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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 Friday 17 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
23.4° C
(Which is slightly warmer than usual)How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 5PM is: 0.7m 10s primary swell from a South-southeast direction and 1.0m 7s secondary swell from a East direction, 0.6m 10s secondary swell from a South-southeast direction (forecast issued at 08:00am April 17). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 4ft (1.2m) | 7s |
| Afternoon (17 Apr) | 3.5ft (1.0m) | 7s |
| Evening (17 Apr) | 3ft (0.9m) | 7s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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) (?) | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 10 | 10 | 10 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 221 | 155 | 124 | 97 | 77 | 76 | 58 | 48 | 47 | 45 | 43 | 44 | 76 | 101 | 137 | 170 | 211 | 239 | 201 | 159 | 157 | 119 | 105 | 100 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross | cross- on | cross- on | glass | cross | cross |
High Tide / height (m) | 4:29AM 0.36 | 12:38PM 0.49 | 12:42AM 0.33 | 5:49AM 0.27 | 1:10PM 0.51 | 5:59PM 0.43 | 12:56AM 0.35 | 7:02AM 0.19 | 1:46PM 0.50 | 7:17PM 0.47 | 1:19AM 0.39 | |||||||||||||
Low Tide / height (m) | 8:20AM 0.15 | 9:01PM 0.08 | 3:39AM 0.22 | 8:56AM 0.13 | 4:07PM 0.39 | 9:50PM 0.17 | 4:32AM 0.11 | 9:34AM 0.11 | 4:37PM 0.37 | 10:40PM 0.27 | ||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:59 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:57 | - | - | - | - |
 |  |  | | | | |  |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 23 | 26 | 27 | 25 | 23 | 21 | 20 | 20 | 21 | 25 | 27 | 24 | 21 | 20 | 19 | 19 | 21 | 25 | 24 | 21 | 20 | 19 | 18 |
| Feels °C (?) | 24 | 25 | 26 | 26 | 24 | 23 | 20 | 19 | 19 | 19 | 22 | 24 | 23 | 20 | 19 | 18 | 18 | 21 | 24 | 23 | 21 | 22 | 20 | 19 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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