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Water temperature in Alexandria Bay (NY) in March

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Is it warm enough to swim in Alexandria Bay in March? Average water temperature in Alexandria Bay in March is 38.5°F and therefore is not suitable for comfortable swimming. The warmest water in Alexandria Bay in March is 42.3°F, and the coldest is 32.2°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 March 2026, 2025

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 March.

You can choose any other years:

Year 1:   Year 2:


Day 2026 2025 Min Max
March 139.7°F39.7°F32.5°F42.3°F
March 239.7°F39.7°F32.7°F41.9°F
March 339.7°F39.7°F32.7°F41.5°F
March 439.7°F39.7°F32.7°F41.5°F
March 539.7°F39.7°F32.5°F41.4°F
March 639.7°F39.7°F32.7°F41.2°F
March 739.6°F39.7°F32.5°F41.2°F
March 839.6°F39.7°F32.5°F41.4°F
March 939.6°F39.7°F33.1°F41.4°F
March 10 39.7°F33.4°F41.5°F
March 11 39.7°F32.7°F41.4°F
March 12 39.7°F32.5°F41.2°F
March 13 39.7°F32.7°F41.2°F
March 14 39.7°F33.1°F40.6°F
March 15 39.7°F32.5°F40.3°F
Day 2026 2025 Min Max
March 16 39.7°F32.5°F40.6°F
March 17 39.7°F32.7°F40.6°F
March 18 39.7°F32.9°F40.6°F
March 19 39.7°F32.9°F40.8°F
March 20 39.7°F33.1°F41.9°F
March 21 39.7°F32.7°F41.7°F
March 22 39.7°F32.9°F40.5°F
March 23 38.8°F32.7°F40.8°F
March 24 39°F32.5°F41.2°F
March 25 39.2°F32.9°F41.2°F
March 26 39.2°F33.4°F40.8°F
March 27 39.4°F33.1°F41.7°F
March 28 39.6°F32.9°F41.5°F
March 29 39.6°F32.7°F40.6°F
March 30 39.7°F32.5°F40.6°F
March 31 39.7°F32.2°F41°F
Alexandria Bay water temp chart in March

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Average water temperature in Alexandria Bay in March over a decade

20162017201820192020
37.2°F40.8°F39.6°F38.5°F39.7°F
20212022202320242025
39.7°F38.8°F39.6°F39.7°F39.6°F

Alexandria Bay sea state in March

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

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 March?

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

AvrMinMax
New York City41.2°F35.1°F50.5°F
Clayton39.7°F34.3°F44.1°F
Gananoque39.7°F34.5°F44.2°F
Kingston36°F32.5°F40.5°F
Dexter34°F30.6°F39.7°F
Henderson Harbor34.2°F30.4°F39.7°F
Pillar Point34.2°F30.4°F39.7°F
Sackets Harbor34.2°F30.4°F39.7°F
Southwick Beach35.1°F30.7°F40.3°F
Greater Napanee33.4°F30.7°F38.5°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 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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