Surf Forecasts:
Molhes de Mampituba surf forecast from 11 Aug 2026:
- Best quality surf: Tuesday 11 Aug, 3AM (local time) - 6ft (1.8m), 12s period, SSE swell with glassy winds.
- Most powerful swell: Thursday 13 Aug, 9AM (local time) - 6ft (1.9m), 14s period, SSE swell with 1,344 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 3AM (local time) - 6ft (1.8m), 12s period with SSE 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 Tuesday (Aug 11) at 3AM. The primary swell is predicted to be 1.8m and 12s period with a secondary swell of 0.3m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Molhes de Mampituba in the next 16 days are 1.9m 14s and forecast to arrive on Thursday (Aug 13) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Wednesday (Aug 12) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 11th Aug) | 6ft (1.8m) 12s |
| Best Surf | 3AM (Tue 11th Aug) | 6ft (1.8m) 12s |
| Most Powerful | 9AM (Thu 13th Aug) | 6ft (1.9m) 14s |
Table - best surf conditions forecast for Molhes de Mampituba over the next 16 days.
The Lowdown
G'day, Rusty here. So, what's the story for the next couple of weeks? All the action is based around Molhes de Mampituba, a river-mouth break that's been getting some decent pulses of groundswell. This spot is fairly consistent, so when the wind plays ball, it's a beauty.
The first real shot is Tuesday the 11th of August. We're lookin' at a clean 6ft of SSE groundswell, with a 12-second period that's got a heap of grunt (875). That early wind is glassy offshore from the NNW, so the sets are gonna be smooth. After lunch, a light cross-off breeze keeps it just as tidy and around 6ft (893 energy). For an intermediate surfer, this is a very nice start.
Wednesday the 12th keeps the same vibe. We got a solid 5ft of SSE groundswell, still with that long 12-second period and a light cross-off wind. Energy is still pumpin' at 745, and conditions are clean.
Thursday the 13th is a skip. We get a nasty SE onshore wind makin' a mess of the 6ft swell.
The absolute standout, the one to circle on the calendar, is Friday the 14th of August. Early morning dishes up a beautiful 5ft of SSE groundswell, but the period stretches out to 14 seconds and the energy is a strong 1065. The wind is a light offshore breath from the NNW. This is prime rivermouth surfing – long lines, heaps of power, and no bumps in the water. This is as good as it gets on this run, even if the crowd can be a bit of a problem. It's surf you'll be talkin' about.
Saturday the 15th is forgettable. Swell drops off and the period goes short to 8 seconds. Not worth the wet suit.
Sunday the 16th and Monday the 17th give us some fun options. The swell hangs around 5ft to 6ft from the east, and while the period stays short (8 seconds), the wind turns offshore or goes completely glassy. Monday morning in particular will be dead flat calm, and the river mouth will have some nice, clean, fat waves to play on (516 energy).
After Monday, things get quiet. We're lookin' at small swell and choppy conditions. That string of poor, weak surf lasts for a good 4 or 5 days. Thursday the 20th afternoon has a brief respite with a clean cross-off wind and a 4ft swell, but it's nothing special.
Then on Tuesday the 25th of August, we see another big push of groundswell from the SSE. The period is up at 14 seconds and the energy is massive at 1304, but the wind is a messy cross-onshore. The potential is there for a heavy, lumpy wave if you're keen, but the conditions won't be picture perfect.
The run wraps up Wednesday the 26th with a 6ft SSE swell and a 12-second period (819 energy), but it's got a light cross-shore ripple on it. It's a looker, but not quite the glass we had in the first week.
Rusty.
Short Range ForecastHeavy rain (total 53mm), heaviest during Thu afternoon. Very mild (max 16°C on Thu morning, min 11°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 50mm), heaviest during Sun morning. Warm (max 21°C on Sun morning, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 14 | SSE 13 | SSE 12 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 1137 | 861 | 887 | 918 | 725 | 718 | 1158 | 1344 | 632 | 476 | 920 | 852 | 361 | 331 | 331 | 291 | 326 | 470 | 672 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | cross-off | cross-off | cross-off | cross-off | cross | on | cross-on | cross | cross-off | cross-on | cross | cross | cross-on | cross-off | cross-off | cross-off | cross |
High Tide | 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 | 7:24AM0.21m | 2:33PM0.46m | 8:43PM0.29m | |||||
Low Tide | 00:54AM0.24m | 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 | 6:30AM0.21m | 6:05PM0.20m | |||
 |  | |  |  |  | |  | |  | | | |  | | | | | | |
 | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — |
 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — |
mm | — | — | — | 2 | 5 | 2 | 1 | 12 | 31 | 24 | 4 | 3 | 3 | — | — | — | 12 | 4 | — |
Temp °C | 13 | 13 | 13 | 12 | 11 | 13 | 15 | 16 | 16 | 17 | 18 | 18 | 18 | 20 | 20 | 19 | 21 | 20 | 19 |
Feels °C | 10 | 10 | 10 | 10 | 9 | 12 | 13 | 13 | 14 | 17 | 19 | 19 | 19 | 21 | 21 | 22 | 23 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 14 | SSE 14 | SE 8 | SE 7 | SSE 14 | SSE 13 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 |
| kJ | 1137 | 861 | 887 | 918 | 725 | 718 | 1158 | 1344 | 388 | 206 | 920 | 852 | 254 | 331 | 331 | 291 | 326 | 287 | 443 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 5 | ENE 6 | NE 6 | SSE 13 | SSE 13 | ESE 7 | ESE 7 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 16 | 14 | 6 | 6 | 6 | 11 | 23 | 9 | 632 | 476 | 140 | 102 | 361 | 205 | 153 | 104 | 56 | 57 | 32 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 7 | ENE 6 | — | — | — | NNE 6 | NNE 6 | — | NE 6 | — | — | — | — | E 14 |
| kJ | — | — | — | — | — | 1 | 49 | — | — | — | 3 | 3 | — | 15 | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 8 | NE 4 | ENE 5 | — | — | NE 6 | — | NE 6 | — | — | — | — | — | — | E 8 | ENE 8 |
| kJ | — | — | — | 10 | 14 | 19 | — | — | 8 | — | 5 | — | — | — | — | — | — | 470 | 672 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 43 | 141 | 127 | 0 | 127 | 32 | 32 | 156 | 0 | 0 | 0 | 156 |
Best forecast wave conditions in Rio Grande Do Sul | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
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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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