Surf Forecasts:
Foz do Lizandro surf forecast from 11 Aug 2026:
- Most powerful swell: Thursday 13 Aug, 4PM (local time) - 3.5ft (1.1m), 10s period, WNW swell with 241 kJ wave energy.
Best Forecast Surf Conditions for Foz do Lizandro this week:
The most powerful waves expected at Foz do Lizandro in the next 16 days are 1.1m 10s and forecast to arrive on Thursday (Aug 13) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Sunday (Aug 16) at 1AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Thu 13th Aug) | 3.5ft (1.1m) 10s |
Table - best surf conditions forecast for Foz do Lizandro over the next 16 days.
The Lowdown
Hey folks, Rusty here. Let’s be straight with you – the outlook for the next 16 days is a tough one. We’re looking at a long, dry spell with barely a ripple worth paddling for.
To put it bluntly, there are no quality surf options in the 16-day window. The wave energy is almost non-existent. For the first week, from now through to around Thursday the 20th, the swell is tiny and wind is mostly cross or cross-onshore, creating lumpy, poor conditions. There is a small pulse mid-week, but it’s accompanied by strong winds and a cross-chop that kills any quality.
On Wednesday the 12th and Thursday the 13th, the swell picks up to around 3 ft to 4 ft from the WNW, with a period of 10 seconds. The combined wave energy is moderate, hitting 154 on Wednesday morning and up to 320 on Thursday afternoon. But it’s all ruined by a fresh cross-shore breeze. The water temp sits at 71°F, about 2°F warmer than usual for this time of year – a bit of a warm anomaly, but you won’t feel it with all the chop.
Things go completely flat after that. From Friday the 15th onwards, we’re looking at swell heights of 0.3 ft to 0.7 ft for the better part of the second week. There’s a hint of a very long-period groundswell (up to 18 seconds) on the 16th and 17th, but it’s only 0.3 ft – not enough to break. The highlight of the whole window is the Sunday morning on the 16th, with glassy winds from the ESE at 3 mph, but with only 0.3 ft of swell, it’s a flat, mirror-like ocean. No rideable waves.
Around the 20th of August, there's a brief pulse of 3 ft from the NW with a period of 13 seconds and energy up to 312, but the wind is cross-onshore from the SW, making it choppy and poor. This setup at a river break like Foz do Lizandro looks far more interesting for kite surfing than for paddle surfing.
For the final week, from the 21st, it’s back to tiny swells with strong cross-winds. Not a single day scores anything above a zero for surf quality.
It’s a blank run, but that’s not abnormal for this area when the patterns shut down. Forecasts can shift, but right now, it’s a case of waxing the board for a prayer, not a paddle. Hang tight.
- Rusty
Short Range ForecastMostly dry. Warm (max 23°C on Wed morning, min 19°C on Tue night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Sun morning, min 20°C on Fri night). Mainly strong winds. | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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) | NNW 6 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NNW 7 | S 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | SW 18 | SW 15 | SSW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 40 | 77 | 120 | 154 | 154 | 154 | 241 | 175 | 130 | 127 | 0 | 6 | 12 | 11 | 10 | 11 | 9 | 13 | 9 | 26 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross-on | cross |
High Tide | 3:01AM2.79m | 3:17PM3.16m | 3:45AM2.89m | 4:01PM3.26m | 4:27AM2.93m | 4:42PM3.25m | 5:07AM2.90m | 5:22PM3.14m | 5:45AM2.80m | 6:01PM2.95m | 6:23AM2.67m | 6:40PM2.71m | ||||||||
Low Tide | 8:50PM0.09m | 9:01AM0.19m | 9:36PM-0.05m | 9:45AM0.08m | 10:18PM-0.10m | 10:26AM0.04m | 10:58PM-0.07m | 11:05AM0.09m | 11:36PM0.05m | 11:44AM0.20m | 00:12AM0.24m | 12:23PM0.38m | 00:49AM0.46m | |||||||
 |  |  | | | | | | | |  | | |  | | | | | | | |
 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | 8:37 | — | — | 8:37 | — | — | 8:35 | — | — | 8:34 | — | — | 8:32 | — | — | 8:31 | — | — | 8:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 20 | 23 | 23 | 20 | 22 | 22 | 20 | 22 | 22 | 21 | 22 | 22 | 20 | 23 | 23 | 21 | 22 | 22 | 20 |
Feels °C | 20 | 18 | 23 | 22 | 18 | 21 | 21 | 18 | 20 | 19 | 18 | 19 | 19 | 15 | 24 | 23 | 20 | 21 | 19 | 16 |
Swell 1 Height (m) Direction Period (s) | NNW 12 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | — | S 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 15 | NNW 9 | SW 15 | SSW 16 |
| kJ | 53 | 77 | 120 | 154 | 154 | 154 | 241 | 175 | 130 | 127 | — | 6 | 12 | 11 | 10 | 11 | 9 | 851 | 9 | 26 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | NNW 10 | NNW 10 | NNW 9 | NNW 10 | NW 12 | N 9 | — | — | — | — | — | — | — | — | — | — | SW 15 | — | S 13 |
| kJ | 23 | 58 | 51 | 47 | 33 | 37 | 14 | — | — | — | — | — | — | — | — | — | — | 9 | — | 3 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | — | — | — | — | NNW 10 | — | — | — | — | — | — | — | — | — | — | — | SW 18 | — | — |
| kJ | 14 | — | — | — | — | 18 | — | — | — | — | — | — | — | — | — | — | — | 13 | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | — | NNW 8 | NNW 8 |
| kJ | 40 | 41 | 27 | 29 | 44 | 40 | 61 | 102 | 149 | 158 | 412 | 662 | 700 | 1736 | 1266 | 887 | 898 | — | 588 | 763 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 405 | 28 | 27 | 31 | 27 | 27 | 216 | 31 | 119 | 568 | 229 | 196 | 571 | 197 | 30 | 588 | 30 | 30 | 220 | 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.
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