Surf Forecasts:
Leca surf forecast from 14 Sep 2026:
- Best quality surf: Saturday 19 Sep, 1AM (local time) - 5.5ft (1.7m), 14s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 19 Sep, 1AM (local time) - 5.5ft (1.7m), 14s period, NW swell with 1,138 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 10PM (local time) - 1.5ft (0.5m), 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 Monday (Sep 14) at 10PM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.5m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Leca in the next 16 days are 1.7m 14s and forecast to arrive on Saturday (Sep 19) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Mon 14th Sep) | 1.5ft (0.5m) 10s |
| Best Surf | 1AM (Sat 19th Sep) | 5.5ft (1.7m) 14s |
| Most Powerful | 1AM (Sat 19th Sep) | 5.5ft (1.7m) 14s |
Table - best surf conditions forecast for Leca over the next 16 days.
The Lowdown
Alright, let’s break down what we’ve got here for Leca.
Right off the bat, the next week and a half is pretty average at best with some messy wind. The standout window is actually a few days out, Saturday 19 September and Monday 21 September look like the pick of the bunch, but we’ve got a few other bright spots too.
Up first, Monday 14 September morning is glassy with a tiny 2ft WNW swell, period of 11 seconds. Weak energy (151) but the calm, offshore wind means it’s clean. This is a beginner-friendly spot, consistently exposed to swell, so if you’re learning, you could get a few fun little ones. Water temp is 64°, which is a bit colder than usual for this time of year.
Things go downhill fast after that. Monday afternoon and Tuesday, the wind swings cross-on and picks up, with the surf size jumping to 4ft by Tuesday afternoon but the period dropping to a junky 6 seconds. Poor conditions.
Wednesday 16 and Thursday 17 September see bigger swell – up to 7ft on Wednesday afternoon – but the wind is howling from the NNW at 25 mph, making it a messy, blown-out situation. That’s a lot of energy (593 on Wednesday afternoon) but terrible shape. Honestly, with that strong cross-onshore wind and a beach setup, this looks more interesting for kite surfing than paddle surfing.
Friday 18 September morning is a little cleaner with a weak offshore breeze and 4ft swell at 9 seconds. Moderate energy (238). It’s surfable but nothing special.
Now for the real highlights. Saturday 19 September morning – light offshore wind from the ENE, 5ft NW swell with a solid 13-second period. Energy is strong (627) and the conditions are clean. The swell direction from the NW is right in Leca’s optimum zone. This is the best on offer in the whole forecast – a proper groundswell running into a clean morning. The only thing to be aware of: at 5ft it’s fine for most, but with that long period it might break a bit too straight for the beachies, so keep your eyes open. Crowds are “often” here, so expect some company.
Monday 21 September morning is another standout – glassy with a light easterly breeze, 4ft WNW swell, period of 13 seconds, strong energy (600). Again, clean conditions and a decent long-period groundswell. That’s the second best slot in this outlook.
After that, we get a few small, clean mornings – Tuesday 22 and Friday 25 September are glassy, but the sizes drop. The 25th has a 4ft WNW swell at 14 seconds, very long period, and glassy – that could be a nice dawn session if the tide works out.
The final week from the 26th onward is mostly small and unremarkable, with weak energy and only occasional glassy windows.
Signing off,
Rusty
Short Range ForecastMostly dry. Warm (max 28°C on Mon morning, min 17°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the NNW by Wed afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Sat morning, min 18°C on Thu morning). Winds decreasing (fresh winds from the NNW on Thu afternoon, light winds from the NNW by Sat morning). | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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 11 | NW 10 | NW 10 | WNW 8 | NW 6 | NW 8 | NW 8 | NW 8 | NW 9 | NW 10 | NW 10 | NW 8 | NW 9 | NW 13 | NW 14 | NW 13 | NW 13 | NW 12 | WNW 11 | NW 11 | WNW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 82 | 54 | 45 | 22 | 77 | 403 | 233 | 593 | 526 | 315 | 499 | 532 | 179 | 859 | 1138 | 623 | 479 | 355 | 207 | 163 | 191 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-off | cross-off | cross-on | cross | cross-off | cross-on | cross-off | off | cross-on | cross-off | off | cross-on | cross-off |
High Tide | 6:47PM2.55m | 7:31AM2.55m | 8:06PM2.64m | 8:33AM2.73m | 9:00PM2.80m | 9:17AM2.94m | 9:41PM2.96m | 9:53AM3.14m | 10:15PM3.11m | 10:25AM3.30m | 10:46PM3.23m | 10:56AM3.42m | 11:16PM3.31m | ||||||||
Low Tide | 12:11PM1.55m | 1:13AM1.51m | 1:50PM1.44m | 2:23AM1.38m | 2:51PM1.24m | 3:09AM1.21m | 3:32PM1.03m | 3:44AM1.04m | 4:06PM0.85m | 4:16AM0.88m | 4:37PM0.70m | 4:46AM0.75m | 5:07PM0.59m | ||||||||
 | |  | | | |  | | | | | | | | | | | | | | | |
 | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | 7:45 | — | — | 7:45 | — | — | 7:43 | — | — | 7:40 | — | — | 7:39 | — | — | 7:37 | — | — | 7:36 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 22 | 20 | 20 | 19 | 24 | 23 | 21 | 21 | 20 | 21 | 23 | 24 | 25 | 29 | 28 | 28 | 31 | 31 | 30 |
Feels °C | 26 | 26 | 23 | 19 | 16 | 15 | 19 | 15 | 16 | 17 | 13 | 16 | 19 | 18 | 23 | 26 | 23 | 24 | 28 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | W 8 | WNW 8 | WNW 11 | — | WNW 10 | — | NW 9 | NW 10 | — | NW 9 | NW 9 | W 16 | NW 14 | NW 13 | NW 13 | NW 12 | WNW 11 | NW 11 | WNW 10 |
| kJ | 69 | 46 | 36 | 22 | 40 | — | 75 | — | 526 | 315 | — | 367 | 179 | 5 | 1138 | 623 | 479 | 355 | 207 | 163 | 125 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | NW 10 | NW 10 | NW 8 | WNW 8 | — | — | — | — | — | — | W 16 | NW 15 | — | W 14 | W 14 | W 14 | W 13 | W 13 | NW 18 | WNW 15 |
| kJ | 82 | 54 | 45 | 18 | 21 | — | — | — | — | — | — | 5 | 54 | — | 4 | 4 | 4 | 3 | 3 | 12 | 191 |
Swell 3 Height (m) Direction Period (s) | — | — | W 13 | WNW 12 | NW 9 | — | — | — | — | — | — | — | W 16 | — | — | — | — | W 13 | — | W 13 | W 13 |
| kJ | — | — | 3 | 14 | 3 | — | — | — | — | — | — | — | 5 | — | — | — | — | 3 | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 6 | NW 8 | NW 8 | NW 8 | — | — | NW 10 | NW 8 | — | NW 13 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 77 | 403 | 233 | 593 | — | — | 499 | 532 | — | 859 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 161 | 36 | 57 | 857 | 457 | 361 | 457 | 186 | 14 | 258 | 177 | 0 | 283 | 0 | 0 | 186 | 0 | 0 | 208 | 0 |
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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