Aquinnah water temp

This data the coastal Aquinnah 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 Aquinnah

Water temperature in Aquinnah today is 63.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Aquinnah was recorded in 2021 and was 65.5°F, and the coldest was recorded in 2020 at 61°F. Sea water temperature in Aquinnah is expected to drop to 60.4°F in the next 10 days. October average water temperature in Aquinnah is 61.9°F, the minimum temperature is 55.4°F, and the maximum is 67.1°F.

The swimming season in Aquinnah lasts from July to September. During those months, Aquinnah water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Aquinnah in winter reaches 42.8°F, in spring 45.3°F, in summer the average temperature rises to 66.2°F, and in autumn it is 61.3°F.

Aquinnah water temperature now

The ocean salinity in Aquinnah is 29.66‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Aquinnah 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 Aquinnah. 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 Aquinnah. Data in table shown for October 14, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Aquinnah

Aquinnah weather forecast

Current temperature and weather

Data in a table show Aquinnah temperature today (October 14, 2025). For more information and forecast for a few days, go to the weather forecast Aquinnah.

0-3 h	3-6 h	6-9 h	9-12 h
59.7°F	59.9°F	59.9°F	59.7°F

12-15 h	15-18 h	18-21 h	21-24 h
60.6°F	61.3°F	62.1°F	62.2°F

Aquinnah water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Aquinnah. 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 Aquinnah 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

Chart monthly average water temperature in Aquinnah

The nearest beaches and cities from Aquinnah 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

	Water	Weather		Wave
Menemsha	63.7°F	59°F		8' 5"
Cuttyhunk Island	64.4°F	59°F		9' 6"
Gosnold	64.8°F	59°F		6' 6"
Vineyard Sound	64.8°F	59°F		5' 10"
West Tisbury	63.1°F	59°F		11' 10"
Long Point Beach	63.1°F	59°F		11' 10"
Lambert's Cove	65.5°F	59°F		5' 10"
Westport	64.8°F	59°F		8' 2"
Tisbury	63.9°F	60.8°F		5' 9"
Woods Hole	66°F	59°F		5' 9"

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Our report for Aquinnah 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.