Praia Grande (Ubatuba) Surf Forecast

/ São Paulo (84 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (23.47° S 45.07° W)

Surf Forecasts:

Praia Grande (Ubatuba) surfForecast / São Paulo / Brazil

48hr Weather and Surf, issued 2 pm Thursday 18 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

Praia Grande (Ubatuba) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Praia Grande (Ubatuba) sea temperature is 21.5° C
(Which is slightly warmer than usual)

How big are the waves at Praia Grande (Ubatuba) today?

The current surf forecast for Praia Grande (Ubatuba) at 6PM is: 1.5m 11s primary swell from a Southeast direction (forecast issued at 02:00pm September 18). The wind direction is predicted to be glassy and the swell rating is 3.

Time (-03) & Date	Wave Height	Wave Period
Morning (18 Sep)	-	-
Afternoon (18 Sep)	5ft (1.6m)	10s
Evening (18 Sep)	4.5ft (1.4m)	10s

Table - waves today at Praia Grande (Ubatuba). (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18				Friday 19								Saturday 20								Sunday 21
	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)	2	1	3	2	2	2	2	2	1	1	2	2	2	3	2	1	1	1	0	1	1	1	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	ESE	E	E	E
Period(s) (?)	10	10	11	10	10	9	8	8	8	8	8	8	8	9	9	9	9	9	8	8	8	8	8	8
Wave Graph (?)
kJ (?)	592	527	505	408	305	235	201	196	171	159	106	145	379	549	474	343	275	232	180	137	112	144	177	173
Wind (km/h)	SSE	S	SSE	N	N	N	NW	SSE	SE	ESE	S	WSW	W	WNW	NNE	ESE	SE	SE	ENE	W	WNW	N	N	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	glass	glass	glass	glass	glass	glass	on	cross- on	glass	cross- off	cross- off	glass	glass	on	on	on	cross- on	glass	glass	cross- off	cross- off	glass
High Tide / height (m)		1:52PM 1.03				1:03AM 0.96				2:03PM 1.06				1:26AM 1.07				2:15PM 1.08				1:52AM 1.15
Low Tide / height (m)				7:21PM 0.40				7:26AM 0.04				7:47PM 0.32				7:59AM 0.00				8:12PM 0.25				8:29AM -0.00

	Thursday 18				Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	5:52	-	-	-	-	-	-	-	5:52	-	-	-	-	-	-	-	5:50	-
Sunset	-	5:53	-	-	-	-	-	-	-	5:54	-	-	-	-	-	-	-	5:54	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	23	23	21	20	20	19	19	22	23	24	21	21	21	22	21	25	25	25	23	23	24	24	25	29
Feels °C (?)	23	23	24	23	22	20	21	24	24	26	23	23	22	24	23	27	27	27	25	26	26	24	25	30

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 Praia Grande (Ubatuba) (calm at Parati 44 km from Praia Grande (Ubatuba)). A 1.8m swell from the SE
1 hour 49 minutes ago Praia Grande (Ubatuba)

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44 km away, 1 h 49 min ago

4 km/h

0.0

21.5

Air / Water (°C)

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