Surf Forecasts:
How big are the waves at Atlantida today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.3m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.3m), 8s period with ENE swell.
- Evening surf: Evening surf (18 Aug, local time) - 3.5ft (1.1m), 8s period with ENE swell.
The current surf forecast for Atlantida at 4PM is: 1.2m 8s primary swell from a East-northeast direction and 0.2m 9s secondary swell from a South direction (forecast issued at 08:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4.5ft (1.3m) | 8s |
| Afternoon (18 Aug) | 4.5ft (1.3m) | 8s |
| Evening (18 Aug) | 3.5ft (1.1m) | 8s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Thu afternoon. Warm (max 22°C on Tue morning, min 15°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the NE by Thu morning). | ||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 9 | ENE 8 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 275 | 227 | 227 | 221 | 190 | 176 | 151 | 151 | 127 | 127 | 101 | 76 | 116 | 116 | 104 | 123 | 100 | 167 | 172 | 159 | 139 | 181 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross | cross-on | glassy | glassy | cross | cross | glassy | glassy | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | glassy | cross-off |
High Tide | 3:16AM0.52m | 9:45AM0.27m | 3:26PM0.46m | 10:27PM0.21m | 3:59AM0.46m | 10:44AM0.33m | 3:55PM0.44m | 11:10PM0.20m | 4:44AM0.39m | 11:32AM0.38m | 4:19PM0.41m | |||||||||||
Low Tide | 7:14AM0.21m | 11:46AM0.24m | 7:34PM0.12m | 11:46PM0.20m | 7:40AM0.23m | 12:33PM0.31m | 8:16PM0.13m | 00:33AM0.19m | 8:01AM0.25m | 1:37PM0.35m | 8:52PM0.15m | |||||||||||
 |  |  | | |  |  | | |  | | | | | | | | | | | | | |
 | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — |
 | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | — | — | — | 1 | 2 | — | — | — | — | 5 | 2 |
Temp °C | 22 | 22 | 20 | 21 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 20 | 18 | 20 |
Feels °C | 24 | 23 | 21 | 22 | 22 | 20 | 17 | 18 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 15 | 13 | 17 | 20 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 7 | S 6 | S 9 | SSE 9 | S 8 | S 8 | S 8 | ENE 6 | ENE 7 | ENE 7 |
| kJ | 275 | 227 | 227 | 221 | 190 | 176 | 151 | 151 | 127 | 127 | 101 | 76 | 43 | 41 | 101 | 101 | 51 | 35 | 21 | 134 | 139 | 181 |
Swell 2 Height (m) Direction Period (s) | S 10 | SSE 8 | S 9 | S 9 | S 9 | S 8 | S 8 | S 7 | S 6 | S 6 | S 6 | S 7 | SSE 10 | S 9 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | S 8 | S 8 | S 8 |
| kJ | 8 | 7 | 6 | 6 | 1 | 1 | 1 | 1 | 7 | 21 | 30 | 43 | 18 | 28 | 7 | 7 | 6 | 6 | 6 | 21 | 20 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | SE 8 | SE 8 | E 8 | — | E 14 | S 8 | — | SE 12 | E 12 | S 10 | SE 13 | SE 13 | — | SE 13 | — | — | — | ENE 8 | SE 12 | SE 12 |
| kJ | — | — | 3 | 2 | 1 | — | 4 | 1 | — | 6 | 3 | 8 | 7 | 7 | — | 6 | — | — | — | 6 | 5 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 3 | — | S 6 | — | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | — | — |
| kJ | — | — | — | — | — | — | 1 | — | 21 | — | — | — | 116 | 116 | 104 | 123 | 100 | 167 | 172 | 159 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 18 | 45 | 45 | 0 | 0 | 18 | 34 | 0 | 0 | 0 | 0 | 190 | 53 | 53 | 178 | 208 | 208 | 208 | 230 | 0 | 0 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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