Water temperature in Cass Bay

This data the coastal Cass Bay 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 Cass Bay

Water temperature in Cass Bay today is 17.6°C. Based on our historical data over a period of ten years, the warmest water in this day in Cass Bay was recorded in 2018 and was 20.3°C, and the coldest was recorded in 2012 at 16°C. Sea water temperature in Cass Bay is expected to be constant 17.6°C in the next 10 days. February average water temperature in Cass Bay is 17.7°C, the minimum temperature is 15.1°C, and the maximum is 21.2°C.

Throughout the year, the water temperature in Cass Bay does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of February, the water temperature warms up to 20°C and above. The average water temperature in Cass Bay in winter reaches 9.5°C, in spring 12.1°C, in summer the average temperature rises to 17°C, and in autumn it is 14.7°C.

Cass Bay water temperature now

Surf Forecast in Cass Bay 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 Cass Bay. 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 Cass Bay. Data in table shown for 1 February 2026, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Cass Bay

Cass Bay weather forecast

Current temperature and weather

Data in a table show Cass Bay temperature today (1 February 2026). For more information and forecast for a few days, go to the weather forecast Cass Bay.

0-3 h	3-6 h	6-9 h	9-12 h
13.8°C	13.3°C	13.8°C	14.4°C

12-15 h	15-18 h	18-21 h	21-24 h
18.1°C	18.6°C	17.6°C	15.5°C

Cass Bay water temperature by month

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

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Our report for Cass Bay 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.