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Praia Grande (Ubatuba) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 am Monday 18 May 2026 -03Forecast update in hr min s Forecast update imminent
Praia Grande (Ubatuba) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia Grande (Ubatuba) sea temperature is
24.0° C
(Which is slightly warmer than usual)How big are the waves at Praia Grande (Ubatuba) today?
The current surf forecast for Praia Grande (Ubatuba) at 3PM is: 0.5m 10s primary swell from a South direction and 0.2m 16s secondary swell from a South-southeast direction, 0.3m 3s secondary swell from a South-southwest direction (forecast issued at 08:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2ft (0.6m) | 10s |
| Afternoon (18 May) | 1.5ft (0.5m) | 10s |
| Evening (18 May) | 1.5ft (0.5m) | 10s |
Table - waves today at Praia Grande (Ubatuba). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Wed night. Warm (max 24°C on Mon morning, min 20°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 14 | S 9 | SSW 9 | SSW 8 | S 8 | S 8 | S 8 | SSE 18 | SSE 16 | SSE 16 | SSE 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | |
100 | 73 | 69 | 49 | 48 | 47 | 41 | 43 | 245 | 402 | 393 | 393 | 368 | 540 | 823 | 1025 | 1602 | 1077 | 925 | 769 | 609 | 506 | 498 | 529 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | glassy | cross-on | cross-on | cross-on | |
High Tide | 3:52PM1.10m | 3:14AM0.93m | 4:34PM1.01m | 3:47AM0.92m | 5:19PM0.90m | |||||||||||||||||||
Low Tide | 9:54AM0.03m | 10:50PM0.44m | 10:41AM0.06m | 11:37PM0.54m | 11:33AM0.11m | 00:27AM0.61m | ||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | |  | |  | | | | | |
 | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | 6:28 |
 | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | — | 5:22 |
— | — | — | — | 2 | 1 | 2 | 1 | — | — | — | — | — | 1 | 1 | — | — | 1 | 1 | 1 | — | 1 | 2 | 2 | |
Temp °C | 22 | 24 | 24 | 24 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 21 | 20 | 21 | 21 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 20 |
24 | 27 | 26 | 27 | 26 | 25 | 23 | 23 | 21 | 21 | 22 | 22 | 21 | 20 | 22 | 23 | 21 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 5 | SSW 5 | SSW 5 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 16 | SSE 16 | SSE 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 |
 kJ | 100 | 73 | 69 | 49 | 48 | 12 | 13 | 8 | 147 | 230 | 223 | 253 | 217 | 201 | 823 | 1025 | 1602 | 1077 | 925 | 769 | 609 | 506 | 498 | 529 |
Swell 2 Height (m) Direction Period (s) | SE 4 | SE 5 | E 7 | SSE 16 | SSE 15 | S 10 | SSE 10 | S 9 | SSE 13 | SSE 13 | SSE 15 | SSE 15 | SSE 19 | SSE 18 | SSE 8 | SSE 8 | E 7 | SE 7 | SE 6 | SE 6 | SSE 6 | SE 6 | SE 6 | SE 6 |
| kJ | 1 | 1 | 4 | 25 | 22 | 47 | 31 | 43 | 35 | 34 | 45 | 72 | 199 | 540 | 147 | 120 | 4 | 55 | 42 | 38 | 49 | 43 | 35 | 26 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | SE 16 | E 7 | E 7 | SSE 15 | SSE 14 | SSE 14 | E 7 | SSE 16 | S 13 | SSE 20 | S 14 | E 7 | E 7 | — | E 7 | E 7 | E 7 | E 8 | — | E 8 | E 8 | E 8 |
| kJ | 1 | 1 | 10 | 4 | 4 | 42 | 41 | 37 | 4 | 25 | 28 | 75 | 103 | 1 | 1 | — | 4 | 4 | 4 | 5 | — | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | WSW 2 | SSE 5 | SSW 3 | SSW 4 | — | — | SW 5 | SSW 9 | SSW 8 | S 8 | S 8 | S 8 | — | — | — | — | — | SW 3 | SSE 6 | — | — | — | — |
| kJ | — | 1 | 2 | 2 | 6 | — | — | 17 | 245 | 402 | 393 | 393 | 368 | — | — | — | — | — | 6 | 45 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 3 | 0 | 5 | 5 | 5 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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