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Surf Forecasts:
Guarita surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 pm Monday 18 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
19.2° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Guarita today?
The current surf forecast for Guarita at 10PM is: 1.4m 8s primary swell from a South direction and 1.2m 8s secondary swell from a South direction, 0.3m 6s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 4ft (1.2m) | 7s |
| Evening (18 May) | 5ft (1.5m) | 8s |
Table - waves today at Guarita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Very mild (max 19°C on Wed afternoon, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 7 | S 7 | S 8 | S 8 | SSE 13 | SSE 13 | SSE 17 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | |
158 | 146 | 152 | 287 | 599 | 711 | 1843 | 1762 | 1581 | 1277 | 1095 | 861 | 690 | 563 | 547 | 643 | 787 | 1154 | 2545 | 3789 | 2746 | 2627 | 2558 | 2454 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | glassy | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 1:46PM0.47m | 7:07PM0.58m | 00:54AM0.43m | 7:38AM0.12m | 2:21PM0.43m | 8:10PM0.60m | 1:32AM0.49m | 8:29AM0.12m | 2:58PM0.39m | 9:09PM0.60m | 2:14AM0.53m | |||||||||||||
Low Tide | 9:22AM0.03m | 3:55PM0.40m | 10:36PM0.35m | 5:09AM0.02m | 10:08AM0.02m | 4:39PM0.35m | 11:19PM0.42m | 5:56AM0.01m | 10:57AM0.02m | 5:23PM0.29m | 00:00AM0.46m | 6:42AM0.03m | ||||||||||||
 | |  |  | | | |  | | | | | | | | | | | | | | | |  | |
 | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — |
 | — | 5:32 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | 5:31 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 14 | 13 | 12 | 11 | 11 | 12 | 15 | 16 | 15 | 13 | 12 | 12 | 11 | 12 | 17 | 19 | 16 | 13 | 12 | 12 | 13 | 13 |
10 | 11 | 10 | 10 | 9 | 8 | 8 | 10 | 13 | 14 | 14 | 11 | 10 | 10 | 8 | 9 | 13 | 14 | 10 | 8 | 8 | 8 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 8 | S 8 | SSE 13 | SSE 13 | SSE 17 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | S 13 | S 13 | S 13 | S 14 | S 15 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 |
 kJ | 158 | 146 | 152 | 187 | 599 | 711 | 1843 | 1762 | 1581 | 1277 | 1095 | 861 | 690 | 563 | 547 | 643 | 787 | 1033 | 1392 | 2310 | 2746 | 2627 | 2558 | 2454 |
Swell 2 Height (m) Direction Period (s) | SSE 13 | SE 5 | ESE 5 | ESE 6 | SSE 20 | SSE 19 | SE 11 | ESE 5 | ESE 5 | ESE 5 | — | — | — | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | — | — | — | — | — |
| kJ | 34 | 7 | 11 | 6 | 76 | 207 | 4 | 5 | 5 | 5 | — | — | — | 4 | 1 | 4 | 4 | 4 | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 16 | SSE 12 | SSE 12 | SSE 15 | SSE 20 | ESE 5 | — | — | — | — | — | — | — | — | E 8 | — | — | NE 7 | — | — | — | — | — | — |
| kJ | 10 | 30 | 29 | 44 | 77 | 6 | — | — | — | — | — | — | — | — | 1 | — | — | 2 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 8 | S 8 | S 8 | — | — | — | — | — | — | — | — | — | — | WSW 4 | WSW 5 | S 13 | S 14 | S 16 | — | — | — | — |
| kJ | 317 | 188 | 251 | 287 | 212 | — | — | — | — | — | — | — | — | — | — | 11 | 37 | 1154 | 2545 | 3789 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 71 | 21 | 71 | 21 | 0 | 0 | 0 | 0 | 39 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 152 | 142 | 21 | 0 | 0 | 0 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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