Surf Forecasts:
Joaquina surf forecast from 19 Aug 2026:
- Best quality surf: Monday 24 Aug, 12AM (local time) - 7ft (2.2m), 12s period, S swell with cross-onshore winds.
- Most powerful swell: Monday 24 Aug, 6AM (local time) - 6ft (1.9m), 14s period, SSE swell with 1,422 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 3AM (local time) - 2.5ft (0.7m), 8s 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 Thursday (Aug 20) at 3AM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.3m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Joaquina in the next 16 days are 1.9m 14s and forecast to arrive on Monday (Aug 24) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 9s period and expected on Friday (Aug 21) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 20th Aug) | 2.5ft (0.7m) 8s |
| Best Surf | 12AM (Mon 24th Aug) | 7ft (2.2m) 12s |
| Most Powerful | 6AM (Mon 24th Aug) | 6ft (1.9m) 14s |
Table - best surf conditions forecast for Joaquina over the next 16 days.
The Lowdown
Right folks, Rusty here. Let's have a look at what's cookin' for Joaquina over the next couple of weeks.
Alright, to be honest, things are looking pretty flat and average for the most part. We've got a long stretch of small, weak swell and messy wind ahead, but there are a couple of windows that might just get your heart pumping. The first real action we can paddle for isn't until Thursday, 20th August, with some tiny waves, so don't get your hopes up too early.
The real standout of the whole 16-day period is undeniably Sunday, 23rd August. The morning session is where it's at. We're looking at a clean 4ft swell pushing in from the SSE, with a long period of 11 seconds – that's proper groundswell energy. The combined energy of all swells hitting the sandbar is a solid 265, which is a good, surfable punch. The absolute best bit? The wind is glassy. Dead flat. That means Joaquina's sandbar is going to be smooth as silk, offering up some of the best shaped waves we've seen in a while. This is the one to circle on your calendar. Just be aware that with a long period swell like this, the sets will have longer gaps, making the paddle out a bit easier, and the waves will have real push.
The following week, we get a bit more size, but it comes with a caveat. On Monday, 24th August, the swell bumps up to 7ft in the morning from the SSE, with a very long period of 13 seconds. The combined energy is a whopping 1371, which is strong. However, the wind is a light cross-onshore, so it won't be glassy like Sunday. This is for the more experienced crew only – over 8ft tomorrow morning is big, but 7ft with that much energy is still a handful for beginners. The quality is a bit marginal due to the wind, so it's not a straight-up winner.
After that, the swell drops off quickly. We get a bit of a pulse on Tuesday, 25th August, with a clean 4ft SSE groundswell in the morning, but the energy is down to 542. The wind is offshore, so it'll be clean, but it's a shadow of the Sunday session. From there, it's a slow fade into small, weak, and often choppy conditions for the rest of the month and into early September. There's a little bump on Saturday, 29th August, with a morning offshore wind and 4ft of short-period swell, but it's a bit ordinary.
So, to sum it up: get your gear ready for Sunday morning, 23rd August. That's your best bet. The Thursday before and the Monday after are worth a look if you're keen, but Sunday is the one. The rest of the window is a waiting game.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Tue night, min 17°C on Fri afternoon). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 16°C on Fri night, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
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 14 | E 14 | E 13 | S 7 | E 8 | E 7 | E 7 | E 7 | SSE 7 | SSE 9 | SSE 8 | S 8 | SSE 8 | SSE 11 | SSE 13 | S 12 | SSE 13 | SSE 14 | SSE 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 4 | 4 | 5 | 4 | 54 | 53 | 25 | 44 | 69 | 359 | 157 | 246 | 107 | 265 | 421 | 1355 | 1370 | 1143 | 745 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | glassy | cross-off | cross-off | off | cross-off | on | cross-on | cross | cross-on | cross-on | glassy | on | cross-on | cross-on | cross-on | cross-off |
High Tide | 5:18AM0.65m | 4:52PM0.60m | 6:21AM0.56m | 1:10PM0.55m | 12:32PM0.61m | 12:33PM0.68m | 11:20PM0.51m | 12:47PM0.75m | 11:56PM0.60m | 1:07PM0.80m | 00:24AM0.69m | ||||||||
Low Tide | 9:58PM0.27m | 9:57AM0.44m | 10:32PM0.30m | 9:38AM0.50m | 2:43PM0.54m | 2:21AM0.34m | 4:22AM0.29m | 6:28PM0.44m | 5:27AM0.21m | 6:42PM0.38m | 6:12AM0.13m | 7:03PM0.34m | |||||||
 |  |  |  | | |  | | | | |  | | | | | | | | |
 | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — |
 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — | — | 5:55 | — | — | 5:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 21 | 20 | 19 | 21 | 21 | 19 | 20 | 19 | 16 | 15 | 15 | 14 | 14 | 15 | 13 | 15 | 15 | 16 |
Feels °C | 27 | 21 | 20 | 20 | 21 | 20 | 19 | 18 | 16 | 12 | 13 | 12 | 11 | 12 | 11 | 8 | 13 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 11 | SSE 13 | SSE 12 | SSE 13 | SSE 14 | SSE 13 |
| kJ | 147 | 84 | 60 | 57 | 54 | 53 | 25 | 44 | 36 | 359 | 157 | 113 | 107 | 265 | 421 | 589 | 1370 | 1143 | 745 |
Swell 2 Height (m) Direction Period (s) | S 9 | E 14 | E 13 | S 3 | SSE 6 | SSE 6 | ENE 4 | SSE 7 | E 11 | E 8 | E 8 | E 9 | ENE 8 | ENE 8 | ENE 8 | E 7 | E 7 | E 7 | E 7 |
| kJ | 2 | 4 | 3 | 1 | 14 | 8 | 7 | 16 | 3 | 49 | 37 | 39 | 24 | 12 | 6 | 4 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | E 14 | S 9 | S 9 | S 7 | SSE 9 | SSE 9 | S 8 | E 11 | — | — | — | S 12 | SSE 13 | — | NE 8 | — | — | — | — |
| kJ | 4 | 2 | 1 | 4 | 17 | 15 | 5 | 2 | — | — | — | 3 | 17 | — | 15 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 3 | SSE 3 | — | — | NE 3 | NNW 3 | — | SSE 7 | S 9 | — | S 8 | — | — | S 10 | S 12 | — | — | — |
| kJ | — | 1 | 5 | — | — | 3 | 3 | — | 69 | 937 | — | 246 | — | — | 556 | 1355 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 6 | 27 | 3 | 0 | 60 | 4 | 0 | 27 | 23 | 3 | 31 | 6 | 0 | 82 | 23 | 6 | 28 | 0 |
Best forecast wave conditions in Florianópolis | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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.
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