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Water temperature in Indiana Dunes (IN) in March

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Is it warm enough to swim in Indiana Dunes in March? Average water temperature in Indiana Dunes in March is 36.3°F and therefore is not suitable for comfortable swimming. The warmest water in Indiana Dunes in March is 45.5°F, and the coldest is 30.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Indiana Dunes

Changes water temperature in Indiana Dunes in March 2025, 2024

To get an accurate forecast for the water temperature in Indiana Dunes for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Indiana Dunes, 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 2025 2024 Min Max
March 133.8°F37.6°F31.6°F37.6°F
March 233.6°F38.1°F31.8°F38.1°F
March 333.6°F38.3°F31.5°F38.3°F
March 433.6°F38.5°F31.6°F38.5°F
March 533.8°F38.1°F31.5°F38.1°F
March 634.2°F39.7°F31.6°F39.7°F
March 734.2°F39.2°F31.8°F39.2°F
March 834.2°F38.8°F31.8°F38.8°F
March 935.6°F40.3°F31.8°F40.3°F
March 1036°F39.9°F32.7°F39.9°F
March 1136.3°F40.1°F32.7°F40.1°F
March 1235.8°F39°F30.9°F40.6°F
March 1337°F40.1°F31.8°F40.1°F
March 1438.8°F39.9°F32.5°F40.5°F
March 1538.3°F41.7°F32.5°F45.5°F
Day 2025 2024 Min Max
March 1637.9°F41.7°F31.8°F45°F
March 1738.1°F41.4°F32.2°F41.4°F
March 1837.8°F40.5°F32.4°F43.5°F
March 1937.4°F39.9°F32.4°F43.3°F
March 2038.1°F40.8°F32.5°F43.5°F
March 2138.5°F41°F32.7°F43.5°F
March 2239°F40.5°F32.9°F43°F
March 2339.4°F40.6°F31.6°F43.3°F
March 2439.4°F40.3°F31.8°F43°F
March 2539°F39.9°F31.8°F45.5°F
March 2639.7°F39.9°F33.3°F43.3°F
March 2739.6°F41.2°F33.1°F44.2°F
March 2839.4°F40.1°F33.1°F43.2°F
March 2939.4°F40.8°F32.9°F43.2°F
March 3039°F41.4°F32.9°F42.4°F
March 3140.8°F40.8°F34.7°F41.9°F
Indiana Dunes water temp chart in March

Average water temperature in Indiana Dunes in March over a decade

20162017201820192020
36.3°F37.8°F36.1°F34.9°F36.1°F
20212022202320242025
36.9°F34.7°F36.9°F39.9°F37.2°F

Indiana Dunes sea state in March

Chart comparing the height of waves in Indiana Dunes 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 Indiana Dunes in March

Indiana Dunes water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Water temperature in Lake Michigan in March

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
Porter Beach36.3°F30.9°F45.5°F
Beverly Shores36.3°F31.1°F45.5°F
Chesterton36.3°F30.7°F45.5°F
Dune Acres36.3°F30.7°F45.5°F
Burns Harbor36.1°F30.7°F45.5°F
Ogden Dunes36.1°F30.6°F45.5°F
Long Beach36.1°F31.3°F45.9°F
Washington Park Beach36.1°F31.3°F45.9°F
West Beach36.1°F30.7°F45.3°F
Portage36.1°F30.7°F45.3°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 Indiana Dunes 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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