Surf Forecasts:
Foz do Lizandro surf forecast from 6 Aug 2026:
- Most powerful swell: Wednesday 12 Aug, 4PM (local time) - 3.5ft (1.0m), 10s period, W swell with 184 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 1.0m 10s and forecast to arrive on Wednesday (Aug 12) 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 1.3m 8s period and expected on Thursday (Aug 06) at 7PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Wed 12th Aug) | 3.5ft (1.0m) 10s |
Table - best surf conditions forecast for Foz do Lizandro over the next 16 days.
The Lowdown
Alright, let’s talk in feet and miles per hour, because that’s how it feels.
This stretch at Foz do Lizandro is a tough one. The wind is a constant problem, blowing cross-shore and cross-onshore from the NNW, and it just won’t give us a break. The waves are tiny for the first week, and when they try to get a little bigger, the wind is there to chop it all up.
The first real chance to get wet is on the morning of Sunday the 10th of August. There’s a 2ft swell from the NW with a period of 8 seconds, but the combined energy is weak (87), and the cross-shore wind is still messy. It’s a long wait for something that’s not great.
The best of the bunch comes around the 12th and 13th of August. On the afternoon of the 12th, we get a 3ft swell from the west, with a period of 10 seconds and a moderate cross-shore wind. The energy hits a moderate 195, which is the highest we’ll see. It’s a river mouth, so it can handle a bit of chop, but it’s not going to be glassy. The wind is just not cooperating.
The 14th of August morning shows a bigger 4ft swell from the NNW, but it’s a short-period 6 seconds, and the energy is moderate at 182. The wind is still cross-shore and lumpy. This is really only for experienced surfers who can handle the bumpy, disorganized conditions.
The water is around 68°F, which is normal for this time of year, so no surprises there.
The standout, if you can call it that, is the afternoon of the 12th of August. The swell direction from the west is right for this break, and the size is rideable. But the wind is the killer. It’s not going to be a classic session. Crowds are possible here, but with this quality, it shouldn’t be too busy.
Into the second week, from the 15th of August onward, it drops off a cliff. The swell gets smaller and the wind stays strong. By the 18th, we’re looking at tiny 0.3ft swell with a very long period of 16 seconds, but with strong cross-shore winds. That’s a no-go.
For a beach and river mouth setup like this, with the constant wind and poor quality, it honestly looks more interesting for a kite surfer than a paddle surfer for most of this period.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 19°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Sun morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
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 10 | W 10 | W 10 | W 9 | W 9 | W 9 | WNW 9 | W 8 | W 7 | W 7 | NW 10 | WNW 7 | NW 8 | NW 8 | NW 7 | NNW 6 | NNW 6 | WNW 10 | WNW 9 | W 10 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 70 | 49 | 56 | 43 | 42 | 40 | 26 | 32 | 35 | 34 | 49 | 56 | 54 | 82 | 93 | 53 | 56 | 102 | 108 | 184 | 169 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross | cross |
High Tide | 9:08PM2.30m | 9:51AM2.28m | 10:33PM2.23m | 11:16AM2.33m | 00:00AM2.29m | 12:33PM2.50m | 1:13AM2.45m | 1:37PM2.74m | 2:11AM2.63m | 2:30PM2.98m | 3:01AM2.79m | 3:17PM3.16m | 3:45AM2.89m | ||||||||
Low Tide | 2:47PM0.76m | 3:24AM0.77m | 4:09PM0.82m | 4:48AM0.82m | 5:40PM0.74m | 6:12AM0.73m | 6:58PM0.54m | 7:19AM0.55m | 7:59PM0.31m | 8:14AM0.36m | 8:50PM0.09m | 9:01AM0.19m | 9:36PM-0.05m | ||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — | 6:47 | — | — |
 | — | 8:44 | — | — | 8:43 | — | — | 8:40 | — | — | 8:39 | — | — | 8:38 | — | — | 8:37 | — | — | 8:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 20 | 22 | 22 | 20 | 22 | 23 | 21 | 22 | 22 | 20 | 22 | 21 | 20 | 21 | 22 | 20 | 22 | 22 | 20 |
Feels °C | 19 | 19 | 18 | 20 | 20 | 19 | 21 | 22 | 22 | 21 | 21 | 19 | 21 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | NNW 8 | W 9 | W 9 | W 9 | N 8 | N 8 | W 7 | W 7 | W 7 | NNW 10 | NW 8 | W 6 | W 6 | NW 9 | NW 12 | WNW 10 | WNW 9 | W 10 | W 9 |
| kJ | 70 | 49 | 72 | 43 | 42 | 40 | 46 | 31 | 35 | 34 | 34 | 61 | 54 | 21 | 12 | 20 | 35 | 102 | 108 | 184 | 169 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | W 10 | S 13 | S 12 | S 12 | WNW 9 | W 8 | NNW 12 | NNW 11 | NW 10 | W 12 | W 7 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | NNW 10 | NNW 9 | NNW 11 | N 10 |
| kJ | 3 | 3 | 46 | 3 | 3 | 3 | 26 | 32 | 14 | 47 | 49 | 3 | 22 | 12 | 10 | 19 | 18 | 41 | 32 | 90 | 50 |
Swell 3 Height (m) Direction Period (s) | SW 12 | — | SW 13 | — | — | — | S 12 | S 12 | S 11 | N 7 | S 11 | S 11 | S 12 | NW 14 | NNW 13 | NNW 12 | WNW 12 | NNW 8 | NNW 11 | — | — |
| kJ | 6 | — | 7 | — | — | — | 3 | 3 | 2 | 4 | 2 | 2 | 3 | 8 | 17 | 29 | 27 | 12 | 41 | — | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 5 | NNW 9 | NNW 9 | NNW 8 | — | NW 2 | NNW 7 | — | NNW 3 | WNW 7 | NNW 4 | NW 8 | NW 7 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 4 | NNW 4 |
| kJ | 164 | 180 | 56 | 189 | 189 | 120 | — | 1 | 16 | — | 4 | 56 | 8 | 82 | 93 | 53 | 56 | 41 | 26 | 11 | 13 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 552 | 269 | 144 | 982 | 30 | 30 | 491 | 30 | 30 | 752 | 27 | 27 | 553 | 27 | 119 | 434 | 27 | 27 | 557 | 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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