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Lopes Mendes (Ilha Grande) Surf Forecast
/ Rio de Janeiro (47 surf breaks) /
Surf Forecasts:
Lopes Mendes (Ilha Grande) surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 8 am Friday 29 May 2026 -03Forecast 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
23.1° C
(Which is normal for this time of year)How big are the waves at Lopes Mendes (Ilha Grande) today (29 May):
- Morning surf: Morning surf (29 May, local time) - 4.5ft (1.3m), 8s period with S swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 4ft (1.2m), 8s period with S swell.
- Evening surf: Evening surf (29 May, local time) - 3.5ft (1.0m), 8s period with SSE swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 5PM is: 1.1m 8s primary swell from a South direction and 0.2m 12s secondary swell from a South-southeast direction (forecast issued at 08:00am May 29). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 4.5ft (1.3m) | 8s |
| Afternoon (29 May) | 4ft (1.2m) | 8s |
| Evening (29 May) | 3.5ft (1.0m) | 8s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri morning. Warm (max 21°C on Fri morning, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
S 8 | S 8 | S 9 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 9 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | SSE 10 | |
153 | 245 | 220 | 205 | 165 | 130 | 99 | 78 | 74 | 76 | 166 | 373 | 469 | 532 | 607 | 631 | 631 | 619 | 530 | 451 | 356 | 296 | 296 | 180 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | cross | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | glassy | cross | cross | glassy | glassy | glassy | glassy | |
High Tide | 1:36PM1.05m | 1:25AM0.96m | 2:12PM1.07m | 1:55AM0.97m | 2:47PM1.08m | 2:26AM0.97m | ||||||||||||||||||
Low Tide | 7:39AM0.17m | 8:13PM0.32m | 8:14AM0.12m | 8:50PM0.33m | 8:48AM0.10m | 9:26PM0.36m | ||||||||||||||||||
 |  |  | |  | |  | | | |  | | | |  | | | | | | | | | | |
 | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | 6:30 |
 | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:17 | — | — | — | 5:17 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 20 | 21 | 21 | 21 | 21 | 20 | 20 |
21 | 22 | 21 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 20 | 19 | 19 | 19 | 20 | 19 | 21 | 22 | 22 | 23 | 23 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 9 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 9 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | SSE 10 |
 kJ | 153 | 245 | 220 | 205 | 165 | 130 | 99 | 78 | 74 | 76 | 166 | 373 | 469 | 532 | 607 | 631 | 631 | 619 | 530 | 451 | 356 | 296 | 296 | 180 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | — | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | S 9 |
| kJ | 126 | 17 | 17 | 15 | 29 | 14 | 13 | 21 | 20 | 33 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 35 | 37 | 37 | 35 | 31 | 64 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 7 | SE 7 | E 7 | E 7 | E 7 | E 7 | S 9 | S 9 | S 9 | E 7 | — | — | — | — | — | — | — | — | — | — | — | E 6 | ESE 6 |
| kJ | 5 | 5 | 2 | 1 | 1 | 1 | 1 | 2 | 6 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 29 | 30 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 59 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 59 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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