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Clarence River water temperature
Clarence River ratings
Quality on a good day: 3.0
Consistency of Surf: 4.0
Crowds: 4.0

Overall: 3.8

See all 18 ratings

Based on 2 votes. Vote


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Clarence River Water Temperature and Wetsuit Guide

(Kaikoura and Marlborough, New Zealand)

Today's Clarence River sea temperature is 10.5 °C.

Statistics for 20 Aug (1981–2005) – mean: 10.5 °C, range: 9.8 °C to 11.2 °C

The water temperature (10 °C) at Clarence River is fairly cold. Surfers will need a quality steamer wetsuit, a neoprene hood, gloves and boots because it will be cloudy with an effective air temperature of (6 °C).

New Zealand Sea Water Temperature

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

Map of current New Zealand
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 Clarence River. 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.

Clarence River 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.

Clarence River water temperatures peak in the range 15 to 18°C (59 to 64°F) on around the 7th of February and are at their coldest on about the 19th of August, in the range 10 to 11°C (50 to 52°F). The highest seasonal water temperatures at Clarence River in the first part of February lend themselves to a 4/3mm wetsuit or a 3/2mm suit and 3mm neoprene boots. At its coldest in the third week of August, low water temperatures at Clarence River are suited to a 5/4mm or 5/3mm good quality wetsuit with neoprene gloves and 3mm boots. You will need a hood if it's windy or the air is cold.

Actual sea surface water temperatures close to shore at Clarence River 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 Clarence River. Refer to our detailed weather forecasts for this information.