World sea water temperatures

Water temperature in Mastic Beach (NY) in October

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Is it warm enough to swim in Mastic Beach in October? Average water temperature in Mastic Beach in October is 63.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Mastic Beach in October is 70.2°F, and the coldest is 57.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Mastic Beach

Changes water temperature in Mastic Beach in October 2024, 2023

To get an accurate forecast for the water temperature in Mastic Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Mastic Beach, 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 164.8°F63.5°F63.5°F69.1°F
October 265.1°F63.9°F63.9°F67.3°F
October 364.9°F64.4°F64.4°F69.3°F
October 464.9°F65.1°F64.4°F68.9°F
October 565.5°F65.8°F63.7°F68.9°F
October 665.5°F66.6°F64°F68°F
October 765.5°F65.8°F64°F69.4°F
October 865.1°F64.6°F63.3°F68.9°F
October 964.8°F64.2°F63.3°F68.2°F
October 1064.4°F63.7°F63.1°F68.7°F
October 1164.4°F63.1°F63.1°F68.4°F
October 1264.2°F64°F63°F67.8°F
October 1364°F63.9°F62.8°F67.1°F
October 1464.4°F63.5°F62.8°F67.3°F
October 1564°F62.4°F62.4°F67.8°F
Day 2024 2023 Min Max
October 1663.3°F62.8°F62.4°F68.5°F
October 1762.8°F62.6°F61.5°F65.8°F
October 1862.8°F62.2°F61.3°F66°F
October 1962.6°F62.2°F59.2°F64°F
October 2062.6°F61.7°F59.2°F64.9°F
October 2162.6°F61.2°F59°F64.6°F
October 2263.1°F62.4°F60.1°F66.4°F
October 2363.3°F61.2°F58.6°F66°F
October 2462.8°F61.3°F58.1°F64.6°F
October 2562.8°F62.1°F58.6°F64.8°F
October 2662.4°F62.2°F58.6°F65.5°F
October 2762.2°F61.7°F59.4°F65.1°F
October 2861.9°F62.2°F59.7°F64.4°F
October 2961.5°F63.1°F59.4°F63.9°F
October 3061.9°F62.4°F57.6°F64.6°F
October 3161.2°F61.5°F57.4°F63.7°F
Mastic Beach water temp chart in October

Average water temperature in Mastic Beach in October over a decade

20152016201720182019
63°F63.5°F65.7°F65.1°F64.2°F
20202021202220232024
64.2°F66.6°F63.1°F63.1°F63.5°F

Mastic Beach sea state in October

Chart comparing the height of waves in Mastic Beach 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 Mastic Beach in October

Mastic Beach 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
New York City63.3°F56.1°F71.6°F
Westhampton63.7°F57°F69.1°F
East Quogue63.7°F57°F69.1°F
West Sayville63.9°F57°F77.4°F
Fire Island64°F57.7°F72.9°F
Flanders63.7°F57°F70°F
Great River63.9°F56.1°F77.9°F
Great South Bay64°F57.6°F75.7°F
The Hamptons63.5°F56.8°F68.7°F
Hampton Bays63.5°F56.8°F68.7°F

Mastic Beach photo gallery

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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 Mastic Beach 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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