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Water temperature in Big Bay State Park (WI) in April

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Is it warm enough to swim in Big Bay State Park in April? Average water temperature in Big Bay State Park in April is 35.4°F and therefore is not suitable for comfortable swimming. The warmest water in Big Bay State Park in April is 42.3°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 Big Bay State Park

Changes water temperature in Big Bay State Park in April 2025, 2024

To get an accurate forecast for the water temperature in Big Bay State Park for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Big Bay State Park, 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 133.3°F34.2°F32.2°F36.3°F
April 233.3°F34.2°F32.2°F36.3°F
April 333.6°F34°F31.6°F37.4°F
April 433.4°F34.7°F32.4°F36.7°F
April 534.5°F35.6°F32.4°F37°F
April 634.3°F36°F31.3°F37.8°F
April 734.2°F36.5°F31.8°F37.4°F
April 834.3°F36.3°F32.2°F37.8°F
April 934.3°F36.7°F32.2°F37.8°F
April 1034.3°F35.1°F32°F37.6°F
April 1135.1°F34.9°F32.2°F37.9°F
April 1235.2°F36.7°F32.4°F37.8°F
April 1335.2°F37°F32.5°F37.9°F
April 1435.4°F36.9°F32.7°F38.7°F
April 1535.4°F37.8°F31.8°F38.5°F
Day 2025 2024 Min Max
April 1635.8°F35.2°F32.2°F37.4°F
April 1736.3°F35.6°F32.5°F37.4°F
April 1836.1°F38.5°F32.5°F38.5°F
April 1936.3°F38.3°F32.9°F38.3°F
April 2036.1°F37.6°F33.3°F38.8°F
April 2137.6°F37.9°F33.8°F38.5°F
April 2236.1°F38.3°F34.2°F38.7°F
April 2336.7°F38.1°F32.5°F39.2°F
April 2436.5°F38.3°F33.3°F38.7°F
April 2538.5°F38.7°F32°F39°F
April 2636.9°F37.8°F32.4°F40.6°F
April 2737.4°F38.8°F32.9°F40.3°F
April 2836.3°F38.8°F33.3°F39.7°F
April 2938.7°F38.8°F33.4°F39.7°F
April 3038.7°F38.7°F33.4°F42.3°F
Big Bay State Park water temp chart in April

Average water temperature in Big Bay State Park in April over a decade

20162017201820192020
36.1°F36.1°F34.2°F35.2°F36°F
20212022202320242025
36.5°F34°F34.2°F36.9°F35.6°F

Big Bay State Park sea state in April

Chart comparing the height of waves in Big Bay State Park 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 Big Bay State Park in April

Big Bay State Park 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
Herbster35.1°F31.3°F39.7°F
Port Wing35.1°F31.5°F40.8°F
Beaver Bay34.9°F31.1°F39.2°F
Silver Bay34.9°F31.3°F39.2°F
Two Harbors34.9°F31.3°F39°F
Knife River34.9°F31.3°F39.2°F
French River35.1°F31.3°F39.4°F
Duluth36.1°F31.6°F43.9°F
Park Point36.1°F31.6°F43.9°F
Grand Portage34.3°F30.9°F38.1°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 Big Bay State Park 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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