Surf Forecasts:
How big are the waves at Rosa today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.0m), 10s period with S swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.0m), 9s period with S swell.
- Evening surf: Evening surf (18 Sep, local time) - 3ft (0.9m), 9s period with SSE swell.
The current surf forecast for Rosa at 1AM is: 1.2m 10s primary swell from a South direction and 0.3m 7s secondary swell from a East direction, 0.5m 4s secondary swell from a Northeast direction (forecast issued at 08:00pm September 17). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.0m) | 10s |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 9s |
| Evening (18 Sep) | 3ft (0.9m) | 9s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 34mm), heaviest during Sat night. Warm (max 26°C on Sun afternoon, min 14°C on Thu night). Mainly fresh winds. | ||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | ||||||||||||||||
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 10 | S 10 | SSE 10 | S 10 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | S 9 | S 9 | ENE 6 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 382 | 354 | 290 | 349 | 240 | 192 | 188 | 180 | 144 | 141 | 108 | 106 | 187 | 236 | 259 | 295 | 393 | 501 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:00PM0.53m | 5:28AM0.47m | 12:05PM0.52m | 4:23PM0.48m | 00:14AM0.27m | 6:57AM0.41m | 12:22PM0.56m | |||||||||||
Low Tide | 8:59PM0.17m | 8:22AM0.39m | 2:57PM0.47m | 9:25PM0.22m | 2:20AM0.25m | 8:02AM0.40m | ||||||||||||
 |  | | | |  | | | |  |  | | |  | | | |  | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — |
 | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 3 | 3 | 5 | 8 |
Temp °C | 17 | 15 | 15 | 14 | 14 | 17 | 21 | 21 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
Feels °C | 14 | 12 | 13 | 12 | 12 | 16 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | SSE 10 | S 10 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | S 9 | S 9 | S 9 | S 9 | SSE 9 | S 13 | S 9 | S 8 |
| kJ | 382 | 354 | 290 | 349 | 240 | 192 | 188 | 180 | 144 | 141 | 108 | 106 | 79 | 57 | 26 | 51 | 36 | 35 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 10 | E 10 | E 10 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 8 | S 13 | S 13 | S 13 | SSE 8 | SSE 8 | E 12 |
| kJ | 9 | 9 | 9 | 9 | 33 | 31 | 30 | 28 | 26 | 26 | 24 | 14 | 14 | 28 | 51 | 14 | 14 | 3 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | E 11 | E 11 | E 11 | — | — | — | — | S 15 | S 14 | S 14 | S 13 | — | — | SSW 9 | S 8 | — | — |
| kJ | 11 | 9 | 9 | 9 | — | — | — | — | 4 | 4 | 4 | 14 | — | — | 16 | 13 | — | — |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 4 | NE 4 | NNE 4 | NE 4 | ENE 4 | NE 4 | NE 4 | NE 4 | NE 5 | NE 5 | NE 6 | ENE 6 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 6 | 10 | 6 | 15 | 5 | 7 | 7 | 15 | 24 | 32 | 64 | 105 | 187 | 236 | 259 | 295 | 393 | 501 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 23 | 4 | 4 | 4 | 4 | 12 | 86 | 12 | 12 | 12 | 12 | 2 | 2 | 2 | 2 | 514 | 514 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||
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 Rosa 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