Usami Water Temperature and Wetsuit Guide
(Shizuoka, Japan)
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Today's Usami sea temperature is 60 °F
(Which is 3.6°F colder than average for this time of year)
| Mean: | 64 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 61 °F to 67 °F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 27 Mar (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a spring wetsuit.
Sunny with pleasantly warm air temperatures (feels like 68 °F) at Usami, yet the sea remains several degrees colder than the air. Most surfers will need a spring wetsuit though a summer suit or even a shorty may suffice for a short session.
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 Usami. 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.
Actual sea surface water temperatures close to shore at Usami 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 Usami. Refer to our detailed weather forecasts for this information.
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