Mongagua Surf Forecast

/ São Paulo (84 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (24.05° S 46.52° W)

Surf Forecasts:

Mongagua surfForecast / São Paulo / Brazil

48hr Weather and Surf, issued 2 am Friday 29 Aug 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Mongagua sea temperature is 20.1° C
(Which is normal for this time of year)

How big are the waves at Mongagua today?

The current surf forecast for Mongagua at 6AM is: 0.6m 11s primary swell from a South direction and 0.6m 7s secondary swell from a Southeast direction, 0.5m 5s secondary swell from a Southwest direction (forecast issued at 02:00am August 29). The wind direction is predicted to be cross-shore.

Time (-03) & Date	Wave Height	Wave Period
Morning (29 Aug)	2ft (0.6m)	11s
Afternoon (29 Aug)	2.5ft (0.7m)	11s
Evening (29 Aug)	2ft (0.6m)	10s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Friday 29								Saturday 30								Sunday 31
	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	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	1	0	0	0	0	0	1	1	1	1	1	1	0	0	1	0	1	1	1	2	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	S	S	S	S	S	S	S	S	SE	ESE	ESE	ESE	ESE	ESE	ESE	E	ESE	ESE	ESE	ESE
Period(s) (?)	11	11	11	11	11	11	11	10	10	10	10	10	6	7	7	7	6	6	6	7	7	7	7	7
Wave Graph (?)
Energy (?)	119	140	142	137	131	166	95	109	96	105	84	86	80	76	87	96	128	124	177	274	111	108	147	173
Wind (km/h)	W	WSW	WSW	SW	SSW	S	SE	NNW	WNW	WNW	WNW	SW	SSE	SSE	SE	E	NNE	NNW	NW	S	SE	ESE	E	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross	cross	cross- on	cross- on	cross- on	glass	glass	glass	glass	glass	glass	on	on	glass	cross- on	glass	glass	glass	glass	on	cross- on	cross- on	cross- on
High Tide / height (m)			5:20AM 1.13				5:21PM 1.02					6:02AM 1.01			5:54PM 0.92					7:02AM 0.88		1:37PM 0.74		6:46PM 0.81
Low Tide / height (m)					10:51AM 0.46				10:55PM 0.36				11:00AM 0.58				11:16PM 0.44				10:57AM 0.70		3:30PM 0.73

	Friday 29								Saturday 30								Sunday 31
Sunrise	-	-	-	6:20	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-
Sunset	-	-	-	-	-	5:53	-	-	-	-	-	-	-	5:53	-	-	-	-	-	-	-	5:53	-	-

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

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 Mongagua (calm at Santos wx 22 km from Mongagua). 0.8m 7s swell from the SE with a 0.6m 10s swell from the S and a 0.5m 5s windswell from the SW as well as a 0.4m 8s swell from the E. 4 swells combining to make bigger set waves.
1 hour 23 minutes ago Mongagua

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22 km away, 1 h 23 min ago

0 km/h

0.0

20.1

Air / Water (°C)

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