Surf Forecasts:
How big are the waves at Rosa today (20 Sep):
- Evening surf: Evening surf (20 Sep, local time) - 7ft (2.1m), 7s period with NE swell.
The current surf forecast for Rosa at 12AM is: 2.5m 8s primary swell from a Northeast direction and 0.4m 12s secondary swell from a South direction, 0.2m 9s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 19). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | - | - |
| Evening (20 Sep) | 7ft (2.1m) | 7s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 56mm), heaviest during Mon afternoon. Warm (max 26°C on Mon morning, min 13°C on Tue morning). Winds decreasing (fresh winds from the NNE on Sat night, calm by Mon afternoon). | ||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | ||||||||||||||||
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) | NE 7 | NE 7 | NE 8 | NE 8 | NE 8 | NE 9 | NE 9 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 342 | 428 | 769 | 897 | 1252 | 1255 | 1228 | 1337 | 1347 | 1707 | 1382 | 899 | 880 | 1055 | 588 | 484 | 516 | 516 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | off | cross-on | glassy | cross-off | cross-off |
High Tide | 00:05AM0.32m | 12:37PM0.59m | 7:25PM0.38m | 11:49PM0.38m | 12:49PM0.62m | |||||||||||||
Low Tide | 9:47PM0.29m | 3:48AM0.21m | 5:38PM0.37m | 9:42PM0.37m | 4:51AM0.14m | 6:01PM0.32m | ||||||||||||
 |  |  | | |  |  |  | |  | | | | |  | |  | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — |
mm | 3 | 6 | 3 | 3 | 1 | — | — | 3 | — | — | — | — | — | — | 2 | 3 | 18 | 9 |
Temp °C | 18 | 18 | 18 | 18 | 19 | 20 | 25 | 23 | 21 | 20 | 21 | 21 | 21 | 26 | 20 | 19 | 19 | 19 |
Feels °C | 16 | 15 | 14 | 15 | 17 | 19 | 24 | 24 | 21 | 20 | 21 | 21 | 20 | 26 | 21 | 21 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 8 | S 12 | S 11 | S 11 | S 12 | S 12 | S 12 | S 11 | NE 10 | ENE 10 | S 10 | S 10 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 38 | 35 | 44 | 22 | 23 | 25 | 11 | 10 | 10 | 1175 | 983 | 8 | 8 | 760 | 588 | 484 | 516 | 516 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | E 12 | SSE 9 | — | — | — | — | — | — | S 11 | S 10 | — | — | S 10 | S 10 | S 9 | S 9 | S 9 |
| kJ | 14 | 3 | 7 | — | — | — | — | — | — | 9 | 19 | — | — | 7 | 7 | 16 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 12 | S 12 | S 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 8 | NE 8 | NE 8 | NE 9 | NE 9 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | — | — | — | — |
| kJ | 342 | 428 | 769 | 897 | 1252 | 1255 | 1228 | 1337 | 1347 | 1707 | 1382 | 899 | 880 | 1055 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 514 | 507 | 442 | 238 | 179 | 160 | 115 | 2 | 25 | 47 | 47 | 47 | 115 | 0 | 24 | 0 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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