Surf Forecasts:
Cabo Lastres surf forecast from 20 Aug 2026:
- Best quality surf: Thursday 20 Aug, 8PM (local time) - 4.5ft (1.4m), 11s period, NW swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 2AM (local time) - 5.5ft (1.7m), 11s period, NW swell with 652 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 8PM (local time) - 4.5ft (1.4m), 11s period with NW swell.
Best Forecast Surf Conditions for Cabo Lastres this week:
The surf forecast for Cabo Lastres over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 8PM. The primary swell is predicted to be 1.4m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cabo Lastres in the next 16 days are 1.7m 11s and forecast to arrive on Friday (Aug 21) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Sunday (Aug 23) at 5AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Thu 20th Aug) | 4.5ft (1.4m) 11s |
| Best Surf | 8PM (Thu 20th Aug) | 4.5ft (1.4m) 11s |
| Most Powerful | 2AM (Fri 21st Aug) | 5.5ft (1.7m) 11s |
Table - best surf conditions forecast for Cabo Lastres over the next 16 days.
The Lowdown
Alright, let me level with you. The next 16 days at Cabo Lastres? Honestly, it’s a mixed bag with a real slow start and some serious standouts later on if you’ve got the patience.
Right now, there’s hardly a ripple worth paddling for. Those first few days, starting Thursday the 20th through most of the following week, are pretty quiet. The swell energy is weak, way under 100, and what little bump there is comes with messy wind or just plain tiny surf. You’re looking at waves around 1 ft to 3 ft for a solid stretch, with some light glassy conditions on Sunday the 23rd, Monday the 24th, and Tuesday the 25th mornings, but the swell is just too small to get excited about.
Things start to perk up by Wednesday the 26th. The morning still looks a bit average with a 6 ft cross-on swell (171 energy), but Wednesday afternoon brings a welcome change: glassy conditions and a 6 ft swell from the NW packing a decent 269 energy. It’s not huge, but the clean surface makes it a realistic option.
The real standout for this whole outlook is Thursday the 27th. Morning session at Cabo Lastres looks firing. You’ve got a clean 7 ft NW groundswell, a 9-second period with a solid 656 energy, and glassy offshore wind from the SW. That’s a proper day for the experts, with good shape and power. The water temp is sitting at 72°, a touch warmer than normal for the time of year, so a spring suit is fine. It’s going to be a bit bigger in the afternoon, hitting 8 ft, but the wind swings cross-on, making it a bit more of a handful. The following Friday morning, the 28th, still has some clean 5 ft waves (419 energy) with cross-off winds, so the quality lingers a bit.
After that, the surf drops off again. The end of August and start of September is mostly small, inconsistent, or choppy, except for a couple of standout windows. Monday the 31st afternoon delivers a big spike of energy: a 7 ft NW groundswell with a long 12-second period and massive 1305 energy. That’s a proper groundswell, best suited for this point setup, but the cross-on wind is a caveat. Then Tuesday the 1st of September is your absolute best bet. Morning has clean 5 ft waves (615 energy) and glassy conditions, and the afternoon goes up a notch: 6 ft, glassy, 778 energy. That’s the session to circle on your calendar.
Beyond that, it trails off into smaller, less reliable surf through the first week of September. The second week has a couple of bumps on the 4th, but wind and swell direction are all over the place, so keep your expectations in check.
Crowds can be an issue here when it’s good, so for those standout days, especially the 27th and the 1st of September, expect some company.
— Rusty
Short Range ForecastLight rain (total 5mm), mostly falling on Thu morning. Warm (max 21°C on Fri afternoon, min 16°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Tue night. Warm (max 26°C on Mon afternoon, min 17°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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) | NNW 11 | NNW 10 | NW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | E 5 | ENE 6 | N 6 | NE 6 | NE 6 | NE 6 | NNE 6 | N 6 | WNW 6 | WNW 7 | NW 7 | WNW 6 | NW 7 | NW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 305 | 327 | 652 | 554 | 599 | 314 | 165 | 121 | 98 | 21 | 47 | 80 | 24 | 30 | 22 | 62 | 178 | 160 | 168 | 261 | 353 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross | cross-on | cross-off | cross | cross | cross-off | glassy | cross-on | glassy | glassy | on | off | glassy | cross-on | cross-off | cross-on | glassy | cross-off |
High Tide | 10:22AM2.73m | 10:56PM2.55m | 11:33AM2.56m | 00:25AM2.41m | 1:08PM2.53m | 1:58AM2.46m | 2:27PM2.67m | 3:02AM2.63m | 3:21PM2.89m | 3:47AM2.84m | 4:02PM3.13m | 4:23AM3.05m | 4:36PM3.37m | 4:56AM3.24m | |||||||
Low Tide | 4:38PM1.19m | 5:05AM1.32m | 5:55PM1.36m | 6:29AM1.43m | 7:28PM1.36m | 7:56AM1.36m | 8:43PM1.20m | 8:59AM1.16m | 9:33PM0.97m | 9:43AM0.93m | 10:12PM0.73m | 10:20AM0.69m | 10:47PM0.50m | ||||||||
 | |  |  |  | | |  | | |  | | | | | | |  | | |  | |
 | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — |
 | — | — | 9:16 | — | — | 9:15 | — | — | 9:14 | — | — | 9:12 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 |
mm | 3 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 3 |
Temp °C | 19 | 19 | 18 | 19 | 21 | 20 | 20 | 21 | 21 | 22 | 23 | 22 | 24 | 26 | 22 | 23 | 23 | 21 | 21 | 21 | 19 |
Feels °C | 20 | 20 | 18 | 18 | 18 | 20 | 18 | 18 | 19 | 23 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NNW 10 | NW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 8 | NNW 7 | ENE 6 | NE 6 | NE 6 | NE 6 | NNE 6 | N 6 | WNW 6 | WNW 7 | NW 7 | N 12 | NW 11 | NW 8 |
| kJ | 305 | 327 | 652 | 554 | 599 | 314 | 165 | 84 | 61 | 64 | 47 | 80 | 24 | 30 | 22 | 62 | 178 | 160 | 3 | 5 | 353 |
Swell 2 Height (m) Direction Period (s) | N 6 | N 6 | — | N 6 | N 5 | N 5 | NNE 6 | — | W 9 | N 6 | N 6 | NNW 7 | NW 7 | E 5 | NE 6 | NNW 12 | — | NW 10 | — | — | NW 12 |
| kJ | 15 | 15 | — | 15 | 15 | 8 | 10 | — | 2 | 16 | 16 | 9 | 2 | 4 | 11 | 15 | — | 16 | — | — | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNW 7 | NNW 7 | WNW 9 | NW 9 | W 9 | NW 9 | NE 5 | — | — | — | N 11 | — |
| kJ | — | — | — | — | — | — | — | — | — | 21 | 20 | 8 | 3 | 2 | 3 | 1 | — | — | — | 3 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 3 | E 5 | ENE 6 | — | — | — | — | NW 3 | — | — | — | — | WNW 6 | NW 7 | — |
| kJ | — | — | — | — | — | — | 8 | 121 | 98 | — | — | — | — | 3 | — | — | — | — | 168 | 261 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 7 | 0 | 7 | 45 | 0 | 30 | 59 | 0 | 16 | 47 | 0 | 136 | 115 | 51 | 0 | 59 | 0 | 30 | 0 | 0 |
Best forecast wave conditions in Asturias | |||||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||||
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Information about the Cabo Lastres Surf forecast
The above surf forecast table for Cabo Lastres provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cabo Lastres can be found by selecting the local surf guide option on the grey menu. Our Cabo Lastres 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 (Cabo Lastres) 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 Cabo Lastres 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.
Cabo Lastres is 30 km (19 miles) from the city of Gijon. If you plan a holiday in Asturias, look for hotels and other accommodation in Gijon. Gijon has rooms for a wide range of budgets as well as car hire and transport links.
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