World sea water temperatures

Water temperature in Great River in April

Is it warm enough to swim in Great River in April? Average water temperature in Great River in April is 46.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Great River in April is 56.5°F, and the coldest is 37.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Great River

Changes water temperature in Great River in April 2025, 2024

To get an accurate forecast for the water temperature in Great River for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Great River, 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 146.9°F47.7°F37.6°F47.7°F
April 246.8°F46.2°F37.9°F47.3°F
April 346°F45.9°F38.1°F47.5°F
April 444.8°F45.7°F38.5°F48°F
April 544.1°F45°F38.7°F47.8°F
April 645°F45.3°F39.6°F47.5°F
April 744.8°F44.6°F39.6°F47.8°F
April 847.3°F45.1°F39.6°F48.2°F
April 946.8°F45°F39.4°F48.7°F
April 1046.2°F43.9°F39.6°F49.5°F
April 1145.7°F44.6°F39.9°F48.9°F
April 1245.3°F45.9°F40.6°F48.9°F
April 1345.1°F47.8°F41.4°F50.2°F
April 1445.9°F48.9°F41.2°F50.4°F
April 1545.3°F50.5°F41.4°F53.8°F
Day 2025 2024 Min Max
April 1646.4°F50.4°F41.4°F52.7°F
April 1747.5°F52°F41.4°F53.2°F
April 1848°F50.7°F41.5°F53.8°F
April 1946°F49.8°F41.9°F54.3°F
April 2047.3°F49.8°F42.3°F54.7°F
April 2148.6°F50.5°F43°F54.7°F
April 2248.2°F50°F43.5°F52.9°F
April 2347.8°F50.2°F43.9°F51.6°F
April 2448.9°F51.4°F44.1°F51.4°F
April 2550.5°F52.9°F44.1°F52.9°F
April 2650.4°F53.6°F44.6°F54.5°F
April 2749.8°F51.6°F45.1°F53.6°F
April 2848.7°F51.3°F45.9°F54.5°F
April 2948.9°F51.3°F46.4°F55.9°F
April 3050.4°F50.7°F46.2°F56.5°F
Great River water temp chart in April

Average water temperature in Great River in April over a decade

20162017201820192020
46.9°F45.9°F44.1°F47.3°F48°F
20212022202320242025
50.4°F48°F49.5°F48.6°F47.1°F

Great River sea state in April

Chart comparing the height of waves in Great River in April 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 Great River in April

Great River 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
West Sayville46.2°F37.6°F55.9°F
Great South Bay46°F37.6°F54.5°F
Bay Shore46.2°F37.8°F54°F
Babylon46.2°F37.8°F53.4°F
Kismet45.7°F37.8°F53.1°F
Saltaire45.7°F37.8°F53.1°F
Ocean Beach45.7°F37.8°F53.1°F
Bayport Beach45.9°F37.6°F53.8°F
Davis Park45.5°F37.8°F53.1°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 Great River 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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