Surf Forecasts:
Molhes de Mampituba surf forecast from 2 Sep 2026:
- Best quality surf: Wednesday 2 Sep, 9PM (local time) - 5.5ft (1.7m), 11s period, SE swell with cross-offshore winds.
- Most powerful swell: Wednesday 9 Sep, 9PM (local time) - 8ft (2.4m), 8s period, ENE swell with 745 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 9PM (local time) - 5.5ft (1.7m), 11s period with SE 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 Wednesday (Sep 02) at 9PM. The primary swell is predicted to be 1.7m and 11s period with a secondary swell of 0.5m and 10s. 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 2.4m 8s and forecast to arrive on Wednesday (Sep 09) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Monday (Sep 07) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Wed 2nd Sep) | 5.5ft (1.7m) 11s |
| Best Surf | 9PM (Wed 2nd Sep) | 5.5ft (1.7m) 11s |
| Most Powerful | 9PM (Wed 9th Sep) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Molhes de Mampituba over the next 16 days.
The Lowdown
G'day, Rusty here. We've got a bit of a slow start on our hands at Molhes de Mampituba, but there are some proper windows of clean surf if you're patient. The water's sitting at 63°F with an anomaly of -0.4°F, so about average for this time of year.
The first real glimmer of hope comes Thursday morning, the 3rd of September. It's not massive, but a 5ft swell from the SE with an 11-second period and glassy conditions – that's a serious treat. The water will be dead flat, no wind ripples. The combined energy is moderate at 548. It's a river/jetty setup, so that longer period groundswell should wrap in nicely. Just a heads up, crowds are often here, so get in early.
Friday the 4th and Saturday the 5th are a write-off with poor conditions and onshore winds. Sunday the 6th looks messy too, with strong cross-shore winds and a lumpy sea state.
Then we get a nice run. Monday morning, the 7th of September, has a clean 4ft S swell with an 11-second period. The wind is light offshore from the WNW, so the faces will be clean. The energy is moderate at 403. Then Tuesday morning, the 8th of September, is a standout with a 4ft SSE swell and a clean offshore breeze from the NNE. The combined energy bumps up to 619, so there's a bit more push. And Wednesday morning, the 9th, keeps the run going with a 5ft swell from the ENE and light offshore winds. The energy is moderate at 534.
After a bit of a lull with onshore winds and smaller surf through the 10th to the 12th, the following week has some promise. Sunday morning, the 13th of September, brings clean 4ft ENE swell with a light offshore. Monday morning the 14th is similar but smaller at 3ft.
But the real standout in this entire 16-day window is Thursday morning, the 17th of September. This is the one for the experienced crew. We're looking at a solid 7ft swell from the S with a 10-second period. The combined energy is strong at 1181. And the best part – light offshore winds from the NNE keeping it clean. That's proper surf. At 7ft, it's a bit much for beginners, so this one's for the lads and lasses who know what they're doing.
The afternoon of the 17th drops off a bit with a cross-shore wind and marginal conditions. Wednesday morning the 16th has a clean 3ft S swell with an 11-second period and light offshore wind – a nice little finisher to the period if you missed the earlier windows.
Overall, there's a few sessions to get excited about, but Thursday the 17th is the one to circle on the calendar.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 12°C on Wed night). Winds increasing (calm on Thu morning, fresh winds from the SSW by Thu night). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Sun afternoon, min 8°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun afternoon, calm by Mon night). | |||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
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) | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | S 9 | S 8 | S 8 | S 8 | S 10 | S 9 | S 10 | S 11 | SSE 10 | SSE 10 | SSE 9 | E 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 592 | 582 | 431 | 303 | 140 | 87 | 50 | 146 | 136 | 116 | 88 | 90 | 439 | 371 | 389 | 523 | 506 | 280 | 173 | 338 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | glassy | cross | cross | cross-on | cross-on | glassy | cross | cross-on | cross-off | cross | cross | cross-off | cross-off | cross-on | cross-off | cross-off | cross | cross-off |
High Tide | 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 | 12:59PM0.67m | 1:02AM0.30m | 1:49PM0.67m | 1:34AM0.30m | 2:39PM0.64m | 9:36PM0.36m | |||
Low Tide | 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 | 3:49AM0.12m | 9:48PM0.16m | 5:03AM0.06m | 10:49PM0.24m | 6:03AM-0.01m | 7:13PM0.32m | |||||
 |  | | |  |  | |  |  | | | | | | | | | | | | |
 | — | — | 6:31 | — | — | 6:31 | — | — | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — |
 | 6:04 | — | — | 6:05 | — | — | 6:05 | — | — | 6:06 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 22 | 23 | 21 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 15 | 10 | 12 | 13 | 12 | 14 | 16 | 14 |
Feels °C | 13 | 12 | 20 | 22 | 21 | 10 | 12 | 12 | 10 | 10 | 11 | 7 | 7 | 4 | 8 | 9 | 11 | 10 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 11 | SE 11 | SE 11 | ENE 8 | SE 10 | S 6 | S 9 | S 8 | ENE 8 | S 8 | S 10 | ENE 8 | S 10 | S 11 | SSE 10 | SSE 10 | E 6 | SSE 9 | E 7 |
| kJ | 592 | 582 | 431 | 303 | 88 | 87 | 49 | 146 | 136 | 57 | 88 | 90 | 22 | 371 | 389 | 523 | 506 | 119 | 154 | 205 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | E 9 | ENE 5 | ENE 8 | SE 11 | ENE 8 | SE 10 | ENE 8 | ENE 9 | SE 10 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | SSE 9 | S 16 | SSE 9 |
| kJ | 18 | 43 | 15 | 75 | 140 | 37 | 50 | 38 | 58 | 17 | 51 | 34 | 22 | 13 | 11 | 11 | 11 | 280 | 5 | 116 |
Swell 3 Height (m) Direction Period (s) | — | S 8 | ENE 9 | S 7 | — | — | ENE 8 | SE 10 | SE 10 | S 15 | SE 10 | SE 9 | — | — | SE 9 | — | — | — | — | SSE 11 |
| kJ | — | 1 | 26 | 1 | — | — | 26 | 37 | 17 | 4 | 16 | 21 | — | — | 3 | — | — | — | — | 43 |
Wind waves Height (m) Direction Period (s) | — | NNE 3 | NE 6 | NE 8 | SSW 3 | S 5 | — | — | — | S 8 | — | SSW 5 | S 9 | WSW 3 | W 4 | — | ENE 8 | E 7 | E 7 | ENE 7 |
| kJ | — | 3 | 76 | 151 | 8 | 31 | — | — | — | 116 | — | 40 | 439 | 3 | 13 | — | 12 | 220 | 173 | 338 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 128 | 32 | 0 | 84 | 127 | 53 | 157 | 0 | 128 | 128 | 0 | 128 | 157 | 0 | 0 | 157 | 0 | 0 | 247 | 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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