Today's Kodogawa sea temperature is 23.9 °C
(Normal for this time of year)
| Mean: | 23.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 22.7 °C to 24.7 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 09 Jun (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a shorty .
Warm in and out of the water temperature at Kodogawa today, but forecast to be overcast. With sea temperatures of 23 °C and a wind chill of 21 °C, most surfers will choose a shorty or a summer suit or just board shorts.
 Map of current Japan Surface Water Temperatures (based on measurements from oceanographic satellites) |  Map of current Japan 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 Kodogawa. 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.
Kodogawa sea temperatures peak in the range 27 to 30°C (81 to 86°F) on around the 6th of August and are at their lowest on about the 1st of March, in the range 17 to 19°C (63 to 66°F). Year round warm sea temperatures at Kodogawa climb to their maximum in the first week of August. Even then a rash vest and board shorts should be fine for surfing at any time of year. The lowest Kodogawa sea temperatures at the beginning of March require something like a 3/2mm fully sealed wetsuit.
Actual sea surface water temperatures close to shore at Kodogawa 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 Kodogawa. Refer to our detailed weather forecasts for this information.
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