Surf Forecasts:
How big are the waves at Siriu today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 2.5ft (0.7m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 2.5ft (0.8m), 8s period with ENE swell.
- Evening surf: Evening surf (04 Sep, local time) - 3ft (0.9m), 8s period with ENE swell.
The current surf forecast for Siriu at 8AM is: 0.7m 11s primary swell from a Southeast direction and 0.5m 8s secondary swell from a East direction, 0.6m 4s secondary swell from a South direction (forecast issued at 02:00am September 04). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 2.5ft (0.7m) | 10s |
| Afternoon (04 Sep) | 2.5ft (0.8m) | 8s |
| Evening (04 Sep) | 3ft (0.9m) | 8s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Sat afternoon. Very mild (max 17°C on Fri afternoon, min 9°C on Sun night). Winds increasing (light winds from the SSW on Sat morning, fresh winds from the SSW by Sun afternoon). | ||||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||||
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) | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 10 | S 9 | S 9 | S 9 | S 8 | S 8 | S 7 | S 7 | S 8 | S 9 | S 10 | S 10 | S 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 228 | 165 | 137 | 108 | 102 | 71 | 71 | 92 | 96 | 125 | 125 | 125 | 134 | 230 | 304 | 204 | 228 | 326 | 243 | 447 | 708 | 1102 | 1013 | 1148 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:44AM0.63m | 00:04AM0.36m | 12:25PM0.73m | 00:19AM0.41m | 1:01PM0.79m | |||||||||||||||||||
Low Tide | 1:56AM0.30m | 9:10PM0.30m | 3:36AM0.25m | 9:01PM0.34m | 4:52AM0.16m | 6:52PM0.34m | ||||||||||||||||||
 | |  |  | | |  |  | | | |  | |  | |  | | | |  | | | | | |
 | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — |
mm | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 16 | 16 | 16 | 17 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 13 | 14 | 14 | 14 | 12 | 11 | 12 | 14 | 13 | 13 | 12 |
Feels °C | 19 | 14 | 14 | 13 | 13 | 14 | 13 | 14 | 13 | 12 | 12 | 13 | 12 | 11 | 10 | 10 | 10 | 8 | 7 | 7 | 7 | 5 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 9 | S 9 | ENE 8 | S 8 | S 7 | S 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | S 9 |
| kJ | 228 | 165 | 137 | 108 | 58 | 71 | 71 | 92 | 96 | 125 | 125 | 125 | 92 | 129 | 152 | 70 | 228 | 189 | 243 | 21 | 22 | 14 | 12 | 763 |
Swell 2 Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | E 8 | SE 10 | SE 10 | S 5 | S 6 | S 6 | S 7 | S 8 | S 10 | S 9 | ENE 8 | ENE 8 | SE 10 | ENE 8 | E 8 | E 8 | E 9 | — | — | — | E 8 |
| kJ | 36 | 30 | 25 | 35 | 102 | 64 | 28 | 34 | 38 | 38 | 89 | 113 | 134 | 92 | 70 | 16 | 51 | 46 | 32 | 14 | — | — | — | 12 |
Swell 3 Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | NE 6 | S 9 | S 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 15 | SE 10 | SE 10 | SE 10 | — | — | — | — | — |
| kJ | 36 | 24 | 23 | 16 | 2 | 2 | 63 | 63 | 63 | 36 | 37 | 37 | 37 | 37 | 25 | 8 | 16 | 16 | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 5 | S 7 | S 4 | S 4 | S 5 | S 5 | — | — | — | — | — | — | — | S 9 | S 9 | S 8 | S 6 | S 7 | S 7 | S 8 | S 9 | S 10 | S 10 | S 9 |
| kJ | 81 | 1 | 9 | 13 | 21 | 25 | — | — | — | — | — | — | — | 230 | 304 | 204 | 235 | 326 | 465 | 447 | 708 | 1102 | 1013 | 1148 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 13 | 13 | 21 | 38 | 10 | 10 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 13 | 13 | 13 | 10 | 10 | 10 | 65 | 1501 | 13 | 13 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Siriu surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest