World sea water temperatures

Water temperature in Southport (ME) in July

Is it warm enough to swim in Southport in July? Average water temperature in Southport in July is 61.3°F and therefore is not suitable for comfortable swimming. The warmest sea in Southport in July is 70.3°F, and the coldest is 52.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Southport

Changes water temperature in Southport in July 2025, 2024

To get an accurate forecast for the water temperature in Southport for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Southport, 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 159.2°F58.3°F53.6°F61.7°F
July 259.7°F58.3°F52.9°F61.5°F
July 359.7°F58.8°F53.1°F61.7°F
July 459.4°F60.1°F53.8°F62.4°F
July 558.6°F59.7°F55°F63.5°F
July 658.8°F60.1°F56.1°F64°F
July 759.2°F61.2°F56.5°F64.9°F
July 859.9°F63.7°F54.7°F64.4°F
July 960.4°F64.2°F55.9°F65.1°F
July 1060.4°F64.4°F57.7°F64.4°F
July 1161.2°F65.3°F57.7°F65.3°F
July 1259°F62.1°F57.2°F64.4°F
July 1358.6°F61°F57.9°F64°F
July 1458.1°F61.2°F58.1°F64.8°F
July 1561.7°F63.9°F58.5°F65.5°F
Day 2025 2024 Min Max
July 1664°F64.9°F59°F65.3°F
July 1764.9°F62.8°F58.8°F65.7°F
July 1863.1°F63.7°F58.6°F66°F
July 1961.7°F63.3°F58.8°F66.6°F
July 2062.4°F63.7°F59.9°F65.8°F
July 2160.3°F63.9°F59.7°F65.3°F
July 2259.5°F64°F58.3°F65.3°F
July 2359.2°F64°F58.6°F65.8°F
July 2459.9°F64°F57.4°F67.5°F
July 2559°F63.3°F57.9°F68.2°F
July 2659.5°F63.7°F58.3°F69.1°F
July 2759.2°F63.3°F58.5°F70.3°F
July 2859.7°F62.6°F58.8°F69.4°F
July 2962.8°F60.8°F58.1°F68.4°F
July 3061.7°F61.2°F58.5°F67.5°F
July 3164.8°F62.1°F58.6°F67.8°F
Southport water temp chart in July

Average water temperature in Southport in July over a decade

20162017201820192020
61.9°F59.9°F61.2°F61.9°F62.8°F
20212022202320242025
60.1°F62.1°F63.9°F62.4°F60.4°F

Southport sea state in July

Chart comparing the height of waves in Southport 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 Southport in July

Southport 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
Christmas Cove61°F52.3°F68.5°F
Bailey Island62.6°F54.1°F71.4°F
Harpswell Center63°F54.3°F72.5°F
Freeport63°F54.3°F72.5°F
Cushing59.5°F53.2°F67.1°F
Casco Bay62.6°F54.1°F70.7°F
Saint George59.2°F53.4°F65.8°F
Yarmouth63°F54.3°F72°F
South Thomaston58.8°F52.7°F65.8°F
Gulf of Maine62.6°F54.1°F69.8°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 Southport 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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