Laguna (Os Molhes) Surf Break

Lat Long: 28.49° S 48.75° W

Laguna (Os Molhes) Sea Temperature and Wetsuit Guide

Issued: 8 am 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's Laguna (Os Molhes) sea temperature is
15.3° C
3.4° 

Laguna (Os Molhes) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Laguna (Os Molhes) sea temperature is 15.3 °C

(3.4° colder than average for this time of year)

Mean: 18.7 °C
Range: 17.4 °C to 20.8 °C
Statistics for 10 Jul (1981–2005)

    Today, many surfers would wear a spring wetsuit.

    The water temperature (15 °C) at Laguna (Os Molhes) is quite cool. If the sun shines as we have forecast, it should feel warm enough to surf in a good spring wetsuit. Effective windchill factor of (18 °C) will make the air and water feel about the same temperature.

    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 Laguna (Os Molhes). 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.

    Laguna (Os Molhes) 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.

    Laguna (Os Molhes) water temperatures peak in the range 24 to 27°C (75 to 81°F) on around the 5th of March and are at their lowest on about the 13th of August, in the range 16 to 19°C (61 to 66°F). Year round warm water temperatures at Laguna (Os Molhes) climb to their warmest at the beginning of March. Even then a rash vest and board shorts should be fine for surfing at any time of year. The lowest Laguna (Os Molhes) water temperatures in the third week of August require something like a 3/2mm fully sealed wetsuit.

    Actual sea surface water temperatures close to shore at Laguna (Os Molhes) 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 Laguna (Os Molhes). Refer to our detailed weather forecasts for this information.

    Nearest locationNearest