
Surf Forecasts:
How big are the waves at Siriu today (15 Sep):
- Afternoon surf: Afternoon surf (15 Sep, local time) - 2.5ft (0.8m), 10s period with SSE swell.
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.0m), 6s period with S swell.
The current surf forecast for Siriu at 6PM is: 0.8m 10s primary swell from a South-southeast direction and 0.8m 8s secondary swell from a Southeast direction, 0.7m 6s secondary swell from a South direction (forecast issued at 02:00pm September 15). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | - | - |
| Afternoon (15 Sep) | 2.5ft (0.8m) | 10s |
| Evening (15 Sep) | 3.5ft (1.0m) | 6s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Thu afternoon, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||
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 10 | SSE 10 | SSE 10 | S 6 | S 7 | SSE 12 | S 8 | SSE 8 | S 9 | S 9 | S 9 | S 10 | S 10 | S 9 | S 9 | S 8 | S 8 | S 8 | S 11 | SSE 10 |
Wave Graph | ||||||||||||||||||||
244 | 139 | 141 | 74 | 89 | 179 | 191 | 238 | 263 | 342 | 269 | 459 | 499 | 347 | 225 | 140 | 111 | 147 | 338 | 365 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross-off | off | glassy | cross-on | cross | cross | cross-off | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 3:13PM0.63m | 4:00AM0.66m | 3:33PM0.60m | 4:42AM0.58m | 3:51PM0.57m | |||||||||||||||
Low Tide | 9:26AM0.32m | 8:54PM0.17m | 8:51AM0.38m | 9:10PM0.18m | 8:38AM0.43m | |||||||||||||||
— | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | |
— | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 16 | 15 | 15 | 15 | 13 | 13 | 16 | 18 | 17 | 15 | 15 | 14 | 14 | 14 | 17 | 18 | 19 | 17 | 15 |
Feels °C | 15 | 13 | 12 | 12 | 12 | 11 | 11 | 15 | 14 | 13 | 12 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SSE 10 | SSE 10 | S 6 | S 7 | S 7 | S 8 | SSE 8 | S 9 | S 9 | S 9 | S 10 | S 10 | S 9 | S 9 | S 8 | S 8 | S 8 | S 11 | SSE 10 |
93 | 139 | 141 | 74 | 89 | 150 | 191 | 238 | 263 | 220 | 269 | 459 | 499 | 347 | 225 | 140 | 111 | 147 | 338 | 365 | |
Swell 2 Height (m) Direction Period (s) | SSE 9 | E 8 | SE 8 | SE 8 | SE 8 | SSE 12 | SSE 11 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | S 11 | SSE 11 | SSE 11 | E 7 | E 7 |
113 | 32 | 78 | 54 | 51 | 179 | 98 | 39 | 38 | 27 | 26 | 26 | 27 | 17 | 17 | 89 | 93 | 97 | 9 | 9 | |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | SE 8 | SE 8 | SSE 14 | SSE 13 | ESE 8 | E 12 | SSE 12 | SSE 12 | E 7 | E 7 | E 7 | ESE 11 | ESE 11 |
33 | 31 | 30 | 41 | 40 | 39 | 39 | 15 | 9 | 41 | 70 | 6 | 11 | 30 | 29 | 17 | 17 | 17 | 11 | 11 | |
Wind waves Height (m) Direction Period (s) | S 10 | SE 8 | S 6 | — | — | — | — | — | — | S 9 | — | — | — | — | — | — | — | NE 3 | ENE 3 | NE 3 |
244 | 132 | 30 | — | — | — | — | — | — | 342 | — | — | — | — | — | — | — | 2 | 3 | 7 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 38 | 15 | 10 | 0 | 0 | 0 | 0 | 0 | 13 | 38 | 10 | 0 | 0 | 0 | 0 | 9 | 27 | 27 | 27 | 9 |
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)











