Surf Forecasts:
Molhes de Mampituba surf forecast from 28 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 6PM (local time) - 10ft (3.0m), 10s period, S swell with cross-shore winds.
- Most powerful swell: Tuesday 1 Sep, 6PM (local time) - 10ft (3.0m), 10s period, S swell with 1,448 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 6AM (local time) - 7ft (2.1m), 8s period with ENE 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 Friday (Aug 28) at 6AM. The primary swell is predicted to be 2.1m and 8s period with a secondary swell of 1.6m and 9s. Another secondary swell of 0.7m and 12s is also forecast. 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 3.0m 10s and forecast to arrive on Tuesday (Sep 01) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Tuesday (Sep 01) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 28th Aug) | 7ft (2.1m) 8s |
| Best Surf | 6PM (Tue 1st Sep) | 10ft (3.0m) 10s |
| Most Powerful | 6PM (Tue 1st Sep) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Molhes de Mampituba over the next 16 days.
The Lowdown
Alright, let's talk about what's gonna be at Molhes de Mampituba in feet and miles per hour. This river/jetties spot gets exposed to the swell, so when it fires, it fires. We're looking at a run that's got a bit of everything – some total glass-offs, a couple of monster swells, and some real duds. The tide's looking about average for the year.
Friday morning, August 28th, we're starting hot. A 6ft swell from the ENE with moderate energy is being cleaned up by a light offshore breeze. This is a good start – the first session is a real score. The afternoon falls apart as the wind turns.
Saturday, August 29th, is a glass-off paradise. Both sessions are flat calm with 3ft waves from the East. The energy is weak, but if you've got a log, that clean surface is worth the paddle.
Sunday the 30th starts small and rainy, but the afternoon gets a 4ft ENE swell with moderate energy and a clean cross-off wind. A solid end to the weekend.
Alright, circle this one: Tuesday afternoon, September 1st. We're looking at a massive 10ft SSW groundswell with a very strong 3096 combined energy. The wind is cross-off. The report says it's too big for this break, so this is a pure expert's call. If you're not one, stay on the beach. If you are, this could be the one.
Wednesday morning, September 2nd, is the one for the rest of us. A solid 7ft SSE groundswell with moderate energy, and a glassy, cross-off wind. Clean and powerful. This is a standout.
We hit a lull for a few days with dropping waves and choppy conditions from the 3rd to the 8th. Not worth your time.
Next big one is Wednesday morning, September 9th. Glassy conditions with a 5ft East swell. Moderate energy, very clean. A good morning session.
But the standout of the second week is Thursday morning, September 10th. A solid 7ft SSW groundswell with strong energy (1475). The wind is a light cross-off, keeping it clean. The report says it's excellent for experienced surfers. This is your target for the second week. Make the dawn patrol. The afternoon gets blown out.
The rest of the run from the 11th on is small, windy, and messy.
So, the big takeaways: the first week's gems are Tuesday afternoon, September 1st (for experts only) and Wednesday morning, September 2nd. For the second week, lock in Thursday morning, September 10th. The rest is filler.
Rusty.
Short Range ForecastHeavy rain (total 110mm), heaviest during Sun night. Warm (max 21°C on Fri morning, min 17°C on Fri afternoon). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Mon morning. Very mild (max 19°C on Mon night, min 11°C on Tue night). Winds increasing (calm on Mon afternoon, fresh winds from the SW by Tue morning). | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
AM | PM | 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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | SSW 7 | S 9 | SSE 10 | SSE 10 | SSE 10 | S 9 | SSE 9 | SSE 9 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 300 | 212 | 180 | 115 | 115 | 115 | 105 | 186 | 294 | 429 | 388 | 284 | 302 | 1198 | 892 | 648 | 522 | 306 | 433 | 289 | 116 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | glassy | glassy | cross-off | glassy | glassy | cross-on | cross-on | glassy | cross | cross-off | cross | cross | cross | cross-on | cross-off | cross | on | cross-off |
High Tide | 2:04PM0.48m | 00:58AM0.56m | 2:00PM0.47m | 1:30AM0.58m | 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 | ||||
Low Tide | 8:49PM0.22m | 9:03AM-0.06m | 9:24PM0.21m | 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 | ||||
 |  |  | |  |  |  |  |  | | |  |  | |  | | | |  | | | |
 | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — |
 | — | 6:01 | — | — | 6:01 | — | — | 6:02 | — | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — | — | 6:05 | — |
mm | — | 1 | 5 | 5 | 1 | 6 | 9 | 28 | 55 | 3 | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 18 | 18 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 18 | 19 | 14 | 15 | 15 | 13 | 13 | 13 | 12 |
Feels °C | 23 | 17 | 19 | 20 | 21 | 18 | 19 | 20 | 19 | 19 | 21 | 18 | 11 | 13 | 9 | 12 | 12 | 11 | 11 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 8 | S 9 | SSE 10 | SSE 10 | SSE 10 | SE 10 | SSE 9 | SSE 9 | S 8 |
| kJ | 300 | 212 | 180 | 115 | 115 | 115 | 105 | 127 | 191 | — | 388 | 284 | 84 | 656 | 892 | 648 | 522 | 208 | 433 | 289 | 116 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SE 10 | SE 10 | SSE 10 | SSE 5 | S 6 | SSE 6 | SSE 6 | — | S 8 | SSE 7 | SE 7 | E 9 | ENE 10 | ENE 10 | ENE 10 | S 8 | ENE 9 | SE 9 | SE 10 |
| kJ | 84 | 46 | 27 | 25 | 9 | 21 | 25 | 29 | 33 | — | 1 | 47 | 9 | 36 | 32 | 34 | 33 | 90 | 16 | 20 | 35 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SSE 10 | SSE 10 | SE 9 | SE 9 | — | — | S 7 | SE 8 | — | — | — | — | ENE 10 | SE 9 | ENE 9 | ENE 9 |
| kJ | — | — | — | — | — | 9 | 9 | 3 | 3 | — | — | 1 | 20 | — | — | — | — | 30 | 3 | 16 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 4 | S 4 | — | — | E 8 | E 8 | E 7 | — | WSW 2 | SSW 7 | S 9 | — | — | — | S 9 | — | ENE 2 | ENE 5 |
| kJ | — | — | — | 3 | 2 | — | — | 186 | 294 | 429 | — | 1 | 302 | 1198 | — | — | — | 306 | — | 1 | 19 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 127 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 32 | 0 | 3 | 256 | 253 | 84 | 3 | 97 | 0 | 127 | 128 | 0 |
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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