Lopes Mendes (Ilha Grande) Surf Forecast

/ Rio de Janeiro (47 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (23.18° S 44.12° W)

Surf Forecasts:

Lopes Mendes (Ilha Grande) surfForecast / Rio de Janeiro / Brazil

48hr Weather and Surf, issued 8 pm Saturday 08 Nov 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Lopes Mendes (Ilha Grande) sea temperature is 21.7° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Lopes Mendes (Ilha Grande) today?

The current surf forecast for Lopes Mendes (Ilha Grande) at 2AM is: 2.5m 7s primary swell from a South-southwest direction and 0.8m 12s secondary swell from a South direction (forecast issued at 08:00pm November 08). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (-03) & Date	Wave Height	Wave Period
Morning (09 Nov)	8ft (2.5m)	10s
Afternoon (09 Nov)	8ft (2.5m)	10s
Evening (09 Nov)	5.5ft (1.7m)	10s

Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sat 08		Sunday 09								Monday 10								Tuesday 11
	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	12 PM	3 PM
Rating (10 max)	0	0	0	0	1	1	1	1	1	2	2	3	3	3	0	0	1	2	2	2	2	2	1	0
Wave Height (m) & direction (?)	S	S	SW	SSW	SSW	S	S	S	S	SSE	SSE	SE	SSE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE
Period(s) (?)	12	12	6	7	9	10	10	10	10	10	10	9	9	9	8	8	9	10	10	11	11	10	10	10
Wave Graph (?)
kJ (?)	344	276	386	682	1143	1207	1408	1258	1047	544	490	406	264	323	176	149	164	255	213	187	187	157	124	108
Wind (km/h)	SW	WSW	WSW	SW	SW	SW	SW	SSW	S	SSE	SE	ESE	ESE	SE	SSE	SSE	SE	ESE	ENE	ENE	ENE	E	ESE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	on	on	on	on	on	cross- on	cross- on	cross	cross	glass	glass	glass	cross- on	cross- on	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)	3:26PM 0.94				4:41AM 0.97				3:59PM 0.91				5:30AM 0.85		9:43AM 0.79		4:39PM 0.87					6:40AM 0.75	10:57AM 0.82
Low Tide / height (m)			11:06PM 0.12					12:07PM 0.59				12:04AM 0.19		8:18AM 0.78		1:08PM 0.67				1:15AM 0.25		7:53AM 0.74		2:19PM 0.69

	Sat 08		Sunday 09								Monday 10								Tuesday 11
Sunrise	-	-	-	-	5:05	-	-	-	-	-	-	-	5:05	-	-	-	-	-	-	-	5:05	-	-	-
Sunset	6:13	-	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:14	-	-	-	-	-	-	-

Rain (mm)	2	1	-	1	1	1	-	-	1	2	1	1	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	23	21	21	20	20	21	21	21	20	20	20	20	20	20	21	21	21	20	20	20	19	20	20	20
Feels °C (?)	22	18	17	17	19	20	19	19	19	20	20	21	21	21	20	20	21	19	19	19	18	19	18	18

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

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