- 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 8 am Tuesday 19 May 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
20.7° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 1PM is: 2.0m 16s primary swell from a South-southeast direction and 1.1m 16s secondary swell from a South-southeast direction (forecast issued at 08:00am May 19). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 6.5ft (2.0m) | 13s |
| Afternoon (19 May) | 7ft (2.1m) | 16s |
| Evening (19 May) | 6.5ft (2.0m) | 14s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Tue morning, min 12°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 14 | S 13 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | S 13 | SSE 13 | S 13 | SSE 13 | SSE 14 | S 14 | S 15 | S 15 | SSE 15 | SSE 14 | SSE 14 | S 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | |
326 | 1412 | 2084 | 2054 | 1902 | 1644 | 1249 | 958 | 787 | 669 | 764 | 943 | 1341 | 2805 | 4284 | 5069 | 3284 | 3051 | 2702 | 3095 | 2049 | 1858 | 1990 | 2197 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-on | cross | cross-off | glassy | off | off | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | off | off | |
High Tide | 4:16PM0.65m | 8:00PM0.64m | 2:35AM0.57m | 5:10PM0.58m | 9:36PM0.65m | 3:05AM0.59m | 10:39PM0.66m | |||||||||||||||||
Low Tide | 10:05AM0.09m | 6:31PM0.63m | 00:01AM0.51m | 11:05AM0.11m | 6:10PM0.57m | 00:59AM0.56m | 12:14PM0.14m | 1:57AM0.57m | ||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | |  | | |
 | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | 6:52 |
 | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | 5:29 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 17 | 16 | 16 | 15 | 15 | 14 | 13 | 15 | 17 | 17 | 15 | 14 | 13 | 12 | 12 | 14 | 16 | 17 | 14 | 13 | 12 | 12 |
10 | 12 | 15 | 15 | 15 | 14 | 15 | 13 | 12 | 15 | 15 | 15 | 12 | 11 | 10 | 9 | 9 | 11 | 12 | 13 | 11 | 10 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | S 14 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | S 13 | SSE 13 | S 13 | SSE 13 | SSE 14 | SSE 14 | SSE 15 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 |
 kJ | 143 | 849 | 2084 | 2054 | 1902 | 1644 | 1249 | 958 | 787 | 669 | 764 | 943 | 1341 | 1704 | 2772 | 3216 | 3284 | 3051 | 2702 | 2402 | 2049 | 1858 | 1990 | 2197 |
Swell 2 Height (m) Direction Period (s) | SSE 14 | SSE 18 | SSE 16 | ESE 6 | ESE 5 | ESE 6 | ESE 6 | E 6 | E 6 | E 5 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | — | — | — | — | — | E 8 | — | — |
| kJ | 326 | 486 | 686 | 18 | 10 | 12 | 10 | 9 | 9 | 5 | 8 | 9 | 9 | 9 | 4 | — | — | — | — | — | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | SSE 19 | ESE 6 | — | — | — | ENE 7 | ENE 7 | — | — | ENE 7 | — | — | — | E 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | 243 | 22 | — | — | — | 5 | 5 | — | — | 5 | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 7 | S 13 | — | — | — | — | — | — | — | — | — | — | — | S 14 | S 15 | S 15 | — | — | — | S 14 | — | — | — | — |
| kJ | 253 | 1412 | — | — | — | — | — | — | — | — | — | — | — | 2805 | 4284 | 5069 | — | — | — | 3095 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 10 | 13 | 10 | 0 | 0 | 0 | 0 | 0 | 13 | 13 | 10 | 6 | 6 | 6 | 0 | 0 | 13 | 38 | 10 | 0 | 0 | 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