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Grumari Surf Forecast
/ Rio de Janeiro (47 surf breaks) /
Surf Forecasts:
Grumari surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 8 am Sunday 03 May 2026 -03Forecast update in hr min s Forecast update imminent
Grumari surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grumari sea temperature is
25.8° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Grumari today?
The current surf forecast for Grumari at 3PM is: 1.8m 9s primary swell from a South direction and 1.7m 8s secondary swell from a South-southwest direction (forecast issued at 08:00am May 03). An open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 5ft (1.5m) | 6s |
| Afternoon (03 May) | 6ft (1.8m) | 9s |
| Evening (03 May) | 10ft (3.0m) | 11s |
Table - waves today at Grumari. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Sun morning. Warm (max 27°C on Tue morning, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 3 | Monday 4 | Tuesday 5 | Wed 6 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 13 | S 6 | S 8 | S 9 | S 10 | SSW 11 | S 11 | S 12 | S 12 | S 13 | S 13 | S 13 | SSW 13 | S 14 | S 14 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | |
84 | 178 | 510 | 529 | 1478 | 1875 | 1755 | 2460 | 2501 | 2884 | 2469 | 2185 | 1961 | 2116 | 2595 | 3658 | 3906 | 3498 | 3040 | 2457 | 2012 | 1620 | 1279 | 1047 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | cross-on | on | cross-on | glassy | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off | cross-off | |
High Tide | 3:40PM1.11m | 3:25AM1.01m | 4:14PM1.06m | 3:54AM0.98m | 4:51PM0.99m | |||||||||||||||||||
Low Tide | 9:40AM0.10m | 10:14PM0.37m | 10:11AM0.13m | 10:47PM0.43m | 10:48AM0.17m | 11:27PM0.49m | ||||||||||||||||||
 |  | | |  |  | | | |  | | | |  | | | |  | | | | | | | |
 | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | 6:15 |
 | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:25 | — | — | — | 5:24 |
3 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 24 | 25 | 23 | 22 | 21 | 20 | 20 | 22 | 27 | 26 | 24 | 24 | 23 | 23 |
25 | 23 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 22 | 23 | 24 | 22 | 22 | 21 | 20 | 20 | 23 | 29 | 27 | 25 | 27 | 25 | 26 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SSW 8 | S 10 | SSW 11 | S 11 | S 12 | S 12 | S 13 | S 13 | S 13 | SSW 13 | S 14 | S 14 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 |
 kJ | 59 | 60 | 42 | 365 | 1478 | 1875 | 1755 | 2460 | 2501 | 2884 | 2469 | 2185 | 1961 | 2116 | 2595 | 3658 | 3906 | 3498 | 3040 | 2457 | 2012 | 1620 | 1279 | 1047 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSW 11 | SSW 13 | E 9 | E 9 | E 9 | S 14 | ESE 9 | ESE 9 | ESE 9 | E 9 | — | — | — | E 9 | E 5 | E 5 | E 5 | E 5 | E 9 | E 9 | — | E 8 | E 6 |
| kJ | 84 | 64 | 53 | 41 | 41 | 41 | 518 | 27 | 28 | 28 | 27 | — | — | — | 27 | 45 | 36 | 28 | 20 | 14 | 13 | — | 13 | 49 |
Swell 3 Height (m) Direction Period (s) | SSW 10 | S 13 | — | — | — | — | E 9 | — | — | — | — | — | — | — | E 9 | E 9 | E 9 | E 9 | E 9 | — | — | — | — | E 8 |
| kJ | 39 | 84 | — | — | — | — | 41 | — | — | — | — | — | — | — | 27 | 15 | 15 | 14 | 14 | — | — | — | — | 12 |
Wind waves Height (m) Direction Period (s) | SSW 5 | S 6 | S 8 | S 9 | — | — | — | — | — | — | — | ESE 9 | E 5 | E 5 | E 5 | — | — | — | — | E 5 | E 5 | E 5 | E 6 | — |
| kJ | 39 | 178 | 510 | 529 | — | — | — | — | — | — | — | 29 | 52 | 71 | 67 | — | — | — | — | 28 | 42 | 56 | 60 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 161 | 238 | 159 | 82 | 82 | 43 | 0 | 0 | 0 | 0 | 5 | 85 | 122 | 5 | 0 | 0 | 0 | 0 | 2 | 5 | 5 | 5 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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