Surf Forecasts:
How big are the waves at Praia Grande (Ubatuba) today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 11s period with S swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.8m), 11s period with S swell.
- Evening surf: Evening surf (18 Sep, local time) - 5.5ft (1.7m), 7s period with ESE swell.
The current surf forecast for Praia Grande (Ubatuba) at 3AM is: 0.8m 9s primary swell from a South direction and 0.5m 11s secondary swell from a South direction, 0.9m 5s secondary swell from a East direction (forecast issued at 08:00pm September 17). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 11s |
| Afternoon (18 Sep) | 2.5ft (0.8m) | 11s |
| Evening (18 Sep) | 5.5ft (1.7m) | 7s |
Table - waves today at Praia Grande (Ubatuba). (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 25°C on Sun afternoon, min 18°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | ||||||||||||||||
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) | S 10 | S 10 | S 10 | S 9 | S 11 | S 11 | S 11 | S 11 | ESE 7 | ESE 7 | ESE 7 | E 7 | ESE 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 254 | 194 | 148 | 106 | 86 | 195 | 188 | 146 | 220 | 255 | 254 | 302 | 198 | 240 | 198 | 232 | 346 | 426 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:52PM0.87m | 5:56AM0.78m | 11:42AM0.64m | 5:20PM0.78m | 7:09AM0.67m | 12:08PM0.74m | 6:04PM0.69m | |||||||||||
Low Tide | 11:56PM0.33m | 9:56AM0.63m | 1:09PM0.64m | 1:55AM0.41m | 8:38AM0.66m | 3:37PM0.65m | ||||||||||||
 | |  |  |  | | | | | | | | |  | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 19 | 19 | 18 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 21 | 21 | 21 |
Feels °C | 18 | 17 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 20 | 21 | 21 | 22 | 22 | 21 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 9 | ESE 5 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | ESE 7 | ESE 7 | ESE 7 | S 9 | S 9 | SSE 9 | S 9 |
| kJ | 254 | 194 | 148 | 106 | 36 | 195 | 188 | 146 | 135 | 100 | 98 | 225 | 198 | 168 | 64 | 44 | 28 | 26 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SSE 12 | S 11 | S 9 | ESE 6 | — | — | — | — | — | S 10 | S 10 | S 10 | S 15 | S 14 | S 13 | SSE 13 |
| kJ | 36 | 36 | 48 | 65 | 52 | 40 | — | — | — | — | — | 96 | 70 | 67 | 4 | 4 | 14 | 17 |
Swell 3 Height (m) Direction Period (s) | — | SSE 12 | ESE 10 | SE 10 | S 11 | SE 9 | — | — | — | — | — | — | — | S 15 | — | — | — | — |
| kJ | — | 50 | 36 | 23 | 86 | 20 | — | — | — | — | — | — | — | 4 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 5 | E 5 | E 5 | — | — | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | E 7 | — | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 |
| kJ | 22 | 28 | 37 | 40 | — | — | 82 | 136 | 220 | 255 | 254 | 302 | — | 240 | 198 | 232 | 346 | 426 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 25 | 23 | 1 | 1 | 0 | 0 | 2 | 2 | 43 | 43 | 23 | 1 | 1 | 23 | 43 | 43 | 23 | 23 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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