World sea water temperatures

Water temperature in Greenport in April

Is it warm enough to swim in Greenport in April? Average water temperature in Greenport in April is 45.1°F and therefore is not suitable for comfortable swimming. The warmest sea in Greenport in April is 52.5°F, and the coldest is 36.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Greenport

Changes water temperature in Greenport in April 2025, 2024

To get an accurate forecast for the water temperature in Greenport for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Greenport, 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 144.2°F43°F36.3°F46.2°F
April 244.8°F41.5°F36.9°F46.4°F
April 343.9°F41.5°F37°F46.2°F
April 443.5°F43.9°F37.8°F46.6°F
April 544.4°F43.7°F38.1°F46.8°F
April 644.2°F43.5°F38.7°F46.6°F
April 744.1°F44.1°F38.5°F47.7°F
April 845.9°F44.1°F38.7°F47.3°F
April 945.5°F43.5°F38.8°F47.1°F
April 1044.4°F41.7°F39°F47.5°F
April 1144.1°F43°F39.7°F47.5°F
April 1243.9°F43.3°F39.6°F47.7°F
April 1343.7°F45.9°F39.6°F48.7°F
April 1445.3°F47.3°F39.9°F49.3°F
April 1546.4°F46.4°F39.9°F48.7°F
Day 2025 2024 Min Max
April 1645.7°F48.9°F39.6°F51.6°F
April 1747.1°F49.6°F39.6°F52.5°F
April 1847.1°F49.1°F39.7°F51.6°F
April 1946.8°F48.2°F39.7°F51.4°F
April 2045.9°F49.8°F40.1°F51.6°F
April 2146.9°F50.2°F40.8°F52.3°F
April 2247.8°F50°F41.5°F52.2°F
April 2348.7°F49.3°F42.1°F50.9°F
April 2449.6°F49.5°F42.6°F50.5°F
April 2548.7°F50.4°F43.9°F51.3°F
April 2648.2°F50.2°F44.2°F52°F
April 2750.5°F50°F44.2°F51.4°F
April 2848°F49.8°F44.6°F52.2°F
April 2948.6°F48.7°F44.8°F51.6°F
April 3050°F49.1°F44.8°F51.4°F
Greenport water temp chart in April

Average water temperature in Greenport in April over a decade

20162017201820192020
45.3°F44.4°F42.4°F46.4°F46.8°F
20212022202320242025
47.1°F47.3°F48°F46.6°F46.2°F

Greenport sea state in April

Chart comparing the height of waves in Greenport 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 Greenport in April

Greenport 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
Southold45.3°F36.3°F52.9°F
Noyack45.5°F36.7°F52.7°F
Sag Harbor45.3°F36.7°F52.7°F
Peconic Bay45.3°F36.7°F52.7°F
Orient Point45°F36.5°F52.3°F
Gardiners Bay45.1°F36.7°F52.5°F
Hammonasset Beach44.2°F36°F52.5°F
Breakwater Beach45.5°F36.5°F52.9°F
Old Lyme44.2°F36.3°F52°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 Greenport 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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