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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 8 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 4PM is: 1.0m 10s primary swell from a South direction and 0.8m 10s secondary swell from a South-southeast direction, 0.2m 4s secondary swell from a East direction (forecast issued at 08:00am May 17). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2.5ft (0.8m) | 10s |
| Afternoon (17 May) | 3.5ft (1.0m) | 10s |
| Evening (17 May) | 2ft (0.6m) | 10s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 30mm), heaviest during Sun night. Very mild (max 18°C on Sun morning, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 10 | SSE 10 | SSE 10 | S 10 | SSE 10 | S 10 | S 10 | S 9 | S 5 | S 6 | S 7 | S 7 | S 7 | SSE 7 | S 13 | SSE 13 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | |
136 | 133 | 131 | 188 | 125 | 68 | 51 | 44 | 129 | 225 | 239 | 378 | 321 | 161 | 582 | 735 | 1735 | 1735 | 1505 | 1267 | 986 | 724 | 572 | 461 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | 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 | cross-off | off | off | off | |
High Tide | 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 | 1:23AM0.48m | ||||||||||||
Low Tide | 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 | 11:17PM0.41m | ||||||||||||
 |  |  | |  | | | |  |  | | | | |  | | |  | | | | | | | |
 | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | 7:00 |
 | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:32 | — | — | — | 5:31 |
— | — | — | — | 1 | 3 | 3 | 4 | 7 | 3 | 3 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 18 | 18 | 17 | 17 | 15 | 15 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 17 | 16 | 13 | 13 | 12 |
16 | 17 | 17 | 17 | 16 | 15 | 13 | 13 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 12 | 14 | 14 | 11 | 11 | 9 | |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | E 4 | S 10 | S 10 | ESE 5 | SSE 14 | SSE 13 | ESE 5 | S 7 | SSE 7 | SSE 7 | S 13 | SSE 13 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 |
 kJ | 136 | 133 | 131 | 128 | 2 | 68 | 47 | 24 | 37 | 34 | 9 | 220 | 191 | 161 | 582 | 735 | 1735 | 1735 | 1505 | 1267 | 986 | 724 | 572 | 461 |
Swell 2 Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 4 | SE 16 | E 5 | SSE 15 | S 9 | SE 11 | SSE 13 | SSE 12 | SSE 12 | SSE 15 | SSE 15 | ESE 6 | SSE 18 | — | — | — | — | E 7 | E 7 | E 7 | E 7 |
| kJ | 3 | 3 | 3 | 1 | 10 | 2 | 22 | 44 | 5 | 58 | 30 | 15 | 23 | 44 | 11 | 292 | — | — | — | — | 3 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | SE 16 | E 7 | SSE 15 | — | — | SE 16 | SSE 16 | S 14 | SE 21 | SE 19 | SE 11 | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 10 | 1 | 21 | — | — | 10 | 24 | 4 | 17 | 96 | 5 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 10 | SSE 10 | SSE 5 | SSE 5 | S 5 | S 5 | S 6 | S 7 | S 7 | S 7 | WSW 3 | — | WSW 3 | WSW 3 | WSW 3 | W 3 | — | — | — | — | W 2 |
| kJ | — | — | — | 188 | 125 | 25 | 51 | 37 | 129 | 225 | 239 | 378 | 321 | 2 | — | 1 | 3 | 3 | 6 | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 180 | 180 | 18 | 209 | 222 | 222 | 222 | 222 | 32 | 32 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 0 | 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)
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Ocean Swells (m)- Wind Speed (km/h)
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