Surf Forecasts:
How big are the waves at Rosa today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 3.5ft (1.1m), 8s period with S swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.3m), 11s period with S swell.
- Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.3m), 10s period with S swell.
The current surf forecast for Rosa at 9AM is: 1.1m 8s primary swell from a South direction and 0.7m 11s secondary swell from a South direction (forecast issued at 02:00am September 17). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 3.5ft (1.1m) | 8s |
| Afternoon (17 Sep) | 4.5ft (1.3m) | 11s |
| Evening (17 Sep) | 4.5ft (1.3m) | 10s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 58mm), heaviest during Sat night. Warm (max 20°C on Fri morning, min 14°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||||
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 | 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 10 | S 9 | S 9 | S 8 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | SSE 9 | SSE 9 | S 9 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 494 | 332 | 224 | 167 | 396 | 389 | 382 | 354 | 290 | 284 | 240 | 192 | 188 | 180 | 144 | 141 | 108 | 145 | 241 | 315 | 333 | 384 | 395 | 455 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:36AM0.55m | 11:50AM0.47m | 4:00PM0.53m | 5:28AM0.47m | 12:05PM0.52m | 4:23PM0.48m | 00:14AM0.27m | 6:57AM0.41m | 12:22PM0.56m | |||||||||||||||
Low Tide | 8:14AM0.37m | 12:59PM0.47m | 8:59PM0.17m | 8:22AM0.39m | 2:57PM0.47m | 9:25PM0.22m | 2:20AM0.25m | 8:02AM0.40m | ||||||||||||||||
 | | |  | | | | | | | |  | | | |  |  | | |  |  | |  |  | |
 | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 8 | 4 | 7 | 11 | 13 |
Temp °C | 14 | 13 | 13 | 16 | 18 | 18 | 17 | 15 | 14 | 14 | 14 | 17 | 20 | 20 | 18 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 |
Feels °C | 13 | 12 | 12 | 14 | 15 | 14 | 14 | 13 | 12 | 12 | 12 | 15 | 17 | 17 | 17 | 17 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 18 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 8 | S 11 | S 11 | S 11 | S 10 | S 10 | S 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 12 | S 12 |
| kJ | 494 | 332 | 224 | 167 | 396 | 389 | 382 | 354 | 290 | 284 | 240 | 192 | 188 | 180 | 144 | 141 | 108 | 106 | 79 | 57 | 26 | 51 | 47 | 47 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 8 | S 12 | S 11 | E 7 | ESE 11 | E 7 | E 7 | E 7 | E 7 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | ESE 8 | S 13 | S 13 | S 13 | S 13 | SSE 9 | SSE 8 | E 12 |
| kJ | 27 | 18 | 67 | 116 | 17 | 12 | 9 | 9 | 9 | 9 | 33 | 31 | 30 | 28 | 26 | 24 | 24 | 14 | 14 | 28 | 29 | 16 | 7 | 3 |
Swell 3 Height (m) Direction Period (s) | E 12 | SSE 12 | E 8 | E 8 | E 11 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 | — | — | — | — | — | ESE 5 | S 14 | — | — | — | S 9 | S 9 | — | — |
| kJ | 11 | 30 | 18 | 18 | 10 | 12 | 11 | 9 | 9 | 9 | — | — | — | — | — | 4 | 4 | — | — | — | 14 | 6 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ENE 7 | NE 3 | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 5 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | — | — | — | — | — | 29 | 6 | 7 | 9 | 10 | 8 | 8 | 11 | 18 | 18 | 16 | 42 | 145 | 241 | 315 | 333 | 384 | 395 | 455 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 4 | 12 | 12 | 12 | 23 | 4 | 4 | 4 | 4 | 12 | 12 | 4 | 4 | 12 | 12 | 2 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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