World sea water temperatures

Chilmark water temp

This data the coastal Chilmark ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Chilmark

Water temperature in Chilmark today is 67.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Chilmark was recorded in 2022 and was 71.1°F, and the coldest was recorded in 2017 at 64.6°F. Sea water temperature in Chilmark is expected to drop to 67.3°F in the next 10 days. September average water temperature in Chilmark is 66.7°F, the minimum temperature is 61.9°F, and the maximum is 71.8°F.

The swimming season in Chilmark lasts from July to September. During those months, Chilmark water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Chilmark in winter reaches 42.6°F, in spring 45.5°F, in summer the average temperature rises to 66.2°F, and in autumn it is 61.2°F.

Chilmark water temperature now


September 5, 2025
today temp
67.6°F
September 4, 2025
yesterday temp
66.9°F


The ocean salinity in Chilmark is 30.79‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Chilmark for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Chilmark. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Chilmark. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
1' 10"2' 2"2' 4"2' 8"
0.57 m0.65 m0.72 m0.81 m
12-15 h15-18 h18-21 h21-24 h
3' 1"3' 6"3' 10"4' 2"
0.94 m1.07 m1.17 m1.27 m

Surf report in Chilmark

Chilmark wave height and direction

Chilmark weather forecast

Chilmark wind speed and direction

Current temperature and weather

Data in a table show Chilmark temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Chilmark.

0-3 h3-6 h6-9 h9-12 h
65.8°F66.6°F67.5°F70°F
12-15 h15-18 h18-21 h21-24 h
73.4°F74.1°F72°F69.8°F

You may also be interested in other sections of our site for Chilmark: Sunrise and Sunset, Tides

Chilmark water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Chilmark. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Chilmark on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

MonthAvrMinMax
January41.7°F36°F48.2°Fcold
Ocean water temperature in Chilmark in January
February38.3°F31.6°F44.8°Fcold
Ocean water temperature in Chilmark in February
March39.4°F32.2°F48°Fcold
Ocean water temperature in Chilmark in March
April44.6°F35.6°F51.3°Fcold
Ocean water temperature in Chilmark in April
May52.5°F45.7°F63.5°Fcold
Ocean water temperature in Chilmark in May
June60.8°F54°F70.2°Fcold
Ocean water temperature in Chilmark in June
July68.4°F61.9°F74.3°Fwarm
Ocean water temperature in Chilmark in July
August69.6°F65.3°F74.7°Fwarm
Ocean water temperature in Chilmark in August
September66.7°F61.9°F71.8°Fcold
Ocean water temperature in Chilmark in September
October61.7°F55.2°F67.1°Fcold
Ocean water temperature in Chilmark in October
November55°F48.4°F61.2°Fcold
Ocean water temperature in Chilmark in November
December47.8°F41°F53.8°Fcold
Ocean water temperature in Chilmark in December

Chart monthly average water temperature in Chilmark

Water temperature in Chilmark

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Chilmark with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

WaterWeatherWave
Menemsha67.6°F75.2°F2' 11"
Aquinnah67.6°F75.2°F3' 1"
West Tisbury67.6°F75.2°F3' 4"
Long Point Beach67.6°F75.2°F3' 4"
Vineyard Sound68°F75.2°F2' 7"
Gosnold67.8°F68°F2' 9"
Lambert's Cove69.1°F71.6°F2' 7"
Tisbury68.5°F71.6°F2' 1"
Cuttyhunk Island67.5°F68°F3' 3"
Edgartown68.7°F71.6°F1' 10"

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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 Chilmark 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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