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Water temperature in Greencastle (IN) in March

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Is it warm enough to swim in Greencastle in March? Average water temperature in Greencastle in March is 43.9°F and therefore is not suitable for comfortable swimming. The warmest water in Greencastle in March is 55.4°F, and the coldest is 37.4°F. To find out the water temperature today and in the coming days, go to Current water temperature in Greencastle

Changes water temperature in Greencastle in March 2025, 2024

To get an accurate forecast for the water temperature in Greencastle for any chosen month, compare two years within a 10 year range using the chart below.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024
March 137.4°F42.8°F
March 237.4°F42.8°F
March 337.4°F42.8°F
March 439.2°F44.6°F
March 539.2°F44.6°F
March 639.2°F46.4°F
March 739.2°F46.4°F
March 839.2°F46.4°F
March 939.2°F46.4°F
March 1041°F46.4°F
March 1141°F46.4°F
March 1241°F48.2°F
March 1342.8°F48.2°F
March 1442.8°F50°F
March 1544.6°F50°F
Day 2025 2024
March 1646.4°F51.8°F
March 1746.4°F48.2°F
March 1846.4°F48.2°F
March 1946.4°F42.8°F
March 2046.4°F41°F
March 2146.4°F41°F
March 2248.2°F39.2°F
March 2346.4°F42.8°F
March 2442.8°F44.6°F
March 2544.6°F44.6°F
March 2648.2°F46.4°F
March 2748.2°F46.4°F
March 2848.2°F48.2°F
March 2950°F53.6°F
March 3050°F53.6°F
March 3151.8°F53.6°F

Greencastle 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

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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 Greencastle 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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