Molhes de Mampituba Surf Break

Lat Long: 29.40° S 49.77° W

Molhes de Mampituba Surf Forecast and Surf Report

Issued: 8 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Molhes de Mampituba sea temperature is
17.5°C
0.1° 

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


Molhes de Mampituba surf forecast from 30 Aug 2026:

  • Best quality surf: Tuesday 1 Sep, 12AM (local time) - 8ft (2.5m), 8s period, E swell with cross-offshore winds.
  • Most powerful swell: Sunday 6 Sep, 3AM (local time) - 8ft (2.5m), 10s period, S swell with 1,460 kJ wave energy.
  • Next surfable swell (1★+): Monday 31 Aug, 9PM (local time) - 6ft (1.9m), 8s period with E swell.

Best Forecast Surf Conditions for Molhes de Mampituba this week:

The surf forecast for Molhes de Mampituba over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 31) at 9PM. The primary swell is predicted to be 1.9m and 8s period with a secondary swell of 0.1m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Molhes de Mampituba in the next 16 days are 2.5m 10s and forecast to arrive on Sunday (Sep 06) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Thursday (Sep 03) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 31st Aug)6ft (1.9m) 8s
Best Surf12AM (Tue 1st Sep)8ft (2.5m) 8s
Most Powerful 3AM (Sun 6th Sep)8ft (2.5m) 10s

Table - best surf conditions forecast for Molhes de Mampituba over the next 16 days.


The Lowdown

Alright, Rusty here again, giving you the scoop for Molhes de Mampituba. It's a river and jetties spot, and the next couple of weeks are a real mixed bag.

Don't get too excited for the first few days. We've got rain, sloppy winds, and weak little waves to start. The energy is low, around 135 on Sunday, so it's not worth paddling out.

The first decent chance comes up on Tuesday, September 1st. There'll be some chest-high swell, around 7ft from the east, with a 9-second period. The wind will be light and cross from the SSW, and the energy bumps up to 635. It's a bit rough, but it's better than nothing.

The first real gem I see is Wednesday, September 3rd. The morning is gonna be clean, real clean. Light offshore winds from the NNE and a nice 4ft swell from the ESE with a 10-second period. The combined energy is a solid 328. That's a good window. The water temp is about normal for the year.

After that, things get messy again with onshore winds until the 7th of September. There's another clean window that Monday morning with 5ft of SE swell and light offshore winds, but it gets blown out later.

Heading into the second week, you get another clean morning on Friday, September 11th, with a 4ft SSE swell and light offshore breezes. A quiet option.

But the main event, the one you need to keep in mind, is Monday, September 14th. The forecast shows a glassy morning. Absolutely no wind. The swell is a solid 6ft from the ENE with a 9-second period, and the combined energy is pumping at 927. That's going to be a proper session. Clean, powerful, and fun. It'll be too big for beginners, but for everyone else, this is the day to be there.

The spot does get crowded, so be there early.

To sum it up, there are a few decent windows, but that 14th of September is your best bet by a long shot.

Rusty.

Short Range Forecast

Heavy rain (total 114mm), heaviest during Sun night. Warm (max 20°C on Tue morning, min 14°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the SW by Tue afternoon).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Thu morning, min 12°C on Wed night). Wind will be generally light.

Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
4
2
0
0
3
1
2
2
0
2
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
E
8
1.1
E
8
1.5
E
8
1.6
E
7
1.7
E
8
2.5
E
8
1.9
E
9
1.8
ESE
9
1.7
ESE
9
1.6
ESE
9
1.4
ESE
9
1.3
ESE
10
1.1
SE
10
0.9
ESE
10
0.9
ENE
8
0.9
ENE
8
0.7
ENE
8
1.1
S
6
1.4
S
7
1.4
S
7
2.4
S
9
Wave Graph
Metric surfscale
Energy kJ
111
165
287
264
365
829
562
528
463
388
313
319
229
185
116
94
68
74
178
199
1000
Wind (km/h)
10
NE
25
E
20
NE
20
NE
20
ENE
5
N
5
SW
25
S
20
SW
10
WSW
10
SSE
15
N
10
NNE
15
ENE
5
W
20
SSW
20
SSW
15
SW
20
SSW
30
SSW
30
WSW
Wind State
cross
cross-on
cross-off
cross
cross
cross-off
cross
cross-on
cross
cross-off
cross-on
cross-off
cross-off
cross-on
cross-off
cross-on
cross-on
cross
cross
cross-on
cross-off
High Tide
2:13PM0.45m
6:46PM0.35m
2:34PM0.44m
8:00PM0.31m
8:01AM0.31m
2:58PM0.42m
9:06PM0.28m
3:21AM0.54m
3:23PM0.41m
10:05PM0.27m
4:04AM0.48m
3:48PM0.39m
10:57PM0.27m
4:51AM0.40m
4:04PM0.38m
11:44PM0.28m
5:50AM0.31m
12:08PM0.63m
00:25AM0.29m
Low Tide
9:46AM-0.02m
5:19PM0.33m
10:02PM0.21m
10:32AM0.05m
5:50PM0.25m
10:43PM0.20m
6:33AM0.29m
6:25PM0.18m
6:47AM0.30m
12:20PM0.23m
7:02PM0.11m
7:08AM0.29m
1:28PM0.31m
7:40PM0.08m
7:31AM0.29m
2:54PM0.37m
8:20PM0.07m
7:48AM0.27m
9:01PM0.10m
light rain
heavy rain
heavy rain
heavy rain
heavy rain
rain showers
rain showers
thunderstorm
rain showers
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
part cloud
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:35
6:33
6:33
6:31
6:31
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:02
6:04
6:04
6:05
6:05
6:06
 mm
3
23
33
11
22
9
1
11
1
3
Temp °C
17
16
16
16
17
17
20
17
16
16
16
14
18
18
18
15
15
14
15
16
11
Feels °C
17
13
15
14
16
18
19
14
12
14
14
12
16
16
18
12
11
12
10
9
5
  • Map Icons:
  • Break
  • 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 Molhes de Mampituba Surf forecast

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

Molhes de Mampituba is 8 km (5 miles) from Torres. If you plan a holiday in Rio Grande Do Sul, look for hotels and other accommodation in Torres. Torres has rooms for a wide range of budgets as well as car hire and transport links.

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