Today's Dead Man's Land sea temperature is 24.1 °C
(1.5° warmer than normal for this time of year)
| Mean: | 22.6 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Range: | 21.9 °C to 23.8 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statistics for 10 Nov (1981–2005) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Today, many surfers would wear a summer wetsuit.
The water temperature (24 °C) at Dead Man's Land is warm. If the sun shines as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 13 °C, allowing for wind effects.
 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 Dead Man's Land. 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.
Dead Man's Land water temperatures peak in the range 26 to 29°C (79 to 84°F) on around the 4th of August and are at their coldest on about the 23rd of February, in the range 16 to 19°C (61 to 66°F). Year round warm water temperatures at Dead Man's Land climb to their warmest in early August. Even then a rash vest and board shorts should be fine for surfing at any time of year. The coldest seasonal water temperatures at Dead Man's Land in the fourth week of February lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots.
Actual sea surface water temperatures close to shore at Dead Man's Land 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 Dead Man's Land. Refer to our detailed weather forecasts for this information.
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