Surf Forecasts:
How big are the waves at Prainha today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 4.5ft (1.4m), 8s period with E swell.
- Evening surf: Evening surf (20 Sep, local time) - 6ft (1.8m), 8s period with E swell.
The current surf forecast for Prainha at 3PM is: 1.4m 8s primary swell from a East direction and 0.6m 12s secondary swell from a South direction, 0.1m 14s secondary swell from a East direction (forecast issued at 08:00am September 20). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (20 Sep) | 4.5ft (1.4m) | 8s |
| Evening (20 Sep) | 6ft (1.8m) | 8s |
Table - waves today at Prainha. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Tue night. Warm (max 33°C on Mon afternoon, min 21°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 478 | 454 | 367 | 221 | 311 | 362 | 582 | 471 | 223 | 196 | 169 | 144 | 144 | 124 | 124 | 152 | 157 | 165 | 171 | 145 | 145 | 117 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | cross-on | glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy |
High Tide | 12:07PM0.78m | 11:34PM0.65m | 12:38PM0.86m | 00:12AM0.76m | 1:06PM0.94m | |||||||||||||||||
Low Tide | 3:30AM0.35m | 5:03PM0.54m | 4:57AM0.28m | 5:55PM0.45m | 5:53AM0.18m | 6:30PM0.37m | ||||||||||||||||
 |  | | |  |  | |  |  | | | | |  |  | | | | | | |  | |
 | 5:46 | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | — | — | — | — | 1 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 6 |
Temp °C | 19 | 23 | 26 | 26 | 24 | 24 | 22 | 22 | 21 | 25 | 31 | 33 | 29 | 27 | 26 | 24 | 23 | 28 | 24 | 23 | 21 | 21 |
Feels °C | 19 | 23 | 27 | 25 | 26 | 27 | 24 | 21 | 21 | 25 | 30 | 33 | 30 | 28 | 26 | 24 | 23 | 27 | 24 | 23 | 21 | 25 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 8 | E 8 | S 12 | S 12 | S 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 11 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 |
| kJ | 272 | 287 | 253 | 98 | 67 | 43 | 341 | 299 | 223 | 196 | 169 | 144 | 9 | 124 | 124 | 152 | 157 | 165 | 171 | 145 | 145 | 117 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | E 14 | SE 14 | SE 14 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | — | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 11 |
| kJ | 80 | 75 | 69 | 4 | 7 | 7 | 42 | 24 | 24 | 24 | 23 | 10 | — | 9 | 9 | 9 | 9 | 8 | 2 | 2 | 8 | 10 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 8 | S 9 | — | — | — | SE 14 | — | — | — | NW 4 | NNW 3 | — | — | — | — | — | S 12 | S 12 | S 12 | S 12 | S 11 |
| kJ | 23 | 12 | 14 | — | — | — | 7 | — | — | — | 1 | 1 | — | — | — | — | — | 3 | 3 | 3 | 3 | 10 |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | E 8 | NW 4 | NW 4 | N 3 | — | E 8 | NNE 3 | NNE 3 | — | N 3 | N 3 | WNW 3 | W 4 | WSW 6 | WSW 6 |
| kJ | 478 | 454 | 367 | 221 | 311 | 362 | 582 | 471 | 1 | 1 | 1 | — | 144 | 1 | 3 | — | 1 | 2 | 5 | 31 | 95 | 77 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 5 | 5 | 0 | 0 | 5 | 0 | 0 | 19 | 5 | 0 | 0 | 0 | 0 | 0 | 29 | 85 | 85 | 85 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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