Surf Forecasts:
Prainha surf forecast from 15 Nov 2026:
- Best quality surf: Saturday 21 Nov, 9PM (local time) - 4.5ft (1.4m), 6s period, SSE swell with cross-offshore winds.
- Most powerful swell: Friday 27 Nov, 3AM (local time) - 3ft (0.9m), 13s period, SE swell with 282 kJ wave energy.
- Next surfable swell (1★+): Monday 16 Nov, 3AM (local time) - 2.5ft (0.8m), 7s period with E 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 (Nov 16) at 3AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.1m and 8s. 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 0.9m 13s and forecast to arrive on Friday (Nov 27) at 3AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Tuesday (Nov 24) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 16th Nov) | 2.5ft (0.8m) 7s |
| Best Surf | 9PM (Sat 21st Nov) | 4.5ft (1.4m) 6s |
| Most Powerful | 3AM (Fri 27th Nov) | 3ft (0.9m) 13s |
Table - best surf conditions forecast for Prainha over the next 16 days.
Short Range ForecastHeavy rain (total 25mm), heaviest during Sun afternoon. Warm (max 23°C on Mon afternoon, min 20°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 15mm), heaviest on Fri night. Warm (max 24°C on Thu afternoon, min 21°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | |||||||||||||||
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 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SE 8 | SSE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 71 | 66 | 64 | 62 | 61 | 150 | 97 | 96 | 179 | 96 | 102 | 86 | 72 | 76 | 88 | 86 | 68 | 64 | 46 | 67 | 82 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross | glassy | cross-on | on | cross-on | on | cross-on | cross-on | on | glassy | glassy | on | glassy | cross-on | on | cross-on | cross-off | cross | cross-off |
High Tide | 6:43PM0.90m | 8:05AM0.97m | 2:38PM0.75m | 8:01PM0.90m | 9:15AM1.01m | 9:15PM0.96m | 10:17AM1.08m | 10:20PM1.04m | 11:11AM1.16m | 11:18PM1.15m | 11:58AM1.22m | 00:10AM1.25m | 12:42PM1.25m | 00:58AM1.34m | |||||||
Low Tide | 10:59AM0.61m | 11:38PM0.36m | 11:59AM0.68m | 4:30PM0.72m | 00:59AM0.43m | 5:10PM0.63m | 4:48AM0.38m | 5:44PM0.53m | 5:34AM0.29m | 6:13PM0.44m | 6:14AM0.22m | 6:39PM0.35m | 6:51AM0.19m | 7:00PM0.28m | |||||||
 |  |  | |  | |  | | |  | |  | | |  | |  |  | |  |  | |
 | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:13 | — | — |
 | — | 6:39 | — | — | 6:40 | — | — | 6:42 | — | — | 6:42 | — | — | 6:43 | — | — | 6:44 | — | — | 6:45 | — |
mm | — | 15 | 5 | — | — | 2 | 1 | — | 2 | 2 | — | — | — | — | 5 | — | 2 | 6 | 2 | — | — |
Temp °C | 22 | 22 | 21 | 22 | 23 | 23 | 22 | 22 | 22 | 21 | 22 | 22 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 22 |
Feels °C | 24 | 24 | 22 | 23 | 24 | 24 | 22 | 21 | 21 | 22 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 20 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SE 18 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 7 | SSE 6 |
| kJ | 71 | 66 | 64 | 62 | 61 | 86 | 97 | 13 | 91 | 96 | 102 | 86 | 72 | 76 | 88 | 86 | 68 | 64 | 46 | 17 | 51 |
Swell 2 Height (m) Direction Period (s) | SE 15 | SE 13 | SE 12 | SE 12 | SE 8 | SE 18 | SE 16 | SE 14 | SE 17 | SE 14 | SE 13 | SE 12 | SE 11 | SE 11 | SE 11 | S 10 | S 10 | S 9 | S 9 | — | ESE 7 |
| kJ | 9 | 7 | 6 | 5 | 2 | 13 | 10 | 8 | 11 | 7 | 7 | 6 | 5 | 5 | 4 | 2 | 2 | 2 | 2 | — | 42 |
Swell 3 Height (m) Direction Period (s) | SE 12 | — | SE 8 | SSE 11 | SE 11 | S 10 | SE 19 | S 9 | — | — | — | — | — | — | — | SSE 10 | SSE 10 | SSE 9 | SSE 9 | — | E 7 |
| kJ | 6 | — | 3 | 12 | 5 | 7 | 15 | 2 | — | — | — | — | — | — | — | 10 | 9 | 8 | 8 | — | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | E 7 | — | E 7 | E 7 | — | — | — | — | — | — | — | — | NNW 3 | — | SE 8 | SSE 6 |
| kJ | — | — | — | — | — | 150 | — | 96 | 179 | — | — | — | — | — | — | — | — | 1 | — | 67 | 82 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 40 | 4 | 0 | 128 | 73 | 40 | 391 | 40 | 4 | 140 | 0 | 0 | 73 | 0 | 4 | 213 | 4 | 61 | 222 | 0 |
Best forecast wave conditions in Santa Catarina - Norte | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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