Surf Forecasts:
Foz do Lizandro surf forecast from 17 Aug 2026:
- Most powerful swell: Monday 24 Aug, 4PM (local time) - 6.5ft (2.0m), 8s period, NW swell with 540 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 2.0m 8s and forecast to arrive on Monday (Aug 24) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 8s period and expected on Friday (Aug 21) at 1PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Mon 24th Aug) | 6.5ft (2.0m) 8s |
Table - best surf conditions forecast for Foz do Lizandro over the next 16 days.
The Lowdown
Alright, Rusty here again, same story, different numbers. Foz do Lizandro is lookin' flat out rough for the next couple of weeks.
We’ve got a solid stretch of nothing. From now all the way to the end of August, it’s flat or just ankle-biters. Not a single session worth chasing. The water is sitting at 67°, which is a touch colder than normal for the season.
Finally, on the morning of Thursday, August 28th, we get a pulse of swell. The combined energy jumps to (462), with waves hitting about 5ft from the northwest, with a period around 10 seconds. That’s a real increase in size. But the wind is coming from the north at 16 mph, blowing cross-shore and making it lumpy and messy. It’s still a poor surf call.
The only moment that might get your heart racing is the morning of Monday, September 1st. That’s when we see a 7ft northwest swell, with a period of 11 seconds and massive combined energy of (1090). The wind is strong out of the north at 22 mph, cross-shore again, creating a lumpy, churned-up mess. That size is strictly for the pros, and the cross-shore chop makes it a rough one. With that kind of power and wind, it's honestly a better kite-surfing setup than a clean wave day. The river mouth isn't going to help clean it up either with that direction.
So, two weeks of flatness, then one day of big, ragged, expert-only swell. Not much to get excited about right now, but you know how quick things can change around here.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon afternoon. Warm (max 26°C on Mon morning, min 20°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Thu morning, min 18°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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 8 | W 9 | SSW 16 | W 8 | SSW 16 | SSW 15 | SW 14 | NW 10 | WNW 9 | WNW 9 | WNW 9 | NW 9 | SSW 15 | WNW 9 | WNW 9 | W 9 | W 9 | WNW 8 | W 7 | WSW 7 | NW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 9 | 9 | 26 | 10 | 24 | 21 | 33 | 27 | 50 | 45 | 61 | 202 | 21 | 62 | 42 | 39 | 39 | 23 | 279 | 153 | 456 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-on | glassy | cross | cross-on | glassy | cross-on | cross-on | glassy | cross-on | cross-on | cross | cross | cross | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:40PM2.71m | 7:02AM2.50m | 7:21PM2.44m | 7:44AM2.32m | 8:08PM2.18m | 8:37AM2.15m | 9:12PM1.98m | 9:50AM2.03m | 10:42PM1.88m | 11:22AM2.03m | 00:11AM1.94m | 12:36PM2.16m | 1:11AM2.08m | ||||||||
Low Tide | 12:23PM0.38m | 00:49AM0.46m | 1:04PM0.59m | 1:27AM0.69m | 1:50PM0.80m | 2:12AM0.91m | 2:50PM1.00m | 3:15AM1.09m | 4:18PM1.11m | 4:48AM1.16m | 5:56PM1.07m | 6:14AM1.07m | 7:03PM0.92m | ||||||||
 |  |  | | |  | | | | | |  | | | | |  | | | | | |
 | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 8:30 | — | — | 8:29 | — | — | 8:27 | — | — | 8:25 | — | — | 8:24 | — | — | 8:22 | — | — | 8:22 | — |
mm | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 24 | 22 | 24 | 23 | 21 | 23 | 23 | 21 | 22 | 22 | 19 | 20 | 20 | 18 | 21 | 22 | 21 | 20 | 21 | 20 |
Feels °C | 26 | 24 | 24 | 24 | 22 | 23 | 23 | 23 | 24 | 23 | 21 | 15 | 15 | 15 | 14 | 19 | 20 | 19 | 17 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 6 | WNW 9 | WNW 9 | NW 9 | NNW 11 | NNW 10 | WNW 9 | NNW 10 | NNW 9 | NW 9 | W 7 | NNW 8 | NW 8 |
| kJ | 352 | 277 | 226 | 277 | 232 | 163 | 94 | 74 | 30 | 45 | 61 | 202 | 186 | 250 | 42 | 437 | 287 | 182 | 279 | 192 | 456 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 9 | W 8 | W 8 | SSW 16 | WNW 8 | WNW 8 | NW 10 | WNW 9 | NNW 5 | NNW 5 | NNW 12 | SSW 15 | WNW 9 | SSW 14 | W 9 | W 9 | WNW 8 | NNW 8 | WSW 7 | WSW 6 |
| kJ | 4 | 6 | 5 | 10 | 24 | 13 | 12 | 27 | 50 | 11 | 9 | 85 | 21 | 62 | 18 | 39 | 39 | 23 | 96 | 153 | 25 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | SSW 16 | SW 16 | WNW 8 | SSW 15 | SW 14 | WNW 8 | SSW 4 | SSW 4 | NW 11 | SSW 15 | SW 12 | SSW 15 | NNW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | W 9 |
| kJ | 9 | 9 | 26 | 10 | 6 | 21 | 33 | 6 | 4 | 4 | 31 | 21 | 6 | 21 | 14 | 20 | 20 | 20 | 18 | 17 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 3 | — | — | SSW 2 | — | — | — | NNW 5 | NNW 8 | NNW 8 | NNW 10 | — | — | — | — | — | — |
| kJ | — | — | — | — | 2 | — | — | 1 | — | — | — | 75 | 564 | 322 | 636 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 43 | 0 | 0 | 212 | 0 | 1 | 25 | 0 | 14 | 138 | 405 | 237 | 358 | 27 | 28 | 220 | 500 | 217 | 434 | 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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