Molhes de Mampituba Surf Break

Lat Long: 29.40° S 49.77° W

Molhes de Mampituba Surf Forecast and Surf Report

Issued: 2 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Molhes de Mampituba sea temperature is
19.1° C
1.9° 

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 9 Aug 2026:

  • Best quality surf: Tuesday 11 Aug, 12AM (local time) - 6ft (1.9m), 12s period, SSE swell with glassy winds.
  • Most powerful swell: Monday 10 Aug, 3PM (local time) - 7.5ft (2.3m), 12s period, S swell with 1,444 kJ wave energy.
  • Next surfable swell (1★+): Monday 10 Aug, 12AM (local time) - 5ft (1.6m), 12s 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 (Aug 10) at 12AM. The primary swell is predicted to be 1.6m and 12s period with a secondary swell of 0.3m 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 2.3m 12s and forecast to arrive on Monday (Aug 10) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Aug 16) at 12PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 10th Aug)5ft (1.6m) 12s
Best Surf12AM (Tue 11th Aug)6ft (1.9m) 12s
Most Powerful 3PM (Mon 10th Aug)7.5ft (2.3m) 12s

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


The Lowdown

Alright folks, Rusty here. Let’s have a good look at what’s on the cards for the local stretch around Molhes de Mampituba. It’s a bit of a mixed bag, but we’ve got a couple of windows to get excited about.

First up, the water is sitting at 66°F right now, which is a touch warmer than normal for this time of year. That’s a nice little bonus for the early sessions.

The week starts off a bit messy. Sunday afternoon the 9th is a write-off – we’ve got a solid 7ft of south swell, but the wind is a cross-on mess and the energy is all over the place (1624). Not worth paddling out for. Monday the 10th isn’t much better with a similar story and a bit more size. You’re better off sitting this one out.

Now, the first real standout kicks off on Tuesday the 11th. The swell drops to a punchy 6ft from the SSE, period is a lovely 12 seconds, and the wind goes light and cross-off. That’s clean. The combined energy is still moderate (929), but the quality is there. Tuesday morning and afternoon are both looking good. Wednesday the 12th keeps that same vibe – 5ft, clean, cross-off winds. Warmer water, clean lines. This is the best of the week by a long shot. The break is a river/jetty setup, so it handles this kind of groundswell well.

Thursday the 13th is a step down. The swell is still around 5ft to 6ft, and the period stretches to 14 seconds, which is a solid groundswell, but the wind is a bit more variable. It’s a marginal call, but not a total loss. Friday the 14th drops in size and gets messy with cross-on wind. Saturday the 15th is tiny and glassy in the morning, with just 3ft – a fun little board option if you’re desperate.

Sunday the 16th through Monday the 17th sees a pulse of short-period easterly swell (8 seconds), around 5ft to 6ft. The wind is cross-off, so it’s clean, but the period is short. It’ll be a bit fat and won’t have the same punch as the earlier SSE swell. Tuesday the 18th and Wednesday the 19th are small and grotty. Don’t bother.

Thursday the 20th has a surprise – dead calm, glassy conditions and a little 4ft east-northeast swell. It’s not going to be epic, but if you want a glassy session on a small board, that’s your window. The energy is weak (276). After that, Friday through Saturday the 22nd is a total write-off with tiny, choppy junk.

But then, hold onto your board. Sunday the 23rd and Monday the 24th look promising. Sunday morning brings a new 5ft south swell with a 13-second period, clean cross-off winds, and moderate energy (768). That’s a solid, quality wave. Monday the 24th keeps it going with 6ft from the SSE, 12 seconds, and clean again. The winds hold cross-off into the morning. This is the second standout window, and it’s a long-range call, so keep your fingers crossed that the forecast holds.

Overall, the pick of the 16 days is Tuesday the 11th through Wednesday the 12th. That SSE swell with light offshore winds is the one. The late run on the 23rd and 24th is a close second, but it’s further out there.

Rusty.

Short Range Forecast

Light rain (total 5mm), mostly falling on Tue night. Very mild (max 15°C on Sun afternoon, min 10°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 24mm), heaviest during Thu morning. Very mild (max 19°C on Thu afternoon, min 13°C on Wed afternoon). Wind will be generally light.

Sun
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
3
2
1
4
3
3
3
3
3
3
3
2
3
2
2
2
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
S
10
1.6
S
12
1.9
S
12
2.3
S
12
1.9
SSE
12
1.8
SSE
12
1.8
SSE
12
1.7
SSE
12
1.6
SSE
12
1.6
SSE
12
1.7
SSE
14
1.7
SSE
14
1.6
SSE
13
1.5
SSE
12
1.1
SSE
14
1.2
SSE
13
1
SSE
12
0.9
SSE
11
0.8
SSE
11
1.4
SE
8
Wave Graph
Metric surfscale
Energy kJ
955
748
1039
1444
1137
916
887
824
725
701
1083
1095
880
666
500
499
298
198
150
241
Wind (km/h)
20
S
10
WSW
20
SW
20
S
0
SW
10
NNW
10
NNE
5
NNW
10
N
10
NNE
10
NE
5
SW
15
NNE
10
NNE
10
S
5
SSE
5
NNW
5
SSW
5
S
10
N
Wind State
cross-on
cross-off
cross
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-on
on
glassy
glassy
cross-on
cross-off
High Tide
2:11AM0.28m
3:03PM0.68m
9:35PM0.32m
4:00PM0.65m
10:52PM0.40m
4:57PM0.60m
11:45PM0.49m
1:32PM0.39m
00:32AM0.56m
1:40PM0.40m
6:51PM0.44m
2:04PM0.43m
7:47PM0.36m
Low Tide
11:10PM0.19m
6:23AM0.01m
8:00PM0.30m
7:14AM-0.05m
8:17PM0.32m
7:59AM-0.08m
8:43PM0.33m
8:40AM-0.09m
2:29PM0.38m
9:11PM0.33m
9:20AM-0.05m
4:00PM0.33m
9:40PM0.31m
9:58AM0.00m
5:07PM0.26m
10:10PM0.28m
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
cloud
mod rain
light rain
mod rain
cloud
cloud
rain showers
part cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:56
6:54
6:54
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:51
5:52
5:52
5:52
5:53
5:53
5:54
 mm
3
2
2
9
2
9
2
3
Temp °C
15
12
12
13
12
12
13
11
12
13
15
17
19
18
17
17
16
17
17
17
Feels °C
9
9
7
8
10
9
10
9
9
11
15
16
18
20
18
18
18
18
17
18
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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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