World sea water temperatures

Water temperature in Port-Cartier

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This data the coastal Port-Cartier sea 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 sea temperature in Port-Cartier

Water temperature in Port-Cartier today is 14.9°C. Based on our historical data over a period of ten years, the warmest water in this day in Port-Cartier was recorded in 2023 and was 16.8°C, and the coldest was recorded in 2019 at 10.6°C. Sea water temperature in Port-Cartier is expected to drop to 10.9°C in the next 10 days. September average water temperature in Port-Cartier is 11.1°C, the minimum temperature is 4.9°C, and the maximum is 17°C.

Throughout the year, the water temperature in Port-Cartier does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Port-Cartier in winter reaches -0.2°C, in spring 1.5°C, in summer the average temperature rises to 12.9°C, and in autumn it is 7.5°C.

Port-Cartier water temperature now


5 September 2025
today temp
14.9°C
4 September 2025
yesterday temp
13.9°C


The sea salinity in Port-Cartier is 27.33‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Port-Cartier 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 Port-Cartier. 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 Port-Cartier. Data in table shown for 6 September 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
0' 11"1' 3"1' 3"1' 2"
0.27 m0.38 m0.38 m0.36 m
12-15 h15-18 h18-21 h21-24 h
1' 2"1' 1"1' 3"1' 5"
0.35 m0.34 m0.37 m0.44 m

Surf report in Port-Cartier

Port-Cartier wave height and direction

Port-Cartier weather forecast

Port-Cartier wind speed and direction

Current temperature and weather

Data in a table show Port-Cartier temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Port-Cartier.

0-3 h3-6 h6-9 h9-12 h
13.2°C13°C12.7°C13.1°C
12-15 h15-18 h18-21 h21-24 h
13.5°C13.6°C13.3°C13.3°C

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

Port-Cartier water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Port-Cartier. 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 Port-Cartier 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
January-0.5°C-1.9°C1.9°Ccold
Sea water temperature in Port-Cartier in January
February-1.1°C-2°C1.4°Ccold
Sea water temperature in Port-Cartier in February
March-1°C-2°C0.8°Ccold
Sea water temperature in Port-Cartier in March
April0.6°C-1.7°C4.2°Ccold
Sea water temperature in Port-Cartier in April
May5°C0.7°C10.7°Ccold
Sea water temperature in Port-Cartier in May
June9.8°C3.4°C14.8°Ccold
Sea water temperature in Port-Cartier in June
July13.9°C9.8°C19.1°Ccold
Sea water temperature in Port-Cartier in July
August14.9°C8.4°C19.2°Ccold
Sea water temperature in Port-Cartier in August
September11.1°C4.9°C17°Ccold
Sea water temperature in Port-Cartier in September
October7.5°C3°C13.7°Ccold
Sea water temperature in Port-Cartier in October
November3.8°C0.4°C9.3°Ccold
Sea water temperature in Port-Cartier in November
December1.1°C-1.6°C4.8°Ccold
Sea water temperature in Port-Cartier in December

Chart monthly average water temperature in Port-Cartier

Water temperature in Port-Cartier

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 16°C
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Port-Cartier 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
Sept-Iles15.1°C14°C0.35 m
Cap-Chat14.2°C16°C0.19 m
Matane13.7°C18°C0.23 m
Rimouski11°C19°C0.19 m
Gaspe16.7°C20°C0.38 m
Carleton Sur Mer18.5°C19°C0.08 m
New Richmond18.7°C19°C0.13 m
Campbellton18°C19°C0.08 m
Bonaventure18.2°C18°C0.21 m
Chandler17°C18°C0.47 m

Quebec photo gallery

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  • Kayaking in Vaudreuil
  • Beautiful green color of the water in Pincourt, QC.
  • Rivière des Prairies, 30 oct. 2022

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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 Port-Cartier 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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