World sea water temperatures

Thomaston water temp

This data the coastal Thomaston 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 Thomaston

Water temperature in Thomaston today is 60.8°F. Based on our historical data over a period of ten years, the warmest water in this day in Thomaston was recorded in 2018 and was 62.6°F, and the coldest was recorded in 2017 at 56.8°F. Sea water temperature in Thomaston is expected to drop to 59°F in the next 10 days. September average water temperature in Thomaston is 58.8°F, the minimum temperature is 54.9°F, and the maximum is 66.2°F.

Throughout the year, the water temperature in Thomaston does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Thomaston in winter reaches 40.1°F, in spring 41.5°F, in summer the average temperature rises to 57.9°F, and in autumn it is 54.7°F.

Thomaston water temperature now


September 5, 2025
today temp
60.8°F
September 4, 2025
yesterday temp
60.8°F


The ocean salinity in Thomaston is 29.81‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Thomaston 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 Thomaston. 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 Thomaston. 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' 9"2' 1"2' 2"2' 4"
0.54 m0.64 m0.66 m0.7 m
12-15 h15-18 h18-21 h21-24 h
2' 6"2' 6"2' 7"3' 5"
0.75 m0.76 m0.8 m1.03 m

Surf report in Thomaston

Thomaston wave height and direction

Thomaston weather forecast

Thomaston wind speed and direction

Current temperature and weather

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

0-3 h3-6 h6-9 h9-12 h
59.7°F59.5°F59.5°F60.3°F
12-15 h15-18 h18-21 h21-24 h
61.9°F63.3°F62.2°F62.6°F

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

Thomaston water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Thomaston. 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 Thomaston 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
January39.6°F33.3°F44.4°Fcold
Ocean water temperature in Thomaston in January
February36.7°F31.6°F40.5°Fcold
Ocean water temperature in Thomaston in February
March36.9°F31.1°F42.3°Fcold
Ocean water temperature in Thomaston in March
April40.8°F34.7°F46.8°Fcold
Ocean water temperature in Thomaston in April
May47.1°F40.8°F54.7°Fcold
Ocean water temperature in Thomaston in May
June53.4°F47.3°F60.8°Fcold
Ocean water temperature in Thomaston in June
July59.2°F51.1°F66.6°Fcold
Ocean water temperature in Thomaston in July
August61°F55.8°F66.9°Fcold
Ocean water temperature in Thomaston in August
September58.8°F54.9°F66.2°Fcold
Ocean water temperature in Thomaston in September
October55°F49.6°F60.1°Fcold
Ocean water temperature in Thomaston in October
November50°F44.6°F55.8°Fcold
Ocean water temperature in Thomaston in November
December44.2°F38.8°F48.7°Fcold
Ocean water temperature in Thomaston in December

Chart monthly average water temperature in Thomaston

Water temperature in Thomaston

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 Thomaston 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
Lincolnville63°F66.2°F2' 7"
Waldoboro63.5°F69.8°F2' 11"
Penobscot Bay61.2°F66.2°F2' 6"
Vinalhaven61.2°F59°F2' 9"
Bremen63.9°F69.8°F3' 3"
Islesboro62.2°F66.2°F2' 1"
Northport63°F68°F1' 6"
Bayside63.3°F68°F1' 6"
Belfast63.9°F68°F1' 0"
Deer Isle59.9°F59°F2' 5"

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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 Thomaston 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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