Surf Forecasts:
How big are the waves at Atlantida today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.4m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4ft (1.2m), 9s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 5.5ft (1.7m), 9s period with S swell.
The current surf forecast for Atlantida at 9AM is: 0.4m 7s primary swell from a East-northeast direction and 0.1m 11s secondary swell from a East direction (forecast issued at 02:00am August 21). An open ocean swell of 1.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.4m) | 7s |
| Afternoon (21 Aug) | 4ft (1.2m) | 9s |
| Evening (21 Aug) | 5.5ft (1.7m) | 9s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Very mild (max 14°C on Sun afternoon, min 8°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, light winds from the WSW by Sun night). | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SW 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 11 | SSE 11 | SSE 12 | SSE 12 | SSE 12 | S 12 | SSE 13 | SSE 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 68 | 49 | 37 | 20 | 338 | 215 | 359 | 471 | 586 | 533 | 497 | 450 | 470 | 450 | 520 | 562 | 535 | 582 | 807 | 861 | 944 | 1080 | 1592 | 2019 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:41PM0.21m | 5:36AM0.33m | 12:09PM0.43m | 4:22PM0.37m | 00:01AM0.22m | 12:39PM0.46m | 00:11AM0.25m | 1:07PM0.49m | ||||||||||||||||
Low Tide | 1:35AM0.19m | 8:08AM0.28m | 3:21PM0.37m | 9:21PM0.18m | 2:55AM0.18m | 9:40PM0.22m | 4:26AM0.14m | |||||||||||||||||
 | |  |  |  |  | | | |  |  | | | | | | | | | | | | | | |
 | — | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — |
 | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | — | 6:00 | — |
mm | — | — | 1 | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 13 | 13 | 13 | 13 | 12 | 11 | 10 | 10 | 8 | 8 | 11 | 13 | 12 | 10 | 10 | 9 | 8 | 9 | 13 | 14 | 11 | 11 |
Feels °C | 11 | 9 | 7 | 6 | 7 | 8 | 8 | 6 | 5 | 5 | 3 | 3 | 6 | 7 | 7 | 6 | 6 | 5 | 4 | 5 | 8 | 8 | 5 | 7 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 9 | S 9 | ENE 8 | ENE 8 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 11 | SSE 11 | SSE 12 | SSE 12 | SSE 12 | S 12 | SSE 13 | SSE 14 |
| kJ | 68 | 49 | 37 | 20 | 11 | 215 | 359 | 6 | 7 | 533 | 497 | 450 | 470 | 450 | 520 | 562 | 535 | 582 | 807 | 861 | 944 | 1080 | 1592 | 2019 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 7 | NW 5 | E 11 | E 11 | ENE 8 | ENE 8 | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 |
| kJ | 10 | 9 | 1 | 2 | 2 | 11 | 6 | — | — | 7 | 6 | 7 | 15 | 15 | 15 | 16 | 17 | 16 | 15 | 7 | 7 | 7 | 7 | 3 |
Swell 3 Height (m) Direction Period (s) | SE 5 | SE 5 | E 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | W 4 | WSW 4 | SW 5 | SW 8 | WSW 4 | W 4 | S 9 | S 9 | WSW 4 | WSW 4 | W 4 | W 3 | WSW 3 | — | W 4 | W 3 | W 3 | W 3 | W 3 | W 3 | — | — | — |
| kJ | 23 | 33 | 62 | 90 | 338 | 36 | 13 | 471 | 586 | 8 | 7 | 9 | 6 | 7 | — | 4 | 3 | 5 | 5 | 5 | 5 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 194 | 222 | 180 | 313 | 222 | 222 | 222 | 222 | 45 | 45 | 45 | 45 | 32 | 0 | 0 | 0 | 0 | 0 | 45 | 209 | 209 | 0 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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