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Surf Forecasts:
Guarita surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 pm Friday 15 May 2026 -03Forecast update in hr min s Forecast update imminent
Guarita surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Guarita sea temperature is
20.6° C
(Which is normal for this time of year)How big are the waves at Guarita today?
The current surf forecast for Guarita at 5PM is: 1.1m 10s primary swell from a South direction and 0.2m 8s secondary swell from a East direction (forecast issued at 02:00pm May 15). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | - | - |
| Afternoon (15 May) | 3.5ft (1.1m) | 10s |
| Evening (15 May) | 3.5ft (1.1m) | 11s |
Table - waves today at Guarita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Sun night. Warm (max 20°C on Sat morning, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 10 | S 10 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | |
265 | 250 | 255 | 275 | 275 | 270 | 225 | 225 | 236 | 236 | 240 | 187 | 184 | 180 | 139 | 136 | 131 | 102 | 196 | 270 | 371 | 176 | 125 | 78 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | glassy | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-off | cross-off | glassy | glassy | cross-off | cross | cross | cross | cross-on | cross-on | cross | cross-off | off | |
High Tide | 3:05PM0.49m | 11:50PM0.29m | 4:18AM0.28m | 12:47PM0.49m | 4:39PM0.52m | 11:59PM0.32m | 5:34AM0.20m | 1:13PM0.49m | 5:58PM0.55m | 00:22AM0.37m | 6:40AM0.15m | |||||||||||||
Low Tide | 8:10PM0.11m | 2:13AM0.25m | 7:58AM0.10m | 2:19PM0.48m | 9:02PM0.18m | 3:25AM0.16m | 8:39AM0.06m | 3:09PM0.45m | 9:51PM0.27m | 4:19AM0.07m | ||||||||||||||
 | |  | |  | | |  | | | | | | | | | | | |  |  | | |  | |
 | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — |
 | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | 5:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 4 | 2 | 2 | |
Temp °C | 16 | 17 | 16 | 16 | 15 | 15 | 15 | 17 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 20 | 19 | 18 | 17 | 17 | 16 | 16 |
15 | 16 | 15 | 15 | 14 | 14 | 14 | 16 | 19 | 19 | 19 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 17 | 15 | 15 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | E 6 | SSE 10 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
 kJ | 265 | 250 | 255 | 275 | 275 | 270 | 225 | 225 | 236 | 236 | 240 | 187 | 184 | 180 | 139 | 136 | 131 | 102 | 15 | 33 | 261 | 176 | 125 | 78 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 4 | E 5 | E 5 | E 4 | E 4 | E 4 | E 6 | S 17 | E 6 | E 6 | SSE 10 | S 9 | S 9 |
| kJ | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 1 | 1 | 1 | 1 | 3 | 7 | 7 | 4 | 3 | 3 | 9 | 5 | 10 | 10 | 31 | 44 | 42 |
Swell 3 Height (m) Direction Period (s) | SE 14 | SE 14 | SE 14 | SE 13 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | E 13 | E 13 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | SE 12 | SE 12 | SE 16 | SSE 10 | E 6 | E 6 | S 6 |
| kJ | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 6 | 10 | 20 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 3 | — | — | — | E 4 | ENE 5 | — | — | — | — | — | — | S 10 | S 7 | S 7 | — | SSW 9 | SSW 9 |
| kJ | — | — | — | — | — | — | 2 | — | — | — | 3 | 7 | — | — | — | — | — | — | 196 | 270 | 371 | — | 211 | 169 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 21 | 21 | 142 | 142 | 165 | 14 | 0 | 0 | 0 | 0 | 170 | 170 | 170 | 0 | 0 | 0 | 0 | 21 | 84 | 71 | 21 | 142 | 142 | 142 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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