Molhes de Mampituba Surf Break

Lat Long: 29.40° S 49.77° W

Molhes de Mampituba Surf Forecast and Surf Report

Issued: 8 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Molhes de Mampituba sea temperature is
17.4°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 6 Sep 2026:

  • Best quality surf: Saturday 12 Sep, 6PM (local time) - 11ft (3.5m), 10s period, ESE swell with cross-offshore winds.
  • Most powerful swell: Saturday 12 Sep, 6PM (local time) - 11ft (3.5m), 10s period, ESE swell with 2,172 kJ wave energy.
  • Next surfable swell (1★+): Monday 7 Sep, 12AM (local time) - 5.5ft (1.7m), 10s period with S 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 (Sep 07) at 12AM. The primary swell is predicted to be 1.7m and 10s period with a secondary swell of 0.2m and 8s. 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 3.5m 10s and forecast to arrive on Saturday (Sep 12) 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 0.5m 4s period and expected on Tuesday (Sep 08) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 7th Sep)5.5ft (1.7m) 10s
Best Surf 6PM (Sat 12th Sep)11ft (3.5m) 10s
Most Powerful 6PM (Sat 12th Sep)11ft (3.5m) 10s

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


The Lowdown

Alright folks, Rusty here. Let’s get into it. We’ve got a 16-day window for Molhes de Mampituba, and it’s a bit of a mixed bag. The first few days are a write-off, so don’t bother paddling out until Monday the 7th.

The real standout is the run from Saturday the 12th through Monday the 14th. That’s where the magic is. Saturday morning the 12th is looking prime: a clean 7ft swell from the SE with a period of 9 seconds, and the energy is pumping at 986. The wind is glassy, so you’ll be looking at clean lines. The afternoon jumps up to 8ft, but the wind is cross-off, which keeps it rideable. The energy is strong at 1283. This is the best window for intermediate and advanced surfers.

Sunday the 13th is a beast, but it’s for experts only. The morning sees a 8ft SE swell, but the onshore wind is going to chop it up. By the afternoon, it’s a 10ft swell from the SE (1634 energy), but the file says it’s too big for this break, so I’d give it a miss unless you’re a local charging hard. Monday the 14th morning is similar – 10ft with cross-off wind, but again, too big for the spot. The afternoon of the 14th, however, is a gem: 8ft from the ESE, clean cross-off wind, and the energy is still strong at 1442. That’s excellent for experienced surfers.

Before that, Sunday the 6th is a skip. 8ft from the S with a short 9-second period and 12 mph cross-off wind, but it’s marginal. The afternoon is a no-go with 7ft and strong cross-shore wind. Monday the 7th morning is a nice surprise: 5ft from the SSE with a 10-second period, glassy wind, and good energy (375). That’s a solid morning session. The afternoon gets cross-on and messy.

Tuesday the 8th morning is clean with 4ft SSE swell and cross-off wind, but it’s small. The afternoon is a chop-fest. Wednesday the 9th morning is a glassy 3ft SSE swell with a long 11-second period. That’s a clean, small wave session for the longboard. Thursday the 10th morning is glassy again, but only 3ft from the SSE with a very long 15-second period. It’ll be clean, but that long period will make it break a bit straight at the jetties.

After the big swell window, Tuesday the 15th is still okay for the morning with 6ft from the SSW and cross-off wind, but it’s a bit marginal. Wednesday the 16th morning is back to glassy with 3ft SE swell and a long 11-second period. That’s a nice, clean small wave morning.

The final few days are a bit of a gamble. Saturday the 19th afternoon looks okay with 4ft from the ENE and glassy wind, but it’s a short 7-second period. Sunday the 20th morning is clean with 3ft from the E, but again, small. Monday the 21st morning has a 5ft E swell and cross-off wind, but it’s marginal.

For the water temp, it’s about average for this time of year, so don’t expect any surprises.

So, overall, the best bet is Saturday the 12th through Monday the 14th. Saturday morning is the pick for clean, fun waves. The afternoon of Monday the 14th is for the experienced crew. The rest of the window has some small, clean windows for the loggers, but nothing that’s going to get the heart racing.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 16°C on Tue morning, min 9°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 16mm), heaviest on Fri afternoon. Very mild (max 18°C on Wed morning, min 15°C on Tue night). Wind will be generally light.

Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
3
0
3
2
0
2
2
0
2
2
1
2
2
1
1
2
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)
0.7
S
8
2.5
S
9
2
S
9
1.7
S
10
1.4
SSE
10
1.5
SSE
10
1.4
SE
10
1.1
SSE
9
1
SSE
9
1.4
ENE
6
0.9
SSE
11
0.9
SSE
10
1
E
8
0.8
SSE
15
0.7
SSE
14
1.3
E
8
1
ENE
8
1.3
ESE
6
1.5
E
7
Wave Graph
Metric surfscale
Energy kJ
66
1018
700
550
370
416
392
197
161
156
202
177
134
300
195
219
133
106
225
Wind (km/h)
25
SSW
20
WSW
25
SSW
15
WSW
5
NNW
10
ESE
10
N
10
NNE
15
ENE
5
NNW
5
SW
10
S
5
N
5
SSW
10
SSE
5
NE
10
NNE
20
NE
10
N
Wind State
cross
cross-off
cross
cross-off
glassy
cross-on
cross-off
cross-off
cross
cross-off
glassy
cross-on
glassy
glassy
cross-on
cross
cross-off
cross-off
cross-off
High Tide
00:25AM0.29m
12:59PM0.67m
1:02AM0.30m
1:49PM0.67m
1:34AM0.30m
2:39PM0.64m
9:36PM0.36m
3:29PM0.58m
10:51PM0.45m
4:20PM0.50m
11:42PM0.52m
12:51PM0.41m
00:26AM0.58m
Low Tide
9:01PM0.10m
3:49AM0.12m
9:48PM0.16m
5:03AM0.06m
10:49PM0.24m
6:03AM-0.01m
7:13PM0.32m
6:52AM-0.05m
7:35PM0.30m
7:35AM-0.06m
8:03PM0.28m
8:15AM-0.04m
2:59PM0.37m
8:33PM0.25m
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
rain showers
light rain
light rain
heavy rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:26
6:26
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
6:06
6:07
6:07
6:07
6:07
6:08
 mm
2
1
2
11
17
Temp °C
14
12
12
10
12
13
12
16
16
17
18
18
16
18
18
18
18
18
19
Feels °C
11
6
5
5
10
10
9
13
13
16
16
17
16
18
19
20
19
17
20
  • 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 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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