Barrinha Surf Break

Lat Long: 28.09° S 48.63° W

Barrinha Surf Forecast and Surf Report

Issued: 8 pm 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Barrinha sea temperature is
19.1°C
0.3° 

Barrinha surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Barrinha surf forecast from 1 Sep 2026:

  • Best quality surf: Monday 7 Sep, 9AM (local time) - 7ft (2.1m), 10s period, S swell with offshore winds.
  • Most powerful swell: Sunday 6 Sep, 6PM (local time) - 8ft (2.5m), 10s period, S swell with 1,129 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 1 Sep, 3AM (local time) - 3.5ft (1.1m), 8s period with ESE swell.

Best Forecast Surf Conditions for Barrinha this week:

The surf forecast for Barrinha over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 01) at 3AM. The primary swell is predicted to be 1.1m and 8s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Barrinha in the next 16 days are 2.5m 10s and forecast to arrive on Sunday (Sep 06) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 8s period and expected on Saturday (Sep 05) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 1st Sep)3.5ft (1.1m) 8s
Best Surf 9AM (Mon 7th Sep)7ft (2.1m) 10s
Most Powerful 6PM (Sun 6th Sep)8ft (2.5m) 10s

Table - best surf conditions forecast for Barrinha over the next 16 days.


The Lowdown

G’day, Rusty here. It’s been a bit of a slow start at Barrinha, but hold onto your board—there’s some serious juice coming through if you’re patient.

Right now, the first few days are a mixed bag. Tuesday morning is small and ordinary with a messy 5ft from the ESE and a short 8-second period, plus a moderate breeze from the WSW (25 km/h). The whole swell energy is only 264—weak. Tuesday afternoon picks up a bit to 7ft, but it’s from the SSE with a short 7-second period, and there’s a risk of thunderstorms. Not worth paddling out for. The real pick-me-up arrives Wednesday morning, 2nd September: a clean 7ft from the SE with a solid 9-second period, good cross-offshore wind at 10 km/h from the SW, and combined energy of 668. Conditions are “very good”—that’s your first real standout. The water temp is about average for this time of year, nothing wild.

The rest of this first week fades fast. Thursday and Friday see the swell drop to 4ft and smaller, with onshore winds straight from the N and NNE making it choppy as hell. By Saturday, it’s down to 3ft from the S, but only 8-second period and just 112 energy—barely surfable. Saturday afternoon and Sunday are still marginal, with the swell trying to build again but the quality isn’t there yet.

Then, Monday morning, 7th September—holy moly. The swell jumps to 7ft from the S with a 10-second period, clean offshore wind from the SW at just 15 km/h, and combined energy of 1478—strong, punchy stuff. The rating screams “excellent for experienced surfers.” This is a standout session: steep, fast, and powerful. It’s a bit much for beginners, but if you know what you’re doing, get out there. The crowds at Barrinha are “sometimes” busy, so you might have company, but it’s worth it.

Tuesday morning, 8th September is another gem: 6ft from the SSE, 11-second period (that’s a nice groundswell), and glassy conditions—wind is almost nil from the ESE at 5 km/h. Energy is 718, moderate to strong. That’s a clean, lined-up session for everyone intermediate and above. The swell size is manageable and the glassy surface will make it smooth as butter.

There’s a lull from the 9th to the 11th—the swell drops to tiny (1.0ft to 0.7ft) with onshore winds and choppy junk. Not worth looking at.

But the second week fires up big time. Saturday morning, 12th September: 7ft from the S, 11-second period, glassy again with wind from the SW at only 5 km/h, and energy of 1274—strong. This is “very good” conditions. The standout, though, is Saturday afternoon: 8ft from the S, 12-second period, combined energy of 1802, and only a light breeze. This is thick, powerful, and for experts only. Sunday morning, 13th September, pushes it even further: 8ft from the S with a long 13-second period, energy of 2572—very strong. That’s a big, heavy groundswell. It’ll be epic at this fairly exposed spot, but the long period means the sets will be widely spaced. If you’re on a point or reef you’ll love it; at a beach break, watch for it to close out.

Monday morning, 14th September is still solid at 7ft from the SSE, 12-second period, clean offshore from the SW, with 1102 energy. A good follow-up session. After that, from the 15th onward, the winds turn onshore from the NE and the swell drops fast—down to 3ft on Tuesday afternoon and 2ft by Wednesday, with strong winds making it messy. That’s the end of the run.

So, in short: the first few days are a write-off. The best on offer is Monday morning, 7th September (big, clean, offshore) and Saturday afternoon, 12th September (huge, glassy, powerful). If you can only pick one, go the Saturday afternoon for raw energy and a long-period groundswell. Just be ready for a serious paddle.

Rusty.

Short Range Forecast

Heavy rain (total 34mm), heaviest during Mon night. Warm (max 22°C on Thu morning, min 13°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 6mm), mostly falling on Fri night. Very mild (max 18°C on Fri morning, min 11°C on Sat night). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
2
3
1
0
0
0
1
0
0
1
1
0
1
1
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
ESE
8
1.5
ESE
8
2.1
SSE
7
2.2
SE
8
2
SE
9
1.8
SE
10
1.6
SE
10
1.3
SE
11
1.1
SE
11
0.9
SE
11
0.6
SE
10
0.6
SE
10
0.8
S
6
0.9
S
8
1.1
S
8
1.2
S
8
1.6
S
8
2.4
S
9
2.2
S
9
Wave Graph
Metric surfscale
Energy kJ
212
260
385
665
668
640
538
361
286
187
87
64
39
97
173
185
290
998
753
Wind (km/h)
15
NNE
25
WSW
20
SSW
15
WSW
10
SW
10
SE
20
N
20
N
25
NNE
10
N
25
SSW
20
S
10
SW
15
SSW
15
SSW
15
SW
20
SW
25
S
15
SW
Wind State
cross-on
off
cross-off
off
cross-off
cross
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
3:40AM0.67m
3:55PM0.52m
10:23PM0.25m
4:21AM0.61m
4:16PM0.47m
11:17PM0.27m
5:09AM0.54m
4:34PM0.42m
11:46PM0.30m
6:19AM0.45m
00:12AM0.32m
12:31PM0.69m
00:35AM0.35m
1:10PM0.74m
00:51AM0.39m
Low Tide
10:20PM0.24m
11:25AM0.22m
8:38PM0.25m
9:00AM0.38m
12:42PM0.32m
8:31PM0.23m
8:18AM0.43m
2:21PM0.39m
8:45PM0.21m
7:57AM0.44m
9:04PM0.22m
3:27AM0.21m
9:23PM0.26m
4:42AM0.13m
9:19PM0.31m
rain showers
light rain
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
light rain
light rain
cloud
clear
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:26
6:26
6:24
6:24
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
6:00
6:01
6:01
6:02
 mm
29
3
2
1
4
1
Temp °C
18
18
18
16
18
17
15
22
22
17
18
17
15
14
15
14
15
13
12
Feels °C
20
15
16
14
16
16
14
19
19
15
16
14
13
12
12
11
10
8
7
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Barrinha Surf forecast

The above surf forecast table for Barrinha provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barrinha can be found by selecting the local surf guide option on the grey menu. Our Barrinha 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 (Barrinha) 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 Barrinha 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.

Barrinha is 17 km (11 miles) from Imbituba. If you plan a holiday in Santa Catarina - Sul, look for hotels and other accommodation in Imbituba. Imbituba has rooms for a wide range of budgets as well as car hire and transport links.

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