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Surf Forecasts:
Supertubos surf forecast from 13 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 10PM (local time) - 2ft (0.6m), 13s period, NW swell with cross-offshore winds.
- Most powerful swell: Thursday 20 Aug, 4AM (local time) - 3.5ft (1.1m), 12s period, NW swell with 319 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 10PM (local time) - 2ft (0.6m), 13s period with NW swell.
Best Forecast Surf Conditions for Supertubos this week:
The surf forecast for Supertubos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 10PM. The primary swell is predicted to be 0.6m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Supertubos in the next 16 days are 1.1m 12s and forecast to arrive on Thursday (Aug 20) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Saturday (Aug 15) at 7AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 19th Aug) | 2ft (0.6m) 13s |
| Best Surf | 10PM (Wed 19th Aug) | 2ft (0.6m) 13s |
| Most Powerful | 4AM (Thu 20th Aug) | 3.5ft (1.1m) 12s |
Table - best surf conditions forecast for Supertubos over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on the cards for Supertubos.
It’s a pretty quiet start to the outlook, I’m afraid. We’ve got a run of tiny, weak swell and mostly cross-off winds that’s just not doing anything for the surf. You’re looking at a solid gap from now until the 23rd of August where there isn’t a single solid recommendation for a paddle. The swell combined energy is mostly in the low double digits or hundreds, barely pushing 202 at best, and it just doesn’t have the power. The water temp is about average for the time of year.
That all changes around the 24th of August. We start seeing some proper swell showing on the charts, and by the 25th of August Tuesday morning, there is a window that’s worth watching. The morning is the pick. You’ve got a clean 1.7m swell from the WNW with a combined energy of 481 – that’s moderate to strong energy. The wind is light from the NW, making for a cross-shore with just small ripples, so it should be clean. This is the standout of the whole outlook. It’s a week and a half away, so treat it as promising but not locked in. The size is around 6ft, which is getting into the territory where you need to be comfortable on a bigger board, but it’s not massive. That said, it’s a “beach and reef” setup, so it can handle a little more size than a pure beach break. However that WNW swell direction is a good match for the optimum SW direction, so expect some proper waves. Supertubos can get busy, and with a decent swell like this, expect the crowd to be there.
Later that week, the 26th of August Wednesday morning and afternoon also have some swell – 5ft to 5ft from the NW – with similar energy levels. The winds are onshore or cross-shore though, so it won’t be as clean as Tuesday. The 27th of August Thursday has a 4ft swell but with a strong cross-off wind that will keep it clean, but the energy is lower, around 191-218. It’s a decent option if the earlier windows don't work.
Overall, hold tight for the first week and a half, then keep your eyes glued to the forecast for the morning of the 25th of August. That's the one.
- Rusty
Short Range ForecastMostly dry. Warm (max 21°C on Thu morning, min 19°C on Wed night). Mainly fresh winds. | Days 4-6 Weather SummarySome drizzle, heaviest during Tue afternoon. Warm (max 28°C on Tue morning, min 20°C on Sat night). Winds decreasing (fresh winds from the NNW on Sat night, calm by Mon morning). | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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) | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NNW 7 | S 18 | SW 18 | SW 18 | SW 16 | SW 17 | SW 15 | SW 18 | SW 18 | WNW 8 | W 8 | SW 16 | WNW 8 | SW 14 | SW 14 | NW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 150 | 198 | 175 | 130 | 124 | 0 | 6 | 12 | 12 | 11 | 11 | 9 | 12 | 12 | 11 | 10 | 38 | 11 | 33 | 32 | 282 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | glassy | cross | cross-off | cross | on | on | on | on | cross-on |
High Tide | 4:06PM3.80m | 4:33AM3.49m | 4:48PM3.80m | 5:13AM3.45m | 5:28PM3.71m | 5:51AM3.36m | 6:07PM3.54m | 6:29AM3.22m | 6:46PM3.31m | 7:09AM3.05m | 7:28PM3.05m | 7:52AM2.87m | 8:16PM2.79m | ||||||||
Low Tide | 9:50AM0.65m | 10:23PM0.46m | 10:31AM0.61m | 11:03PM0.49m | 11:10AM0.65m | 11:42PM0.61m | 11:49AM0.76m | 00:19AM0.79m | 12:28PM0.93m | 00:57AM1.00m | 1:09PM1.13m | 1:36AM1.23m | 1:57PM1.34m | 2:23AM1.44m | |||||||
 | |  |  | | | | | | | |  | | | | |  |  | | | | |
 | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 8:36 | — | — | 8:35 | — | — | 8:32 | — | — | 8:31 | — | — | 8:30 | — | — | 8:29 | — | — | 8:28 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — |
Temp °C | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 24 | 23 | 21 | 27 | 25 | 22 | 28 | 25 | 22 | 23 | 23 | 22 |
Feels °C | 20 | 20 | 19 | 20 | 19 | 18 | 18 | 18 | 16 | 22 | 21 | 21 | 27 | 26 | 23 | 26 | 24 | 24 | 23 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | — | S 18 | SW 18 | SW 18 | NNW 8 | SW 17 | SW 15 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 |
| kJ | 150 | 198 | 175 | 130 | 124 | — | 6 | 12 | 12 | 864 | 11 | 9 | 673 | 457 | 328 | 322 | 267 | 155 | 151 | 121 | 108 |
Swell 2 Height (m) Direction Period (s) | NW 12 | NNW 9 | — | — | — | — | — | — | — | SW 16 | — | — | SW 18 | SW 15 | WNW 8 | W 8 | SW 16 | WNW 8 | WNW 8 | WNW 8 | NW 13 |
| kJ | 52 | 16 | — | — | — | — | — | — | — | 11 | — | — | 12 | 8 | 7 | 5 | 38 | 11 | 6 | 6 | 282 |
Swell 3 Height (m) Direction Period (s) | NNW 9 | — | — | — | — | — | — | — | — | — | — | — | SW 15 | SW 18 | SW 16 | SW 16 | — | SW 15 | SW 14 | SW 14 | WNW 9 |
| kJ | 17 | — | — | — | — | — | — | — | — | — | — | — | 8 | 12 | 11 | 10 | — | 8 | 33 | 32 | 32 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 7 | NNW 8 | NNW 8 | NNW 9 | — | NNW 8 | NNW 8 | — | — | — | — | SW 2 | — | — | SW 2 | — |
| kJ | 23 | 33 | 72 | 139 | 176 | 449 | 1048 | 1032 | 1152 | — | 722 | 864 | — | — | — | — | 1 | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 72 | 259 | 74 | 160 | 498 | 184 | 274 | 529 | 154 | 2 | 260 | 72 | 2 | 251 | 2 | 2 | 251 | 2 | 2 | 179 | 2 |
Best forecast wave conditions in Peniche | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Supertubos surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Supertubos Surf forecast
The above surf forecast table for Supertubos provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Supertubos can be found by selecting the local surf guide option on the grey menu. Our Supertubos 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 (Supertubos) 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 Supertubos 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.
Supertubos is 2 km (1 miles) from Peniche. If you plan a holiday in Peniche, look for hotels and other accommodation in Peniche. Peniche has rooms for a wide range of budgets as well as car hire and transport links.
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