Jonesport water temp

This data the coastal Jonesport 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 Jonesport

Water temperature in Jonesport today is 54.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Jonesport was recorded in 2012 and was 57°F, and the coldest was recorded in 2013 at 52.7°F. Sea water temperature in Jonesport is expected to drop to 54.3°F in the next 10 days. September average water temperature in Jonesport is 55.2°F, the minimum temperature is 52.5°F, and the maximum is 60.4°F.

Throughout the year, the water temperature in Jonesport does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Jonesport in winter reaches 42.6°F, in spring 40.8°F, in summer the average temperature rises to 53.1°F, and in autumn it is 53.1°F.

Jonesport water temperature now

The ocean salinity in Jonesport is 29.64‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Jonesport 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 Jonesport. 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 Jonesport. Data in table shown for September 25, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Jonesport

Jonesport weather forecast

Current temperature and weather

Data in a table show Jonesport temperature today (September 25, 2025). For more information and forecast for a few days, go to the weather forecast Jonesport.

0-3 h	3-6 h	6-9 h	9-12 h
51.3°F	48.9°F	48°F	56.3°F

12-15 h	15-18 h	18-21 h	21-24 h
57.9°F	57.6°F	57.6°F	59.9°F

Jonesport water temperature by month

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

The nearest beaches and cities from Jonesport 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
Beals Island	54.7°F	57.2°F		2' 8"
Harrington	56.7°F	57.2°F		2' 9"
Machiasport	54.9°F	57.2°F		1' 11"
Milbridge	57.2°F	57.2°F		3' 0"
Steuben	55.9°F	57.2°F		3' 0"
Cutler	52.9°F	57.2°F		2' 9"
Winter Harbor	56.7°F	57.2°F		2' 9"
Franklin	58.1°F	57.2°F		1' 1"
Sullivan	58.1°F	57.2°F		1' 1"
Sand Beach	56.5°F	57.2°F		2' 4"

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Our report for Jonesport 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.