Surf Forecasts:
Leca surf forecast from 20 Aug 2026:
- Best quality surf: Friday 21 Aug, 7AM (local time) - 4.5ft (1.3m), 10s period, NW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 1AM (local time) - 7ft (2.2m), 11s period, WNW swell with 1,163 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 7AM (local time) - 4.5ft (1.3m), 10s period with NW 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 Friday (Aug 21) at 7AM. The primary swell is predicted to be 1.3m 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 Leca in the next 16 days are 2.2m 11s and forecast to arrive on Friday (Aug 28) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Fri 21st Aug) | 4.5ft (1.3m) 10s |
| Best Surf | 7AM (Fri 21st Aug) | 4.5ft (1.3m) 10s |
| Most Powerful | 1AM (Fri 28th Aug) | 7ft (2.2m) 11s |
Table - best surf conditions forecast for Leca over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on offer for the Leca area over the next couple of weeks.
Honestly, it's a bit of a slow start for us. The first week is pretty average, with a lot of onshore and cross-onshore winds making a mess of things. The water temp is sitting around 68°, which is about normal for this time of year, so nothing unusual there.
Thursday the 20th is a write-off. Strong NW winds of 25 mph and a choppy 4ft swell. Friday the 21st isn't much better. The morning has a bit of a 4ft NW swell, but the wind is all over the place. The afternoon sees a 5ft NW swell, but it's getting hammered by a 22 mph NNW wind, so forget it. Saturday the 22nd is tiny and weak, with a 2ft swell in the morning and 2ft in the afternoon.
Sunday the 23rd is where we might see a glimmer of hope. The morning has a 5ft W swell with a clean cross-off breeze from the NNE. It's not huge, but it'll be clean. The afternoon holds up with a 4ft WSW swell, also clean. It's a small window, but it's the best we'll see for a few days.
The rest of the week is a write-off again. Monday the 24th has a 5ft SW swell, but it's getting blown to bits by a 16 mph SSE wind. The rest of the week is a mix of onshore winds, weak swells, and rain. Not good.
Now, if you're patient, there's a real standout on Friday the 28th of August. The morning session is looking epic. Glassy conditions, a solid 7ft WNW groundswell with a period of 11 seconds, and a massive 1124 combined energy reading. This is serious, powerful surf. The wind is a perfect glassy 3 mph from the NE. This is only for experienced surfers though – 7ft is big, and it's going to be a heavy, powerful groundswell. It's a point break or reef kind of wave, so keep that in mind. The crowds are likely here, so get in early.
The following Saturday the 29th has a small 3ft WNW swell in the morning with clean conditions, but it's much smaller. Sunday the 30th is tiny, and the first couple of days of September are mostly small and weak, with a few clean moments but nothing to get excited about.
So, the pick of the bunch is undoubtedly the morning of Friday the 28th of August. That's your one true standout. Before that, Sunday the 23rd is the best of a bad lot.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Sun morning. Very mild (max 19°C on Thu afternoon, min 15°C on Thu night). Winds decreasing (fresh winds from the NNW on Fri afternoon, calm by Sat night). | Days 5-7 Weather SummaryHeavy rain (total 28mm), heaviest during Sun afternoon. Warm (max 22°C on Mon morning, min 17°C on Sun afternoon). Winds decreasing (fresh winds from the S on Mon afternoon, light winds from the WSW by Wed morning). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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 | NW 11 | NW 10 | NW 10 | NW 10 | NW 9 | W 9 | W 13 | W 10 | WSW 10 | WSW 9 | SW 8 | SW 7 | SW 7 | W 7 | WNW 7 | WSW 6 | W 7 | W 7 | WSW 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 206 | 142 | 303 | 416 | 213 | 79 | 53 | 116 | 418 | 328 | 318 | 341 | 456 | 139 | 61 | 62 | 80 | 107 | 156 | 118 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-off | cross | on | glassy | cross-off | cross-off | off | cross-off | cross | cross | cross | cross-on | cross-off | on | cross-on | cross-on |
High Tide | 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 | 1:03PM3.41m | 1:19AM3.16m | 1:33PM3.31m | 1:49AM3.03m | |||||||
Low Tide | 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 | 6:49AM0.71m | 7:13PM0.72m | 7:19AM0.79m | 7:44PM0.83m | |||||||
 |  | | | | | |  |  |  |  |  | | | |  |  | | | | |
 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | 8:27 | — | — | 8:24 | — | — | 8:23 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:17 | — |
mm | — | — | — | — | — | — | — | — | 4 | 7 | 8 | 2 | 2 | 6 | 1 | — | 1 | 1 | — | 13 |
Temp °C | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 20 | 22 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 19 |
Feels °C | 14 | 15 | 13 | 13 | 17 | 18 | 18 | 20 | 17 | 17 | 19 | 18 | 16 | 20 | 19 | 19 | 19 | 18 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | NW 11 | NW 10 | SW 15 | NW 10 | NW 9 | W 9 | W 10 | W 10 | WSW 10 | WSW 9 | SW 8 | N 7 | SW 7 | W 7 | WNW 7 | WSW 6 | W 7 | W 7 | WNW 8 |
| kJ | 11 | 142 | 303 | 8 | 213 | 79 | 53 | 102 | 418 | 328 | 318 | 341 | 1 | 139 | 61 | 62 | 80 | 107 | 156 | 84 |
Swell 2 Height (m) Direction Period (s) | SW 13 | W 9 | SW 15 | SW 12 | WNW 10 | W 9 | NW 9 | W 13 | NNW 8 | NNW 8 | NW 8 | NW 8 | — | SW 13 | SW 12 | W 10 | WNW 10 | WNW 9 | NW 8 | SW 12 |
| kJ | 7 | 39 | 9 | 6 | 31 | 40 | 39 | 116 | 6 | 6 | 2 | 2 | — | 6 | 6 | 2 | 9 | 8 | 18 | 5 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 13 | SW 12 | — | SW 14 | SW 14 | SW 14 | NW 8 | — | — | — | SW 13 | — | — | W 10 | SW 12 | SW 12 | SW 12 | SW 12 | — |
| kJ | 10 | 7 | 6 | — | 8 | 7 | 8 | 17 | — | — | — | 7 | — | — | 2 | 6 | 6 | 6 | 5 | — |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 7 | — | NW 10 | — | — | — | — | — | — | — | — | SW 7 | — | SW 6 | SW 6 | — | — | — | WSW 7 |
| kJ | 206 | 97 | — | 416 | — | — | — | — | — | — | — | — | 456 | — | 30 | 26 | — | — | — | 118 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 156 | 38 | 13 | 156 | 0 | 9 | 156 | 0 | 0 | 0 | 0 | 71 | 163 | 9 | 161 | 171 | 70 | 28 | 238 | 161 |
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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