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Haumoana Glass, Haumoana River Mouth

6:49 am 8 Feb 2012

Salt Rock Beach

10:11 am 28 May 2011

Bonza Bay water temperature
Bonza Bay ratings
Quality on a good day: 4.0
Consistency of surf: 3.0
Difficulty level: 3.0
Crowds: 3.0

See all 18 ratings

Based on 1 vote. Vote

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Bonza Bay Water Temperature and Wetsuit Guide

(South-Africa – East London)

Today's Bonza Bay Sea Water Temperature is: 26.1 °C (79 °F)

Statistics for 14 Feb (1981–2005) – mean: 24.1 °C, range: 23.0 °C to 25.8 °C (mean 75 °F, range: 73 °F to 78 °F)

Very warm air temperatures and very warm water(26 °C / 79 °F) too at Bonza Bay, warm enough for wearing board shorts and a rash vest in the surf. Cloudy, but feeling very pleasant in and out of the water.

South Africa Sea Water Temperature

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

Map of current South Africa
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 Bonza Bay. 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.

Bonza Bay 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.

Bonza Bay water temperatures peak in the range 23 to 26°C (73 to 79°F) on around the 3rd of February and are at their coldest on about the 4th of September, in the range 19 to 21°C (66 to 70°F). Bonza Bay water temperatures are always warm reach their maximum at the start of February. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The coldest Bonza Bay water temperatures in early September require something like a 3/2mm fully sealed wetsuit.

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


Latest surface water temperature for the entire globe. Click the image to view a larger version.