World sea water temperatures

Water temperature in Boston Harbor (MA) in February

Is it warm enough to swim in Boston Harbor in February? Average water temperature in Boston Harbor in February is 38.3°F and therefore is not suitable for comfortable swimming. The warmest sea in Boston Harbor in February is 42.3°F, and the coldest is 33.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Boston Harbor

Changes water temperature in Boston Harbor in February 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
February 134.3°F39.7°F34.3°F42.3°F
February 235.6°F39.6°F35.6°F42.1°F
February 336.3°F38.8°F36.3°F41.9°F
February 436.5°F37.8°F36.5°F41.5°F
February 535.2°F38.8°F35.2°F41.7°F
February 635.6°F38.5°F35.6°F41.4°F
February 734.3°F36.7°F34.3°F41.4°F
February 835.1°F37.2°F35.1°F41.4°F
February 933.4°F38.3°F33.4°F41.5°F
February 1033.1°F39.2°F33.1°F41.2°F
February 1134.5°F38.3°F34.5°F41.7°F
February 1235.4°F39.4°F35.4°F41.2°F
February 1334.2°F38.8°F34.2°F41°F
February 1434.7°F38.3°F34.7°F41°F
February 1535.4°F38.5°F35.4°F40.8°F
Day 2025 2024 Min Max
February 1635.8°F38.7°F35.8°F41.5°F
February 1734.7°F38.1°F34.7°F41.4°F
February 1834.3°F38.3°F34.3°F40.5°F
February 1934.7°F37.8°F34.7°F40.6°F
February 2035.2°F36.9°F35.1°F40.3°F
February 2134.7°F37.2°F34.5°F40.1°F
February 2235.2°F37.2°F34.9°F40.8°F
February 2335.4°F37.6°F35.4°F40.6°F
February 2436°F37.4°F35.8°F41°F
February 2536°F37°F35.6°F41.4°F
February 2636.3°F38.5°F36°F41.2°F
February 2736.9°F38.1°F35.6°F40.6°F
February 2837.6°F38.3°F35.6°F40.6°F
February 1 38.7°F36.5°F40.6°F
Boston Harbor water temp chart in February

Average water temperature in Boston Harbor in February over a decade

20162017201820192020
39.6°F41°F38.3°F37.6°F38.3°F
20212022202320242025
37°F38.5°F39.2°F38.1°F35.2°F

Boston Harbor sea state in February

Chart comparing the height of waves in Boston Harbor in February 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 Boston Harbor in February

Boston Harbor 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 February?

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

AvrMinMax
Carson Beach38.1°F32.5°F42.1°F
South Boston38.1°F32.5°F42.1°F
Wollaston Beach38.5°F34.2°F42.4°F
Dorchester38.5°F34.2°F42.4°F
Pleasure Bay38.1°F32.5°F42.1°F
Boston Harbor Islands38.5°F34.2°F42.4°F
Yirrell Beach38.5°F34.2°F42.4°F
Deer Island38.5°F34.2°F42.4°F
M Street Beach38.1°F32.5°F42.1°F
Constitution Beach38.1°F33.3°F42.1°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 Boston Harbor 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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