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Arashi Bay water temperature
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Arashi Bay Water Temperature and Wetsuit Guide


Today's Arashi Bay sea temperature is 26.5 °C.

Statistics for 20 Apr (1981–2005) – mean: 26.4 °C, range: 25.7 °C to 27.3 °C

Sunny with very warm air temperatures, feeling like 26 °C once we account for any wind. Sea temperatures (26 °C) very warm too. Staying comfortable in the water at Arashi Bay won't be a problem, but wear at least a rash-vest to keep the UV off.

Below is a graph of Historical Sea Surface Temperature for Arashi 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.

Arashi Bay Water Temperature Graph

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

Actual sea surface water temperatures close to shore at Arashi 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 Arashi Bay. Refer to our detailed weather forecasts for this information.