Water temperature in San Lorenzo

This data the coastal San Lorenzo 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 San Lorenzo

Water temperature in San Lorenzo today is 24.5°C. Based on our historical data over a period of ten years, the warmest water in this day in San Lorenzo was recorded in 2023 and was 25.5°C, and the coldest was recorded in 2011 at 22.6°C. Sea water temperature in San Lorenzo is expected to drop to 23.8°C in the next 10 days. September average water temperature in San Lorenzo is 23.9°C, the minimum temperature is 21.8°C, and the maximum is 25.8°C.

The swimming season in San Lorenzo lasts from January to December, twelve months per year! During those months, San Lorenzo water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in San Lorenzo in winter reaches 25.8°C, in spring 26.2°C, in summer the average temperature rises to 24.8°C, and in autumn it is 24.1°C.

San Lorenzo water temperature now

The sea salinity in San Lorenzo is 33.67‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in San Lorenzo 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 San Lorenzo. 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 San Lorenzo. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in San Lorenzo

San Lorenzo weather forecast

Current temperature and weather

Data in a table show San Lorenzo temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast San Lorenzo.

0-3 h	3-6 h	6-9 h	9-12 h
21.1°C	21°C	20.9°C	23.3°C

12-15 h	15-18 h	18-21 h	21-24 h
25.9°C	25.4°C	22.7°C	21.8°C

San Lorenzo water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in San Lorenzo. 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 San Lorenzo 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 San Lorenzo

The nearest beaches and cities from San Lorenzo 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
Machalilla	23.7°C	23°C		0.93 m
Los Frailes Beach	23.7°C	23°C		0.93 m
Puerto Lopez	23.7°C	23°C		0.85 m
Salango	23.6°C	23°C		1 m
Puerto Rico	23.4°C	23°C		1 m
Ayampe	23.2°C	23°C		1.07 m
Olon	22.7°C	23°C		1.11 m
Montanita	22.7°C	23°C		1.14 m
Cojimies	24.7°C	25°C		0.99 m
Valdivia	22.5°C	21°C		0.91 m

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Our report for San Lorenzo 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.