Rio Grande do Sul, Brazil
Río de la Plata32.91°S, 52.67°WStation BR-RIO-PRA

Praia do Cassino Sea Water Temperature

A mild beach on the Río de la Plata, warmest around February at about 24.6°C. Today's reading, 7-day forecast, and monthly averages below.

Live readings · auto-updating
Water Temperature NowBuoy & Sentinel-3 SST

Praia do Cassino water temperature

14.4
57.9°FVery Cold (< 16°C)

Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.

+0°vs Sep avgRío de la Plata32.91°S, 52.67°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
16°C
60.6°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
14.4°C
57.9°F
Waves: 1m
Very Cold
ThuOct 1
14.7°C
58.5°F
Waves: 0.9m
Very Cold
FriOct 2
14.8°C
58.6°F
Waves: 0.7m
Very Cold
SatOct 3
14.7°C
58.5°F
Waves: 0.6m
Very Cold
SunOct 4
14.4°C
57.9°F
Waves: 0.7m
Very Cold
MonOct 5
14.1°C
57.4°F
Waves: 0.9m
Very Cold
TueOct 6
14°C
57.2°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Praia do Cassino.
Confidence: High

Praia do Cassino Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Praia do Cassino occurs inJanuary, February, March — peaking at24.6°C (76.3°F) in February.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
24
Jan
25
Feb
24
Mar
22
Apr
19
May
16
Jun
14
Jul
14
Aug
Current
14
Sep
17
Oct
20
Nov
22
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January21.2°C23.7°C27.4°CComfortable (20°C – 24°C)
February23.2°C24.6°C26.2°CWarm & Ideal (24°C – 28°C)
March21.4°C23.6°C27.6°CComfortable (20°C – 24°C)
April19.2°C21.7°C23.8°CComfortable (20°C – 24°C)
May16.8°C18.6°C20.3°CCool / Refreshing (16°C – 20°C)
June13.1°C15.8°C19°CVery Cold (< 16°C)
July8.6°C13.5°C16.1°CVery Cold (< 16°C)
August10.9°C13.5°C17.6°CVery Cold (< 16°C)
SeptemberCurrent12.3°C14.4°C17.7°CVery Cold (< 16°C)
October14.9°C17.1°C19.5°CCool / Refreshing (16°C – 20°C)
November15.9°C19.7°C22.5°CCool / Refreshing (16°C – 20°C)
December19.4°C21.8°C24.1°CComfortable (20°C – 24°C)

Swimming FAQs for Praia do Cassino

Is the sea warm enough to swim in Praia do Cassino today?

Typical sea surface temperature in Praia do Cassino this time of year is 14.4°C (57.9°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.

What are the warmest months for swimming in Praia do Cassino?

The highest water temperatures in Praia do Cassino typically occur duringJanuary, February, March, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Praia do Cassino in September?

Historically in September, water temperatures in Praia do Cassino average around14.4°C (57.9°F), fluctuating between a recorded minimum of 12.3°C and a maximum of 17.7°C.

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