Surf Forecasts:
How big are the waves at Atlantida today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3ft (0.9m), 9s period with SSE swell.
- Evening surf: Evening surf (18 Sep, local time) - 5ft (1.5m), 6s period with ENE swell.
The current surf forecast for Atlantida at 5PM is: 0.7m 9s primary swell from a South-southeast direction and 0.1m 14s secondary swell from a South direction, 1.2m 5s secondary swell from a East-northeast direction (forecast issued at 02:00pm September 18). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 3ft (0.9m) | 9s |
| Evening (18 Sep) | 5ft (1.5m) | 6s |
Table - waves today at Atlantida. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 69mm), heaviest during Mon morning. Warm (max 21°C on Sun morning, min 16°C on Fri afternoon). Winds decreasing (fresh winds from the NE on Sat afternoon, calm by Mon morning). | ||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||
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) | SSE 9 | SSE 9 | ENE 5 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 121 | 121 | 86 | 143 | 265 | 247 | 198 | 210 | 330 | 587 | 723 | 711 | 670 | 982 | 887 | 838 | 703 | 618 | 556 | 692 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-off |
High Tide | 11:00AM0.42m | 3:40PM0.41m | 11:11PM0.19m | 5:09AM0.32m | 11:31AM0.45m | 3:47PM0.38m | 11:26PM0.23m | 12:00PM0.49m | ||||||||||||
Low Tide | 1:24PM0.38m | 8:18PM0.12m | 1:08AM0.17m | 7:30AM0.28m | 2:59PM0.38m | 8:40PM0.17m | 2:27AM0.16m | 8:51PM0.22m | ||||||||||||
 |  |  |  | | | | | | |  |  | |  | | |  | | |  | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 5 | 12 | 4 | — | 1 | 1 | — | — |
Temp °C | 17 | 17 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 19 | 21 | 21 | 20 | 20 |
Feels °C | 15 | 15 | 13 | 14 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 19 | 22 | 22 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 8 | SSE 8 | SSE 12 | SSE 11 | SSE 11 | SSE 12 | SSE 12 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 121 | 121 | 86 | 64 | 57 | 40 | 39 | 25 | 24 | 14 | 26 | 25 | 13 | 13 | 13 | 838 | 703 | 618 | 556 | 692 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | S 14 | SE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 8 | — | S 8 | — | — | SSE 12 | SSE 11 | S 10 | S 10 | S 10 |
| kJ | 8 | 18 | 4 | 7 | 17 | 16 | 16 | 16 | 15 | 14 | 7 | — | 1 | — | — | 13 | 11 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | S 14 | — | — | S 12 | S 13 | S 8 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | — | — | 11 | 29 | 12 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | — | — | — | — |
| kJ | 38 | 44 | 83 | 143 | 265 | 247 | 198 | 210 | 330 | 587 | 723 | 711 | 670 | 982 | 887 | 1462 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 208 | 271 | 208 | 208 | 208 | 208 | 221 | 221 | 221 | 208 | 745 | 744 | 723 | 461 | 461 | 32 | 32 | 66 | 208 | 0 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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