World sea water temperatures

Water temperature in Casco Bay (ME) in October

Is it warm enough to swim in Casco Bay in October? Average water temperature in Casco Bay in October is 55.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Casco Bay in October is 61.2°F, and the coldest is 50°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Casco Bay

Changes water temperature in Casco Bay in October 2024, 2023

To get an accurate forecast for the water temperature in Casco Bay for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Casco Bay, 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 158.5°F59.4°F57°F61.2°F
October 258.6°F59.2°F56.3°F60.6°F
October 359°F59.7°F55.4°F60.3°F
October 458.8°F59.7°F55°F59.9°F
October 559.5°F59.2°F54.9°F59.5°F
October 659.2°F59.2°F54.5°F60.3°F
October 758.1°F59°F54.3°F60.6°F
October 857.7°F59°F54.1°F59.5°F
October 957.6°F58.6°F54.7°F59.2°F
October 1057.2°F58.3°F54.7°F59.2°F
October 1157.4°F58.3°F54.3°F59.2°F
October 1257°F58.1°F53.6°F58.8°F
October 1356.5°F57.9°F54°F59.5°F
October 1456.3°F57.9°F53.8°F59.7°F
October 1555.4°F57.2°F53.8°F59.4°F
Day 2024 2023 Min Max
October 1655°F56.8°F53.6°F59.4°F
October 1754.5°F56.7°F53.1°F59.2°F
October 1854.5°F56.5°F53.2°F59°F
October 1954°F56.7°F51.6°F59°F
October 2054.5°F56.5°F52.5°F58.5°F
October 2154.7°F56.1°F52.3°F57.4°F
October 2254.5°F55.8°F51.4°F57.9°F
October 2354.5°F55.4°F51.1°F57.2°F
October 2454.5°F55.4°F51.1°F56.8°F
October 2554.3°F55.8°F50.7°F56.3°F
October 2654°F55.6°F50.9°F57.2°F
October 2753.6°F56.8°F50.5°F56.8°F
October 2852.7°F57°F50.2°F57°F
October 2952.3°F55.9°F50.2°F55.9°F
October 3052.2°F55.2°F50.2°F55.6°F
October 3153.2°F54°F50°F54.9°F
Casco Bay water temp chart in October

Average water temperature in Casco Bay in October over a decade

20152016201720182019
54°F55.4°F56.8°F55.4°F54.7°F
20202021202220232024
55°F58.3°F56.1°F57.4°F55.8°F

Casco Bay sea state in October

Chart comparing the height of waves in Casco Bay 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 Casco Bay in October

Casco Bay 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
Bailey Island55.2°F50°F61°F
Peaks Island55.4°F50.2°F61.3°F
Yarmouth55.4°F50°F61.7°F
Portland55.6°F50.2°F61.3°F
Scarborough55.8°F50.2°F61.7°F
Georgetown54.9°F49.8°F60.6°F
Pine Point55.8°F50.4°F61.7°F
Boothbay Harbor54.9°F49.8°F60.6°F
North Bath54.7°F49.6°F60.3°F
Old Orchard Beach55.9°F50.4°F61.9°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 Casco Bay 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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