Surf Forecasts:
Galheta surf forecast from 18 Aug 2026:
- Best quality surf: Thursday 20 Aug, 12AM (local time) - 3ft (0.9m), 8s period, ENE swell with glassy winds.
- Most powerful swell: Friday 21 Aug, 9PM (local time) - 4ft (1.2m), 8s period, ENE swell with 176 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 12AM (local time) - 3ft (0.9m), 8s period with ENE swell.
Best Forecast Surf Conditions for Galheta this week:
The surf forecast for Galheta over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 12AM. The primary swell is predicted to be 0.9m and 8s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Galheta in the next 16 days are 1.2m 8s and forecast to arrive on Friday (Aug 21) at 9PM. 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 Saturday (Aug 22) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Thu 20th Aug) | 3ft (0.9m) 8s |
| Best Surf | 12AM (Thu 20th Aug) | 3ft (0.9m) 8s |
| Most Powerful | 9PM (Fri 21st Aug) | 4ft (1.2m) 8s |
Table - best surf conditions forecast for Galheta over the next 16 days.
The Lowdown
Alright, let’s break down what’s coming at Galheta over the next couple of weeks.
First off, it’s a slow start. Tuesday the 18th and Wednesday the 19th are both flat – barely a ripple. Not worth getting wet for.
Thursday the 20th morning finally shows something: a small 3ft swell from the east-northeast, with a light offshore breeze from the north. The combined energy is weak at 99, but it’s clean. You’ll get a few small, rideable waves. Friday the 21st morning is similar – same 3ft, slightly cross-off wind, still clean.
Then it goes dead again. From Saturday the 22nd through Tuesday the 25th, it’s flat. Glassy mornings, but no waves to speak of.
Now, Wednesday the 26th morning brings a long-period groundswell from the southeast, 15 seconds, but only about 2ft. The energy is moderate at 104. It’s clean with a light offshore from the north. That long period gives the little waves some shape and push. The afternoon picks up to about 2ft with stronger energy (217), but the wind gets up and rain moves in. Morning is the call.
Thursday the 27th is more of the same – clean and small, but the groundswell still offers some quality.
Then, the standout. Friday morning the 28th of August. Swell hits 4ft from the southeast, with a solid 13-second period. Energy jumps to 364 – moderate to strong. The wind is a gentle offshore from the north-northwest. That’s clean, lined-up surf at Galheta. The swell direction lines up well with the break’s optimum from the south-southeast. For an intermediate surfer, this is the pick of the forecast. Water temp is about average for the time of year. Expect a few others out there – crowds are possible.
After that, it goes downhill. Saturday the 29th and Sunday the 30th are onshore and choppy. Monday the 31st brings a bigger 5ft swell from the east, but cross-onshore wind makes it messy. That’s more a kite-surfing day than a clean paddle session.
Tuesday the 1st of September sees a 6ft swell from the south-southeast, but it’s short-period windswell at 6 seconds and cross-shore winds. That’s going to be lumpy and uninviting.
So, the clear winner is Friday morning the 28th. Get after it.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Tue afternoon, min 18°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Fri morning, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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 8 | SE 8 | SE 8 | E 14 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 9 | S 9 | S 9 | S 10 | S 11 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 3 | 3 | 3 | 4 | 172 | 135 | 99 | 99 | 78 | 55 | 82 | 123 | 160 | 106 | 0 | 0 | 0 | 0 | 12 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | glassy | on | on | glassy | off | cross-off | off | cross-off | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on |
High Tide | 4:34AM0.74m | 4:34PM0.64m | 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 | ||||||||
Low Tide | 9:31PM0.27m | 10:02AM0.36m | 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 | |||||||
 |  | | | | |  |  |  | | | | | | |  | | | | |
 | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — |
 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — | — | 5:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 25 | 26 | 22 | 19 | 20 | 18 | 21 | 20 | 20 | 22 | 20 | 16 | 15 | 14 | 13 | 13 | 14 | 13 |
Feels °C | 19 | 25 | 26 | 24 | 18 | 19 | 19 | 21 | 19 | 21 | 20 | 18 | 13 | 12 | 9 | 8 | 10 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | S 9 | S 9 | ENE 9 | ENE 8 | S 10 | S 11 | S 11 |
| kJ | 390 | 298 | 351 | 284 | 172 | 135 | 99 | 99 | 78 | 55 | 82 | 123 | 538 | 408 | 90 | 48 | 789 | 807 | 792 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 9 | S 9 | SE 13 | S 4 | S 7 | S 7 | S 8 | S 8 | — | ENE 8 | ENE 9 | S 15 | ENE 9 | ENE 8 | NE 8 | ENE 8 |
| kJ | 7 | 8 | 2 | 2 | 2 | 7 | 7 | 34 | 23 | 21 | 11 | — | 160 | 106 | 4 | 49 | 26 | 16 | 12 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | E 14 | SE 12 | — | S 8 | S 10 | S 9 | SSE 5 | SE 6 | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 4 | 6 | — | 10 | 28 | 24 | 3 | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | — | SSW 3 | S 3 | S 4 | — | — | NE 3 | N 4 | WNW 3 | S 8 | S 9 | S 9 | S 9 | S 9 | — | — | — |
| kJ | — | 4 | — | 2 | 2 | 12 | — | — | 2 | 9 | 3 | 55 | 874 | 642 | 686 | 691 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 45 | 1 | 8 | 1 | 10 | 23 | 0 | 0 | 65 | 0 | 0 | 10 | 19 | 10 | 863 | 19 | 10 | 19 | 10 |
Best forecast wave conditions in Florianópolis | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
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Information about the Galheta Surf forecast
The above surf forecast table for Galheta provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Galheta can be found by selecting the local surf guide option on the grey menu. Our Galheta 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 (Galheta) 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 Galheta 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.
Galheta 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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