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Green Island water temperature
Green Island ratings
Quality on a good day: 3.0
Consistency of Surf: 2.8
Difficulty Level: 2.5
Wind and Kite Surfing: 1.0
Crowds: 2.5

Overall: 2.4

See all 18 ratings

Based on 6 votes. Vote


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Green Island Water Temperature and Wetsuit Guide

(South Coast – New South Wales, Australia)

Today's Green Island sea temperature is 19.9 °C.

Statistics for 18 Nov (1981–2005) – mean: 18.7 °C, range: 16.3 °C to 20.2 °C

The water temperature (19 °C) at Green Island is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 18 °C.

Australia Sea Water Temperature

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

Map of current Australia
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 Green Island. 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.

Green Island 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.

Green Island sea temperatures peak in the range 21 to 24°C (70 to 75°F) on around the 5th of February and are at their minimum on about the 21st of August, in the range 15 to 18°C (59 to 64°F). Green Island sea temperatures are always warm reach their warmest at the beginning of February. You'll need a 2mm neoprene top or a shorty at dawn/dusk or if it's windy. The minimum seasonal sea temperatures at Green Island in mid to late August 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 Green Island 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 Green Island. Refer to our detailed weather forecasts for this information.