Surf Forecasts:
Ilha Comprida surf forecast from 11 Sep 2026:
- Best quality surf: Monday 14 Sep, 9PM (local time) - 4ft (1.2m), 8s period, SE swell with cross-offshore winds.
- Most powerful swell: Monday 14 Sep, 3PM (local time) - 6ft (1.9m), 8s period, SE swell with 413 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 9PM (local time) - 4ft (1.2m), 8s period with SE swell.
Best Forecast Surf Conditions for Ilha Comprida this week:
The surf forecast for Ilha Comprida over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 14) at 9PM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.3m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ilha Comprida in the next 16 days are 1.9m 8s and forecast to arrive on Monday (Sep 14) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 14th Sep) | 4ft (1.2m) 8s |
| Best Surf | 9PM (Mon 14th Sep) | 4ft (1.2m) 8s |
| Most Powerful | 3PM (Mon 14th Sep) | 6ft (1.9m) 8s |
Table - best surf conditions forecast for Ilha Comprida over the next 16 days.
Short Range ForecastHeavy rain (total 126mm), heaviest during Fri night. Warm (max 28°C on Fri afternoon, min 16°C on Sat night). Mainly fresh winds. | Days 5-7 Weather SummaryModerate rain (total 10mm), heaviest on Mon afternoon. Very mild (max 19°C on Tue afternoon, min 17°C on Mon afternoon). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | E 8 | S 12 | ESE 8 | S 5 | SSE 7 | SSE 8 | SE 7 | SSE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 10 | S 10 | SE 9 | SE 9 | ESE 9 | ESE 9 | SSE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 57 | 24 | 11 | 22 | 86 | 183 | 107 | 50 | 200 | 413 | 238 | 176 | 203 | 279 | 196 | 123 | 64 | 147 | 68 | 25 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross-off | cross | cross-on | glassy | cross-on | cross-on | on | on | on | cross-on |
High Tide | 2:51AM1.54m | 3:19PM1.38m | 3:23AM1.52m | 3:43PM1.33m | 3:55AM1.45m | 4:05PM1.26m | 4:28AM1.34m | 4:26PM1.19m | 5:02AM1.21m | 4:46PM1.10m | 5:44AM1.07m | 5:06PM0.99m | ||||||||
Low Tide | 8:30PM0.30m | 8:51AM0.07m | 8:41PM0.23m | 9:05AM0.14m | 9:00PM0.17m | 9:22AM0.23m | 9:23PM0.15m | 9:42AM0.32m | 9:49PM0.17m | 10:03AM0.43m | 10:17PM0.24m | 10:24AM0.55m | 10:46PM0.35m | |||||||
 |  |  |  |  |  | | | | |  |  | |  |  | | | | |  | |
 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — |
 | 6:01 | — | — | 6:01 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — |
mm | — | 39 | 1 | 10 | 19 | 12 | 11 | 26 | 8 | 5 | 2 | — | — | — | 2 | — | 1 | — | — | — |
Temp °C | 28 | 24 | 21 | 18 | 17 | 17 | 17 | 18 | 17 | 17 | 17 | 18 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 |
Feels °C | 30 | 25 | 22 | 17 | 14 | 17 | 16 | 17 | 14 | 14 | 16 | 18 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 4 | ESE 5 | ESE 8 | ESE 8 | SSE 8 | E 8 | SSE 8 | SSE 12 | SE 8 | SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 9 | SE 9 | ESE 9 | SSE 6 | SSE 9 |
| kJ | 19 | 4 | 5 | 11 | 12 | 183 | 18 | 50 | 31 | 413 | 238 | 176 | 203 | 279 | 166 | 123 | 64 | 68 | 13 | 25 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | ESE 8 | ESE 8 | SSE 11 | E 12 | — | S 16 | S 14 | — | SSE 12 | SSE 11 | S 11 | S 10 | S 11 | SSE 13 | SSE 12 | SSE 10 | S 6 | SSE 12 | SE 8 |
| kJ | 29 | 6 | 11 | 11 | 3 | — | 5 | 4 | — | 48 | 12 | 82 | 30 | 59 | 31 | 56 | 20 | 21 | 28 | 18 |
Swell 3 Height (m) Direction Period (s) | E 13 | SE 12 | SSE 11 | SE 12 | — | — | S 16 | — | — | — | — | — | — | — | — | — | SE 13 | SSE 13 | — | SSE 12 |
| kJ | 3 | 6 | 11 | 5 | — | — | 5 | — | — | — | — | — | — | — | — | — | 7 | 17 | — | 13 |
Wind waves Height (m) Direction Period (s) | E 8 | S 12 | — | S 5 | SSE 7 | SSE 8 | SE 7 | ESE 5 | SE 8 | SE 8 | S 11 | — | — | — | S 10 | S 6 | SSE 6 | ESE 9 | ESE 9 | E 5 |
| kJ | 57 | 24 | — | 22 | 86 | 106 | 107 | 22 | 200 | 193 | 61 | — | — | — | 196 | 16 | 40 | 147 | 68 | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 74 | 222 | 52 | 261 | 298 | 162 | 160 | 133 | 74 | 52 | 52 | 52 | 80 | 0 | 165 | 105 | 162 | 160 | 160 | 113 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Ilha Comprida Surf forecast
The above surf forecast table for Ilha Comprida provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ilha Comprida can be found by selecting the local surf guide option on the grey menu. Our Ilha Comprida surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Ilha Comprida) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Ilha Comprida may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in São Paulo? If you are looking for accommodation near Ilha Comprida, camping, hotels and holiday cottages in São Paulo, consider staying in Iguape which is 14 km (9 miles) away. Other places in and around São Paulo where you can find information about places to rent, and car hire include Registro which is 41 km (25 miles) away, Cajati and Peruibe.
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