- 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 Friday 27 Mar 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
26.9° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 10AM is: 1.0m 7s primary swell from a Northeast direction and 0.8m 7s secondary swell from a East-northeast direction, 0.3m 8s secondary swell from a East-southeast direction (forecast issued at 02:00am March 27). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Mar) | 2.5ft (0.8m) | 7s |
| Afternoon (27 Mar) | 3ft (0.9m) | 7s |
| Evening (27 Mar) | 3.5ft (1.1m) | 7s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 27 | Saturday 28 | Sunday 29 | ||||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 12 | 12 | 5 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 59 | 59 | 61 | 59 | 49 | 73 | 70 | 111 | 109 | 77 | 118 | 109 | 75 | 85 | 82 | 72 | 99 | 85 | 49 | 77 | 46 | 45 | 37 | 40 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 12:44AM 0.75 | 12:13PM 0.41 | 1:12AM 0.76 | 12:03PM 0.49 | 1:31AM 0.75 | 11:58AM 0.58 | ||||||||||||||||||
Low Tide / height (m) | 9:23AM 0.36 | 5:04PM 0.13 | 6:44AM 0.39 | 5:54PM 0.07 | 6:49AM 0.36 | 6:35PM 0.02 | ||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 29 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:17 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 23 | 26 | 30 | 30 | 27 | 24 | 24 | 23 | 23 | 25 | 30 | 30 | 26 | 23 | 23 | 22 | 22 | 26 | 30 | 30 | 26 | 24 |
| Feels °C (?) | 27 | 26 | 25 | 28 | 30 | 29 | 28 | 26 | 26 | 24 | 24 | 26 | 28 | 28 | 25 | 23 | 24 | 22 | 22 | 26 | 29 | 29 | 27 | 26 |
- 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