Surf Forecasts:
Molhes de Mampituba surf forecast from 31 Aug 2026:
- Best quality surf: Monday 31 Aug, 9PM (local time) - 6.5ft (2.0m), 8s period, E swell with glassy winds.
- Most powerful swell: Tuesday 1 Sep, 12AM (local time) - 7.5ft (2.3m), 8s period, E swell with 600 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 9PM (local time) - 6.5ft (2.0m), 8s period with E 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 31) at 9PM. The primary swell is predicted to be 2.0m and 8s period with a secondary swell of 1.6m and 7s. 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 2.3m 8s and forecast to arrive on Tuesday (Sep 01) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Thursday (Sep 03) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 31st Aug) | 6.5ft (2.0m) 8s |
| Best Surf | 9PM (Mon 31st Aug) | 6.5ft (2.0m) 8s |
| Most Powerful | 12AM (Tue 1st Sep) | 7.5ft (2.3m) 8s |
Table - best surf conditions forecast for Molhes de Mampituba over the next 16 days.
The Lowdown
Howdy, Rusty here. Let’s talk surf for Molhes de Mampituba in feet and knots. We’ve got a mixed bag, but there’s some solid windows if you’re patient.
Monday 31 August morning – small and clean with a light cross-off breeze from the NE at 6 knots. Swell is about 4ft from the east at 8 seconds, moderate energy (186). Not bad for a quick paddle. That afternoon goes cross-on and gets marginal.
Tuesday and Wednesday mornings (1–2 September) stay poor with onshore winds, but Wednesday 2 September morning breaks the pattern – clear skies, light cross-off from the WSW at 3 knots, swell around 5ft from the ESE at 9 seconds. Clean and surfable.
Thursday 3 September morning is another clean one – 4ft from the ESE at 10 seconds, glassy with a light north breeze at 3 knots.
Friday through Sunday (4–6 September) are all onshore and choppy – skip ’em.
Monday 7 September morning is the absolute best. Glassy conditions with a westerly breeze, 4ft swell from the SSE with a long 13-second period, strong energy (571). That’s groundswell, so the waves will have real shape and power. This is your gold window.
Tuesday 8 September – swell up to 6ft from the SE, period drops to 8 seconds. Morning clean with a cross-off from the NNE at 6 knots.
Wednesday 9 September morning – heavy. 8ft from the ENE at 8 seconds, very strong energy (1576). Clean offshore from the north at 9 knots, but this is expert only – too big for beginners.
The swell stays around 7-7ft on Thursday 10 September from the east at 10 seconds, still clean but with fresh winds by afternoon. Friday (11 Sep) goes onshore again.
Saturday 12 September morning – glassy, 4ft from the east at 10 seconds. Clean and easy.
Tuesday 15 September morning – glassy again, 6ft from the ENE at 7 seconds, moderate to strong energy (570). Short period but clean.
Standout is Monday 7 September morning – glassy, long period groundswell. For the big wave crew, Wednesday 9 September morning is the one – just know your limits.
Water temp is 62°F, about a degree cooler than average – nothing wild.
Rusty
Short Range ForecastHeavy rain (total 45mm), heaviest during Mon afternoon. Very mild (max 17°C on Mon morning, min 12°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Sat morning. Warm (max 20°C on Thu morning, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
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) | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ENE 8 | ENE 8 | S 5 | ENE 8 | S 7 | S 8 | S 8 | S 8 | S 8 | S 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 161 | 349 | 600 | 402 | 376 | 354 | 397 | 419 | 353 | 294 | 192 | 113 | 73 | 51 | 51 | 73 | 84 | 217 | 235 | 169 | 432 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | off | cross-on | cross-on | glassy | on | cross-on | cross | cross | cross-on | cross-off |
High Tide | 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 | 4:51AM0.40m | 4:04PM0.38m | 11:44PM0.28m | 5:50AM0.31m | 12:08PM0.63m | 00:25AM0.29m | 12:59PM0.67m | 1:02AM0.30m | ||
Low Tide | 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 | 7:31AM0.29m | 2:54PM0.37m | 8:20PM0.07m | 7:48AM0.27m | 9:01PM0.10m | 3:49AM0.12m | 9:48PM0.16m | |||
 |  |  | |  |  |  | | | | | |  |  |  | | |  | | | | |
 | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — | — | 6:05 | — | — | 6:05 | — | — | 6:06 | — | — | 6:06 | — |
mm | 3 | 17 | 11 | 12 | 2 | — | — | — | — | — | — | — | — | — | — | 3 | 2 | — | — | — | — |
Temp °C | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 14 | 20 | 20 | 19 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 12 |
Feels °C | 17 | 18 | 19 | 16 | 14 | 14 | 15 | 14 | 12 | 19 | 18 | 19 | 11 | 12 | 13 | 13 | 12 | 11 | 9 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ENE 8 | ENE 8 | ENE 8 | S 6 | S 7 | ENE 8 | S 9 | S 8 | S 8 | S 10 |
| kJ | 161 | 224 | 336 | 402 | 376 | 354 | 397 | 419 | 353 | 294 | 192 | 113 | 73 | 51 | 31 | 57 | 73 | 186 | 140 | 113 | 284 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSE 6 | — | — | — | — | — | ENE 9 | ENE 9 | ENE 6 | ENE 9 | SE 10 | SE 10 | SE 10 | ENE 8 | ENE 8 | SE 9 | E 8 | E 8 | E 8 | ENE 8 |
| kJ | 22 | 22 | — | — | — | — | — | 31 | 65 | 35 | 26 | 112 | 51 | 36 | 51 | 73 | 14 | 50 | 34 | 33 | 21 |
Swell 3 Height (m) Direction Period (s) | SE 9 | — | — | — | — | — | — | — | S 8 | E 9 | S 8 | S 9 | — | — | SE 10 | SE 9 | SSE 14 | SE 9 | E 9 | S 11 | — |
| kJ | 3 | — | — | — | — | — | — | — | 1 | 42 | 1 | 2 | — | — | 25 | 14 | 18 | 3 | 2 | 61 | — |
Wind waves Height (m) Direction Period (s) | — | E 8 | E 8 | — | — | — | — | — | NE 3 | — | ENE 6 | — | SSW 3 | S 5 | — | — | S 8 | S 8 | S 8 | S 8 | S 10 |
| kJ | — | 349 | 600 | — | — | — | — | — | 9 | — | 47 | — | 5 | 44 | — | — | 84 | 217 | 235 | 169 | 432 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 127 | 32 | 181 | 97 | 0 | 0 | 128 | 0 | 0 | 130 | 0 | 97 | 138 | 0 | 43 | 138 | 35 | 35 | 157 | 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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