Quatro Ilhas Surf Break

Quatro Ilhas Sea Temperature and Wetsuit Guide

Lat Long: 27.18° S 48.50° W

Issued: 8 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Quatro Ilhas sea temperature is
18.2° C

1.6°C colder than average for this time of year

Quatro Ilhas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Quatro Ilhas sea temperature is 18.2 °C

(1.6°C colder than average for this time of year)

Mean: 19.8 °C
Range: 17.9 °C to 21.3 °C
Statistics for 20 Jun (1981–2005)

    Today, many surfers would wear a summer wetsuit.

    The water temperature (18 °C) at Quatro Ilhas 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 15 °C.

    Brazil Sea Water Temperature

    Map of current Brazil
    Surface Water Temperatures

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

    Map of current Brazil
    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 Quatro Ilhas. 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.

    Quatro Ilhas 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.

    Quatro Ilhas sea water temperatures peak in the range 24 to 28°C (75 to 82°F) on around the 28th of February and are at their minimum on about the 24th of July, in the range 17 to 20°C (63 to 68°F). Year round warm sea water temperatures at Quatro Ilhas climb to their maximum in the fourth week of February. Even then a rash vest and board shorts should be fine for surfing at any time of year. The minimum Quatro Ilhas sea water temperatures in the fourth week of July require something like a 3/2mm fully sealed wetsuit.

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

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