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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 Wednesday 20 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
18.9° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 4PM is: 1.8m 14s primary swell from a South-southeast direction (forecast issued at 08:00am May 20). An open ocean swell of 0.1m 4s is not directed at the surf break, a second open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 4.5ft (1.4m) | 13s |
| Afternoon (20 May) | 5.5ft (1.7m) | 14s |
| Evening (20 May) | 7ft (2.1m) | 16s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Wed afternoon, min 11°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 12 | SSE 13 | SSE 13 | SSE 14 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | 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 | |
519 | 638 | 836 | 1095 | 1602 | 2134 | 2511 | 2612 | 2665 | 2267 | 1821 | 1490 | 2490 | 2450 | 2053 | 2025 | 1809 | 1576 | 1353 | 1155 | 1188 | 1044 | 928 | 703 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | off | off | off | glassy | cross-on | cross-on | cross-on | cross | cross | glassy | |
High Tide | 8:28AM0.11m | 2:52PM0.37m | 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 | |||||||||||||
Low Tide | 5:50AM-0.00m | 10:53AM0.03m | 5:17PM0.27m | 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 | ||||||||||||
 |  | | | | |  |  | |  | | | | | | | | | | | | | | | |
 | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | 7:01 |
 | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | 5:30 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 15 | 17 | 15 | 13 | 12 | 12 | 12 | 12 | 13 | 16 | 15 | 13 | 13 | 13 | 12 | 13 | 15 | 16 | 15 | 15 | 15 | 14 |
6 | 6 | 9 | 11 | 10 | 9 | 8 | 8 | 9 | 9 | 9 | 12 | 12 | 11 | 12 | 12 | 11 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 13 | SSE 13 | SSE 14 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | 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 |
 kJ | 519 | 638 | 836 | 1095 | 1602 | 2134 | 2511 | 2612 | 2665 | 2267 | 1821 | 1490 | 2490 | 2450 | 2053 | 2025 | 1809 | 1576 | 1353 | 1155 | 1188 | 1044 | 928 | 703 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | — | NW 4 | — | — | — | — | — | — | — | SSE 17 | SSE 17 | — | — | — | — | — | — | — | — | — | — | E 9 |
| kJ | 1 | 1 | — | 1 | — | — | — | — | — | — | — | 381 | 740 | — | — | — | — | — | — | — | — | — | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 3 | W 3 | W 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | E 4 | — | ENE 4 | — |
| kJ | 7 | 11 | 12 | 13 | 10 | 7 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | — | 13 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 180 | 45 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 34 | 0 | 0 | 0 | 0 | 0 | 84 | 208 | 178 | 18 | 18 | 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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