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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 18 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
18.5° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Atlantida today?
The current surf forecast for Atlantida at 5AM is: 1.8m 17s primary swell from a South-southeast direction and 0.7m 18s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 18). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 6ft (1.9m) | 15s |
| Afternoon (19 May) | 5.5ft (1.7m) | 14s |
| Evening (19 May) | 5ft (1.5m) | 13s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Tue afternoon, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | |||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
S 8 | S 8 | S 11 | SSE 13 | SSE 17 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 14 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | |
190 | 200 | 326 | 735 | 1842 | 1674 | 1525 | 1095 | 874 | 713 | 554 | 519 | 519 | 628 | 943 | 1224 | 1749 | 2523 | 2696 | 2449 | 2318 | 2190 | 1654 | 1605 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:06PM0.58m | 00:46AM0.42m | 7:37AM0.12m | 2:15PM0.41m | 8:09PM0.59m | 1:23AM0.48m | 8:28AM0.11m | 2:52PM0.37m | 9:07PM0.59m | 2:06AM0.52m | 9:14AM0.13m | |||||||||||||
Low Tide | 3:47PM0.38m | 10:36PM0.35m | 5:02AM0.01m | 10:05AM0.03m | 4:32PM0.33m | 11:17PM0.41m | 5:50AM-0.00m | 10:53AM0.03m | 5:17PM0.27m | 11:58PM0.45m | 6:37AM0.02m | 11:44AM0.04m | ||||||||||||
 |  | | | |  | | | | | | | | | | | | | | | |  |  | | |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — |
 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 12 | 11 | 11 | 11 | 15 | 18 | 16 | 14 | 13 | 12 | 10 | 11 | 15 | 17 | 15 | 13 | 13 | 13 | 12 | 12 | 13 | 14 |
12 | 11 | 10 | 8 | 9 | 9 | 12 | 14 | 12 | 11 | 10 | 8 | 5 | 7 | 9 | 11 | 11 | 9 | 9 | 10 | 8 | 8 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 11 | SSE 13 | SSE 17 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 14 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 |
 kJ | 190 | 200 | 326 | 735 | 1842 | 1674 | 1525 | 1095 | 874 | 713 | 554 | 519 | 519 | 628 | 943 | 1224 | 1749 | 2523 | 2696 | 2449 | 2318 | 2190 | 1654 | 1605 |
Swell 2 Height (m) Direction Period (s) | SSE 15 | SSE 15 | SSE 13 | SSE 18 | E 5 | E 5 | — | — | — | — | — | E 7 | E 7 | E 7 | E 7 | N 5 | — | — | — | — | — | — | — | — |
| kJ | 22 | 44 | 101 | 295 | 2 | 2 | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SE 21 | SE 19 | SSE 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 17 | 96 | 528 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | — | — | — | — | — | — | WSW 3 | — | WSW 3 | W 3 | W 3 | W 3 | W 4 | W 4 | W 4 | WSW 4 | — | — | — | WSW 3 | W 3 | WSW 3 | — |
| kJ | 2 | — | — | — | — | — | — | 1 | — | 1 | 2 | 4 | 7 | 12 | 13 | 13 | 11 | — | — | — | 3 | 5 | 3 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 0 | 0 | 0 | 0 | 18 | 18 | 39 | 45 | 193 | 0 | 0 | 0 | 39 | 18 | 32 | 32 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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