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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 Thursday 21 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
18.0° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 8AM is: 2.5m 14s primary swell from a South-southeast direction (forecast issued at 02:00am May 21). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 8ft (2.5m) | 13s |
| Afternoon (21 May) | 7ft (2.2m) | 13s |
| Evening (21 May) | 7.5ft (2.3m) | 15s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Very mild (max 16°C on Thu afternoon, min 12°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 16 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | |
2543 | 2817 | 2926 | 2373 | 1945 | 1605 | 2709 | 2548 | 2053 | 2025 | 1809 | 1576 | 1353 | 1155 | 1137 | 953 | 867 | 666 | 539 | 530 | 374 | 343 | 308 | 249 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | glassy | cross-on | cross-on | cross-on | cross | cross | glassy | glassy | glassy | cross | cross-on | on | cross-off | |
High Tide | 9:07PM0.59m | 2:06AM0.52m | 9:14AM0.13m | 3:32PM0.33m | 10:01PM0.56m | 2:52AM0.53m | 9:57AM0.16m | 4:15PM0.30m | 10:51PM0.53m | 3:41AM0.51m | 10:38AM0.20m | 5:04PM0.28m | ||||||||||||
Low Tide | 11:58PM0.45m | 6:37AM0.02m | 11:44AM0.04m | 6:02PM0.22m | 00:39AM0.46m | 7:23AM0.06m | 12:37PM0.06m | 6:46PM0.20m | 1:24AM0.45m | 8:08AM0.12m | 1:32PM0.09m | 7:29PM0.20m | ||||||||||||
 |  | |  |  | |  | | | | | | |  | | | | |  |  | | | | | |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | |
Temp °C | 12 | 12 | 11 | 12 | 14 | 16 | 14 | 13 | 12 | 12 | 12 | 13 | 15 | 16 | 15 | 15 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 |
8 | 8 | 7 | 8 | 10 | 12 | 10 | 11 | 10 | 10 | 10 | 12 | 13 | 14 | 13 | 13 | 15 | 15 | 16 | 15 | 16 | 16 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | SSE 16 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 |
 kJ | 2543 | 2817 | 2926 | 2373 | 1945 | 1605 | 2709 | 2548 | 2053 | 2025 | 1809 | 1576 | 1353 | 1155 | 1137 | 953 | 867 | 666 | 539 | 530 | 374 | 343 | 308 | 249 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSE 17 | SSE 17 | — | — | — | — | — | — | — | — | — | — | E 9 | E 5 | E 5 | E 10 | — | — | — |
| kJ | — | — | — | — | — | 381 | 749 | — | — | — | — | — | — | — | — | — | — | 2 | 10 | 18 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 3 | — | — | ENE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | E 6 |
| kJ | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 41 | 69 | 71 | 118 | 140 | 137 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 96 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 180 | 178 | 53 | 18 | 0 | 0 | 0 | 18 | 185 | 180 | 0 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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