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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 Thursday 21 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
18.0° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 2AM is: 2.2m 14s primary swell from a South-southeast direction (forecast issued at 08:00pm May 21). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 6.5ft (2.0m) | 14s |
| Afternoon (22 May) | 6ft (1.8m) | 13s |
| Evening (22 May) | 5.5ft (1.7m) | 13s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Sat afternoon. Very mild (max 18°C on Sun morning, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | |
2709 | 2548 | 2228 | 2025 | 1750 | 1576 | 1353 | 1155 | 1137 | 995 | 928 | 759 | 644 | 560 | 521 | 422 | 325 | 297 | 245 | 245 | 245 | 187 | 167 | 131 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | off | off | off | glassy | cross-on | cross-on | cross-on | cross | cross | glassy | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | on | |
High Tide | 3:32PM0.33m | 10:01PM0.56m | 2:52AM0.53m | 9:57AM0.16m | 4:15PM0.30m | 10:51PM0.53m | 3:41AM0.51m | 10:38AM0.20m | 5:04PM0.28m | 11:35PM0.48m | 4:37AM0.46m | 11:18AM0.24m | ||||||||||||
Low Tide | 6:02PM0.22m | 00:39AM0.46m | 7:23AM0.06m | 12:37PM0.06m | 6:46PM0.20m | 1:24AM0.45m | 8:08AM0.12m | 1:32PM0.09m | 7:29PM0.20m | 2:14AM0.40m | 8:53AM0.18m | 2:30PM0.12m | ||||||||||||
 | | |  | |  | |  |  | | | |  |  | |  | |  | | | | |  | | |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — |
 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 |
— | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 4 | 6 | 3 | 1 | 2 | 1 | — | — | — | — | |
Temp °C | 14 | 12 | 12 | 12 | 12 | 13 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 18 | 18 |
10 | 9 | 10 | 10 | 11 | 12 | 13 | 12 | 13 | 13 | 13 | 15 | 14 | 14 | 14 | 13 | 14 | 14 | 15 | 16 | 17 | 18 | 18 | 17 | |
Swell 1 Height (m) Direction Period (s) | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | E 7 |
 kJ | 2709 | 2548 | 2228 | 2025 | 1750 | 1576 | 1353 | 1155 | 1137 | 995 | 928 | 759 | 644 | 560 | 521 | 422 | 325 | 297 | 245 | 245 | 245 | 187 | 167 | 70 |
Swell 2 Height (m) Direction Period (s) | SSE 17 | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | E 9 | E 9 | — | — | — | — | — | E 6 | ENE 6 | E 6 | SSE 10 |
| kJ | 749 | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | — | — | — | — | — | 54 | 53 | 68 | 131 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 5 | — | SE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | — | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | E 4 | — | — | E 4 | ENE 5 | E 5 | E 6 | E 6 | E 6 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | 14 | 25 | 65 | 72 | 62 | 52 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 32 | 0 | 0 | 0 | 0 | 0 | 180 | 180 | 190 | 18 | 39 | 0 | 0 | 0 | 194 | 184 | 178 | 178 | 178 | 18 | 0 | 0 | 18 | 180 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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