Surf Forecasts:
How big are the waves at Grumari today (02 Aug):
- Morning surf: Morning surf (02 Aug, local time) - 2ft (0.6m), 10s period with S swell.
- Afternoon surf: Afternoon surf (02 Aug, local time) - 1.5ft (0.4m), 10s period with SSW swell.
- Evening surf: Evening surf (02 Aug, local time) - 1ft (0.3m), 10s period with S swell.
The current surf forecast for Grumari at 5AM is: 0.7m 10s primary swell from a South direction (forecast issued at 08:00pm August 01). An open ocean swell of 1.2m 7s is not directed at the surf break, a second open ocean swell of 1.6m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Aug) | 2ft (0.6m) | 10s |
| Afternoon (02 Aug) | 1.5ft (0.4m) | 10s |
| Evening (02 Aug) | 1ft (0.3m) | 10s |
Table - waves today at Grumari. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Tue afternoon, min 18°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 1 | Sunday 2 | Monday 3 | ||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 10 | S 10 | S 10 | S 10 | S 9 | S 10 | SE 13 | SE 12 | ESE 6 | SE 12 | ESE 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 188 | 149 | 146 | 110 | 75 | 75 | 48 | 32 | 30 | 17 | 16 | 8 | 7 | 26 | 39 | 55 | 56 | 63 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | glassy | off | off | off | off | cross-on | cross-on | cross-on | cross-off |
High Tide | 4:40PM1.10m | 4:29AM1.17m | 5:10PM1.06m | 5:07AM1.13m | 5:42PM1.00m | |||||||||||||
Low Tide | 11:12PM0.31m | 11:35AM0.09m | 11:50PM0.33m | 12:18PM0.18m | ||||||||||||||
 | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:32 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 21 | 19 | 18 | 21 | 26 | 26 | 23 | 23 | 22 | 21 | 20 | 22 | 25 | 24 | 22 | 21 |
Feels °C | 21 | 21 | 20 | 18 | 16 | 20 | 26 | 24 | 23 | 24 | 22 | 20 | 19 | 22 | 25 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | E 6 | E 7 | E 7 | E 7 | E 7 | SSW 10 | S 10 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | ESE 6 | SE 12 | ESE 7 |
| kJ | 188 | 149 | 182 | 150 | 104 | 86 | 70 | 32 | 30 | 72 | 89 | 111 | 92 | 72 | 54 | 55 | 49 | 63 |
Swell 2 Height (m) Direction Period (s) | — | E 10 | S 11 | S 11 | S 10 | S 10 | S 10 | SE 8 | SSE 8 | S 10 | S 10 | S 9 | S 10 | SE 13 | SE 12 | SE 12 | S 10 | SE 12 |
| kJ | — | 8 | 146 | 110 | 75 | 75 | 48 | 2 | 6 | 17 | 16 | 7 | 7 | 26 | 39 | 52 | 2 | 47 |
Swell 3 Height (m) Direction Period (s) | — | — | E 10 | — | SE 9 | SSE 9 | SSE 9 | — | — | SSE 8 | S 8 | SSE 9 | SE 13 | S 9 | S 9 | S 10 | S 16 | S 15 |
| kJ | — | — | 2 | — | 3 | 8 | 8 | — | — | 7 | 1 | 8 | 7 | 7 | 2 | 2 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | — | ENE 7 | — | — | — | E 7 | E 7 | — | E 7 | — | — | — | — | — | ESE 6 | — |
| kJ | 127 | 165 | — | 239 | — | — | — | 70 | 72 | — | 173 | — | — | — | — | — | 56 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 95 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | 8 | 2 | 2 | 2 | 2 | 2 | 85 | 85 | 5 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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