Keweenaw Peninsula Water Temperature and Wetsuit Guide
(Lake Superior, USA)
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Today's Keweenaw Peninsula sea temperature is 2.1 °C
(Which is normal for this time of year)
| Mean: | 2.3 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 1.4 °C to 3.2 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 06 May (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a winter wetsuit, a neoprene hood, gloves and boots.
Water temperature (2 °C) at Keweenaw Peninsula is close to freezing. Despite the weak sunshine, the air will feel like -1 °C. Even if you wear a thick winter wetsuit, a neoprene hood, neoprene gloves and boots, it will still be difficult to stay in the sea for very long today.
Map of current United States Surface Water Temperatures based on measurements from oceanographic satellites |
Map of current United States 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 Keweenaw Peninsula. 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.
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.
Keweenaw Peninsula water temperatures peak in the range 10 to 19°C (50 to 66°F) on around the 14th of August and are at their lowest on about the 15th of March, in the range 1 to 2°C (34 to 36°F). The maximum seasonal water temperatures at Keweenaw Peninsula in mid August lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. The lowest water temperatures at Keweenaw Peninsula mean that you will need a flexible 6/5/4mm wetsuit or a well fitting 5/4mm wetsuit with gloves and 5mm neoprene booties and a hood to surf here in mid March.
Actual sea surface water temperatures close to shore at Keweenaw Peninsula 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 Keweenaw Peninsula. Refer to our detailed weather forecasts for this information.
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