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Surf Forecasts:
Atlantida surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 am Wednesday 10 Dec 2025 -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
23.6° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 7AM is: 2.2m 9s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a South-southeast direction (forecast issued at 02:00am December 10). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 7ft (2.1m) | 9s |
| Afternoon (10 Dec) | 6.5ft (2.0m) | 9s |
| Evening (10 Dec) | 11ft (3.5m) | 10s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1055 | 938 | 790 | 721 | 690 | 655 | 629 | 2548 | 2432 | 2740 | 2788 | 2471 | 2103 | 1943 | 1663 | 1462 | 1165 | 952 | 857 | 799 | 674 | 610 | 513 | 458 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | off | cross- off | cross- off | glass | cross- on | cross | cross | glass |
High Tide / height (m) | 9:05PM 0.13 | 3:35AM 0.34 | 10:04AM 0.48 | 3:07PM 0.54 | 9:49PM 0.17 | 4:17AM 0.33 | 10:49AM 0.44 | 3:56PM 0.50 | 10:32PM 0.21 | 5:03AM 0.32 | 11:26AM 0.40 | 4:49PM 0.43 | ||||||||||||
Low Tide / height (m) | 11:41PM 0.04 | 6:15AM 0.22 | 12:19PM 0.42 | 7:37PM 0.11 | 12:30AM 0.08 | 7:02AM 0.21 | 1:03PM 0.39 | 8:19PM 0.16 | 1:20AM 0.12 | 7:47AM 0.23 | 1:55PM 0.34 | 8:57PM 0.21 | ||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| Sunrise | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:14 | - |
 |  |  | |  | |  |  | |  | | |  | | |  | | | | | |  | | | |
Rain (mm) | - | - | - | - | 1 | 1 | 11 | 5 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - |
| Temp. °C | 22 | 21 | 22 | 25 | 24 | 22 | 20 | 19 | 18 | 19 | 19 | 21 | 25 | 28 | 26 | 22 | 21 | 21 | 21 | 25 | 25 | 24 | 24 | 23 |
| Feels °C (?) | 26 | 21 | 22 | 24 | 22 | 18 | 13 | 14 | 13 | 13 | 13 | 15 | 20 | 25 | 24 | 23 | 22 | 21 | 21 | 26 | 25 | 25 | 25 | 25 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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