Praia do Porto Surf Break

Lat Long: 28.22° S 48.66° W

Praia do Porto Surf Forecast and Surf Report

Issued: 8 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Praia do Porto sea temperature is
18.6°C
0.1° 

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


Praia do Porto surf forecast from 30 Aug 2026:

  • Best quality surf: Saturday 5 Sep, 9PM (local time) - 8ft (2.5m), 9s period, S swell with offshore winds.
  • Most powerful swell: Sunday 6 Sep, 12AM (local time) - 10ft (3.0m), 9s period, S swell with 1,331 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 3AM (local time) - 4ft (1.2m), 8s period with ENE swell.

Best Forecast Surf Conditions for Praia do Porto this week:

The surf forecast for Praia do Porto over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 3AM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.6m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Praia do Porto in the next 16 days are 3.0m 9s and forecast to arrive on Sunday (Sep 06) at 12AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Tuesday (Sep 01) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sun 30th Aug)4ft (1.2m) 8s
Best Surf 9PM (Sat 5th Sep)8ft (2.5m) 9s
Most Powerful12AM (Sun 6th Sep)10ft (3.0m) 9s

Table - best surf conditions forecast for Praia do Porto over the next 16 days.


The Lowdown

G’day, Rusty here. Let’s have a look at what’s coming our way at Praia do Porto. The next 16 days start off pretty average, but there’s a strong run of swell in the second week that’ll get the pulse going, though it’s gonna be a handful. The standout is crystal clear: you’ll want to be in the water early on Sunday, 6th September, when the stars align.

For the first week, it’s a mixed bag. Sunday morning the 30th August is glassy with a small 4ft ENE swell (185), but the energy is weak and the conditions are pretty ordinary. Monday the 31st pushes up to 8ft from the east (652-801), but with heavy rain and onshore winds, it’s not worth the effort. Tuesday morning the 1st September brings clear skies and glassy conditions again, with a 6ft ESE swell (493) and clean lines—a decent option for a beginner-friendly wave, but nothing to write home about.

Now, Wednesday morning the 2nd September is where it starts to get interesting. You’ve got an offshore wind from the SW, clean conditions, and a 5ft SE swell (846). The energy is moderate, the waves are clean, and it’s a solid choice for a quieter session.

But the real highlight lands on Sunday the 6th September. The morning session has a solid 10ft S swell at 11 seconds, with clean offshore wind from the SW (2496). The combined energy is strong, and the setup is excellent for experienced surfers. The afternoon pushes to 12ft at 13 seconds (3900), with a cross-offshore wind—still clean but the swell is gettin’ big. This is expert territory only, and the long period (11-13 sec) suggests better shaped waves and longer lulls, so pick your peak carefully. It’s a beach/jetty setup, so this size might be more interesting for kite surfing if the paddle-out looks too gnarly.

Monday the 7th September keeps the big stuff going: 12ft at 14 seconds (4467) in the morning, and 12ft at 16 seconds (6008) in the afternoon—very long period groundswell. The energy is very strong, but the wind is cross-offshore and the break is going to be charging. Again, experts only, and the long period will make it fat and fast at this beach break, so treat it with respect.

After that, the week tails off with onshore winds and poor conditions from the 8th to the 11th. There’s a brief glassy window on Saturday afternoon the 12th September with a small 5ft E swell (279), but the period is short at 6 seconds, so the waves will be a bit fat.

Overall, the standouts are Wednesday the 2nd September for a clean, moderate day, and Sunday the 6th September for the quality big swell. The water temp is about average for the time of year, so no surprises there. If the crowds show up (and they sometimes do at Praia do Porto), the good windows will still have plenty of waves to go around.

Stay safe, and I’ll see you in the water.

Rusty

Short Range Forecast

Heavy rain (total 131mm), heaviest during Mon night. Warm (max 22°C on Tue morning, min 16°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the SW by Tue afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Thu morning, min 12°C on Wed night). Winds decreasing (fresh winds from the SW on Tue night, calm by Wed night).

Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
0
1
2
1
2
1
1
3
2
1
0
0
0
1
1
1
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
ENE
8
1.1
ENE
8
1.1
E
8
2.1
E
7
2.3
E
8
2.3
E
8
2.1
E
8
1.8
ESE
8
1.7
ESE
8
2
SSW
6
1.4
SE
8
2.1
SSE
8
1.6
SE
8
1.2
SE
8
1.3
NE
9
1
SE
10
0.9
SE
10
1
NE
6
0.5
SE
10
Wave Graph
Metric surfscale
Energy kJ
211
167
161
445
652
681
581
448
389
292
274
601
349
196
260
192
142
77
45
Wind (km/h)
10
WSW
5
ENE
15
ENE
25
E
5
ENE
10
NE
15
ENE
5
W
15
SSW
30
SW
20
SW
15
S
10
N
20
NNE
25
NE
25
N
5
NNW
15
S
10
S
Wind State
cross-off
glassy
on
cross-on
on
on
on
glassy
cross-off
off
off
cross-off
cross-on
cross-on
on
cross-on
glassy
cross-off
cross-off
High Tide
3:24AM0.71m
3:53PM0.64m
3:56AM0.68m
4:21PM0.59m
4:33AM0.63m
4:52PM0.53m
5:25AM0.57m
5:35PM0.47m
6:39AM0.51m
6:33PM0.41m
7:46AM0.45m
12:17PM0.43m
7:27PM0.37m
Low Tide
9:12AM0.03m
9:11PM0.14m
9:35AM0.09m
9:19PM0.16m
9:52AM0.17m
9:21PM0.17m
9:45AM0.25m
9:29PM0.19m
9:32AM0.32m
1:18PM0.31m
9:46PM0.21m
9:17AM0.38m
4:12PM0.30m
rain showers
part cloud
rain showers
heavy rain
heavy rain
heavy rain
rain showers
clear
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:30
6:28
6:28
6:26
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:59
6:00
6:00
6:00
6:00
6:01
 mm
4
2
34
23
25
42
1
11
Temp °C
18
20
18
18
18
19
18
22
21
16
18
17
14
21
21
15
20
20
16
Feels °C
19
20
17
18
20
20
19
22
21
10
14
14
15
17
17
11
18
19
15
  • 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 Praia do Porto Surf forecast

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

Praia do Porto is 2 km (1 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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