Trenton water temp

This data the coastal Trenton 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 Trenton

Water temperature in Trenton today is 57.6°F. Based on our historical data over a period of ten years, the warmest water in this day in Trenton was recorded in 2019 and was 59.2°F, and the coldest was recorded in 2008 at 54°F. Sea water temperature in Trenton is expected to drop to 55.2°F in the next 10 days. September average water temperature in Trenton is 57°F, the minimum temperature is 53.1°F, and the maximum is 65.1°F.

Throughout the year, the water temperature in Trenton does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Trenton in winter reaches 40.8°F, in spring 41°F, in summer the average temperature rises to 55.9°F, and in autumn it is 53.6°F.

Trenton water temperature now

The ocean salinity in Trenton is 29.80‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Trenton 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 Trenton. 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 Trenton. Data in table shown for September 23, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Trenton

Trenton weather forecast

Current temperature and weather

Data in a table show Trenton temperature today (September 23, 2025). For more information and forecast for a few days, go to the weather forecast Trenton.

0-3 h	3-6 h	6-9 h	9-12 h
54.3°F	54.7°F	54°F	60.1°F

12-15 h	15-18 h	18-21 h	21-24 h
65.3°F	72.7°F	70°F	65.3°F

Trenton water temperature by month

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

The nearest beaches and cities from Trenton 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
Lamoine	56.7°F	66.2°F		1' 5"
Ellsworth	58.5°F	59°F		1' 5"
Sand Beach	56.7°F	66.2°F		2' 6"
Winter Harbor	56.5°F	66.2°F		3' 0"
Tremont	57.7°F	66.2°F		2' 4"
Southwest Harbor	57.2°F	66.2°F		2' 10"
Acadia	56.8°F	66.2°F		3' 4"
Seal Harbor Beach	56.8°F	66.2°F		3' 4"
Union River Bay	58.3°F	59°F		2' 2"
Seawall	56.8°F	59°F		3' 6"

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Our report for Trenton 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.