Dead Man's Land Surf Break
Lat Long: 33.62° N 134.39° E

Dead Man's Land Sea Temperature and Wetsuit Guide

Weather Forecast for Dead Man's Land

Issued: 8 am 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's Dead Man's Land sea temperature is
23.0° C

Normal for this time of year

Dead Man's Land surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Dead Man's Land sea temperature is 23.0 °C

(Normal for this time of year)

Mean: 22.8 °C
Range: 21.9 °C to 23.8 °C
Statistics for 09 Jun (1981–2005)

    Today, many surfers would wear a shorty .

    Warm in and out of the water temperature at Dead Man's Land 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.

    Japan Sea Water Temperature

    Map of current Japan
    Surface Water Temperatures

    (based on measurements from oceanographic satellites)
    Japan Water Temperature Anomaly

    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.

    Dead Man's Land Water Temperature Graph

    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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