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Water temperature in Alexandria Bay (NY) in April

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Is it warm enough to swim in Alexandria Bay in April? Average water temperature in Alexandria Bay in April is 40.3°F and therefore is not suitable for comfortable swimming. The warmest water in Alexandria Bay in April is 46.8°F, and the coldest is 32°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Alexandria Bay

Changes water temperature in Alexandria Bay in April 2025, 2024

To get an accurate forecast for the water temperature in Alexandria 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 Alexandria 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 139.7°F40.1°F32°F40.8°F
April 239.7°F40.1°F32.5°F40.6°F
April 339.9°F40.1°F32.9°F41°F
April 439.9°F40.3°F32.9°F41.4°F
April 539.9°F41.4°F33.1°F41.4°F
April 639.9°F41.7°F33.6°F41.7°F
April 740.1°F41.7°F33.4°F41.7°F
April 840.3°F42.1°F33.4°F42.1°F
April 940.3°F42.1°F33.6°F42.1°F
April 1040.3°F42.1°F34.3°F42.1°F
April 1140.8°F43°F34.5°F43°F
April 1240.8°F42.8°F35.1°F42.8°F
April 1341°F42.8°F36°F43.3°F
April 1441°F42.6°F36.3°F43.2°F
April 1541°F42.6°F35.8°F43°F
Day 2025 2024 Min Max
April 1641°F41.4°F36°F44.1°F
April 1739.4°F43°F36.3°F43.7°F
April 1838.8°F43°F36.7°F44.1°F
April 1938.3°F43.7°F37.6°F44.6°F
April 2041.5°F45°F37°F45°F
April 2140.8°F43.2°F36.1°F44.2°F
April 2241°F43°F36.5°F44.2°F
April 2340.6°F43.2°F36.7°F44.1°F
April 2441.5°F43.7°F37.2°F43.7°F
April 2541.9°F43.3°F38.1°F44.6°F
April 2643°F43.2°F38.3°F44.8°F
April 2744.6°F42.8°F38.3°F44.8°F
April 2843.5°F45°F39.4°F45°F
April 2946.8°F45°F39.6°F46.8°F
April 3045.1°F43°F39.7°F45.3°F
Alexandria Bay water temp chart in April

Average water temperature in Alexandria Bay in April over a decade

20162017201820192020
40.6°F41.9°F38.5°F37.9°F40.5°F
20212022202320242025
41.9°F40.5°F41.4°F42.6°F41.2°F

Alexandria Bay sea state in April

Chart comparing the height of waves in Alexandria Bay 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 Alexandria Bay in April

Alexandria 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
Clayton40.8°F33.8°F47.1°F
Gananoque40.8°F33.1°F47.7°F
Kingston39°F32.5°F46.6°F
Dexter39.4°F30.7°F49.5°F
Henderson Harbor39.2°F30.6°F46.8°F
Pillar Point39.2°F30.6°F46.8°F
Sackets Harbor39.2°F30.6°F46.8°F
Southwick Beach39°F30.2°F45.5°F
Greater Napanee38.5°F32°F47.8°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 Alexandria 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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