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Surf Forecasts:
Guarita surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 pm Sunday 17 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
20.1° C
(Which is slightly cooler than normal)How big are the waves at Guarita today?
The current surf forecast for Guarita at 6PM is: 0.7m 10s primary swell from a South direction and 0.2m 5s secondary swell from a East direction, 0.5m 3s secondary swell from a South direction (forecast issued at 02:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | - | - |
| Afternoon (17 May) | 2.5ft (0.7m) | 10s |
| Evening (17 May) | 2ft (0.6m) | 10s |
Table - waves today at Guarita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 37mm), heaviest during Sun night. Very mild (max 18°C on Sun afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the SW on Mon morning, calm by Tue afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 10 | SSE 10 | S 10 | S 10 | S 10 | SSE 5 | SSE 5 | S 5 | S 6 | S 7 | S 7 | S 7 | S 13 | S 13 | SSE 17 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | S 12 | S 13 | |
131 | 102 | 94 | 68 | 48 | 53 | 62 | 90 | 130 | 210 | 355 | 250 | 488 | 683 | 1790 | 1943 | 1726 | 1419 | 1189 | 861 | 690 | 572 | 446 | 556 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | glassy | cross-off | off | off | cross-off | cross-off | |
High Tide | 1:13PM0.49m | 5:58PM0.55m | 00:22AM0.37m | 6:40AM0.15m | 1:46PM0.47m | 7:07PM0.58m | 00:54AM0.43m | 7:38AM0.12m | 2:21PM0.43m | 8:10PM0.60m | 1:32AM0.49m | 8:29AM0.12m | ||||||||||||
Low Tide | 3:09PM0.45m | 9:51PM0.27m | 4:19AM0.07m | 9:22AM0.03m | 3:55PM0.40m | 10:36PM0.35m | 5:09AM0.02m | 10:08AM0.02m | 4:39PM0.35m | 11:19PM0.42m | 5:56AM0.01m | |||||||||||||
 | |  |  | | |  |  | | | | | | |  |  | | |  | | | | | | |
 | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — |
 | — | 5:34 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | 5:31 |
— | — | 1 | 5 | 4 | 5 | 7 | 5 | 3 | 2 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 17 | 17 | 16 | 15 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 12 | 13 | 15 | 16 | 15 | 14 | 13 | 12 | 12 | 13 |
18 | 16 | 16 | 15 | 16 | 14 | 11 | 9 | 8 | 9 | 10 | 9 | 9 | 10 | 10 | 11 | 13 | 14 | 14 | 13 | 12 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | S 10 | S 10 | S 10 | SSE 5 | S 9 | SSE 14 | ESE 5 | ESE 6 | S 7 | S 7 | S 13 | S 13 | SSE 17 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | S 12 | S 13 |
 kJ | 131 | 102 | 94 | 68 | 48 | 53 | 43 | 36 | 17 | 20 | 184 | 159 | 488 | 683 | 1790 | 1943 | 1726 | 1419 | 1189 | 861 | 690 | 572 | 446 | 556 |
Swell 2 Height (m) Direction Period (s) | E 4 | E 4 | E 5 | E 5 | E 5 | S 10 | SSE 14 | — | S 9 | SSE 12 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 5 | E 7 | E 7 |
| kJ | 1 | 2 | 2 | 2 | 2 | 46 | 41 | — | 42 | 31 | 18 | 26 | 30 | 18 | 11 | 6 | 6 | 6 | 6 | 6 | 6 | 2 | 4 | 9 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | SE 16 | SSE 15 | SSE 15 | E 7 | — | SSE 13 | SE 16 | SSE 12 | SSE 15 | SSE 20 | SSE 19 | E 11 | — | — | — | E 7 | — | — | E 7 | E 5 | — |
| kJ | 1 | 1 | 1 | 10 | 23 | 21 | 1 | — | 34 | 10 | 29 | 44 | 76 | 207 | 2 | — | — | — | 4 | — | — | 4 | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | S 3 | SSE 4 | SSE 5 | — | SSE 5 | S 5 | S 6 | S 7 | S 7 | S 7 | SSW 8 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 5 | 19 | 37 | — | 62 | 90 | 130 | 210 | 355 | 250 | 218 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 142 | 84 | 142 | 142 | 152 | 21 | 171 | 142 | 142 | 183 | 183 | 21 | 0 | 0 | 0 | 0 | 39 | 71 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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