- 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 04 Jul 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
17.1° 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 7AM is: 1.2m 10s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East direction (forecast issued at 02:00am July 04). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Jul) | 3.5ft (1.0m) | 9s |
| Afternoon (04 Jul) | 3ft (0.9m) | 9s |
| Evening (04 Jul) | 3ft (0.9m) | 9s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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) (?) | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 9 | 8 | 8 | 5 | 5 | 8 | 8 | 8 | 11 | 11 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 9 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 331 | 331 | 296 | 206 | 294 | 257 | 183 | 196 | 146 | 138 | 124 | 122 | 102 | 100 | 73 | 74 | 69 | 49 | 47 | 44 | 37 | 33 | 33 | 34 | 29 | 27 | 28 | 33 | 84 | 104 | 106 | 143 | 118 | 133 | 133 | 101 | 68 | 61 | 82 | 99 | 150 | 178 | 159 | 158 | 140 | 143 | 124 | 124 | 122 | 97 | 90 | 69 | 65 | 59 | 60 | 47 | 64 | 52 | 42 | 34 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross- off | glass | cross | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | glass | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | glass | glass | cross- off | cross- off | cross- off | cross | cross | cross- on | cross | cross | cross | cross- off | cross- off | glass | cross | cross- on | cross | cross- off | cross- off | glass | cross- off | glass | glass | on | cross- on | glass | glass | glass | glass | glass | on | cross- on | glass | glass | glass | glass | glass | glass |
High Tide / height (m) | 8:14AM 0.52 | 8:48PM 0.48 | 11:23AM 0.56 | 10:28PM 0.49 | 12:17PM 0.62 | 11:23PM 0.51 | 12:57PM 0.67 | 12:04AM 0.54 | 1:31PM 0.72 | 12:38AM 0.57 | 2:04PM 0.75 | 1:11AM 0.61 | 2:35PM 0.76 | 1:43AM 0.65 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 3:05AM 0.34 | 3:50PM 0.34 | 4:09AM 0.29 | 5:06PM 0.35 | 5:06AM 0.23 | 6:12PM 0.34 | 5:56AM 0.17 | 7:03PM 0.32 | 6:42AM 0.11 | 7:46PM 0.30 | 7:25AM 0.06 | 8:24PM 0.30 | 8:07AM 0.02 | 9:00PM 0.30 | 8:49AM -0.00 | |||||||||||||||||||||||||||||||||||||||||||||
Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 |
| Sunset | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - | - |
 |  | |  |  | | | | |  | | | | | | | | | | | | | | | | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 14 | 15 | 17 | 18 | 16 | 15 | 15 | 15 | 14 | 15 | 18 | 19 | 15 | 14 | 14 | 13 | 12 | 14 | 16 | 16 | 14 | 14 | 14 | 15 | 15 | 17 | 20 | 21 | 17 | 16 | 15 | 14 | 14 | 16 | 19 | 18 | 16 | 16 | 16 | 15 | 15 | 15 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 15 | 17 | 17 | 15 | 15 | 15 | 15 | 15 | 16 |
| Feels °C (?) | 12 | 14 | 12 | 15 | 16 | 17 | 15 | 13 | 13 | 13 | 12 | 14 | 18 | 18 | 14 | 13 | 13 | 12 | 10 | 13 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 15 | 17 | 17 | 14 | 13 | 12 | 11 | 12 | 16 | 17 | 17 | 15 | 15 | 16 | 15 | 15 | 15 | 18 | 17 | 16 | 15 | 16 | 15 | 15 | 16 | 17 | 17 | 15 | 15 | 15 | 16 | 16 | 17 |
- 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