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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 pm Tuesday 14 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
22.1° C
(Which is 2.0°C colder than average for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 6PM is: 0.4m 12s primary swell from a South-southeast direction and 0.7m 6s secondary swell from a East-northeast direction (forecast issued at 02:00pm April 14). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Apr) | - | - |
| Afternoon (14 Apr) | 1.5ft (0.4m) | 12s |
| Evening (14 Apr) | 1.5ft (0.4m) | 11s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 12 | 12 | 11 | 6 | 16 | 15 | 15 | 15 | 14 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 53 | 47 | 46 | 39 | 45 | 38 | 37 | 57 | 75 | 97 | 136 | 162 | 190 | 180 | 163 | 185 | 177 | 131 | 127 | 123 | 138 | 131 | 109 | 105 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross |
High Tide / height (m) | ||||||||||||||||||||||||
Low Tide / height (m) | ||||||||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 |
| Sunset | - | 5:58 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - |
 |  |  | |  |  | | | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - |
| Temp. °C | 26 | 26 | 23 | 22 | 21 | 22 | 22 | 24 | 25 | 26 | 23 | 22 | 22 | 21 | 21 | 23 | 26 | 26 | 23 | 21 | 21 | 20 | 20 | 23 |
| Feels °C (?) | 26 | 25 | 23 | 23 | 21 | 23 | 23 | 24 | 24 | 24 | 22 | 22 | 22 | 21 | 21 | 23 | 24 | 23 | 21 | 20 | 21 | 19 | 20 | 24 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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