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Alona Bay water temperature
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Alona Bay Water Temperature and Wetsuit Guide

(Lake Superior – Canada)

Today's Alona Bay sea temperature is 9.9 °C.

Statistics for 24 Jun (1981–2005) – mean: 6.1 °C, range: 3.4 °C to 10.4 °C

The water temperature (9 °C) at Alona Bay is very cold. Despite the sun, surfers will need to wear a good steamer wetsuit, a neoprene hood, gloves and boots. Relatively mild air temperatures and a windchill factor of (10 °C).

Canada Sea Water Temperature

Map of current Canada
Surface Water Temperatures
based on measurements from oceanographic satellites
Canada Water Temperature Anomaly

Map of current Canada
Sea Water Temperature Anomalies

(compared with long term averages
at this time of year)

(click thumbnails to expand)

Below is a graph of Historical Sea Surface Temperature for Alona Bay. This has been derived from analysis of two decades of oceanographic satellite measurements of nearby open water. We have calculated the average water temperature variation around the year as well as the extremes that have been observed on each date.

Alona Bay Water Temperature Graph

All of the graphs for the surf breaks presented on Surf-Forecast.com are on the same scale to enable comparison between locations around the world.

Actual sea surface water temperatures close to shore at Alona Bay can vary by several degrees compared with these open water averages. This is especially true after heavy rain, close to river mouths or after long periods of strong offshore winds. Offshore winds cause colder deep water to replace surface water that has been warmed by the sun. Air temperature, wind-chill and sunshine should also be considered before deciding on the kind of wetsuit needed to stay warm when surfing at Alona Bay. Refer to our detailed weather forecasts for this information.