Water temperature in Monte Hermoso

This data the coastal Monte Hermoso sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Monte Hermoso

Water temperature in Monte Hermoso today is 12.5°C. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Monte Hermoso was recorded in 2012 and was 14°C, and the coldest was recorded in 2007 at 10.1°C. Sea water temperature in Monte Hermoso is expected to rise to 12.6°C in the next 10 days. September average water temperature in Monte Hermoso is 10.8°C, the minimum temperature is 7.9°C, and the maximum is 14.2°C.

The swimming season in Monte Hermoso lasts from December to March. During those months, Monte Hermoso water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Monte Hermoso in winter reaches 9.5°C, in spring 14°C, in summer the average temperature rises to 21.6°C, and in autumn it is 17.5°C.

Monte Hermoso water temperature now

The sea salinity in Monte Hermoso is 34.49‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Monte Hermoso for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Monte Hermoso. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Monte Hermoso. Data in table shown for 27 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Monte Hermoso

Monte Hermoso weather forecast

Current temperature and weather

Data in a table show Monte Hermoso temperature today (27 September 2025). For more information and forecast for a few days, go to the weather forecast Monte Hermoso.

0-3 h	3-6 h	6-9 h	9-12 h
10.7°C	10.5°C	10.2°C	10.9°C

12-15 h	15-18 h	18-21 h	21-24 h
11.7°C	12.5°C	12°C	8.5°C

Monte Hermoso water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Monte Hermoso. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Monte Hermoso on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Monte Hermoso

The nearest beaches and cities from Monte Hermoso with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Balneario Sauce Grande	12.5°C	13°C		0.64 m
Balneario Pehuen-Co	12.8°C	14°C		0.5 m
Arroyo Parejas	12.8°C	14°C		0.15 m
Balneario Marisol	11.3°C	12°C		0.45 m
Punta Alta	12.2°C	14°C		0.15 m
Balneario Oceano	10.2°C	12°C		0.59 m
Balneario Reta	10.2°C	12°C		0.52 m
Bahia Blanca	12°C	15°C		0.13 m
Tres Arroyos	9.8°C	12°C		0.66 m
Claromeco	10°C	12°C		0.72 m

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Our report for Monte Hermoso is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.