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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 22 Jan 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
25.4° C
(Which is normal for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 10AM is: 1.2m 10s primary swell from a Southeast direction and 0.6m 9s secondary swell from a East direction (forecast issued at 02:00am January 22). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jan) | 4ft (1.2m) | 10s |
| Afternoon (22 Jan) | 4.5ft (1.3m) | 11s |
| Evening (22 Jan) | 4ft (1.2m) | 11s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||||||||||
| 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 293 | 305 | 311 | 284 | 328 | 368 | 375 | 334 | 288 | 245 | 204 | 200 | 192 | 203 | 367 | 151 | 127 | 123 | 117 | 177 | 157 | 135 | 116 | 116 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | glass | on | on | on | glass | glass | glass | cross- off | cross | cross- on | cross- on | cross- on | cross- on | glass | glass | off | glass | cross- on | on | on | glass |
High Tide / height (m) | 4:13AM 0.70 | 3:42PM 0.75 | 4:44AM 0.65 | 4:21PM 0.71 | 5:17AM 0.59 | 5:06PM 0.65 | ||||||||||||||||||
Low Tide / height (m) | 10:28PM 0.01 | 10:51AM 0.34 | 11:12PM 0.07 | 11:34AM 0.36 | 12:05AM 0.16 | 12:30PM 0.38 | ||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||||||||||
| Sunrise | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - |
 |  |  |  |  | | |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 20 | 22 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 22 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 23 | 25 | 25 | 24 | 22 |
| Feels °C (?) | 21 | 22 | 21 | 23 | 23 | 21 | 21 | 21 | 22 | 21 | 19 | 22 | 22 | 23 | 23 | 23 | 24 | 23 | 22 | 24 | 26 | 25 | 25 | 24 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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.
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