Water temperature in Grand Bank

This data the coastal Grand Bank 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 Grand Bank

Water temperature in Grand Bank today is 15.8°C. Based on our historical data over a period of ten years, the warmest water in this day in Grand Bank was recorded in 2022 and was 18.7°C, and the coldest was recorded in 2009 at 13.5°C. Sea water temperature in Grand Bank is expected to drop to 14.6°C in the next 10 days. September average water temperature in Grand Bank is 14.5°C, the minimum temperature is 10.3°C, and the maximum is 19.8°C.

Throughout the year, the water temperature in Grand Bank does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Grand Bank in winter reaches 2.4°C, in spring 2°C, in summer the average temperature rises to 12.5°C, and in autumn it is 10.9°C.

Grand Bank water temperature now

The sea salinity in Grand Bank is 31.24‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Grand Bank 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 Grand Bank. 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 Grand Bank. 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)

Surf report in Grand Bank

Grand Bank weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
14°C	13.9°C	13.7°C	14.3°C

12-15 h	15-18 h	18-21 h	21-24 h
15.1°C	16.9°C	17.2°C	16.9°C

Grand Bank water temperature by month

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

The nearest beaches and cities from Grand Bank 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
Harbour Breton	16.1°C	15°C		0.34 m
Marystown	16°C	17°C		0.73 m
Clarenville	14.7°C	22°C		0.2 m
Shoal Harbour	15.4°C	22°C		0.13 m
Bay Roberts	14.1°C	20°C		0.19 m
Carbonear	14°C	20°C		0.23 m
Conception Bay South	15°C	21°C		0.17 m
Gambo	15.9°C	20°C		0.22 m
Botwood	17°C	21°C		0.34 m
Torbay	13.7°C	20°C		0.49 m

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Our report for Grand Bank 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.