World sea water temperatures

Water temperature in Ellison Bay (WI) in April

Is it warm enough to swim in Ellison Bay in April? Average water temperature in Ellison Bay in April is 36.9°F and therefore is not suitable for comfortable swimming. The warmest water in Ellison Bay in April is 43.2°F, and the coldest is 32.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ellison Bay

Changes water temperature in Ellison Bay in April 2025, 2024

To get an accurate forecast for the water temperature in Ellison 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 Ellison 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 133.6°F35.4°F32.9°F37.9°F
April 235.8°F34.9°F32.4°F37.4°F
April 334.3°F34.9°F32.4°F37.9°F
April 433.6°F34.9°F32.7°F37.6°F
April 536.3°F35.6°F32.7°F37.6°F
April 634.5°F36.1°F32.9°F38.3°F
April 734.9°F36.9°F33.1°F38.1°F
April 834.7°F37.2°F33.3°F39.7°F
April 934.7°F36.9°F33.4°F39.4°F
April 1034.9°F37.9°F33.4°F39.4°F
April 1138.5°F35.8°F33.8°F39.6°F
April 1236.3°F39.7°F34°F39.7°F
April 1336.3°F39.2°F34.2°F39.9°F
April 1437.2°F40.1°F34.5°F40.3°F
April 1538.1°F41.4°F33.1°F41.4°F
Day 2025 2024 Min Max
April 1637.8°F40.1°F34°F40.1°F
April 1739.4°F37°F34.3°F40.5°F
April 1838.8°F37.9°F34.5°F40.5°F
April 1940.6°F40.8°F34.5°F40.8°F
April 2039.9°F40.6°F34.5°F40.8°F
April 2141°F40.5°F34.9°F41°F
April 2240.6°F41°F35.1°F41°F
April 2340.5°F39.2°F34.9°F41.5°F
April 2441°F41.2°F35.6°F43.2°F
April 2537.4°F40.8°F35.4°F41.7°F
April 2640.5°F41.9°F35.6°F42.1°F
April 2741.5°F42.4°F35.8°F42.4°F
April 2841.5°F42.1°F36°F42.1°F
April 2941.9°F41.4°F36.1°F41.9°F
April 3042.3°F41.4°F36.3°F42.3°F
Ellison Bay water temp chart in April

Average water temperature in Ellison Bay in April over a decade

20162017201820192020
36.9°F36.9°F34.9°F36°F36.5°F
20212022202320242025
39°F36.1°F37.2°F38.8°F37.9°F

Ellison Bay sea state in April

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

Ellison 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
Rowleys Bay36.9°F32.2°F42.6°F
Washington Island36.5°F32°F41.7°F
Cedar River35.6°F30.7°F42.8°F
Jacksonport37.2°F32°F42.3°F
Cave Point37°F31.6°F42.4°F
Menominee36.5°F30°F44.1°F
Marinette36.7°F30.2°F44.6°F
Ford River36.1°F31.1°F43.3°F
Sturgeon Bay37.6°F32.4°F43.9°F
Fairport36.1°F31.5°F41.4°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 Ellison 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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