Surf Forecasts:
Prainha surf forecast from 5 Jul 2026:
- Best quality surf: Saturday 11 Jul, 3AM (local time) - 2.5ft (0.8m), 13s period, ESE swell with glassy winds.
- Most powerful swell: Tuesday 7 Jul, 12PM (local time) - 5ft (1.6m), 10s period, SE swell with 471 kJ wave energy.
- Next surfable swell (1★+): Monday 6 Jul, 3AM (local time) - 2ft (0.6m), 11s period with SE swell.
Best Forecast Surf Conditions for Prainha this week:
The surf forecast for Prainha over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 06) at 3AM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Prainha in the next 16 days are 1.6m 10s and forecast to arrive on Tuesday (Jul 07) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Jul 12) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 6th Jul) | 2ft (0.6m) 11s |
| Best Surf | 3AM (Sat 11th Jul) | 2.5ft (0.8m) 13s |
| Most Powerful | 12PM (Tue 7th Jul) | 5ft (1.6m) 10s |
Table - best surf conditions forecast for Prainha over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, grab your board and wax, let’s talk about what’s brewing for Prainha.
To be straight with you, the next week or so is looking pretty flat and uninspiring. Conditions are feeling very average, and for a stretch there, we’ve got a real lull. From now through about the 10th of July, we’ve got tiny, weak swell with messy winds, so don’t get your hopes up. There’s no real standout session on offer for the immediate days.
The first proper glimmer of hope doesn’t show up until Saturday morning, July 11th. That morning, the ocean’s gonna turn glassy with a light NNW breeze, and we’ll see some clean 3 ft swell rolling in from the ESE. The period’s 13 seconds, so there’s some decent groundswell energy in the water – you’ll feel the push. The combined wave energy is sitting at 241 (moderate), which is the best we’ve seen in a while. This is the pick of the forecast, without a doubt. Prainha is a consistent spot, so if you’re an advanced surfer and you can get out early that Saturday, that’s your window. Just know that crowds are sometimes an issue there, so get in the water early for the cleanest ones.
The water temperature is running at 65°, which is just about normal for this time of year, so a spring suit is fine.
After that Saturday morning, it falls away again. We get a few more clean mornings on the 12th and 13th, but the swell drops right off, back to tiny 1 ft to 2 ft stuff. It’s surfable but very ordinary. From the 14th right through to the 17th, it’s just about dead – swell below 1 ft and poor conditions – a real flat spell.
Then, right at the tail end, on Saturday, July 18th, we get a late pulse. It’s a short-period windswell (7 seconds) so not as quality, but the swell bumps up to 4 ft to 4 ft from the SE. The wind goes glassy that morning and afternoon, which will keep it clean. The energy is moderate (122). It’s not the greatest wave shape – short period tends to be a bit lumpy – but if you’re desperate for a paddle, it’s the only other real option in the whole 16-day window. For the most part though, this isn’t a period for the history books. Keep an eye on the forecasts, because it’s not usually this quiet for this long, and things can change.
Rusty
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Very mild (max 17°C on Mon afternoon, min 13°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Very mild (max 18°C on Thu night, min 12°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | |||||||||||||||
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) | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 103 | 97 | 94 | 85 | 82 | 79 | 200 | 160 | 96 | 78 | 76 | 74 | 52 | 58 | 56 | 36 | 76 | 141 | 192 | 189 | 175 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross | cross-off | cross-on | cross | cross | cross-on | cross-off | glassy | on | cross-off | cross-off | cross-on | cross-off | cross | cross | glassy | glassy | cross-on | cross-on |
High Tide | 7:11PM1.12m | 7:13AM1.09m | 8:08PM1.06m | 8:18AM1.05m | 9:10PM1.02m | 9:31AM1.04m | 10:16PM0.98m | 10:47AM1.09m | 11:20PM0.97m | 11:59AM1.17m | 00:18AM0.98m | 1:02PM1.26m | 1:09AM1.01m | ||||||||
Low Tide | 11:30AM0.20m | 11:43PM0.49m | 12:18PM0.28m | 00:35AM0.53m | 1:18PM0.39m | 1:40AM0.56m | 5:15PM0.47m | 5:40AM0.52m | 6:37PM0.43m | 6:31AM0.42m | 7:38PM0.40m | 7:11AM0.32m | 8:28PM0.40m | ||||||||
 | |  | | |  | |  |  | | | | | | |  | |  | | |  | |
 | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | 5:34 | — | — | 5:35 | — | — | 5:35 | — | — | 5:36 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — |
mm | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | 11 |
Temp °C | 14 | 16 | 16 | 16 | 17 | 17 | 15 | 15 | 16 | 15 | 16 | 16 | 16 | 17 | 18 | 16 | 15 | 15 | 15 | 17 | 17 |
Feels °C | 13 | 15 | 14 | 15 | 17 | 17 | 12 | 14 | 15 | 14 | 15 | 15 | 15 | 16 | 18 | 14 | 13 | 15 | 16 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | E 8 | SE 10 | SE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 12 |
| kJ | 103 | 97 | 94 | 85 | 82 | 79 | 6 | 160 | 96 | 78 | 76 | 74 | 52 | 58 | 56 | 36 | 76 | 141 | 192 | 189 | 175 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | SSE 14 | E 8 | E 8 | E 8 | S 10 | SE 12 | ESE 12 | S 9 | ENE 4 | ESE 13 | ESE 10 | SSE 4 | SE 4 | SE 15 | SE 13 |
| kJ | 15 | 15 | 14 | 14 | 6 | 6 | 20 | 5 | 5 | 1 | 2 | 6 | 28 | 15 | 1 | 35 | 31 | 13 | 3 | 76 | 61 |
Swell 3 Height (m) Direction Period (s) | — | — | SE 22 | SE 19 | SE 18 | SE 16 | — | SSE 13 | — | — | SE 13 | E 8 | ENE 3 | — | S 9 | ENE 4 | ENE 4 | ENE 5 | SE 17 | ENE 5 | ENE 6 |
| kJ | — | — | 18 | 58 | 49 | 10 | — | 18 | — | — | 7 | 1 | 1 | — | 6 | 2 | 2 | 2 | 46 | 6 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SE 10 | — | — | — | — | NNE 2 | NE 3 | ENE 4 | — | — | — | — | — | SSE 5 | SSE 4 |
| kJ | — | — | — | — | — | — | 200 | — | — | — | — | 1 | 3 | 1 | — | — | — | — | — | 5 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 4 | 4 | 0 | 52 | 4 | 61 | 40 | 0 | 0 | 33 | 0 | 0 | 54 | 0 | 61 | 128 | 0 | 0 | 4 | 4 |
Best forecast wave conditions in Santa Catarina - Norte | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Prainha Surf forecast
The above surf forecast table for Prainha provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Prainha can be found by selecting the local surf guide option on the grey menu. Our Prainha 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 (Prainha) 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 Prainha 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.
Prainha is 14 km (9 miles) from Sao Francisco do Sul. If you plan a holiday in Santa Catarina - Norte, look for hotels and other accommodation in Sao Francisco do Sul. Sao Francisco do Sul has rooms for a wide range of budgets as well as car hire and transport links.
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