World sea water temperatures

Water temperature in Marine City (MI) in July

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Is it warm enough to swim in Marine City in July? Average water temperature in Marine City in July is 72.1°F and therefore suitable for comfortable swimming. The warmest water in Marine City in July is 78.6°F, and the coldest is 64°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Marine City

Changes water temperature in Marine City in July 2025, 2024

To get an accurate forecast for the water temperature in Marine City for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Marine City, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
July 174.8°F65.1°F64°F74.8°F
July 273°F66.4°F65.1°F74.3°F
July 373.6°F67.5°F65.3°F73.8°F
July 469.3°F67.3°F67.3°F74.3°F
July 570.7°F69.1°F67.1°F74.7°F
July 673.6°F69.8°F67.3°F76.3°F
July 775.9°F69.6°F67.8°F76.6°F
July 874.7°F71.6°F66.2°F75.9°F
July 975.4°F71.2°F66.4°F75.6°F
July 1071.4°F71.6°F67.3°F75.6°F
July 1173°F70.5°F68.4°F76.6°F
July 1273.2°F70.5°F67.3°F76.6°F
July 1374.3°F72.1°F68.7°F75.7°F
July 1476.1°F71.8°F68.9°F76.1°F
July 1575°F73.4°F68.4°F76.3°F
Day 2025 2024 Min Max
July 1676.5°F73.9°F68.5°F76.8°F
July 1776.3°F73.9°F68.5°F77.9°F
July 1873.2°F73.2°F69.6°F78.6°F
July 1970.3°F70.7°F69.3°F77.7°F
July 2071.2°F70.3°F69.8°F77.9°F
July 2168.9°F72.7°F68.9°F77°F
July 2268.9°F73.2°F68.9°F76.5°F
July 2369.4°F72.9°F69.4°F76.3°F
July 2473.2°F72.3°F70.5°F76.3°F
July 2573.2°F70.2°F70.2°F76.5°F
July 2674.3°F70.3°F70.3°F76.8°F
July 2775.7°F72°F70.7°F76.6°F
July 2876.3°F72.3°F70.2°F76.3°F
July 2975.6°F71.8°F69.8°F75.7°F
July 3075.7°F75°F68.5°F75.7°F
July 3174.8°F74.8°F69.1°F76.3°F
Marine City water temp chart in July

Average water temperature in Marine City in July over a decade

20162017201820192020
72.9°F71.1°F72.9°F71.2°F74.1°F
20212022202320242025
71.6°F70.3°F71.2°F71.2°F73.4°F

Marine City sea state in July

Chart comparing the height of waves in Marine City in July 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 Marine City in July

Marine City 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 July?

Want to know where the water temperature in July 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 July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Goose Bay72.1°F64°F78.6°F
Pearl Beach71.4°F62.1°F78.3°F
Anchor Bay71.6°F61.9°F78.3°F
St. Clair River (Port Lambton)74.1°F66.4°F80.1°F
Harrison Township72.7°F64.4°F78.4°F
New Baltimore71.4°F60.6°F77.9°F
Saint Clair Shores73.2°F64.6°F78.6°F
Mitchell's Bay75.6°F67.6°F82.4°F
Grosse Pointe Farms73.9°F65.5°F78.8°F
Belle Isle Park73.8°F65.5°F78.8°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 Marine City 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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