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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 Friday 29 May 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
18.5° C
(Which is 2.6°C colder than average for this time of year)How big are the waves at Siriu today (29 May):
- Afternoon surf: Afternoon surf (29 May, local time) - 2ft (0.6m), 7s period with ESE swell.
- Evening surf: Evening surf (29 May, local time) - 2ft (0.6m), 7s period with ESE swell.
The current surf forecast for Siriu at 6PM is: 0.6m 7s primary swell from a East-southeast direction and 0.3m 8s secondary swell from a South-southeast direction (forecast issued at 02:00pm May 29). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | - | - |
| Afternoon (29 May) | 2ft (0.6m) | 7s |
| Evening (29 May) | 2ft (0.6m) | 7s |
Table - waves today at Siriu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Warm (max 20°C on Sun morning, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 7 | ESE 7 | ESE 7 | ESE 7 | SSE 8 | SSE 9 | SSE 10 | SE 10 | SSE 10 | SSE 11 | SSE 11 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | |
36 | 31 | 32 | 33 | 51 | 61 | 204 | 400 | 587 | 622 | 610 | 510 | 286 | 281 | 218 | 214 | 192 | 125 | 137 | 128 | 101 | 84 | 115 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | glassy | |
High Tide | 12:59PM0.70m | 00:31AM0.61m | 1:35PM0.72m | 00:59AM0.61m | 2:10PM0.73m | 1:29AM0.62m | ||||||||||||||||||
Low Tide | 7:33PM0.28m | 7:18AM0.10m | 8:12PM0.31m | 7:50AM0.08m | 8:49PM0.34m | 8:23AM0.07m | ||||||||||||||||||
 | |  |  | | |  |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — |
 | — | 5:27 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:25 | — | — | — | — | — | 5:25 |
— | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 18 | 20 | 19 | 17 | 17 | 16 | 16 | 16 | 17 |
18 | 19 | 18 | 18 | 16 | 17 | 16 | 15 | 18 | 18 | 17 | 17 | 15 | 15 | 16 | 19 | 20 | 19 | 17 | 17 | 16 | 16 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | SE 7 | ESE 7 | ESE 7 | ESE 7 | SSE 8 | SSE 9 | SSE 10 | SE 10 | SSE 10 | SSE 11 | SSE 11 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
 kJ | 36 | 31 | 32 | 33 | 51 | 61 | 204 | 400 | 587 | 622 | 610 | 510 | 286 | 281 | 218 | 214 | 192 | 125 | 137 | 128 | 101 | 84 | 115 | 64 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 10 | SSE 8 | SSE 8 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 26 | 18 | 13 | 26 | 27 | 26 | 26 | 24 | 1 | 1 | 1 | 83 | 68 | 74 | 72 | 56 | 38 | 38 | 41 | 41 | 38 | 38 | 27 | 19 |
Swell 3 Height (m) Direction Period (s) | E 7 | SE 12 | SSE 10 | E 7 | E 7 | SE 11 | E 7 | E 7 | — | — | — | — | — | — | SSE 10 | E 6 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 |
| kJ | 1 | 6 | 10 | 1 | 1 | 19 | 1 | 1 | — | — | — | — | — | — | 122 | 51 | 94 | 64 | 40 | 40 | 39 | 23 | 14 | 35 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | N 2 | N 3 | N 2 | — | NNE 3 | NNE 3 | N 3 | N 4 | N 3 | N 4 | — | — | — | SSW 2 | SSW 3 | SSW 3 | SSW 3 | S 4 |
| kJ | — | — | — | — | — | — | 1 | 2 | 1 | — | 5 | 5 | 8 | 9 | 6 | 4 | — | — | — | 1 | 3 | 3 | 3 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 71 | 27 | 27 | 9 | 6 | 0 | 0 | 6 | 20 | 27 | 9 | 6 | 6 | 0 | 0 | 0 | 13 | 13 | 10 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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