Surf Forecasts:
How big are the waves at Siriu today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3.5ft (1.0m), 8s period with ENE swell.
- Evening surf: Evening surf (31 Aug, local time) - 3ft (0.9m), 9s period with ENE swell.
The current surf forecast for Siriu at 6PM is: 1.0m 8s primary swell from a East-southeast direction and 0.9m 8s secondary swell from a East-northeast direction (forecast issued at 02:00pm August 31). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 3.5ft (1.0m) | 8s |
| Evening (31 Aug) | 3ft (0.9m) | 9s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Mon afternoon. Warm (max 22°C on Thu morning, min 13°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||
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 8 | ENE 8 | ESE 8 | ENE 9 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 341 | 131 | 140 | 137 | 153 | 161 | 202 | 257 | 307 | 338 | 446 | 682 | 701 | 497 | 460 | 408 | 388 | 414 | 486 | 459 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | glassy | cross |
High Tide | 3:37PM0.65m | 3:45AM0.75m | 4:01PM0.59m | 4:28AM0.68m | 4:25PM0.53m | |||||||||||||||
Low Tide | 10:20AM0.13m | 10:09PM0.25m | 11:11AM0.24m | 10:22PM0.27m | 12:29PM0.35m | |||||||||||||||
 |  |  |  | |  |  |  | |  |  | |  | | |  | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — |
mm | 12 | 8 | 1 | 4 | 5 | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 16 | 18 | 18 | 16 | 15 |
Feels °C | 20 | 20 | 19 | 18 | 16 | 20 | 18 | 18 | 13 | 15 | 14 | 13 | 14 | 14 | 12 | 15 | 16 | 17 | 16 | 13 |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ENE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 |
| kJ | 341 | 118 | 140 | 137 | 153 | 161 | 202 | 257 | 307 | 39 | 446 | 515 | 547 | 497 | 460 | 408 | 388 | 414 | 486 | 459 |
Swell 2 Height (m) Direction Period (s) | — | ENE 8 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | — | — | ENE 9 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | ENE 9 |
| kJ | — | 131 | 108 | 106 | 78 | 59 | 59 | 54 | 42 | — | 23 | 26 | — | — | 65 | 141 | 150 | 156 | 124 | 96 |
Swell 3 Height (m) Direction Period (s) | — | SSE 6 | SSE 6 | SSE 6 | — | SSE 7 | SE 10 | SE 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 19 | 22 | 23 | — | 31 | 15 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 8 | SSE 7 | SE 8 | SE 8 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 338 | 348 | 682 | 701 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 9 | 9 | 16 | 9 | 16 | 0 | 0 | 0 | 38 | 13 | 13 | 13 | 0 | 0 | 0 | 0 | 13 | 38 | 0 | 9 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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