Surf Forecasts:
How big are the waves at Siriu today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6ft (1.8m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 7ft (2.1m), 9s period with NE swell.
- Evening surf: Evening surf (21 Sep, local time) - 4.5ft (1.4m), 9s period with ENE swell.
The current surf forecast for Siriu at 6AM is: 2.4m 9s primary swell from a Northeast direction and 1.8m 9s secondary swell from a East-northeast direction, 0.2m 10s secondary swell from a South direction (forecast issued at 02:00am September 21). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6ft (1.8m) | 9s |
| Afternoon (21 Sep) | 7ft (2.1m) | 9s |
| Evening (21 Sep) | 4.5ft (1.4m) | 9s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Mon afternoon. Warm (max 26°C on Mon morning, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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) | NE 10 | NE 9 | NE 9 | ENE 9 | ENE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | S 7 | S 7 | S 8 | S 8 | S 9 | S 9 | S 10 | S 11 | SSE 16 | SSE 16 | SSE 15 | SSE 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1219 | 1046 | 924 | 520 | 495 | 702 | 449 | 311 | 243 | 158 | 125 | 119 | 149 | 235 | 337 | 555 | 792 | 771 | 761 | 1086 | 961 | 1663 | 2228 | 1939 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | on | glassy | 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 | cross-on | glassy | cross |
High Tide | 12:28PM0.69m | 11:34PM0.55m | 12:45PM0.73m | 11:56PM0.63m | 1:04PM0.77m | |||||||||||||||||||
Low Tide | 4:51AM0.17m | 5:58PM0.35m | 5:37AM0.09m | 6:22PM0.30m | 6:16AM0.03m | 6:49PM0.25m | ||||||||||||||||||
 | | |  |  |  |  |  | | | | |  | | |  | | |  | | | | | | |
 | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — |
mm | — | — | — | — | — | 2 | 4 | 3 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 23 | 26 | 23 | 19 | 19 | 19 | 17 | 17 | 16 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 14 | 14 |
Feels °C | 19 | 20 | 22 | 27 | 23 | 21 | 21 | 20 | 15 | 17 | 13 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 10 | 11 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | S 11 | S 11 | SSE 16 | SSE 15 | SSE 14 |
| kJ | 672 | 561 | 561 | 520 | 495 | 435 | 449 | 311 | 243 | 158 | 125 | 119 | 90 | 90 | 92 | 94 | 96 | 99 | 77 | 750 | 595 | 1663 | 2228 | 1939 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 12 | S 8 | S 5 | S 11 | S 11 | E 13 | E 13 | E 13 | E 14 | E 15 | E 15 | SSE 20 | ENE 9 | SSE 16 | S 10 | ENE 9 | ENE 9 |
| kJ | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 3 | 6 | 36 | 2 | 2 | 4 | 3 | 3 | 4 | 4 | 4 | 39 | 79 | 961 | 402 | 108 | 106 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 12 | — | — | S 11 | E 14 | E 14 | — | — | E 16 | — | — | — | E 14 | SE 18 | ENE 9 | ENE 9 | — | E 12 |
| kJ | — | — | — | — | — | — | 3 | — | — | 3 | 4 | 4 | — | — | 5 | — | — | — | 4 | 338 | 103 | 106 | — | 43 |
Wind waves Height (m) Direction Period (s) | NE 10 | NE 9 | NE 9 | N 5 | N 5 | NE 9 | N 5 | SSW 3 | S 5 | SSW 5 | S 6 | S 6 | S 7 | S 7 | S 8 | S 8 | S 9 | S 9 | S 10 | S 11 | — | — | — | — |
| kJ | 1219 | 1046 | 924 | 88 | 74 | 702 | 57 | 5 | 43 | 78 | 46 | 80 | 149 | 235 | 337 | 555 | 792 | 771 | 761 | 1086 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 33 | 71 | 6 | 15 | 16 | 0 | 0 | 25 | 0 | 71 | 428 | 38 | 71 | 38 | 13 | 13 | 13 | 13 | 0 | 10 | 13 | 0 | 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)
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