Today's Mangea Reefs (The Channel Island) sea temperature is 27.0 °C
(Slightly warmer than usual)
| Mean: | 26.1 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 25.4 °C to 27.0 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 11 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a rashvest wetsuit.
Very warm air temperatures and very warm water(27 °C) too at Mangea Reefs (The Channel Island), warm enough for wearing board shorts and a rash vest in the surf. Cloudy, but feeling very pleasant in and out of the water.
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Below is a graph of Historical Sea Surface Temperature for Mangea Reefs (The Channel Island). 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.
Mangea Reefs (The Channel Island) water temperatures peak in the range 27 to 30°C (81 to 86°F) on around the 7th of February and are at their lowest on about the 22nd of July, in the range 24 to 26°C (75 to 79°F). Year round warm water temperatures at Mangea Reefs (The Channel Island) climb to their highest in the first part of February. Even then a rash vest and board shorts should be fine for surfing at any time of year. Mangea Reefs (The Channel Island) water temperatures are always warm but dip to their lowest in the second half of July. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy.
Actual sea surface water temperatures close to shore at Mangea Reefs (The Channel Island) 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 Mangea Reefs (The Channel Island). Refer to our detailed weather forecasts for this information.


