World sea water temperatures

Water temperature in Southport (ME) in August

Is it warm enough to swim in Southport in August? Average water temperature in Southport in August is 63.1°F and therefore is not suitable for comfortable swimming. The warmest sea in Southport in August is 69.8°F, and the coldest is 58.5°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 August 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 August.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 162.4°F64.2°F59.4°F67.5°F
August 261.7°F64.6°F60.1°F68°F
August 362.1°F64.6°F61.5°F68.4°F
August 462.1°F65.3°F61.5°F67.6°F
August 562.6°F66.2°F61.3°F67.5°F
August 662.6°F65.7°F61.2°F69.8°F
August 763.5°F65.5°F60.4°F69.6°F
August 862.4°F62.6°F60.3°F68.5°F
August 963.3°F63°F59.5°F67.6°F
August 1064.8°F64°F59.2°F68.5°F
August 1166.6°F62.8°F59.2°F68.5°F
August 1268.7°F63.5°F59.9°F68.7°F
August 1367.5°F63.5°F59.9°F68°F
August 1468°F63.1°F59.9°F68.7°F
August 1566.4°F61.9°F60.3°F68.2°F
Day 2025 2024 Min Max
August 1665.3°F65.5°F58.6°F67.3°F
August 1765.5°F64.2°F60.1°F67.8°F
August 1862.4°F63.1°F59.5°F68.7°F
August 1961.3°F63.7°F58.6°F68°F
August 2059.7°F63.9°F58.5°F67.3°F
August 2159.9°F63.7°F58.8°F66.9°F
August 2260.4°F62.1°F59°F68°F
August 2361.2°F60.8°F59.2°F67.5°F
August 2459.9°F61.9°F59°F67.1°F
August 2564°F61.7°F59.9°F68°F
August 2660.6°F64°F59.7°F66°F
August 2760.8°F63.3°F59.7°F65.7°F
August 2861.3°F63°F59.7°F65.8°F
August 2960.8°F61.9°F59°F65.5°F
August 3061.7°F61°F59.5°F65.5°F
August 3161.2°F60.8°F59°F64.6°F
Southport water temp chart in August

Average water temperature in Southport in August over a decade

20162017201820192020
63.1°F61.2°F64.8°F63.5°F66°F
20212022202320242025
64.6°F64.6°F63.7°F63.3°F62.6°F

Southport sea state in August

Chart comparing the height of waves in Southport in August 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 August

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 August?

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

AvrMinMax
Christmas Cove62.8°F57.9°F68.7°F
Bailey Island64.4°F58.8°F71.1°F
Harpswell Center64.4°F58.8°F71.8°F
Freeport64.4°F58.8°F71.8°F
Cushing61.2°F57.2°F67.3°F
Casco Bay64.4°F59°F70.5°F
Saint George60.8°F56.5°F67.1°F
Yarmouth64.4°F58.8°F72.1°F
South Thomaston60.6°F56.1°F66°F
Gulf of Maine64.4°F59°F70.2°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 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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