World sea water temperatures

Water temperature in Calumet (MI) in April

Is it warm enough to swim in Calumet in April? Average water temperature in Calumet in April is 34.9°F and therefore is not suitable for comfortable swimming. The warmest water in Calumet in April is 39.2°F, and the coldest is 31.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Calumet

Changes water temperature in Calumet in April 2025, 2024

To get an accurate forecast for the water temperature in Calumet for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Calumet, 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 135.1°F34.5°F31.8°F36.9°F
April 234.7°F34.5°F31.6°F36.3°F
April 334.5°F34.5°F31.8°F37.2°F
April 434.7°F35.2°F31.8°F36.3°F
April 534.7°F36°F31.8°F36.5°F
April 635.1°F35.8°F31.3°F37.4°F
April 734.3°F36.9°F32°F37°F
April 834.3°F36.5°F31.3°F37.6°F
April 934.3°F36.3°F31.5°F37.2°F
April 1034.7°F36.1°F31.5°F37.4°F
April 1134.7°F36°F31.6°F37.6°F
April 1234.9°F37.6°F31.8°F37.6°F
April 1334.9°F37.2°F33.4°F37.4°F
April 1434.9°F37°F33.3°F37.8°F
April 1534.9°F36.7°F31.5°F37.8°F
Day 2025 2024 Min Max
April 1635.2°F37°F32.7°F37°F
April 1735.2°F36.9°F32.9°F37.2°F
April 1835.2°F36.7°F33.3°F37.4°F
April 1935.1°F36.5°F33.3°F37.4°F
April 2035.4°F37.6°F32.9°F37.8°F
April 2135.6°F38.3°F33.1°F38.3°F
April 2235.2°F37.9°F33.3°F37.9°F
April 2336.3°F37.9°F32.5°F38.1°F
April 2435.2°F37.8°F33.6°F37.8°F
April 2534.9°F37.8°F33.3°F37.8°F
April 2635.6°F38.7°F33.4°F39.2°F
April 2735.2°F38.3°F33.4°F38.5°F
April 2835.2°F37.9°F33.8°F38.3°F
April 2937.4°F37.8°F34.2°F38.1°F
April 3036.3°F38.7°F34.2°F39.2°F
Calumet water temp chart in April

Average water temperature in Calumet in April over a decade

20162017201820192020
36.1°F36°F34.2°F33.6°F34.7°F
20212022202320242025
35.2°F33.6°F34.5°F36.9°F35.1°F

Calumet sea state in April

Chart comparing the height of waves in Calumet 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 Calumet in April

Calumet 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
McLain State Park35.1°F31.5°F39.2°F
Isle Royale34.7°F30.9°F38.7°F
Harvey34.9°F30.4°F41.9°F
Marquette34.5°F30.4°F39.4°F
Grand Marais34.5°F31.3°F38.5°F
Apostle Islands35.2°F31.5°F40.3°F
Rock River34.5°F31.1°F40.8°F
Lutsen34.7°F31.5°F38.8°F
Au Train34.5°F31.1°F40.3°F
Christmas34.5°F31.3°F39.2°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 Calumet 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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