Surf Forecasts:
Joaquina surf forecast from 15 Aug 2026:
- Best quality surf: Saturday 15 Aug, 9AM (local time) - 7ft (2.1m), 7s period, E swell with onshore winds.
- Most powerful swell: Saturday 15 Aug, 9AM (local time) - 7ft (2.1m), 7s period, E swell with 474 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 9AM (local time) - 7ft (2.1m), 7s period with E swell.
Best Forecast Surf Conditions for Joaquina this week:
The surf forecast for Joaquina over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 15) at 9AM. The primary swell is predicted to be 2.1m and 7s period with a secondary swell of 1.5m and 7s. Another secondary swell of 0.9m and 12s is also forecast. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Joaquina in the next 16 days are 2.1m 7s and forecast to arrive on Saturday (Aug 15) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 8s period and expected on Saturday (Aug 15) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sat 15th Aug) | 7ft (2.1m) 7s |
| Best Surf | 9AM (Sat 15th Aug) | 7ft (2.1m) 7s |
| Most Powerful | 9AM (Sat 15th Aug) | 7ft (2.1m) 7s |
Table - best surf conditions forecast for Joaquina over the next 16 days.
The Lowdown
Alright, Rusty here, let’s break down what’s on the table for Joaquina over the next couple of weeks.
First up, we’re looking at a bit of a mixed bag for this famous sandbar. The water temp is sitting at 65°, which is pretty normal for this time of year, so no surprises there.
The weekend starts off with some size. Saturday morning the 15th has a solid 7ft easterly swell rolling in, but it’s packing a moderate energy punch (968). The problem? The report says it’s actually too big for this break, and we’ve got some rain and a light onshore breeze. That’s a pass from me. The afternoon drops to 5ft but gets messy with cross-shore wind.
Sunday the 16th morning is the first real looker. We’ve got a 5ft easterly swell, period around 8 seconds, with a cross-offshore breeze making things clean. The energy is moderate (323). It’s not a massive day, but that clean, lined-up sandbar with offshore vibes? That’s where you want to be. Afternoon drops off to below 2ft and loses energy fast.
From Monday the 17th through to Wednesday the 19th, it goes flat. Tiny waves, poor conditions, nothing to write home about. That’s a solid four-day gap of no surf.
Thursday the 20th morning brings a tiny 2ft SSE swell, clean but weak energy (50). It’s surfable but very ordinary. Friday the 21st is equally small and not worth paddling out for.
Then we hit another lull. From Saturday the 22nd through Tuesday the 25th morning, the swell builds but the winds are all cross-onshore or cross, leaving the surf chopped and messy. The numbers on the 23rd and 24th show 5ft to 6ft SSE swells with strong energy (up to 756), but with onshore winds, it’s a choppy, bumpy mess. That’s more of a kitesurfer’s playground than a paddle surfer’s dream.
Now, here’s where it gets interesting. Tuesday the 25th afternoon is the standout for the whole outlook. We get a 4ft SSE groundswell with a long 12-second period and *glassy* conditions – a light northeast breeze making the surface like a lake. The energy is solid (443). That’s clean, long-period lines wrapping into Joaquina. You’ll have nice shape, but because it’s a long-period swell hitting a beach break, it might wall up a bit. Still, for that afternoon, it’s your best bet.
Thursday the 27th morning also looks clean with a 3ft SSE swell, 12-second period, and a light cross-offshore north breeze. Energy is moderate (310). It’s not as big as Tuesday, but it’ll be clean and fun.
After that, it fades. Friday the 28th and Saturday the 29th are back to tiny, poor surf, and Sunday the 30th shows some size returning (4ft) but with onshore wind again.
So, the takeaway: don’t bother this weekend. Wait for Tuesday the 25th afternoon for the glassy, long-period swell. That’s your one true standout.
Rusty.
Short Range ForecastHeavy rain (total 21mm), heaviest during Sat morning. Warm (max 21°C on Mon afternoon, min 17°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Tue afternoon, min 19°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 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) | E 7 | E 8 | E 8 | E 8 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SE 10 | S 10 | E 14 | SSW 4 | SSE 8 | S 7 | SSE 7 | SSE 7 | SE 6 | SE 6 | S 9 | SSE 9 |
Wave Graph | |||||||||||||||||||||
474 | 300 | 280 | 235 | 50 | 40 | 20 | 10 | 9 | 4 | 3 | 4 | 3 | 19 | 26 | 47 | 31 | 13 | 9 | 38 | 47 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | on | glassy |
High Tide | 3:35PM0.73m | 3:20AM0.86m | 3:54PM0.70m | 3:56AM0.81m | 4:14PM0.67m | 4:34AM0.74m | 4:34PM0.64m | 5:18AM0.65m | 4:52PM0.60m | 6:21AM0.56m | 1:10PM0.55m | 12:32PM0.61m | |||||||||
Low Tide | 9:56AM0.09m | 9:20PM0.35m | 10:12AM0.19m | 9:14PM0.30m | 10:11AM0.28m | 9:31PM0.27m | 10:02AM0.36m | 9:58PM0.27m | 9:57AM0.44m | 10:32PM0.30m | 9:38AM0.50m | 2:43PM0.54m | 2:21AM0.34m | ||||||||
6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | |
— | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — | |
mm | 14 | 4 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 19 | 20 | 19 | 20 | 21 | 19 | 23 | 25 | 21 | 21 | 21 | 19 | 21 | 21 | 20 | 22 | 21 | 17 |
Feels °C | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 20 | 19 | 23 | 25 | 23 | 23 | 19 | 19 | 21 | 20 | 18 | 22 | 20 | 16 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSE 10 | ENE 9 | E 8 | ENE 8 | E 9 | E 8 | E 8 | E 8 | SSE 7 | ENE 8 | E 7 | E 7 | E 7 | E 8 |
251 | 300 | 280 | 235 | 203 | 217 | 230 | 10 | 270 | 173 | 180 | 151 | 108 | 82 | 58 | 47 | 66 | 40 | 25 | 25 | 63 | |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SE 10 | SSE 10 | SSE 10 | — | SSE 9 | SE 10 | S 10 | S 9 | — | E 13 | S 7 | E 8 | SSE 7 | SE 6 | SE 6 | S 9 | SSE 9 |
243 | 154 | 103 | 73 | 50 | 40 | 20 | — | 9 | 4 | 2 | 2 | — | 3 | 26 | 60 | 31 | 13 | 9 | 38 | 47 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 14 | ESE 13 | E 13 | — | — | SE 9 | SE 8 | SE 8 | E 14 | S 8 | SE 13 | E 13 | E 12 | S 8 | S 8 | S 8 | SE 6 | SE 16 |
— | — | — | 15 | 18 | 13 | — | — | 3 | 3 | 3 | 4 | 1 | 7 | 3 | 3 | 5 | 5 | 4 | 5 | 10 | |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | — | — | ENE 8 | ENE 8 | NNW 3 | ENE 9 | NE 9 | NE 8 | NE 8 | SSW 3 | SSW 4 | SSE 8 | — | — | NNE 4 | — | — | — | — |
474 | 600 | — | — | 327 | 487 | 3 | 268 | 686 | 511 | 450 | 2 | 3 | 19 | — | — | 19 | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 23 | 18 | 0 | 18 | 227 | 49 | 4 | 60 | 12 | 49 | 12 | 3 | 6 | 27 | 6 | 0 | 227 | 12 | 12 | 17 | 0 |
Best forecast wave conditions in Florianópolis | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
Information about the Joaquina Surf forecast
The above surf forecast table for Joaquina provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Joaquina can be found by selecting the local surf guide option on the grey menu. Our Joaquina 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 (Joaquina) 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 Joaquina 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.
Joaquina is 9 km (6 miles) from Florianopolis. If you plan a holiday in Florianópolis, look for hotels and other accommodation in Florianopolis. Florianopolis has rooms for a wide range of budgets as well as car hire and transport links.











