Today's Balls Bowls sea temperature is 30.7 °C
(1.8° warmer than normal for this time of year)
| Mean: | 28.9 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 27.0 °C to 30.5 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 05 Aug (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
A hot and sunny day, feeling like 31 °C even after we account for wind, and very warm water temperature (30 °C) too at Balls Bowls. Surfers may need a thin summer wetsuit or at least a rash vest to block the UV.
 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 Balls Bowls. 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.
Balls Bowls water temperatures peak in the range 28 to 30°C (82 to 86°F) on around the 19th of July and are at their minimum on about the 23rd of February, in the range 21 to 24°C (70 to 75°F). Year round warm water temperatures at Balls Bowls climb to their warmest in the third week of July. Even then a rash vest and board shorts should be fine for surfing at any time of year. Balls Bowls water temperatures are minimum in the fourth week of February. Surfers should use a 2mm long sleeve shorty or a 3/2mm spring wetsuit if the wind is up.
Actual sea surface water temperatures close to shore at Balls Bowls 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 Balls Bowls. Refer to our detailed weather forecasts for this information.
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