Surf Forecasts:
Molhes de Mampituba surf forecast from 21 Aug 2026:
- Best quality surf: Sunday 23 Aug, 9PM (local time) - 10ft (3.0m), 14s period, S swell with cross-shore winds.
- Most powerful swell: Sunday 23 Aug, 9PM (local time) - 10ft (3.0m), 14s period, S swell with 3,065 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 9PM (local time) - 5ft (1.5m), 10s 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 Saturday (Aug 22) at 9PM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.3m and 9s. 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 14s and forecast to arrive on Sunday (Aug 23) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 22nd Aug) | 5ft (1.5m) 10s |
| Best Surf | 9PM (Sun 23rd Aug) | 10ft (3.0m) 14s |
| Most Powerful | 9PM (Sun 23rd Aug) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Molhes de Mampituba over the next 16 days.
The Lowdown
Alright, let’s talk about Molhes de Mampituba. Honestly, it’s a slow start. The next few days are lookin’ pretty average, nothin’ worth gettin’ your board wet for. The wind’s been messy and the swell’s been all over the shop. We’ve got to wait until mid-next week before things start shapin’ up proper.
The water temp’s at 63°, which is pretty normal for this time of year. No drama there.
So, Friday and this weekend? Forget it. The swell’s either too small, or the wind’s got it all chopped up. Saturday afternoon’s got some size at 7ft but with a cross-on breeze, it’s just a bumpy mess. A bit of a waste, really.
Now, Monday morning (24 August) – this is where we start to see a bit of life. The swell pushes up to 8ft from the SSE, with a proper long-period groundswell of 15 seconds and a combined energy reading of 2688. That’s a heap of power. The wind looks like it’ll be light cross-shore, which should keep it pretty clean. This is a good one for the experienced crew. A long period like that can make a beach break a bit straight, but with a bit of luck on the banks, it’ll be on.
Tuesday morning (25 August) is a nice little clean-up after that big energy. Swell drops to a more manageable 5ft from the SSE, period’s still nice and long at 12 seconds. Light cross-offshore wind from the north. The energy’s down to 805, but it’ll be clean and fun. A solid option for intermediates.
Then comes the standout of the whole outlook. Wednesday morning (26 August). The swell is 6ft from the SSE, period a solid 13 seconds, and the combined energy is 1043. But the real beauty is the wind: light offshore from the NNE. That’s gonna be glassy, clean, perfect lines. This is the one to circle on your calendar. It’s not too big, not too small, just a lovely long-period groundswell with perfect conditions. For experienced surfers, this is a dream.
Thursday morning (27 August) is another good one – 4ft from the SE, still that nice 13-second period, and clean cross-offshore winds. Energy’s at 1039. A bit smaller, but still very, very surfable.
After that, things start to fade. Friday and Saturday have some small, clean waves, but nothing with much punch. Then from Sunday (30 August) it goes quiet, with tiny 3ft waves and not enough energy to get excited about. There’s a little uptick right at the end of the outlook, around Saturday morning (5 September), showing 6ft from the SSE with decent period and light cross-offshore wind, but that’s a long way out so take it with a grain of salt.
So, if you’re askin’ me, the clear winner is Wednesday morning (26 August). That light offshore, that clean swell – that’s as good as it gets in this forecast. Monday’s big swell is also a proper standout for the charger types, but Wednesday is the sweet spot for the rest of us.
Keep an eye on the forecasts, as it tends not to stay flat for long around here. But for now, that’s your lot.
Rusty
Short Range ForecastMostly dry. Very mild (max 17°C on Fri morning, min 9°C on Fri night). Winds decreasing (fresh winds from the SW on Fri afternoon, light winds from the W by Sat night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Wed afternoon, min 9°C on Mon morning). Winds increasing (calm on Mon afternoon, fresh winds from the NE by Wed afternoon). | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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) | SSW 7 | SSW 8 | S 9 | S 9 | S 10 | S 11 | S 12 | S 12 | SSE 14 | SSE 15 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SE 15 | SSE 13 | SSE 13 | SSE 14 | SE 13 | SE 13 | ENE 8 |
Wave Graph | |||||||||||||||||||||
93 | 300 | 885 | 854 | 745 | 524 | 898 | 1654 | 2187 | 2688 | 1748 | 1057 | 754 | 599 | 530 | 1018 | 915 | 742 | 517 | 388 | 488 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross-on | cross-off | cross | cross-on | cross-off | cross | on | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off |
High Tide | 12:10PM0.45m | 00:03AM0.24m | 12:39PM0.49m | 00:11AM0.27m | 1:06PM0.52m | 00:05AM0.31m | 1:33PM0.54m | 11:46PM0.36m | 2:01PM0.55m | 11:49PM0.41m | 2:28PM0.54m | 00:06AM0.47m | 2:44PM0.51m | 00:30AM0.52m | |||||||
Low Tide | 3:23PM0.39m | 9:26PM0.20m | 3:01AM0.19m | 9:44PM0.24m | 4:28AM0.15m | 9:03PM0.29m | 5:38AM0.09m | 7:12PM0.28m | 6:27AM0.03m | 7:27PM0.26m | 7:08AM-0.02m | 7:50PM0.24m | 7:46AM-0.06m | 8:18PM0.23m | |||||||
6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — | |
— | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 |
Temp °C | 17 | 16 | 12 | 12 | 14 | 11 | 13 | 15 | 11 | 11 | 11 | 11 | 14 | 15 | 14 | 17 | 19 | 17 | 23 | 22 | 19 |
Feels °C | 11 | 10 | 7 | 7 | 9 | 8 | 9 | 9 | 6 | 9 | 8 | 9 | 11 | 12 | 12 | 14 | 16 | 15 | 22 | 22 | 20 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | S 9 | S 9 | S 10 | S 11 | S 12 | S 12 | SSE 14 | SSE 15 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 14 | SE 13 | SE 13 | ENE 8 |
28 | 11 | 480 | 502 | 490 | 524 | 898 | 956 | 2187 | 2688 | 1748 | 1057 | 754 | 599 | 444 | 1018 | 915 | 742 | 517 | 388 | 273 | |
Swell 2 Height (m) Direction Period (s) | E 11 | — | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | — | — | — | SSE 16 | SSE 16 | SE 15 | — | — | ENE 7 | ENE 7 | — | SSE 12 |
2 | — | 13 | 7 | 15 | 16 | 7 | 6 | 6 | — | — | — | 51 | 166 | 530 | — | — | 173 | 140 | — | 190 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 5 | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 19 | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | SSW 7 | SSW 8 | S 9 | S 9 | S 10 | — | — | S 12 | — | — | — | — | — | ENE 3 | NE 5 | ENE 5 | ENE 6 | NE 7 | NE 8 | ENE 8 | ENE 8 |
93 | 300 | 885 | 854 | 745 | — | — | 1654 | — | — | — | — | — | 4 | 55 | 25 | 57 | 352 | 382 | 176 | 488 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 169 | 260 | 169 | 97 | 97 | 0 | 3 | 157 | 0 | 3 | 157 | 0 | 0 | 156 | 0 | 0 | 156 | 156 | 0 | 281 | 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.











