Surf Forecasts:
Ilha Porchat surf forecast from 19 Jul 2026:
- Best quality surf: Sunday 19 Jul, 9PM (local time) - 3.5ft (1.1m), 8s period, E swell with offshore winds.
- Most powerful swell: Friday 24 Jul, 9PM (local time) - 3.5ft (1.1m), 9s period, SSE swell with 180 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 9PM (local time) - 3.5ft (1.1m), 8s period with E swell.
Best Forecast Surf Conditions for Ilha Porchat this week:
The surf forecast for Ilha Porchat over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 19) at 9PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.5m and 4s. Another secondary swell of 0.5m and 8s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ilha Porchat in the next 16 days are 1.1m 9s and forecast to arrive on Friday (Jul 24) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Wednesday (Jul 22) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sun 19th Jul) | 3.5ft (1.1m) 8s |
| Best Surf | 9PM (Sun 19th Jul) | 3.5ft (1.1m) 8s |
| Most Powerful | 9PM (Fri 24th Jul) | 3.5ft (1.1m) 9s |
Table - best surf conditions forecast for Ilha Porchat over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s cookin’ for our local stretch.
Right off the bat, I gotta be straight with you – the next week and a half is flat-out grim. We’re looking at a massive gap with no real surf to get excited about. From now through to the end of July, the swell is tiny and the energy is weak, generally under 100 on the energy scale. You’ll see waves that are knee-high at best, with poor conditions. The wind is often offshore, which would be a dream if there was any swell to work with, but there just isn’t. It’s a classic case of clean but tiny. You’ll be paddling around with nothing to ride.
The best chance for a surf comes in the second week of the forecast, but even then it’s not a slam dunk. Let’s look at the standout.
Ilha Porchat – this is your best bet, and it’s not until the morning of Monday, 28 July. The swell is still small at 3 ft, but it’s coming from the S with a period of 13 seconds. That’s a proper groundswell, and it packs a punch with a combined energy of 351 (moderate to strong). The wind is glassy calm, dead calm, which means the waves will be clean and smooth. This is a sheltered spot, so it’ll handle that S swell nicely. It’s a beach and point setup, so that long period will be more forgiving on the point section. The water temp is 67°, which is about normal for this time of year, so no shock there. Keep in mind, this break can get crowded, so expect company. The swell is small enough for beginners, but the long period means the sets will be a bit more powerful and spaced out, making it tricky for total novices. The morning of the 28th is the only real window of quality.
The rest of the second week is a mixed bag. The Thursday morning, 30 July, has some clean 3 ft S swell, but that’s with a short period and modest energy. The following Monday, 3 August, has a similar 3 ft ESE swell that’s clean, but again, it’s just ordinary. Nothing that’ll get your heart racing.
So, to sum it up: we’ve got a long dry spell, then a brief, promising window on the morning of July 28th at Ilha Porchat. If you can get out that morning, it’s your best (and only) real shot. Don’t hold your breath for the rest. Stay tuned, forecasts can change.
Rusty.
Short Range ForecastMostly dry. Warm (max 32°C on Tue morning, min 21°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 31mm), heaviest during Thu afternoon. Warm (max 27°C on Wed morning, min 18°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||
AM | 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) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 5 | ESE 8 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 40 | 53 | 25 | 68 | 51 | 24 | 34 | 50 | 35 | 24 | 38 | 38 | 14 | 14 | 39 | 133 | 165 | 180 | 154 | 151 | 88 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | off | off | off | off | off | off | cross-on | glassy | cross | cross-off | cross-on | cross-on | glassy | cross-on | glassy | cross-on | glassy |
High Tide | 5:43PM0.96m | 5:45AM1.07m | 6:13PM0.91m | 6:31AM0.96m | 6:47PM0.86m | 7:32AM0.85m | 7:32PM0.79m | 9:46AM0.78m | 8:54PM0.74m | 12:53PM0.88m | 11:47PM0.76m | 1:28PM0.98m | 00:46AM0.84m | ||||||||
Low Tide | 12:05PM0.28m | 11:44PM0.47m | 12:39PM0.40m | 00:24AM0.47m | 1:31PM0.52m | 1:50AM0.49m | 3:07PM0.60m | 3:37AM0.47m | 4:52PM0.62m | 5:05AM0.41m | 6:14PM0.57m | 6:11AM0.32m | 7:07PM0.50m | ||||||||
 | |  | | | | | | | |  |  |  | |  |  | |  | | |  | |
 | 6:46 | — | — | 6:46 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:43 | — | — |
 | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:38 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 8 | 9 | 2 | 2 | 3 | — | — | — |
Temp °C | 28 | 28 | 24 | 30 | 31 | 26 | 32 | 32 | 27 | 27 | 21 | 21 | 19 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 |
Feels °C | 26 | 26 | 22 | 27 | 29 | 24 | 29 | 30 | 25 | 25 | 20 | 23 | 21 | 21 | 21 | 19 | 21 | 20 | 21 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | E 5 | ESE 8 | ESE 8 | E 5 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 5 | SE 5 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 |
| kJ | 40 | 53 | 11 | 68 | 51 | 12 | 34 | 50 | 35 | 24 | 38 | 38 | 13 | 6 | 39 | 133 | 165 | 180 | 154 | 151 | 88 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 15 | ESE 8 | S 12 | S 12 | ESE 8 | S 11 | S 11 | S 11 | S 10 | S 9 | SSW 4 | S 5 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | SSE 12 |
| kJ | 5 | 17 | 25 | 3 | 3 | 24 | 2 | 2 | 9 | 17 | 15 | 6 | 14 | 14 | 26 | 12 | 6 | 6 | 6 | 1 | 29 |
Swell 3 Height (m) Direction Period (s) | S 12 | — | S 13 | S 15 | — | S 12 | — | — | — | — | — | S 8 | ESE 8 | S 5 | S 15 | S 14 | S 12 | S 11 | ESE 8 | ESE 8 | S 9 |
| kJ | 3 | — | 14 | 4 | — | 3 | — | — | — | — | — | 13 | 14 | 4 | 4 | 4 | 3 | 10 | 11 | 11 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 3 | — | — | — | — | — | N 3 | SSW 3 | — | — | SSW 5 | SSW 4 | — | — | — | — | — | — |
| kJ | — | — | — | 3 | — | — | — | — | — | 5 | 8 | — | — | 4 | 6 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 11 | 9 | 8 | 8 | 8 | 17 | 17 | 8 | 11 | 11 | 269 | 8 | 26 | 17 | 11 | 11 | 0 | 2 | 0 | 9 | 0 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Ilha Porchat Surf forecast
The above surf forecast table for Ilha Porchat provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ilha Porchat can be found by selecting the local surf guide option on the grey menu. Our Ilha Porchat 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 Porchat) 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 Porchat 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.
Ilha Porchat is 4 km (2 miles) from the city of Praia Grande. If you plan a holiday in São Paulo, look for hotels and other accommodation in Praia Grande. Praia Grande has rooms for a wide range of budgets as well as car hire and transport links.
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