Monte Hermoso Surf Break

Monte Hermoso Sea Temperature and Wetsuit Guide

Lat Long: 38.99° S 61.30° W

Issued: 8 am 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Monte Hermoso sea temperature is
10.3° C

3.2°C colder than average for this time of year

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

Today's Monte Hermoso sea temperature is 10.3 °C

(3.2°C colder than average for this time of year)

Mean: 13.5 °C
Range: 12.4 °C to 14.4 °C
Statistics for 20 Jun (1981–2005)
  • neoprene wetsuit hood for warmth and a watertight seal in cold sea temperatures
  • neoprene gloves for warmth, grip, and protection in cold temperatures
  • wetsuit boots for warmth, grip, and protection in cold temperatures

Today, many surfers would wear a winter wetsuit, a neoprene hood, gloves and boots.

The water temperature (10 °C) at Monte Hermoso is quite cold. Despite the sun, windchill of 9 °C means that surfers will need plenty of neoprene. Wear a quality winter wetsuit, a neoprene hood, gloves and boots. A windchill factor of (9 °C).

Argentina Sea Water Temperature

Map of current Argentina
Surface Water Temperatures

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

Map of current Argentina
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 Monte Hermoso. 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.

Monte Hermoso 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.

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

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