Surf Forecasts:
How big are the waves at Siriu today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Evening surf: Evening surf (17 Aug, local time) - 5ft (1.6m), 8s period with ENE swell.
The current surf forecast for Siriu at 5AM is: 2.0m 8s primary swell from a East-northeast direction and 1.6m 8s secondary swell from a East-northeast direction, 0.5m 10s secondary swell from a South-southeast direction (forecast issued at 08:00pm August 16). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 5.5ft (1.7m) | 8s |
| Afternoon (17 Aug) | 5.5ft (1.7m) | 8s |
| Evening (17 Aug) | 5ft (1.6m) | 8s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Tue afternoon, min 18°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | ||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 527 | 483 | 531 | 517 | 461 | 344 | 372 | 403 | 413 | 360 | 569 | 517 | 504 | 470 | 481 | 287 | 277 | 234 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | off |
High Tide | 3:38PM0.61m | 3:40AM0.73m | 3:57PM0.60m | 4:19AM0.67m | 4:18PM0.58m | |||||||||||||
Low Tide | 9:19PM0.29m | 10:38AM0.26m | 9:15PM0.26m | 9:51AM0.35m | ||||||||||||||
 | | | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 18 | 18 | 18 | 19 | 23 | 24 | 21 | 19 | 19 | 19 | 20 | 23 | 30 | 31 | 23 | 23 |
Feels °C | 17 | 17 | 16 | 16 | 16 | 17 | 21 | 22 | 20 | 18 | 18 | 18 | 19 | 22 | 29 | 31 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 365 | 375 | 348 | 339 | 311 | 344 | 33 | 20 | 19 | 9 | 351 | 287 | 280 | 315 | 280 | 287 | 277 | 234 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | — | SE 8 | — | SE 9 | SSE 11 | SSE 11 | SSE 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 92 | 80 | 80 | 58 | 57 | 39 | — | 3 | — | 3 | 11 | 11 | 10 | 8 | 8 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | — | — | — | — | SE 9 | — | — | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 13 | 14 | 13 | 13 | 12 | 3 | — | — | — | — | 3 | — | — | 3 | 3 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NNE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | N 4 | — | SW 3 |
| kJ | 527 | 483 | 531 | 517 | 461 | 343 | 372 | 403 | 413 | 360 | 569 | 517 | 504 | 470 | 481 | 40 | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 16 | 269 | 91 | 91 | 91 | 91 | 109 | 101 | 16 | 109 | 91 | 43 | 43 | 43 | 43 | 9 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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