Surf Forecasts:
How big are the waves at Prainha today (19 Sep):
- Afternoon surf: Afternoon surf (19 Sep, local time) - 0.5ft (0.2m), 12s period with SSE swell.
- Evening surf: Evening surf (19 Sep, local time) - 1ft (0.3m), 11s period with SSE swell.
The current surf forecast for Prainha at 7PM is: 0.2m 12s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 02:00pm September 19). An open ocean swell of 1.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | - | - |
| Afternoon (19 Sep) | 0.5ft (0.2m) | 12s |
| Evening (19 Sep) | 1ft (0.3m) | 11s |
Table - waves today at Prainha. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 120mm), heaviest during Mon morning. Warm (max 21°C on Sun morning, min 13°C on Mon night). Winds decreasing (fresh winds from the NE on Sat night, light winds from the WSW by Mon morning). | ||||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | ||||||||||||||||||
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) | SSE 8 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | S 12 | S 12 | S 12 | S 12 | S 11 | S 10 | S 10 | S 10 | S 10 | S 9 | E 10 | S 9 | SSW 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 24 | 15 | 14 | 25 | 25 | 11 | 11 | 11 | 11 | 9 | 8 | 8 | 8 | 7 | 7 | 377 | 6 | 15 | 300 | 256 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross-on | cross | cross | cross-off | on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 11:33AM0.47m | 3:59PM0.39m | 11:28PM0.24m | 12:01PM0.50m | 11:41PM0.28m | 12:29PM0.53m | ||||||||||||||
Low Tide | 3:00PM0.38m | 8:45PM0.17m | 2:31AM0.16m | 8:56PM0.23m | 3:52AM0.12m | 8:35PM0.27m | ||||||||||||||
 | | |  |  | |  |  |  | |  |  | | |  |  | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — |
 | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — |
mm | 3 | 1 | 5 | 9 | 13 | 6 | — | — | 1 | — | 1 | — | — | — | 3 | 25 | 19 | 22 | 11 | 4 |
Temp °C | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 20 | 21 | 21 | 20 | 20 | 20 | 21 | 18 | 20 | 19 | 19 | 17 | 16 |
Feels °C | 14 | 14 | 13 | 13 | 12 | 15 | 18 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 16 | 22 | 20 | 20 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 11 | SSE 11 | S 12 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 10 | E 9 | E 9 |
| kJ | 24 | 14 | 7 | 25 | 25 | 11 | 660 | 612 | 506 | 459 | 489 | 509 | 520 | 459 | 450 | 377 | 370 | 363 | 300 | 256 |
Swell 2 Height (m) Direction Period (s) | SSE 13 | SSE 12 | SSE 12 | E 12 | — | — | S 12 | S 12 | S 12 | S 11 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 12 | S 11 |
| kJ | 16 | 15 | 14 | 3 | — | — | 11 | 11 | 11 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 3 | 10 |
Swell 3 Height (m) Direction Period (s) | S 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 12 | S 12 | — | — |
| kJ | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | NE 9 | — | — | — | — | — | — | — | — | — | SSW 9 | SSW 3 | S 4 |
| kJ | 278 | 297 | 330 | 297 | 400 | 646 | 1233 | 1351 | — | — | — | — | — | — | — | — | — | 15 | 2 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 165 | 177 | 700 | 692 | 455 | 440 | 328 | 3 | 44 | 76 | 165 | 3 | 3 | 109 | 284 | 0 | 3 | 3 | 76 | 0 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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