
Surf Forecasts:
How big are the waves at Siriu today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 4.5ft (1.3m), 8s period with S swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 5ft (1.5m), 8s period with S swell.
- Evening surf: Evening surf (17 Oct, local time) - 6ft (1.9m), 9s period with S swell.
The current surf forecast for Siriu at 7AM is: 1.7m 8s primary swell from a South direction and 1.3m 8s secondary swell from a South direction, 1.0m 8s secondary swell from a East-southeast direction (forecast issued at 02:00am October 17). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 4.5ft (1.3m) | 8s |
| Afternoon (17 Oct) | 5ft (1.5m) | 8s |
| Evening (17 Oct) | 6ft (1.9m) | 9s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sat morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 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 7 | S 8 | S 8 | S 8 | ESE 9 | S 8 | S 8 | S 9 | S 10 | S 10 | S 10 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph | ||||||||||||||||||||||||
348 | 367 | 329 | 186 | 197 | 280 | 271 | 588 | 867 | 710 | 663 | 1290 | 2115 | 1962 | 1855 | 1786 | 1969 | 1601 | 969 | 787 | 684 | 603 | 603 | 573 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | glassy | cross-on | cross | cross | off | cross-off | off | off | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross-off |
High Tide | 5:27AM0.52m | 11:17AM0.54m | 4:06PM0.53m | 10:26PM0.29m | 11:22AM0.58m | 5:14PM0.48m | 11:34AM0.63m | |||||||||||||||||
Low Tide | 8:02AM0.48m | 1:59PM0.51m | 10:07PM0.29m | 1:28AM0.26m | 3:35PM0.47m | 3:01AM0.23m | 4:27PM0.41m | |||||||||||||||||
— | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | |
— | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 18 | 20 | 19 | 18 | 16 | 15 | 14 | 13 | 17 | 19 | 18 | 16 | 15 | 14 | 13 | 12 | 16 | 18 | 18 | 16 | 15 |
Feels °C | 15 | 16 | 15 | 18 | 18 | 16 | 16 | 15 | 13 | 12 | 10 | 14 | 14 | 14 | 12 | 11 | 10 | 10 | 9 | 14 | 14 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 10 | S 10 | S 10 | S 12 | S 12 | S 11 | S 11 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
205 | 223 | 186 | 186 | 163 | 176 | 271 | 588 | 867 | 710 | 663 | 1290 | 1365 | 1270 | 1329 | 1280 | 1250 | 1059 | 969 | 787 | 684 | 603 | 603 | 573 | |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 9 | ESE 9 |
176 | 151 | 151 | 154 | 197 | 216 | 216 | 173 | 144 | 150 | 128 | 136 | 150 | 147 | 139 | 108 | 108 | 74 | 73 | 71 | 49 | 46 | 29 | 29 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 15 | SE 14 | — | — | — | E 10 | — | — | — | NE 8 | NE 7 | NE 8 | NE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 |
— | — | — | — | — | 4 | 8 | — | — | — | 127 | — | — | — | 3 | 2 | 2 | 3 | 7 | 7 | 6 | 6 | 6 | 2 | |
Wind waves Height (m) Direction Period (s) | S 7 | S 8 | S 8 | SSW 8 | — | S 8 | SSW 8 | SSW 9 | SSW 10 | SSW 10 | SSW 10 | — | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 | — | — | — | — | — | — |
348 | 367 | 329 | 346 | — | 280 | 676 | 1469 | 2043 | 1557 | 1011 | — | 2115 | 1962 | 1855 | 1786 | 1969 | 1601 | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 13 | 15 | 10 | 0 | 0 | 0 | 0 | 0 | 15 | 15 | 21 | 13 | 13 | 9 | 0 | 0 | 15 | 15 | 10 | 0 |
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)












