Itanhaem Surf Forecast

/ São Paulo (84 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (24.17° S 46.76° W)

Surf Forecasts:

Itanhaem surfForecast / São Paulo / Brazil

48hr Weather and Surf, issued 2 pm Saturday 13 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Itanhaem sea temperature is 20.2° C
(Which is normal for this time of year)

How big are the waves at Itanhaem today?

The current surf forecast for Itanhaem at 7PM is: 1.0m 12s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a East direction, 0.6m 4s secondary swell from a Southeast direction (forecast issued at 02:00pm September 13). The wind direction is predicted to be cross-onshore.

Time (-03) & Date	Wave Height	Wave Period
Morning (13 Sep)	-	-
Afternoon (13 Sep)	3ft (0.9m)	12s
Evening (13 Sep)	3.5ft (1.0m)	12s

Table - waves today at Itanhaem. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Saturday 13				Sunday 14								Monday 15								Tuesday 16
	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM
Rating (10 max)	0	0	0	0	1	1	0	1	0	0	0	1	2	3	3	3	1	1	2	3	2	2	3	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSE	SSE	SSE	SSE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE
Period(s) (?)	12	12	12	12	12	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	14	13	13	13
Wave Graph (?)
kJ (?)	299	255	260	320	456	464	370	412	456	507	564	564	485	478	478	471	478	478	596	588	526	570	511	347
Wind (km/h)	ESE	ESE	ESE	E	E	E	E	E	ESE	E	E	E	E	NE	N	E	SE	ESE	E	SSE	WSW	WSW	NW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross	cross- on	cross- on	cross	cross- on	cross- on	cross- on	cross- on	cross	glass	cross- off	glass	on	cross- on	cross	glass	cross	cross	glass	cross- on
High Tide / height (m)			5:28PM 0.90					7:00AM 0.90		1:36PM 0.91				1:59AM 0.57				1:42PM 1.01		7:41PM 0.70		1:19AM 0.64
Low Tide / height (m)	10:13AM 0.65				10:29PM 0.36				10:10AM 0.75				10:55PM 0.47		4:11AM 0.53					6:39PM 0.70	11:23PM 0.62		5:35AM 0.39

	Saturday 13				Sunday 14								Monday 15								Tuesday 16
Sunrise	-	-	-	-	-	-	-	6:05	-	-	-	-	-	-	-	6:03	-	-	-	-	-	-	-	6:03
Sunset	-	5:59	-	-	-	-	-	-	-	-	6:00	-	-	-	-	-	-	-	6:00	-	-	-	-	-

Rain (mm)	-	-	-	-	1	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	19	19	19	18	18	18	18	19	21	20	19	19	18	18	18	20	23	22	19	19	18	19	20	22
Feels °C (?)	17	17	18	17	17	17	17	19	20	19	18	19	19	20	19	21	23	22	20	22	19	21	22	23

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for São Paulo

Wind Update Continuing clean conditions at Itanhaem (calm at Santos wx 50 km from Itanhaem). 1.5m 12s groundswell from the SSE with a 0.7m 4s local chop from the SE. 2 swells combining to make bigger set waves.
33 minutes ago Itanhaem

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50 km away, 33 min ago

3 km/h

0.0

20.2

Air / Water (°C)

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