Water temperature in Alert Bay

This data the coastal Alert 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 Alert Bay

Water temperature in Alert Bay today is 10.8°C. Based on our historical data over a period of ten years, the warmest water in this day in Alert Bay was recorded in 2017 and was 12.8°C, and the coldest was recorded in 2008 at 9.6°C. Sea water temperature in Alert Bay is expected to rise to 10.9°C in the next 10 days. September average water temperature in Alert Bay is 10.7°C, the minimum temperature is 9°C, and the maximum is 12.8°C.

Throughout the year, the water temperature in Alert Bay does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Alert Bay in winter reaches 7.6°C, in spring 8.2°C, in summer the average temperature rises to 11.3°C, and in autumn it is 9.6°C.

Alert Bay water temperature now

The sea salinity in Alert Bay is 28.71‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Alert 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 Alert 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 Alert Bay. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Alert Bay

Alert Bay weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
13.3°C	13.1°C	12.8°C	12.8°C

12-15 h	15-18 h	18-21 h	21-24 h
13.4°C	13.9°C	13.8°C	13.4°C

Alert Bay water temperature by month

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

The nearest beaches and cities from Alert Bay 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
Port McNeill	10.6°C	14°C		0.07 m
Telegraph Cove	10.9°C	14°C		0.05 m
Quadra Island	17.5°C	29°C		0.02 m
Campbell River	17°C	29°C		0.02 m
Saratoga Beach	17.1°C	26°C		0.02 m
Cortes Island	19.9°C	24°C		0.02 m
Desolation Sound	19.8°C	24°C		0.02 m
Lund	19.7°C	24°C		0.02 m
Savary Island	19.8°C	24°C		0.02 m
Tofino	15.8°C	19°C		0.81 m

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Our report for Alert 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.