Surf Forecasts:
Foz do Lizandro surf forecast from 4 Sep 2026:
- Best quality surf: Friday 4 Sep, 1PM (local time) - 2.5ft (0.7m), 8s period, WNW swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 1PM (local time) - 5ft (1.5m), 12s period, WNW swell with 603 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 1PM (local time) - 2.5ft (0.7m), 8s 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 Friday (Sep 04) at 1PM. The primary swell is predicted to be 0.7m and 8s 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 1.5m 12s and forecast to arrive on Monday (Sep 07) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 8s period and expected on Wednesday (Sep 09) at 1AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Fri 4th Sep) | 2.5ft (0.7m) 8s |
| Best Surf | 1PM (Fri 4th Sep) | 2.5ft (0.7m) 8s |
| Most Powerful | 1PM (Mon 7th Sep) | 5ft (1.5m) 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 look at what's on the menu for Foz do Lizandro over the next couple of weeks.
Right off the bat, I gotta be straight with you – it’s a rough start. The first week and a bit is pretty much a write-off. We've got a long stretch of poor surf conditions from now all the way through to the 12th of September. The waves are tiny, the energy is weak (40 to 263), and the wind is mostly messing things up with cross-shore and cross-onshore chop. Not worth paddling out for. You’d be better off cleaning the wax off your board.
The first glimmer of hope shows up on Sunday morning, the 13th of September. That’s where things get interesting. We’ve got a proper pulse of NW swell rolling in, coming in at 3 ft, but the real story is the period – a solid 16 seconds. That's a proper groundswell with some serious legs. The combined energy is pumping at 592, which is strong, and the wind is glassy. That’s the magic word. It’ll be clean as a whistle. This is the standout of the whole forecast, no question. The swell direction from NW is right in the sweet spot for this river break. Keep in mind, a long period like that can make it a bit straight at the beach, but for a river mouth, it should groom up nicely. The water temp is sitting at 69°, which is pretty much spot on for this time of year.
Monday the 14th is also worth a mention. Morning session looks clean with a cross-off breeze from the NE and a 5 ft NW swell. The energy is still solid at 517, and it’ll be clean. It’s not quite the glassy perfection of Sunday, but it’s a very good option for a Monday paddle.
After that, it drops off again. Tuesday the 15th has a tiny glassy wave in the morning, but it’s only 2 ft with weak energy (118). You might get a few fun ones if you’re on a log, but nothing to get excited about. The rest of the second week is back to poor surf with choppy wind and minimal swell. The 17th of September afternoon has a bit of size at 4 ft, but it’s cross-shore and lumpy, so it’s a pass.
So to wrap it up: don't even bother looking at the ocean until the 13th. That Sunday is your day. Get down there early for the glassy conditions and that long-period groundswell. Monday morning is the backup. After that, it's back to waiting.
Rusty.
Short Range ForecastMostly dry. Warm (max 31°C on Thu afternoon, min 20°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Sun afternoon, min 17°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||
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 | WNW 9 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | NW 9 | NW 13 | WNW 9 | WNW 9 | WNW 14 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | NW 9 | NNW 8 | NNW 8 | NNW 8 | W 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 47 | 65 | 59 | 59 | 101 | 101 | 120 | 494 | 106 | 64 | 301 | 557 | 553 | 412 | 327 | 216 | 0 | 0 | 0 | 4 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-on | on | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 7:40PM2.39m | 8:13AM2.35m | 8:55PM2.19m | 9:37AM2.25m | 10:33PM2.12m | 11:12AM2.31m | 00:04AM2.23m | 12:30PM2.52m | 1:11AM2.43m | 1:28PM2.77m | 2:02AM2.63m | 2:16PM3.00m | 2:45AM2.80m | |||||||
Low Tide | 1:49AM0.71m | 2:31PM0.77m | 3:05AM0.89m | 4:07PM0.85m | 4:44AM0.93m | 5:46PM0.74m | 6:11AM0.79m | 6:58PM0.51m | 7:13AM0.57m | 7:52PM0.27m | 8:03AM0.35m | 8:37PM0.08m | ||||||||
 |  |  | |  | | | | | | |  | | | | | | | | | |
 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — |
 | 8:05 | — | — | 8:04 | — | — | 8:01 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 31 | 27 | 25 | 26 | 25 | 27 | 28 | 22 | 23 | 23 | 19 | 22 | 21 | 18 | 19 | 20 | 18 | 20 | 20 | 18 |
Feels °C | 28 | 25 | 24 | 25 | 23 | 24 | 24 | 21 | 23 | 21 | 18 | 20 | 18 | 15 | 14 | 15 | 14 | 18 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | NNW 6 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | NW 9 | NW 13 | NNW 12 | NNW 11 | NNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | NW 9 | — | NNW 13 | NNW 12 | W 8 |
| kJ | 47 | 36 | 59 | 59 | 101 | 101 | 120 | 494 | 464 | 323 | 185 | 557 | 553 | 412 | 327 | 216 | — | 69 | 243 | 4 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | WNW 9 | NNW 5 | NW 10 | SW 13 | N 5 | NW 15 | NW 9 | WNW 9 | WNW 9 | WNW 14 | NNW 10 | — | — | — | — | — | — | — | — |
| kJ | 20 | 65 | 14 | 25 | 7 | 13 | 113 | 132 | 106 | 64 | 301 | 63 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SW 13 | SW 13 | N 12 | NW 16 | SW 12 | N 10 | N 6 | W 17 | WNW 9 | — | — | — | — | — | — | — | — | — |
| kJ | 20 | 19 | 7 | 7 | 3 | 11 | 6 | 2 | 1 | 6 | 65 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 7 | — | — | NW 5 | NNW 5 | NNW 5 | N 5 | NNW 4 | — | NNW 4 | NNW 5 | NNW 5 | NNW 4 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 11 |
| kJ | 77 | — | — | 12 | 19 | 14 | 14 | 7 | — | 12 | 30 | 37 | 52 | 146 | 247 | 219 | 476 | 475 | 327 | 815 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 28 | 0 | 28 | 237 | 0 | 0 | 217 | 27 | 27 | 216 | 27 | 27 | 405 | 31 | 140 | 405 | 232 | 144 | 405 | 30 |
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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