
Surf Forecasts:
How big are the waves at Siriu today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 5ft (1.5m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 5ft (1.6m), 7s period with ENE swell.
- Evening surf: Evening surf (19 Sep, local time) - 6ft (1.9m), 7s period with ENE swell.
The current surf forecast for Siriu at 6AM is: 1.1m 6s primary swell from a Northeast direction and 1.0m 7s secondary swell from a East direction, 0.7m 9s secondary swell from a South-southeast direction (forecast issued at 02:00am September 19). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 5ft (1.5m) | 7s |
| Afternoon (19 Sep) | 5ft (1.6m) | 7s |
| Evening (19 Sep) | 6ft (1.9m) | 7s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 60mm), heaviest during Sat night. Warm (max 24°C on Mon morning, min 18°C on Sat morning). Winds decreasing (fresh winds from the NNE on Sat night, light winds from the NNE by Mon afternoon). | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
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) | SSE 9 | ENE 6 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 8 | NE 8 | NE 9 | ENE 9 | NE 9 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph | ||||||||||||||||||||||||
113 | 90 | 103 | 217 | 235 | 235 | 229 | 332 | 542 | 748 | 921 | 1830 | 1020 | 1762 | 1714 | 1665 | 1480 | 1194 | 1079 | 963 | 506 | 485 | 485 | 485 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross |
High Tide | 11:52PM0.30m | 12:05PM0.59m | 11:20PM0.37m | 12:15PM0.64m | 11:19PM0.46m | 12:28PM0.69m | ||||||||||||||||||
Low Tide | 1:59AM0.29m | 9:41PM0.37m | 3:45AM0.24m | 5:46PM0.40m | 4:51AM0.17m | 5:58PM0.35m | ||||||||||||||||||
— | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | |
— | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | |
mm | 1 | 2 | 2 | 2 | 4 | 4 | 7 | 7 | 8 | 6 | 3 | 1 | — | — | 1 | — | — | — | — | 1 | — | 1 | — | 3 |
Temp °C | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 21 | 23 | 21 | 20 | 20 | 21 | 21 | 24 | 21 | 21 | 20 | 21 |
Feels °C | 17 | 16 | 16 | 16 | 17 | 16 | 16 | 14 | 14 | 15 | 16 | 17 | 19 | 22 | 20 | 19 | 19 | 20 | 19 | 25 | 22 | 23 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | E 7 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 8 | SSE 12 | SSE 11 | SSE 11 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
113 | 88 | 91 | 57 | 40 | 26 | 25 | 14 | 50 | 25 | 25 | 1014 | 1020 | 1065 | 1037 | 887 | 768 | 702 | 687 | 586 | 506 | 485 | 485 | 485 | |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | SSE 9 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | — | — | — | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 |
24 | 14 | 84 | 17 | 31 | 32 | 31 | 30 | — | — | — | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | |
Swell 3 Height (m) Direction Period (s) | SE 14 | SSE 13 | SSE 13 | — | SSW 9 | S 12 | SSE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 12 | S 12 |
7 | 18 | 17 | — | 16 | 23 | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | NE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 8 | NE 8 | NE 9 | NNE 9 | NE 9 | NE 10 | NE 10 | NE 10 | NE 9 | NE 9 | NE 9 | — | — | — | — |
53 | 90 | 103 | 217 | 235 | 235 | 229 | 332 | 542 | 748 | 921 | 1830 | 982 | 1762 | 1714 | 1665 | 1480 | 1194 | 1079 | 963 | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 27 | 16 | 16 | 16 | 16 | 16 | 501 | 458 | 236 | 146 | 146 | 146 | 101 | 39 | 33 | 39 | 43 | 63 | 0 | 0 | 9 | 9 | 6 |
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)












