World sea water temperatures

Water temperature in Mattapoisett (MA) in May

Is it warm enough to swim in Mattapoisett in May? Average water temperature in Mattapoisett in May is 54.3°F and therefore is not suitable for comfortable swimming. The warmest sea in Mattapoisett in May is 64°F, and the coldest is 46.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Mattapoisett

Changes water temperature in Mattapoisett in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 153.4°F51.8°F46.9°F53.4°F
May 252.5°F51.4°F47.8°F53.1°F
May 352.2°F51.3°F47.8°F53.1°F
May 453.4°F51.4°F47.7°F53.4°F
May 554.1°F51.1°F48.4°F54.3°F
May 654°F51.8°F48.2°F54.3°F
May 758.3°F50.4°F47.8°F58.3°F
May 857.7°F53.4°F48.7°F57.7°F
May 957.9°F53.1°F49.6°F57.9°F
May 1058.8°F54°F49.8°F58.8°F
May 1158.5°F54°F49.8°F58.5°F
May 1258.3°F53.6°F49.8°F58.3°F
May 1355.8°F53.8°F49.6°F56.7°F
May 1458.3°F54.9°F49.6°F58.3°F
May 1558.3°F54.9°F50.9°F58.6°F
Day 2025 2024 Min Max
May 1657.6°F54.5°F51.3°F59.4°F
May 1760.4°F55.4°F51.1°F60.4°F
May 1861°F54.5°F50.9°F61°F
May 1960.3°F53.6°F51.3°F60.3°F
May 2059.9°F53.6°F51.1°F59.9°F
May 2159.4°F57°F51.8°F59.9°F
May 2258.8°F57.6°F52.7°F60.1°F
May 2357.4°F58.6°F53.2°F59°F
May 2455.8°F60.1°F53.6°F61°F
May 2555.6°F61°F54.5°F61°F
May 2656.3°F60.1°F54.9°F61.9°F
May 2756.5°F59.7°F54.5°F62.1°F
May 2856.8°F61.5°F55°F61.5°F
May 2957°F63.3°F54.9°F63.3°F
May 3057.2°F62.1°F55.2°F62.8°F
May 3159.7°F62.6°F55.9°F64°F
Mattapoisett water temp chart in May

Average water temperature in Mattapoisett in May over a decade

20162017201820192020
54°F53.6°F54.1°F54.5°F52.9°F
20212022202320242025
56.3°F55°F57.6°F55.6°F57.2°F

Mattapoisett sea state in May

Chart comparing the height of waves in Mattapoisett in May 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 Mattapoisett in May

Mattapoisett 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 May?

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

AvrMinMax
Weweantic54.3°F47.1°F64°F
Onset54.3°F47.1°F64°F
Monument Beach54.1°F47.1°F64°F
Pocasset54.1°F47.1°F64°F
Old Silver Beach54.1°F47.1°F64°F
Wareham54.1°F47.1°F64°F
Bourne54.1°F47.1°F64°F
North Falmouth54.1°F47.1°F64°F
Little Harbor Beach54.1°F47.1°F64°F
New Bedford54.1°F46.4°F64.2°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 Mattapoisett 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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