°F49.8°F48.4°F53.1°F
April 2850.7°F50°F47.8°F53.1°F
April 2952.7°F53.2°F48.6°F53.2°F
April 3053.8°F52.9°F48°F53.8°F
Upper Bay water temp chart in April

Average water temperature in Upper Bay in April over a decade

20162017201820192020
48.7°F47.7°F45.1°F48°F48.2°F
20212022202320242025
49.1°F47.5°F50.4°F48.4°F47.7°F

Upper Bay 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 April?

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

AvrMinMax
New York City47.5°F40.3°F54°F
Coney Island47.1°F39.9°F54°F
Staten Island47.8°F40.5°F55°F
Cedar Grove Beach47.7°F40.3°F54.7°F
Manhattan Beach46.9°F39.7°F54°F
Brighton Beach46.9°F39.7°F54°F
Great Kills47.8°F40.5°F55.8°F
East New York46.9°F39.6°F54°F
Brooklyn47.1°F39.9°F54.1°F
North Middletown47.8°F40.3°F56.5°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 Upper Bay 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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