- Forecast
- Maps
- Live
- Weather State
- Spot Information
Siriu Surf Forecast
/ Santa Catarina – Sul (37 surf breaks) /
Surf Forecasts:
Siriu surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 2 am Thursday 23 Apr 2026 -03Forecast update in hr min s Forecast update imminent
Siriu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Siriu sea temperature is
23.0° C
(Which is normal for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 11AM is: 0.5m 8s primary swell from a Southeast direction and 0.3m 10s secondary swell from a South direction (forecast issued at 02:00am April 23). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 1.5ft (0.5m) | 9s |
| Afternoon (23 Apr) | 1.5ft (0.5m) | 8s |
| Evening (23 Apr) | 2ft (0.6m) | 8s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Fri morning, min 20°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 14 | SE 14 | S 14 | SE 13 | SE 13 | SSE 12 | S 12 | S 12 | S 12 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | |
51 | 50 | 49 | 36 | 35 | 34 | 33 | 42 | 51 | 52 | 101 | 46 | 44 | 61 | 73 | 72 | 69 | 58 | 52 | 49 | 47 | 46 | 47 | 48 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | glassy | glassy | on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | glassy | glassy | cross-on | cross | cross-off | |
High Tide | 11:07PM0.68m | 11:07AM0.26m | 11:49PM0.71m | 11:17AM0.34m | 00:21AM0.71m | 11:12AM0.42m | ||||||||||||||||||
Low Tide | 8:58AM0.24m | 1:56PM0.21m | 9:28AM0.32m | 3:20PM0.18m | 9:55AM0.42m | 4:27PM0.15m | ||||||||||||||||||
 | | |  | |  |  |  | | | |  | | | | | | | | | | | | | |
 | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — |
 | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 21 | 20 | 22 | 24 | 24 | 23 | 22 | 21 | 21 | 20 | 22 | 26 | 26 | 23 | 22 | 21 | 21 | 21 | 24 | 26 | 23 | 22 | 21 |
23 | 22 | 21 | 24 | 25 | 24 | 24 | 24 | 22 | 22 | 21 | 23 | 25 | 24 | 22 | 23 | 21 | 21 | 21 | 26 | 27 | 24 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | ESE 7 | S 12 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | S 10 |
 kJ | 51 | 50 | 49 | 36 | 35 | 34 | 33 | 42 | 41 | 31 | 29 | 28 | 35 | 34 | 37 | 37 | 69 | 17 | 19 | 19 | 14 | 14 | 11 | 48 |
Swell 2 Height (m) Direction Period (s) | NE 4 | NE 4 | S 10 | E 8 | S 10 | E 8 | SSE 12 | SSE 12 | S 11 | S 11 | S 14 | SE 13 | S 9 | SSE 12 | S 12 | S 12 | SE 7 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | NE 5 |
| kJ | 4 | 3 | 18 | 12 | 17 | 12 | 27 | 27 | 39 | 38 | 101 | 46 | 24 | 61 | 73 | 72 | 26 | 58 | 52 | 49 | 47 | 46 | 47 | 7 |
Swell 3 Height (m) Direction Period (s) | S 9 | E 8 | E 8 | S 10 | E 8 | SSE 12 | E 8 | E 8 | SE 14 | SE 14 | E 8 | S 9 | SE 13 | SSW 9 | E 7 | S 12 | E 9 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 15 | 12 | 12 | 17 | 12 | 29 | 11 | 10 | 51 | 52 | 5 | 13 | 44 | 25 | 1 | 44 | 2 | 20 | 20 | 19 | 18 | 15 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 3 | NNE 3 | — | — | — | NNE 3 | — | — | — | NNE 3 | — | — | NE 3 | NE 4 | NE 4 | NE 4 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | — | — |
| kJ | 7 | 4 | 2 | — | — | — | 1 | — | — | — | 1 | — | — | 6 | 11 | 10 | 11 | 33 | 28 | 28 | 30 | 25 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 27 | 27 | 27 | 6 | 0 | 0 | 0 | 6 | 27 | 39 | 9 | 6 | 6 | 0 | 0 | 0 | 0 | 15 | 15 | 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)
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