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Riyue Bay (Riyuewan) water temperature
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Riyue Bay (Riyuewan) Water Temperature and Wetsuit Guide

(Hainan, China)

Today's Riyue Bay (Riyuewan) sea temperature is 25.3 °C.

Statistics for 24 Mar (1981–2005) – mean: 24.6 °C, range: 23.8 °C to 25.3 °C

Very warm air temperatures and very warm water(25 °C) too at Riyue Bay (Riyuewan), warm enough for wearing board shorts and a rash vest in the surf. Cloudy, but feeling very pleasant in and out of the water.

China Sea Water Temperature

Map of current China
Surface Water Temperatures
based on measurements from oceanographic satellites
China Water Temperature Anomaly

Map of current China
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 Riyue Bay (Riyuewan). 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.

Riyue Bay (Riyuewan) Water Temperature Graph

All of the graphs for the surf breaks presented on are on the same scale to enable comparison between locations around the world.

Riyue Bay (Hainan) sea temperatures peak in the range 29 to 30°C (84 to 86°F) on around the 7th of August and are at their lowest on about the 1st of March, in the range 22 to 24°C (72 to 75°F). Year round warm sea temperatures at Riyue Bay (Hainan) climb to their highest in the first part of August. Even then a rash vest and board shorts should be fine for surfing at any time of year. Riyue Bay (Hainan) sea temperatures are always warm but dip to their lowest at the beginning of March. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy.

Actual sea surface water temperatures close to shore at Riyue Bay (Riyuewan) 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 Riyue Bay (Riyuewan). Refer to our detailed weather forecasts for this information.