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Surf Forecasts:
Itamambuca surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 am Monday 18 May 2026 -03Forecast update in hr min s Forecast update imminent
Itamambuca surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Itamambuca sea temperature is
24.1° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Itamambuca today?
The current surf forecast for Itamambuca 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 Itamambuca. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Wed night. Warm (max 24°C on Mon morning, min 20°C on Wed 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 | glassy | 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 | ||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | |  | |  | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | 6:28 |
 | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | — | 5:22 |
— | — | — | — | 2 | 1 | 2 | 1 | — | — | — | — | — | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 2 | 2 | |
Temp °C | 22 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 |
25 | 27 | 27 | 27 | 27 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 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) | 4 | 4 | 4 | 34 | 4 | 4 | 4 | 4 | 0 | 0 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 0 | 0 | 7 | 7 | 7 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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