- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 Monday 20 Apr 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
23.3° C
(Which is slightly warmer than usual)How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 3PM is: 0.9m 11s primary swell from a East-southeast direction and 0.5m 7s secondary swell from a South direction, 0.5m 3s secondary swell from a East-northeast direction (forecast issued at 08:00am April 20). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 2.5ft (0.7m) | 10s |
| Afternoon (20 Apr) | 3ft (0.9m) | 11s |
| Evening (20 Apr) | 3.5ft (1.0m) | 10s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 94 | 97 | 149 | 204 | 224 | 216 | 208 | 204 | 170 | 170 | 145 | 145 | 142 | 142 | 115 | 115 | 98 | 74 | 70 | 68 | 53 | 53 | 52 | 49 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross | cross |
High Tide / height (m) | 8:07AM 0.15 | 2:23PM 0.48 | 8:24PM 0.52 | 1:47AM 0.44 | 9:04AM 0.14 | 3:03PM 0.43 | 9:26PM 0.56 | 2:19AM 0.48 | 9:53AM 0.14 | 3:44PM 0.37 | 10:22PM 0.58 | 2:54AM 0.49 | ||||||||||||
Low Tide / height (m) | 5:19AM 0.03 | 10:15AM 0.09 | 5:11PM 0.32 | 11:30PM 0.36 | 6:05AM -0.02 | 11:03AM 0.09 | 5:47PM 0.28 | 12:21AM 0.43 | 6:49AM -0.02 | 11:57AM 0.09 | 6:24PM 0.23 | 1:16AM 0.47 | ||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:53 | - | - | - | - |
 |  | | | | |  | |  |  | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 20 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 21 | 21 | 22 | 21 | 21 | 21 | 20 | 21 | 23 | 23 | 22 | 22 | 22 | 22 |
| Feels °C (?) | 18 | 19 | 20 | 20 | 20 | 19 | 19 | 17 | 17 | 18 | 20 | 20 | 22 | 21 | 21 | 22 | 20 | 21 | 24 | 23 | 23 | 23 | 23 | 24 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Atlantida surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest