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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 Tuesday 07 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
22.5° 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 9AM is: 1.3m 13s primary swell from a South-southeast direction and 1.4m 7s secondary swell from a East-northeast direction, 1.7m 7s secondary swell from a East-northeast direction (forecast issued at 02:00am April 07). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Apr) | 4.5ft (1.3m) | 13s |
| Afternoon (07 Apr) | 3.5ft (1.1m) | 13s |
| Evening (07 Apr) | 3.5ft (1.0m) | 13s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 07 | Wednesday 08 | Thursday 09 | ||||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 7 | 7 | 12 | 8 | 8 | 8 | 9 | 11 | 11 | 11 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 731 | 624 | 589 | 547 | 461 | 431 | 356 | 345 | 271 | 213 | 206 | 292 | 240 | 169 | 169 | 168 | 428 | 790 | 556 | 485 | 1006 | 1469 | 2154 | 2225 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- on | on | cross- off | off | cross- off | cross- off | glass | cross- on | cross- on | cross- off | cross- off |
High Tide / height (m) | 3:25AM 0.60 | 4:44PM 0.60 | 3:52AM 0.56 | 5:43PM 0.53 | 11:20PM 0.53 | 4:27AM 0.51 | 10:39AM 0.30 | |||||||||||||||||
Low Tide / height (m) | 9:06PM 0.41 | 9:20AM 0.16 | 8:46PM 0.45 | 9:43AM 0.22 | 8:24PM 0.49 | 2:17AM 0.49 | 10:19AM 0.30 | 1:47PM 0.26 | ||||||||||||||||
Tuesday 07 | Wednesday 08 | Thursday 09 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:02 | - |
 | | |  |  | | |  |  | | |  | | | |  | | | | | | | | | |
Rain (mm) | 2 | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 23 | 24 | 27 | 27 | 25 | 24 | 24 | 24 | 24 | 26 | 29 | 26 | 25 | 23 | 22 | 20 | 20 | 22 | 24 | 23 | 22 | 21 |
| Feels °C (?) | 22 | 24 | 24 | 25 | 27 | 27 | 25 | 25 | 25 | 25 | 26 | 28 | 31 | 28 | 28 | 24 | 23 | 19 | 20 | 22 | 23 | 22 | 21 | 20 |
- Map Icons:
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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