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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 pm Wednesday 27 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
23.0° C
(Which is normal for this time of year)How big are the waves at Lopes Mendes (Ilha Grande) today (28 May):
- Morning surf: Morning surf (28 May, local time) - 6.5ft (2.0m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 6ft (1.8m), 9s period with SSW swell.
- Evening surf: Evening surf (28 May, local time) - 5ft (1.6m), 8s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 2AM is: 1.5m 6s primary swell from a South-southwest direction and 0.7m 11s secondary swell from a South direction (forecast issued at 08:00pm May 27). An open ocean swell of 0.3m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 6.5ft (2.0m) | 10s |
| Afternoon (28 May) | 6ft (1.8m) | 9s |
| Evening (28 May) | 5ft (1.6m) | 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 ForecastLight rain (total 4mm), mostly falling on Thu night. Warm (max 21°C on Wed night, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Saturday 30 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
S 11 | S 11 | SW 6 | SSW 6 | SSW 9 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 9 | SSE 8 | SSE 7 | SE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 10 | |
192 | 149 | 148 | 215 | 579 | 703 | 592 | 510 | 484 | 375 | 305 | 252 | 219 | 234 | 205 | 195 | 121 | 125 | 91 | 41 | 36 | 68 | 125 | 230 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | |
High Tide | 00:27AM0.92m | 12:59PM1.01m | 00:55AM0.95m | 1:36PM1.05m | 1:25AM0.96m | 2:12PM1.07m | ||||||||||||||||||
Low Tide | 6:51PM0.30m | 7:03AM0.23m | 7:34PM0.30m | 7:39AM0.17m | 8:13PM0.32m | 8:14AM0.12m | ||||||||||||||||||
 | | | |  |  | |  | |  | |  |  |  | |  | | | | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — |
 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:17 | — | — | — | — | — | — | — | 5:17 |
— | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 21 |
18 | 18 | 17 | 18 | 18 | 19 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 22 | 20 | 20 | 20 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | E 7 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 9 | SSE 8 | SSE 7 | SE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 10 |
 kJ | 192 | 149 | 114 | 84 | 4 | 703 | 592 | 510 | 484 | 375 | 305 | 252 | 219 | 234 | 205 | 195 | 121 | 125 | 91 | 41 | 36 | 68 | 125 | 230 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 7 | E 7 | E 7 | SE 7 | E 7 | ESE 7 | SE 7 | SE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 7 | SSE 13 | SSE 13 | SSE 12 | S 7 | S 7 | SSE 11 | S 7 | SSW 6 | S 9 | E 7 | E 7 |
| kJ | 10 | 10 | 10 | 4 | 2 | 4 | 5 | 2 | 2 | 5 | 6 | 6 | 5 | 17 | 17 | 15 | 48 | 17 | 22 | 38 | 13 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | SE 7 | SE 11 | SE 6 | SE 6 | SE 10 | SE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | S 13 | S 13 | ESE 7 | SE 7 | SE 7 | SSE 12 | SSE 12 | S 9 | S 9 | SSE 10 | E 7 | S 16 | S 16 |
| kJ | 7 | 5 | 2 | 2 | 4 | 2 | 4 | 1 | 1 | 1 | 1 | 14 | 14 | 5 | 2 | 2 | 29 | 14 | 6 | 15 | 20 | 1 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | SW 6 | SSW 6 | SSW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 80 | 115 | 148 | 215 | 579 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 97 | 71 | 71 | 90 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 0 | 58 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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