Surf Forecasts:
How big are the waves at Grumari today (31 Oct):
- Afternoon surf: Afternoon surf (31 Oct, local time) - 2.5ft (0.8m), 11s period with S swell.
- Evening surf: Evening surf (31 Oct, local time) - 2.5ft (0.7m), 10s period with S swell.
The current surf forecast for Grumari at 10PM is: 0.7m 10s primary swell from a South direction and 0.9m 7s secondary swell from a Southeast direction (forecast issued at 02:00pm October 31). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | - | - |
| Afternoon (31 Oct) | 2.5ft (0.8m) | 11s |
| Evening (31 Oct) | 2.5ft (0.7m) | 10s |
Table - waves today at Grumari. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sun afternoon. Warm (max 27°C on Mon morning, min 21°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Sat 31 | Sunday 1 | Monday 2 | ||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | ESE 6 | S 9 | S 9 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 146 | 146 | 108 | 100 | 96 | 96 | 92 | 92 | 66 | 66 | 130 | 60 | 58 | 225 | 204 | 204 | 178 | 204 | 210 | 183 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross | glassy | cross-off |
High Tide | 5:20PM0.84m | 11:17AM0.87m | 6:22PM0.78m | 12:01PM0.91m | 8:27PM0.76m | |||||||||||||||
Low Tide | 1:51PM0.66m | 1:58AM0.28m | 3:15PM0.67m | 3:24AM0.28m | 4:31PM0.62m | |||||||||||||||
 | |  |  | |  | | | |  |  |  | |  | |  | | |  | | |
 | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | — | — | 6:06 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:07 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | — | — | — | — | — | 2 | 1 | — |
Temp °C | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 24 | 26 | 25 | 22 | 22 | 22 | 21 | 22 | 25 | 27 | 23 | 22 | 22 |
Feels °C | 26 | 25 | 25 | 24 | 25 | 24 | 23 | 25 | 26 | 25 | 23 | 23 | 25 | 23 | 24 | 28 | 30 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | S 11 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 6 | SE 6 | ESE 6 | S 10 | S 10 | S 10 | S 9 | S 9 | ESE 7 | ESE 7 | ESE 7 | S 9 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 146 | 79 | 68 | 75 | 57 | 60 | 51 | 51 | 66 | 66 | 65 | 60 | 58 | 225 | 204 | 204 | 36 | 204 | 210 | 183 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | E 9 | S 15 | S 15 | S 15 | S 14 | S 9 | S 9 | S 9 | S 13 | S 8 | S 8 | WSW 3 |
| kJ | 44 | 146 | 108 | 100 | 96 | 96 | 92 | 92 | 1 | 4 | 4 | 4 | 4 | 59 | 56 | 38 | 3 | 35 | 35 | 5 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | E 7 | E 7 | E 7 | E 7 | S 16 | E 9 | E 9 | — | — | — | — | — | S 13 | S 13 | — | — | S 13 | S 12 | S 8 |
| kJ | 16 | 8 | 8 | 8 | 8 | 5 | 2 | 1 | — | — | — | — | — | 4 | 3 | — | — | 3 | 3 | 22 |
Wind waves Height (m) Direction Period (s) | WSW 5 | — | — | — | — | — | — | ESE 6 | ESE 6 | ESE 5 | ESE 6 | E 6 | E 7 | — | — | — | ESE 7 | — | — | WSW 3 |
| kJ | 12 | — | — | — | — | — | — | 68 | 60 | 59 | 130 | 193 | 226 | — | — | — | 178 | — | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 82 | 82 | 5 | 5 | 5 | 5 | 0 | 5 | 85 | 122 | 122 | 6 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grumari surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest