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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 pm Monday 15 Sep 2025 -03
How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 11PM is: 1.6m 14s primary swell from a Southeast direction and 1.4m 7s secondary swell from a East-northeast direction (forecast issued at 08:00pm September 15). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | - | - |
| Afternoon (15 Sep) | - | - |
| Evening (15 Sep) | 5ft (1.6m) | 14s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1230 | 1143 | 1081 | 971 | 870 | 984 | 1246 | 835 | 1144 | 1361 | 1986 | 1677 | 1529 | 875 | 881 | 931 | 957 | 896 | 795 | 713 | 682 | 693 | 676 | 668 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | glass | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on |
High Tide / height (m) | 12:12AM 0.22 | 6:18AM 0.23 | 12:50PM 0.59 | 12:43AM 0.24 | 1:34PM 0.58 | 1:07AM 0.26 | 2:15PM 0.55 | |||||||||||||||||
Low Tide / height (m) | 8:56PM 0.06 | 3:03AM 0.13 | 8:00AM 0.21 | 9:43PM 0.14 | 4:23AM 0.09 | 10:43PM 0.22 | 5:29AM 0.03 | |||||||||||||||||
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - |
| Sunset | 6:12 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - |
 |  |  |  |  |  | | | | | |  | |  | | |  | | | | | | | | |
Rain (mm) | 1 | 5 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 18 | 18 | 18 | 19 | 20 | 21 | 19 | 17 | 17 | 17 | 17 | 19 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 19 | 20 | 20 |
| Feels °C (?) | 18 | 17 | 19 | 19 | 18 | 19 | 19 | 19 | 18 | 16 | 18 | 18 | 17 | 18 | 18 | 16 | 15 | 15 | 13 | 14 | 15 | 17 | 17 | 17 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Rio Grande Do Sul
Calm condsitions have become offshore at Atlantida (moderate winds from the NW at Osvaldo Kroeff wx 82 km from Atlantida). 1.7m 13s groundswell from the SE with a 1.4m 7s swell from the ENE. 2 swells combining so expect closeout sets.
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