
Surf Forecasts:
Foz do Lizandro surf forecast from 10 Sep 2026:
- Best quality surf: Monday 14 Sep, 1AM (local time) - 4.5ft (1.4m), 11s period, NW swell with cross-offshore winds.
- Most powerful swell: Sunday 13 Sep, 7PM (local time) - 5ft (1.6m), 12s period, NW swell with 678 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 10AM (local time) - 2ft (0.6m), 10s period with WNW swell.
Best Forecast Surf Conditions for Foz do Lizandro this week:
The surf forecast for Foz do Lizandro over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 12) at 10AM. The primary swell is predicted to be 0.6m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Foz do Lizandro in the next 16 days are 1.6m 12s and forecast to arrive on Sunday (Sep 13) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 8s period and expected on Wednesday (Sep 16) at 4PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sat 12th Sep) | 2ft (0.6m) 10s |
| Best Surf | 1AM (Mon 14th Sep) | 4.5ft (1.4m) 11s |
| Most Powerful | 7PM (Sun 13th Sep) | 5ft (1.6m) 12s |
Table - best surf conditions forecast for Foz do Lizandro over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a proper look at what’s on the menu for Foz do Lizandro over the next couple of weeks.
Right now, we’ve got a bit of a flat spell to get through. Thursday the 10th and Friday the 11th are pretty much a write-off with tiny, weak swells and a stiff cross-breeze making a mess of things. You’re looking at ankle-snappers at best, and the conditions are just poor. Hang loose, it won't last forever.
We start to see a flicker of life on Saturday the 12th morning. A small 2ft swell from the WNW with a 10-second period rolls in, and the wind goes light cross-offshore. The combined energy is still pretty weak at 70, but at least it’s clean. Saturday afternoon gets a bit lumpy again, so make the most of the morning if you’re desperate for a paddle.
The real standout of the first week is Sunday the 13th morning. The swell pushes up to 3ft from the NW, but the real magic is the period jumping to 13 seconds. That’s a proper little groundswell, and with a slight offshore breeze from the SSE, it’s going to be glassy clean. The combined energy climbs to a solid 330. This river mouth setup will be working nicely. Just be aware, it can get a bit of a crowd here sometimes, but for waves *that* clean, it’s worth sharing. The water temp is sitting about average for this time of year, so a 3/2 wetsuit will be fine.
Sunday afternoon gets a bit bigger at 4ft from the NW, but the wind swings onshore, making it a bit questionable. Monday the 14th holds some similar 4ft groundswell, but the cross-onshore wind spoils the party a little.
We then hit a long, poor stretch of lumpy cross-shore junk from Tuesday the 15th right through the middle of the following week. It’s not worth your time.
Now, for the one to circle on your calendar: Monday the 21st September morning. This is the big one for experts only. We’re looking at a 7ft swell from the NW with a 14-second period. That’s very long-period groundswell. The wind is light cross-offshore, and the combined energy is absolutely pumping at 1710. This is legitimate, solid, powerful swell. However, that size at a river break like Foz do Lizandro is going to be cranking and will be well over the head. It’s strictly for experienced surfers who know the rip and the bar. For the rest of us, it’s a spectator sport.
After that, the surf settles back to smaller, cleaner 3ft waves on Tuesday the 22nd, but the onshore wind creeps back in.
Right at the tail end, Thursday the 24th and Friday the 25th September show some very promising signs. Thursday morning sees a 4ft swell from the NW with a very long 17-second period, combined energy of 1072. Friday morning holds 6ft from the NW with a 13-second period and 1205 energy. These are big, long-range groundswells. The caveat is the cross-shore wind, which will put a bit of texture on the face. It’s a long way out, so treat it as a promising prospect rather than a done deal. Could be epic, could be a windswell mess. We’ll see.
So, the pick of the fortnight is Sunday the 13th morning for clean, fun waves, and Monday the 21st morning for the big, expert-only session. Keep your eyes on the 24th and 25th for a potential late score.
- Rusty
Short Range ForecastMostly dry. Warm (max 25°C on Sat morning, min 18°C on Wed night). Winds decreasing (fresh winds from the N on Wed night, light winds from the NNE by Sat morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sun morning, min 19°C on Mon night). Winds increasing (calm on Mon morning, fresh winds from the N by Tue afternoon). | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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) | W 11 | WNW 7 | W 7 | W 7 | NNW 6 | W 11 | WNW 10 | WNW 9 | NW 15 | NW 13 | NW 12 | NW 11 | NW 11 | NW 10 | NW 9 | NW 8 | NW 12 | NW 11 | WNW 10 | NW 13 | NW 10 |
Wave Graph | |||||||||||||||||||||
2 | 11 | 9 | 4 | 72 | 10 | 63 | 69 | 112 | 290 | 528 | 510 | 332 | 256 | 138 | 58 | 36 | 119 | 204 | 61 | 245 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross | cross | cross-off | cross-on | cross-off | cross-off | on | cross-off | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross |
High Tide | 2:59PM3.15m | 3:25AM2.92m | 3:38PM3.21m | 4:01AM2.96m | 4:15PM3.17m | 4:36AM2.94m | 4:51PM3.04m | 5:10AM2.86m | 5:26PM2.85m | 5:44AM2.73m | 6:02PM2.62m | 6:18AM2.55m | 6:39PM2.37m | ||||||||
Low Tide | 8:45AM0.17m | 9:16PM-0.04m | 9:25AM0.07m | 9:53PM-0.07m | 10:02AM0.03m | 10:27PM-0.02m | 10:38AM0.08m | 11:00PM0.11m | 11:13AM0.19m | 11:32PM0.29m | 11:48AM0.36m | 00:04AM0.50m | 12:25PM0.57m | 00:38AM0.73m | |||||||
7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | |
— | 7:54 | — | — | 7:52 | — | — | 7:51 | — | — | 7:50 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 18 | 22 | 22 | 19 | 25 | 24 | 24 | 27 | 26 | 25 | 27 | 27 | 22 | 21 | 21 | 18 | 19 | 19 | 18 |
Feels °C | 18 | 17 | 14 | 19 | 19 | 17 | 24 | 23 | 23 | 25 | 25 | 23 | 25 | 25 | 21 | 19 | 19 | 14 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | NNW 11 | WNW 7 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 7 | NNW 6 | NNW 7 | NW 13 | NW 12 | NW 11 | NW 11 | NW 10 | NW 9 | NW 8 | NW 12 | NW 11 | WNW 10 | NW 13 | NW 10 |
234 | 11 | 209 | 137 | 68 | 17 | 110 | 80 | 101 | 290 | 528 | 510 | 332 | 256 | 138 | 58 | 36 | 119 | 204 | 61 | 245 | |
Swell 2 Height (m) Direction Period (s) | NNW 9 | W 11 | W 7 | W 7 | W 7 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NNW 7 | NNW 7 | NNW 7 | N 7 | S 11 | S 11 | WNW 8 | WNW 8 | N 13 | N 13 | SW 13 | NW 12 |
30 | 2 | 9 | 4 | 4 | 10 | 63 | 69 | 64 | 56 | 35 | 55 | 23 | 2 | 2 | 22 | 13 | 3 | 3 | 6 | 118 | |
Swell 3 Height (m) Direction Period (s) | W 11 | — | W 10 | W 9 | WNW 8 | W 11 | SW 13 | NW 12 | NW 15 | W 9 | S 12 | S 11 | S 11 | — | — | NW 13 | N 15 | — | S 13 | — | S 12 |
2 | — | 2 | 2 | 7 | 9 | 7 | 6 | 112 | 40 | 3 | 2 | 2 | — | — | 25 | 4 | — | 3 | — | 3 | |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 11 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | — | — | — | — | — | — | — | N 7 | NNW 6 | NNW 4 | NNW 9 | NNW 6 | NNW 8 | NNW 8 | NNW 8 |
263 | 685 | 156 | 80 | 72 | 97 | — | — | — | — | — | — | — | 25 | 12 | 8 | 157 | 253 | 494 | 699 | 508 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 27 | 448 | 90 | 30 | 217 | 30 | 0 | 28 | 0 | 0 | 27 | 0 | 2 | 43 | 27 | 28 | 514 | 140 | 468 | 424 | 125 |
Best forecast wave conditions in Ericeira | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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Information about the Foz do Lizandro Surf forecast
The above surf forecast table for Foz do Lizandro provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Foz do Lizandro can be found by selecting the local surf guide option on the grey menu. Our Foz do Lizandro 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 (Foz do Lizandro) 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 Foz do Lizandro 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.
Foz do Lizandro is 16 km (10 miles) from the city of Sintra. If you plan a holiday in Ericeira, look for hotels and other accommodation in Sintra. Sintra has rooms for a wide range of budgets as well as car hire and transport links.










