Surf Forecasts:
Foz do Lizandro surf forecast from 20 Aug 2026:
- Best quality surf: Sunday 23 Aug, 4AM (local time) - 6ft (1.9m), 12s period, WNW swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 4AM (local time) - 6ft (1.9m), 12s period, WNW swell with 1,053 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 4AM (local time) - 6ft (1.9m), 12s 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 Sunday (Aug 23) at 4AM. The primary swell is predicted to be 1.9m and 12s 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 1.9m 12s and forecast to arrive on Sunday (Aug 23) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 10s period and expected on Friday (Aug 21) at 1PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sun 23rd Aug) | 6ft (1.9m) 12s |
| Best Surf | 4AM (Sun 23rd Aug) | 6ft (1.9m) 12s |
| Most Powerful | 4AM (Sun 23rd Aug) | 6ft (1.9m) 12s |
Table - best surf conditions forecast for Foz do Lizandro over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s cookin’ for Foz do Lizandro over the next couple of weeks.
Honestly, it’s a bleak stretch, mate. We’re lookin’ at a real flat spell with barely a wave worth paddlin’ for, and the wind’s just makin’ it worse. The water temp is sittin’ around 68°, which is pretty much about average for this time of year, but that ain’t gonna make up for the lack of swell.
First up, Thursday the 20th and Friday the 21st – total write-offs. We got tiny little 2ft to 1ft slop, mostly from the WNW, with periods around 8 to 9 seconds, and the wind is either cross-on or cross. The combined energy is pitiful, 44 to 62 (weak). Just messy, choppy garbage. Don’t even bother.
Saturday the 22nd isn’t any better. Still tiny 2ft, still cross-onshore winds. The water’s gonna be bumpy and small. Not worth the wax.
Right, there’s a glimmer on Sunday the 23rd. The morning shows a pulse of 6ft swell from the WNW with an 11-second period, and the wind is cross-offshore – that means clean faces. The combined energy jumps to 880 (strong), but the forecast says “marginal surf forecast or questionable tide conditions”. So, it’s a maybe. That’s the only real chance in this whole window, but it’s not a dead-set guarantee. Crowds are “sometimes” here anyway.
From Sunday afternoon onwards, it’s back to poor conditions. Monday the 24th has a bump to 8ft, but it’s a short-period 8-second swell with strong cross-onshore winds. That’s gonna be a choppy, blown-out mess – more for the kite crew than us. Combined energy is 726 (strong), but the quality is just not there.
Tuesday the 25th through to Wednesday the 4th of September is just a long, sad run of tiny to small waves with poor winds. Most of the time it’s cross-on or cross, and the swell’s too small or weak. The last day, Friday the 4th, is dead flat: 0.3ft. Glassy in the morning but with zero swell.
To be fair, Foz do Lizandro is a consistent spot at times, but this 16-day run is a total dud. There’s one maybe-morning on Sunday the 23rd, and that’s it. The rest is for the sunbakers.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Thu morning, min 18°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sun afternoon. Warm (max 22°C on Sun morning, min 20°C on Sun night). Winds decreasing (fresh winds from the S on Sun morning, light winds from the SSW by Mon night). | ||||||||||||||||||||
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) | WNW 9 | WNW 9 | W 9 | WNW 8 | SSW 15 | WNW 9 | W 9 | W 9 | WNW 13 | WNW 11 | WNW 10 | W 9 | WSW 8 | W 8 | WSW 6 | WNW 6 | WNW 7 | WNW 6 | WNW 7 | WNW 9 | NW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 62 | 68 | 39 | 23 | 21 | 42 | 38 | 39 | 817 | 862 | 463 | 580 | 719 | 362 | 96 | 113 | 102 | 60 | 136 | 293 | 380 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross-on | on | cross | cross-off | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 9:12PM1.98m | 9:50AM2.03m | 10:42PM1.88m | 11:22AM2.03m | 00:11AM1.94m | 12:36PM2.16m | 1:11AM2.08m | 1:28PM2.34m | 1:54AM2.25m | 2:08PM2.54m | 2:30AM2.42m | 2:43PM2.72m | 3:03AM2.57m | ||||||||
Low Tide | 2:50PM1.00m | 3:15AM1.09m | 4:18PM1.11m | 4:48AM1.16m | 5:56PM1.07m | 6:14AM1.07m | 7:03PM0.92m | 7:12AM0.91m | 7:48PM0.74m | 7:53AM0.72m | 8:24PM0.55m | 8:28AM0.54m | 8:57PM0.38m | ||||||||
 | |  |  | | | | | |  |  |  | | | |  | |  | | | | |
 | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | 8:25 | — | — | 8:24 | — | — | 8:22 | — | — | 8:22 | — | — | 8:20 | — | — | 8:19 | — | — | 8:17 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 4 | 6 | 1 | — | — | — | — | 2 | — | — | — |
Temp °C | 22 | 22 | 19 | 20 | 20 | 18 | 20 | 20 | 20 | 22 | 22 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 |
Feels °C | 23 | 22 | 15 | 16 | 16 | 15 | 19 | 18 | 20 | 18 | 20 | 19 | 20 | 21 | 21 | 20 | 20 | 21 | 19 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | W 9 | NNW 11 | SSW 15 | WNW 9 | NNW 10 | NNW 9 | WNW 13 | WNW 11 | WNW 10 | W 9 | WSW 8 | NNW 8 | WSW 6 | WNW 6 | WNW 7 | WNW 6 | WNW 7 | WNW 9 | NW 9 |
| kJ | 62 | 68 | 39 | 286 | 21 | 42 | 446 | 287 | 817 | 862 | 463 | 580 | 719 | 13 | 96 | 113 | 102 | 60 | 136 | 293 | 380 |
Swell 2 Height (m) Direction Period (s) | NNW 5 | NW 11 | NW 10 | WNW 8 | W 11 | NNW 12 | W 9 | W 9 | NNW 9 | N 8 | N 8 | NNW 8 | NNW 8 | SW 13 | NW 7 | SW 12 | SW 12 | W 10 | SW 12 | SW 11 | SW 11 |
| kJ | 17 | 30 | 27 | 23 | 2 | 29 | 38 | 39 | 140 | 49 | 33 | 19 | 12 | 7 | 82 | 6 | 6 | 2 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | NNW 12 | SW 13 | NNW 12 | SSW 15 | — | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | — | W 10 | SW 12 | — | — | — |
| kJ | 14 | 7 | 31 | 21 | — | 18 | 20 | 20 | 20 | 18 | 17 | 7 | 7 | 7 | 6 | — | 2 | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 5 | NNW 7 | NNW 7 | NNW 10 | NNW 10 | — | — | — | S 4 | SSW 5 | SSW 6 | — | W 8 | — | — | — | — | — | — | — |
| kJ | — | 7 | 289 | 243 | 794 | 627 | — | — | — | 13 | 111 | 109 | — | 362 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 27 | 27 | 232 | 31 | 405 | 28 | 28 | 216 | 0 | 138 | 188 | 138 | 47 | 266 | 31 | 47 | 47 | 90 | 565 | 216 | 31 |
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.
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