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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 Sunday 30 Nov 2025 -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
20.4° C
(Which is 2.7°C colder than average for this time of year)How big are the waves at Siriu today?
The current surf forecast for Siriu at 7AM is: 0.9m 7s primary swell from a South direction and 0.7m 9s secondary swell from a East direction (forecast issued at 02:00am November 30). The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Nov) | 2.5ft (0.7m) | 9s |
| Afternoon (30 Nov) | 3ft (0.9m) | 9s |
| Evening (30 Nov) | 3ft (0.9m) | 9s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 30 | Monday 01 | Tuesday 02 | ||||||||||||||||||||||
| 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) (?) | 6 | 7 | 7 | 9 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 10 | 9 | 9 | 9 | 8 | 6 | 5 | 6 | 10 | 10 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 100 | 82 | 82 | 76 | 149 | 134 | 129 | 126 | 116 | 111 | 108 | 90 | 66 | 117 | 101 | 76 | 74 | 33 | 43 | 61 | 27 | 77 | 136 | 264 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | glass | glass | on | cross- on | cross- on | glass | cross- off | cross | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross | cross | cross- off | cross- off |
High Tide / height (m) | 11:58AM 0.68 | 11:27PM 0.64 | 12:25PM 0.65 | 12:18AM 0.71 | 12:43PM 0.60 | |||||||||||||||||||
Low Tide / height (m) | 4:46AM 0.11 | 5:26PM 0.26 | 5:48AM 0.11 | 6:09PM 0.21 | 6:47AM 0.13 | 6:49PM 0.15 | ||||||||||||||||||
Sunday 30 | Monday 01 | Tuesday 02 | ||||||||||||||||||||||
| Sunrise | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:57 | - |
 |  |  | |  | | |  |  |  |  | | | |  |  | | |  |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | 1 | 8 | 5 | - | 2 | 1 | 2 | 2 | 1 | - |
| Temp. °C | 18 | 18 | 19 | 20 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 20 | 22 | 24 | 22 | 21 | 21 | 21 | 21 | 23 | 24 | 23 | 21 | 20 |
| Feels °C (?) | 18 | 20 | 21 | 22 | 23 | 23 | 22 | 22 | 20 | 20 | 19 | 20 | 22 | 22 | 22 | 21 | 22 | 21 | 21 | 25 | 25 | 23 | 19 | 20 |
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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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