World sea water temperatures

Water temperature in Sullivan (ME) in October

Is it warm enough to swim in Sullivan in October? Average water temperature in Sullivan in October is 54°F and therefore is not suitable for comfortable swimming. The warmest sea in Sullivan in October is 58.8°F, and the coldest is 49.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Sullivan

Changes water temperature in Sullivan in October 2024, 2023

To get an accurate forecast for the water temperature in Sullivan for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Sullivan, 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 156.5°F56.5°F52.7°F58.8°F
October 255.8°F56.5°F52.7°F57.7°F
October 356.3°F58.1°F52.9°F58.1°F
October 455.9°F57.6°F52.3°F57.6°F
October 555.9°F56.5°F52.9°F57°F
October 655.4°F55.9°F52.7°F57°F
October 755°F55.8°F52.7°F56.5°F
October 856.3°F57.7°F52.3°F57.7°F
October 956.3°F56.5°F51.8°F56.7°F
October 1055.9°F57.4°F52°F57.4°F
October 1155.4°F56.7°F51.3°F56.7°F
October 1255.2°F55.9°F51.4°F57.7°F
October 1355.2°F55.8°F51.4°F57.6°F
October 1454.5°F55.4°F51.1°F57.9°F
October 1554.3°F54.9°F50.5°F57°F
Day 2024 2023 Min Max
October 1654.1°F54.5°F50.5°F56.3°F
October 1754°F54.1°F50.5°F55.9°F
October 1853.6°F54.7°F50.7°F57.6°F
October 1954.3°F55.6°F50.4°F56.8°F
October 2054°F55.2°F50.5°F56.3°F
October 2154.3°F54.9°F50.9°F55.9°F
October 2254°F54.5°F50.9°F56.1°F
October 2354.3°F54°F50.4°F56.3°F
October 2454.1°F54.7°F49.6°F55.9°F
October 2554°F54.5°F50.2°F55.4°F
October 2653.8°F54.7°F50.4°F55°F
October 2753.4°F55°F49.5°F55.2°F
October 2853.1°F55°F49.1°F55.4°F
October 2952.3°F54.5°F49.8°F54.9°F
October 3052°F54°F49.5°F55°F
October 3153.8°F53.6°F49.5°F54.9°F
Sullivan water temp chart in October

Average water temperature in Sullivan in October over a decade

20152016201720182019
52.7°F54.1°F55°F54.5°F53.4°F
20202021202220232024
54.7°F56.3°F55°F55.6°F54.7°F

Sullivan sea state in October

Chart comparing the height of waves in Sullivan 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 Sullivan in October

Sullivan 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
Trenton54°F49.1°F58.8°F
Lamoine54°F49.1°F58.5°F
Winter Harbor53.8°F49.1°F57.2°F
Sand Beach53.8°F49.1°F57.6°F
Acadia53.8°F49.1°F57.4°F
Seal Harbor Beach53.8°F49.1°F57.4°F
Ellsworth54.5°F49.5°F59.5°F
Surry54.9°F49.5°F60.3°F
Tremont54.1°F49.3°F58.3°F
Islesford53.8°F49.1°F57.6°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 Sullivan 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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