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Atlantida Surf Forecast
/ Rio Grande Do Sul (19 surf breaks) /
Surf Forecasts:
Atlantida surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 am Sunday 17 May 2026 -03Forecast update in hr min s Forecast update imminent
Atlantida surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Atlantida sea temperature is
20.2° C
(Which is normal for this time of year)How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 7AM is: 0.8m 10s primary swell from a South-southeast direction and 0.3m 4s secondary swell from a East direction (forecast issued at 02:00am May 17). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2.5ft (0.8m) | 10s |
| Afternoon (17 May) | 2.5ft (0.7m) | 10s |
| Evening (17 May) | 4ft (1.2m) | 5s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 33mm), heaviest during Sun night. Very mild (max 19°C on Sun morning, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 5 | SSE 6 | S 6 | S 5 | S 7 | S 7 | S 8 | SSE 7 | SSE 7 | SSE 13 | SSE 13 | SSE 17 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | |
191 | 177 | 136 | 133 | 102 | 100 | 166 | 72 | 97 | 50 | 97 | 266 | 310 | 442 | 178 | 145 | 623 | 711 | 2015 | 1907 | 1559 | 1360 | 1034 | 823 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-off | cross-off | cross-off | 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-off | cross-off | cross-off | off | |
High Tide | 11:50PM0.30m | 5:36AM0.20m | 1:07PM0.46m | 5:58PM0.55m | 00:14AM0.35m | 6:40AM0.14m | 1:40PM0.44m | 7:06PM0.58m | 00:46AM0.42m | 7:37AM0.12m | 2:15PM0.41m | 8:09PM0.59m | ||||||||||||
Low Tide | 9:02PM0.18m | 3:14AM0.14m | 8:37AM0.07m | 2:59PM0.43m | 9:51PM0.27m | 4:11AM0.06m | 9:19AM0.04m | 3:47PM0.38m | 10:36PM0.35m | 5:02AM0.01m | 10:05AM0.03m | 4:32PM0.33m | ||||||||||||
 | | |  | |  |  | | | |  | | | | | | |  | |  | | | | | |
 | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — |
 | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:32 | — | — |
— | — | — | — | — | 1 | 1 | 3 | 4 | 3 | 6 | 4 | 3 | 2 | 1 | 3 | 2 | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 17 | 17 | 19 | 19 | 18 | 17 | 16 | 15 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 17 | 16 | 13 |
18 | 18 | 17 | 17 | 19 | 18 | 17 | 15 | 15 | 13 | 9 | 8 | 8 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 12 | 14 | 14 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 16 | SE 16 | S 10 | ESE 5 | ESE 5 | ESE 5 | E 5 | S 7 | SSE 7 | SSE 7 | SSE 13 | SSE 13 | SSE 17 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 |
 kJ | 191 | 177 | 136 | 133 | 102 | 100 | 10 | 10 | 47 | 31 | 22 | 15 | 15 | 285 | 178 | 145 | 623 | 711 | 2015 | 1907 | 1559 | 1360 | 1034 | 823 |
Swell 2 Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | E 7 | E 7 | SSE 15 | S 9 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 16 | SSE 14 | SE 19 | SE 18 | — | — | — | — | — | E 7 |
| kJ | 1 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 22 | 44 | 18 | 34 | 32 | 15 | 24 | 41 | 96 | 334 | — | — | — | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | SE 12 | SE 12 | SE 12 | SSE 15 | SE 11 | — | SE 16 | SE 16 | — | SE 21 | E 11 | ESE 6 | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 6 | 6 | 21 | 5 | — | 10 | 10 | — | 17 | 2 | 10 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 4 | — | — | — | WSW 2 | SW 2 | SSE 10 | SSE 5 | SSE 6 | S 6 | S 5 | S 7 | S 7 | S 8 | WSW 3 | WSW 3 | WSW 3 | WSW 3 | WSW 3 | WSW 3 | WSW 3 | — | — | — |
| kJ | 3 | — | — | — | 1 | 1 | 166 | 72 | 97 | 50 | 97 | 266 | 310 | 442 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 180 | 180 | 180 | 179 | 222 | 209 | 222 | 257 | 45 | 45 | 32 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 0 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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