Surf Forecasts:
Joaquina surf forecast from 27 Aug 2026:
- Best quality surf: Wednesday 2 Sep, 3AM (local time) - 10ft (3.0m), 11s period, S swell with cross-onshore winds.
- Most powerful swell: Wednesday 2 Sep, 3AM (local time) - 10ft (3.0m), 11s period, S swell with 1,860 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 6PM (local time) - 3.5ft (1.0m), 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 Sunday (Aug 30) at 6PM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.1m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Joaquina in the next 16 days are 3.0m 11s and forecast to arrive on Wednesday (Sep 02) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 11s period and expected on Tuesday (Sep 01) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Sun 30th Aug) | 3.5ft (1.0m) 8s |
| Best Surf | 3AM (Wed 2nd Sep) | 10ft (3.0m) 11s |
| Most Powerful | 3AM (Wed 2nd Sep) | 10ft (3.0m) 11s |
Table - best surf conditions forecast for Joaquina over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s shaping up for the next couple of weeks at Joaquina. This is a classic exposed sandbar, and the swell window is open to the southeast, which is exactly what this place needs to light up.
We’re starting off with a bit of a slow burn, but there are some real gems hidden in this forecast if you’re patient. The best surf on offer is definitely the Thursday morning, 27 August. We’ve got a solid 4ft SE groundswell with a period of 14 seconds pushing in, and the wave energy is sitting in the moderate range at 722. The wind is a gentle NNW breeze, blowing cross-offshore, which will keep the faces clean and lined up. The water temp is 65°, which is pretty average for this time of year, so no surprises there. Get on it early – this is the standout session.
Thursday afternoon drops off a bit to 4ft SE swell, still a nice 14-second period, but the wind swings to a cross-off from the NNE at 12 mph and the energy drops to 386. It’s still surfable, but the quality slips.
Friday, 28 August, things take a nosedive. The swell drops to 2ft on the morning and only gets a little bump in the afternoon. The wind is up and cross-off, but there’s just not enough push. The energy readings are 68 and 136, which is weak. We’re looking at a few days of small, messy stuff here.
Saturday, 29 August, is flat. 0.7ft swell. Don’t even bother. Sunday, 30 August, tries to pick up with a 3ft E swell but the period is a short 8 seconds and the cross-onshore wind kills any quality. The energy hits 127 and 145, but it’s choppy and wonky. Monday, 31 August, brings a bit of hope. The morning shows 4ft E swell with a 9-second period and a nice light offshore from the NW at 3 mph. Energy is 254. This could be clean and fun, but the afternoon gets ruined by 16 mph cross-off winds. Tuesday, 1 September, is a write-off with strong onshores.
There’s a gap of poor to marginal conditions until Thursday, 3 September, which is a marginal call. Then, Friday, 4 September, brings another good window. The morning shows 3ft SSE swell with an 11-second period and a light cross-off breeze from the NNW at 6 mph. Energy is 201. It’s clean and lined up, but smaller than the first standout. Saturday, 5 September, is similar but with light rain and moderate cross-off winds – still surfable.
After that, the forecast gets pretty bleak. From Sunday, 6 September, right through to Thursday, 10 September, the swell is either too small, too short period, or the wind is onshore and messy. There’s a brief flicker of promise on Friday, 11 September, with a 4ft SSE groundswell, a very long 15-second period, and a light cross-shore wind. The energy is strong at 877. That’s a very long period groundswell, which can make Joaquina a bit straight and tricky, but it’ll have plenty of power. The wind is mostly cross-shore and light in the morning, but the afternoon gets onshored out.
Overall, keep your eyes peeled for Thursday, 27 August morning – that’s the one to circle. Monday, 31 August morning and Friday, 4 September morning are decent fallback options. The long range looks iffy, so get your waves early.
Stay frothy,
Rusty
Short Range ForecastMostly dry. Warm (max 22°C on Fri afternoon, min 19°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 29mm), heaviest during Mon morning. Warm (max 20°C on Sun morning, min 14°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the S by Tue afternoon). | ||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||
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 14 | SE 13 | SE 12 | SE 12 | SSE 11 | SE 11 | SSE 10 | SSE 10 | S 4 | E 8 | E 8 | E 9 | E 9 | ESE 7 | ESE 8 | SE 7 | SSE 9 | SSE 11 | SSE 11 | S 10 | SSE 10 |
Wave Graph | |||||||||||||||||||||
630 | 386 | 178 | 68 | 93 | 18 | 10 | 10 | 9 | 112 | 140 | 181 | 246 | 76 | 128 | 79 | 487 | 917 | 571 | 996 | 435 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 2:12PM0.88m | 1:43AM0.89m | 2:34PM0.87m | 2:12AM0.92m | 2:58PM0.85m | 2:44AM0.92m | 3:22PM0.81m | 3:19AM0.90m | 3:49PM0.75m | 3:58AM0.84m | 4:16PM0.68m | 4:43AM0.76m | 4:43PM0.60m | ||||||||
Low Tide | 8:18PM0.26m | 8:30AM-0.04m | 8:45PM0.25m | 9:04AM-0.01m | 9:11PM0.25m | 9:38AM0.05m | 9:36PM0.26m | 10:15AM0.15m | 9:54PM0.27m | 10:59AM0.27m | 9:48PM0.29m | 12:22PM0.39m | 9:33PM0.30m | ||||||||
6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — | |
— | 5:57 | — | — | 5:58 | — | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 10 | 9 | 6 | — | — | — | — | — | — |
Temp °C | 21 | 20 | 20 | 21 | 22 | 20 | 21 | 22 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 18 | 18 | 16 | 17 | 16 | 15 |
Feels °C | 20 | 19 | 19 | 19 | 21 | 20 | 22 | 23 | 18 | 20 | 20 | 21 | 20 | 19 | 17 | 16 | 12 | 12 | 16 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SE 14 | SE 13 | E 7 | ENE 8 | SE 11 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ENE 9 | ESE 8 | SE 7 | E 10 | SSE 11 | SSE 11 | SSE 10 | SSE 10 |
630 | 386 | 103 | 120 | 43 | 163 | 161 | 165 | 140 | 112 | 140 | 181 | 246 | 108 | 128 | 79 | 115 | 917 | 571 | 445 | 435 | |
Swell 2 Height (m) Direction Period (s) | ENE 6 | — | SE 12 | SE 12 | SSE 11 | SE 11 | SSE 10 | SSE 10 | SE 10 | SE 10 | SE 10 | S 6 | E 8 | ESE 7 | ENE 9 | ENE 10 | ESE 8 | E 10 | E 10 | E 10 | ENE 9 |
33 | — | 178 | 68 | 93 | 18 | 10 | 10 | 4 | 4 | 4 | 2 | 5 | 76 | 47 | 131 | 21 | 98 | 73 | 49 | 29 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 6 | SE 9 | SE 9 | SSE 6 | — | E 8 | — | — | E 9 | — | — |
— | — | — | — | — | — | — | — | — | — | 1 | 3 | 3 | 26 | — | 31 | — | — | 2 | — | — | |
Wind waves Height (m) Direction Period (s) | NE 6 | ENE 6 | NNW 3 | NE 8 | ENE 8 | — | — | SSE 3 | S 4 | SSE 4 | — | — | — | ENE 9 | — | S 4 | SSE 9 | S 11 | — | S 10 | — |
92 | 55 | 1 | 320 | 170 | — | — | 2 | 9 | 11 | — | — | — | 292 | — | 27 | 487 | 2324 | — | 996 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 227 | 4 | 18 | 18 | 3 | 17 | 14 | 27 | 27 | 28 | 0 | 0 | 4 | 4 | 27 | 23 | 14 | 6 | 82 | 23 |
Best forecast wave conditions in Florianópolis | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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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.











