World sea water temperatures

Water temperature in South Portland (ME) in October

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Is it warm enough to swim in South Portland in October? Average water temperature in South Portland in October is 55.6°F and therefore is not suitable for comfortable swimming. The warmest sea in South Portland in October is 61.5°F, and the coldest is 50.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in South Portland

Changes water temperature in South Portland in October 2024, 2023

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

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
October 159.2°F59°F56.7°F61.5°F
October 259.9°F59.4°F56.3°F61°F
October 359.5°F59.2°F55.8°F60.6°F
October 459.2°F60.1°F55.4°F60.4°F
October 559.7°F60.3°F55.2°F60.3°F
October 659°F59.7°F54.9°F60.3°F
October 758.5°F59.9°F54.5°F60.3°F
October 858.5°F59.9°F54.5°F60.4°F
October 958.5°F59.2°F55°F60.1°F
October 1058.5°F58.6°F54.9°F59.2°F
October 1158.1°F58.5°F54°F59°F
October 1257.6°F58.6°F54°F59.4°F
October 1357.2°F57.9°F54.3°F60.3°F
October 1456.3°F57.4°F54.1°F60.4°F
October 1555.6°F57.4°F54.1°F60.3°F
Day 2024 2023 Min Max
October 1654.7°F57.2°F53.8°F60.3°F
October 1754.5°F57°F53.2°F60.1°F
October 1854.1°F56.8°F53.6°F59.5°F
October 1953.8°F56.8°F52°F59.2°F
October 2054.3°F57°F52.7°F58.6°F
October 2154.9°F56.8°F52.5°F58.1°F
October 2254.7°F56.5°F51.6°F58.3°F
October 2355.4°F55.9°F51.3°F57.9°F
October 2455°F56.1°F51.1°F57.6°F
October 2554.1°F55.8°F50.7°F57°F
October 2654°F56.1°F50.9°F56.3°F
October 2753.6°F56.8°F50.7°F56.8°F
October 2852.3°F57.4°F50.4°F57.4°F
October 2952.5°F56.1°F50.4°F56.1°F
October 3052.5°F55.6°F50.4°F55.6°F
October 3152.7°F54.7°F50.2°F55.2°F
South Portland water temp chart in October

Average water temperature in South Portland in October over a decade

20152016201720182019
54.1°F55.8°F56.8°F55.2°F54.7°F
20202021202220232024
54.7°F58.8°F56.3°F57.7°F56.1°F

South Portland sea state in October

Chart comparing the height of waves in South Portland in October 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 South Portland in October

South Portland 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 October?

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

AvrMinMax
Portland55.6°F50.2°F61.3°F
Peaks Island55.4°F50.2°F61.3°F
Scarborough55.8°F50.2°F61.7°F
Higgins Beach55.8°F50.2°F61.7°F
Pine Point55.8°F50.4°F61.7°F
Cape Elizabeth55.8°F50.2°F61.5°F
Saco55.9°F50.4°F61.9°F
Yarmouth55.4°F50°F61.7°F
Casco Bay55.4°F50°F61.2°F
Biddeford Pool55.9°F50.4°F62.1°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 South Portland 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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