Surf Forecasts:
Foz do Lizandro surf forecast from 21 Aug 2026:
- Best quality surf: Sunday 23 Aug, 4AM (local time) - 7ft (2.2m), 12s period, WNW swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 4AM (local time) - 7ft (2.2m), 12s period, WNW swell with 1,384 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 4AM (local time) - 7ft (2.2m), 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 2.2m 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 2.2m 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 1.8m 10s period and expected on Friday (Aug 21) at 10PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sun 23rd Aug) | 7ft (2.2m) 12s |
| Best Surf | 4AM (Sun 23rd Aug) | 7ft (2.2m) 12s |
| Most Powerful | 4AM (Sun 23rd Aug) | 7ft (2.2m) 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 our little slice of coastline.
To be straight with you, mate, this stretch is lookin’ pretty quiet over the next 16 days. I’ve had a scan through, and there’s not a single standout session across the whole forecast window. The surf quality is flagged as poor for nearly every single time slot, so we’re not talking about anything that’ll get your heart racin’. The only real spike in swell comes in on Sunday the 23rd, but it’s too big for the break and not well aligned anyway, so that one’s a write-off.
The first possible wave comes through Friday the 21st morning, but it’s a tiny 1 ft wind swell out of the WNW with a short 8-second period and lumpy cross-shore wind. The combined wave energy is weak, just 43 (weak). Not worth paddling out for. After that, it’s more of the same: small, short-period, messy conditions through Saturday the 22nd and beyond.
Foz do Lizandro is a river mouth setup that’s beginner-friendly and fairly consistent, but the wind and swell just aren’t cooperating. The water temp’s about 68°, which is close to average for this time of year.
There’s a long gap from Sunday the 23rd afternoon all the way through to the end of the outlook with no decent recommendations – the forecast just keeps showing poor surf conditions with cross and cross-on winds, and only tiny scraps of swell. If you’re desperate for a paddle, maybe early on Friday the 28th morning you’ll see a 0.3 ft southerly swell with a long 11-second period, but that’s barely a ripple and combined energy is only 2 (very weak).
So, honest truth: this is a quiet spell. It’s just one of those runs where the ocean’s not giving us much. Keep your board waxed, and check back – forecasts can change.
Stay salty,
Rusty
Short Range ForecastHeavy rain (total 52mm), heaviest during Sun morning. Warm (max 22°C on Sun afternoon, min 18°C on Fri night). Winds increasing (light winds from the WNW on Sat morning, fresh winds from the SSW by Sun night). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Wed morning. Warm (max 22°C on Mon morning, min 19°C on Wed night). Winds decreasing (fresh winds from the SSW on Mon morning, light winds from the SW by Mon night). | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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 8 | SSW 15 | WNW 9 | W 9 | W 9 | WNW 13 | W 11 | W 10 | WSW 9 | WSW 8 | W 9 | W 8 | W 7 | WNW 7 | WNW 7 | WNW 6 | WNW 7 | WNW 9 | NW 8 | NW 8 | NW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 22 | 21 | 59 | 38 | 39 | 1274 | 1011 | 520 | 600 | 882 | 1285 | 465 | 220 | 139 | 85 | 123 | 157 | 475 | 338 | 289 | 299 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross |
High Tide | 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 | 3:15PM2.87m | 3:34AM2.69m | ||||||||
Low Tide | 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 | 9:01AM0.39m | 9:28PM0.24m | ||||||||
 | |  | | | |  |  |  |  | | | |  |  | | | | | | | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — |
 | — | 8:24 | — | — | 8:22 | — | — | 8:22 | — | — | 8:20 | — | — | 8:19 | — | — | 8:17 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | 30 | 13 | 9 | 2 | 1 | — | — | — | 1 | 2 | — | — | — | — | — |
Temp °C | 20 | 20 | 18 | 20 | 21 | 20 | 21 | 22 | 21 | 22 | 22 | 21 | 21 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 18 |
Feels °C | 16 | 15 | 15 | 19 | 20 | 20 | 17 | 20 | 18 | 18 | 19 | 21 | 21 | 22 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | NNW 11 | SSW 15 | NNW 10 | NNW 10 | NNW 9 | WNW 13 | W 11 | W 10 | WSW 9 | NNW 8 | N 8 | W 8 | W 7 | WNW 7 | WNW 7 | SW 12 | SW 11 | WNW 9 | NW 8 | NW 8 | NW 8 |
| kJ | 286 | 21 | 537 | 394 | 248 | 1274 | 1011 | 520 | 600 | 11 | 5 | 465 | 220 | 139 | 85 | 5 | 5 | 475 | 338 | 289 | 299 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | W 11 | WNW 9 | W 9 | W 9 | NNW 9 | N 8 | N 8 | N 8 | SW 13 | SW 13 | N 8 | N 7 | SW 12 | W 9 | — | N 13 | SW 11 | SW 11 | SW 11 | NW 14 |
| kJ | 22 | 2 | 59 | 38 | 39 | 113 | 49 | 33 | 10 | 7 | 6 | 10 | 1 | 6 | 2 | — | 3 | 5 | 5 | 5 | 7 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | — | NNW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | — | — | SW 12 | SW 12 | N 7 | SW 12 | — | — | — | — | NW 14 | SW 11 |
| kJ | 21 | — | 29 | 20 | 20 | 20 | 18 | 17 | 16 | — | — | 6 | 6 | 1 | 6 | — | — | — | — | 8 | 4 |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 10 | — | — | — | — | SSE 4 | S 6 | S 5 | WSW 8 | W 9 | — | — | — | — | WNW 6 | WNW 7 | — | — | — | — |
| kJ | 229 | 794 | — | — | — | — | 21 | 144 | 80 | 882 | 1285 | — | — | — | — | 123 | 157 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 405 | 125 | 28 | 216 | 0 | 138 | 0 | 138 | 411 | 266 | 31 | 1 | 14 | 47 | 27 | 216 | 28 | 30 | 31 | 27 |
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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