Surf Forecasts:
Leca surf forecast from 18 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 10PM (local time) - 1.5ft (0.5m), 9s period, WNW swell with glassy winds.
- Most powerful swell: Saturday 22 Aug, 10PM (local time) - 6ft (1.8m), 8s period, NW swell with 416 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 10PM (local time) - 1.5ft (0.5m), 9s period with WNW swell.
Best Forecast Surf Conditions for Leca this week:
The surf forecast for Leca 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 0.5m and 9s period with a secondary swell of 0.3m and 3s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Leca in the next 16 days are 1.8m 8s and forecast to arrive on Saturday (Aug 22) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 19th Aug) | 1.5ft (0.5m) 9s |
| Best Surf | 10PM (Wed 19th Aug) | 1.5ft (0.5m) 9s |
| Most Powerful | 10PM (Sat 22nd Aug) | 6ft (1.8m) 8s |
Table - best surf conditions forecast for Leca over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – the outlook for Leca over the next couple of weeks is pretty grim. We’re looking at a long stretch of poor conditions before we find anything worth paddling out for.
Right now, from Tuesday the 18th of August, right through to the end of the month, it’s a write-off. The swell is mostly small, under 3ft, and the wind is a constant problem. It’s cross-shore or cross-onshore, meaning the surface is chopped up and messy. Even when the swell bumps up a bit, like on the afternoon of the 21st with 5ft NW swell, the wind is howling at 25 mph, making it unsurfable. The combined energy is moderate at best (428), but it’s all for nothing with that wind. The setup is more interesting for kite surfing than paddle surfing at this point.
We get a tiny glimmer of hope on Monday the 24th of August. The morning brings glassy conditions with a light NE breeze, and a small 3ft NW swell. The water temp is about average for the time of year. It’s surfable, but the waves are very ordinary. Nothing to get excited about.
Then we’re back into a long, dry spell. The wind stays onshore or cross-shore, and the swell is tiny and weak. The energy is in the double digits, and it’s just not happening.
The next real chance comes on Friday the 28th of August. The morning is glassy again with a light N breeze, and we’ve got a 3ft WNW groundswell. The combined energy is a solid 151, and the period is 9 seconds. It’s surfable, but again, it’s very ordinary. The cross-offshore wind on the morning of the 1st of September will clean the surface up, but with only 2ft of swell, it’s barely a ripple.
Later on the 1st of September, the swell picks up to 4ft from the NW with a longer 11-second period, and the energy jumps to 344. But the wind is a fresh 19 mph cross-shore, making it lumpy and difficult. That’s not the day.
The best of a bad bunch is Monday the 31st of August morning. The swell is 4ft from the NW, energy is 208, and the wind is a gentle 9 mph cross-shore. It’s a marginal forecast, but it’s the closest we get to a clean, surfable wave in this whole period. The waves will be a bit weak and the sets inconsistent. Don’t expect much.
Honestly, there’s no standout session here. The forecasts can change, but for now, it’s a waiting game.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Mon night, min 18°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the NNW by Thu afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Sat morning, min 14°C on Sat night). Mainly strong winds. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | NW 8 | WNW 6 | NW 7 | WNW 11 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | NW 7 | NW 10 | NW 10 | NW 7 | NW 9 | NW 7 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 60 | 12 | 27 | 11 | 32 | 46 | 62 | 114 | 205 | 82 | 408 | 176 | 40 | 246 | 284 | 118 | 189 | 176 | 71 | 37 | 38 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross-on | glassy | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-off | glassy | cross-on | cross |
High Tide | 8:58AM2.77m | 9:20PM2.92m | 9:46AM2.97m | 10:06PM3.05m | 10:25AM3.16m | 10:44PM3.17m | 11:00AM3.31m | 11:18PM3.25m | 11:32AM3.42m | 11:50PM3.30m | 12:03PM3.47m | 00:20AM3.30m | 12:33PM3.47m | 00:50AM3.25m | |||||||
Low Tide | 3:09PM1.23m | 3:36AM1.11m | 3:57PM1.04m | 4:15AM0.96m | 4:36PM0.87m | 4:49AM0.84m | 5:10PM0.74m | 5:20AM0.74m | 5:42PM0.65m | 5:50AM0.68m | 6:12PM0.61m | 6:20AM0.67m | 6:43PM0.64m | ||||||||
 | |  |  | |  |  | | | | | | | | | | | | | | | |
 | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | — | 8:30 | — | — | 8:28 | — | — | 8:27 | — | — | 8:24 | — | — | 8:23 | — | — | 8:22 | — | — | 8:21 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 22 | 22 | 22 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 20 | 19 | 20 | 20 | 20 | 21 | 21 | 20 | 18 |
Feels °C | 23 | 23 | 22 | 22 | 22 | 23 | 21 | 19 | 15 | 13 | 11 | 14 | 14 | 11 | 14 | 15 | 13 | 16 | 20 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | NW 8 | WNW 6 | NW 7 | NW 5 | WNW 10 | WNW 9 | WNW 9 | NW 10 | NW 11 | NW 10 | SW 15 | NW 7 | NW 6 | SW 14 | W 8 | NW 7 | SW 13 | NW 7 | NW 7 | W 8 | NW 6 |
| kJ | 60 | 12 | 27 | 4 | 32 | 46 | 62 | 16 | 60 | 82 | 8 | 99 | 28 | 8 | 12 | 118 | 7 | 176 | 71 | 5 | 38 |
Swell 2 Height (m) Direction Period (s) | W 8 | NNW 8 | SSW 3 | W 8 | NW 5 | SSW 3 | WNW 11 | SW 13 | SW 13 | W 8 | SW 12 | NW 10 | NW 9 | — | SW 14 | W 8 | — | SW 13 | SW 13 | SW 13 | W 8 |
| kJ | 5 | 6 | 1 | 5 | 4 | 1 | 12 | 7 | 7 | 33 | 6 | 59 | 40 | — | 8 | 12 | — | 7 | 7 | 7 | 5 |
Swell 3 Height (m) Direction Period (s) | SW 16 | W 8 | WNW 8 | WNW 11 | WSW 14 | NW 5 | SW 13 | SW 16 | SW 16 | SW 15 | SW 12 | W 8 | W 9 | — | — | SW 14 | — | — | — | SW 13 | SW 13 |
| kJ | 11 | 5 | 13 | 11 | 20 | 1 | 7 | 10 | 10 | 9 | 6 | 37 | 39 | — | — | 7 | — | — | — | 7 | 6 |
Wind waves Height (m) Direction Period (s) | — | SSW 3 | — | SSW 3 | SW 3 | — | — | WNW 8 | NW 7 | NW 6 | NW 10 | NW 7 | — | NW 7 | NW 8 | — | NW 7 | — | — | NW 7 | — |
| kJ | — | 1 | — | 2 | 2 | — | — | 114 | 205 | 51 | 408 | 176 | — | 246 | 284 | — | 189 | — | — | 37 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 52 | 208 | 23 | 110 | 156 | 0 | 1 | 177 | 156 | 361 | 177 | 19 | 13 | 291 | 208 | 345 | 244 | 0 | 0 | 224 | 19 |
Best forecast wave conditions in Douro and Minho | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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Information about the Leca Surf forecast
The above surf forecast table for Leca provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Leca can be found by selecting the local surf guide option on the grey menu. Our Leca 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 (Leca) 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 Leca 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.
Leca is 1 km (1 miles) from Matosinhos. If you plan a holiday in Douro and Minho, look for hotels and other accommodation in Matosinhos. Matosinhos has rooms for a wide range of budgets as well as car hire and transport links.
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