
Surf Forecasts:
Zambujeira do Mar surf forecast from 12 Aug 2026:
- Best quality surf: Sunday 16 Aug, 10AM (local time) - 7ft (2.2m), 9s period, NW swell with cross-onshore winds.
- Most powerful swell: Saturday 15 Aug, 10PM (local time) - 8ft (2.5m), 8s period, NW swell with 958 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 4AM (local time) - 3.5ft (1.1m), 6s period with NW swell.
Best Forecast Surf Conditions for Zambujeira do Mar this week:
The surf forecast for Zambujeira do Mar over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 4AM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.5m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Zambujeira do Mar in the next 16 days are 2.5m 8s and forecast to arrive on Saturday (Aug 15) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 18s period and expected on Saturday (Aug 15) at 10AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Wed 12th Aug) | 3.5ft (1.1m) 6s |
| Best Surf | 10AM (Sun 16th Aug) | 7ft (2.2m) 9s |
| Most Powerful | 10PM (Sat 15th Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Zambujeira do Mar over the next 16 days.
The Lowdown
Alright, let’s size up the surf for Zambujeira do Mar over the next couple of weeks.
The first few days are pretty grim for a proper surf. Wednesday and Thursday are small and choppy with cross-shore and cross-onshore winds. The swell is there, but it’s not clean, and the energy is weak to moderate (122 to 235). Friday gets lumpier, and by Saturday afternoon the wind is a fresh 30 km/h from the northwest, making it nasty. The swell is pushing 7ft, but the onshore wind is just ruining it.
Then we get a bit of a glimmer. Sunday morning the 16th of August could be a sneaky one. The swell is a solid 7ft from the NW with a 9-second period, and the wind is light cross-onshore. The combined energy is strong (776), but the forecast is cautious – it says the swell might be too big for this break. That’s a word to the wise; this is an exposed spot, and that much NW swell might turn it into a washing machine. Keep an eye on it, but don’t get your hopes up.
The real standout, the one you’ve been waiting for, is Monday morning the 17th of August. Get your gear ready. The wind goes glassy – a perfect 5 km/h from the northeast. The swell is a quality 6ft from the NW, with a 9-second period, and the energy is moderate-to-strong (513). This is about as good as it gets for Zambujeira. Clean, lined-up waves with that offshore breeze. Expect a few others out, though, as it’s a very consistent spot that can get a crowd.
The rest of the week after that is a mixed bag. Tuesday sees a smaller NNW swell, but the wind swings onshore in the afternoon. Wednesday and Thursday are mostly poor with moderate to fresh cross-onshore winds. The swell drops right off, with energy falling to 112 by Wednesday morning. There’s a bit of a window on Friday morning the 21st of August – a 6ft NW swell with a 10-second period and light cross-shore winds. The energy is solid (626), but the forecast is only marginal, so it’s a gamble.
The following week loses its spark. The wind stays onshore or cross-onshore for most of it, and the swell period drops to a short, weak 7 seconds. The energy is mostly moderate (159 to 534), but the wind just ruins the surface. The 25th of August has a bigger 7ft NW swell, but it’s accompanied by a 20 km/h onshore breeze, so it’s a lumpy mess. Not worth a paddle.
So, to sum it up: the best bet is Monday morning, the 17th of August. That glassy, clean session is the highlight. Sunday morning is a wildcard if you’re an expert, but it’s a gamble. After that, it’s a lot of onshore slop, especially in the second week. The water temperature is about average for the time of year, so no surprises there.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Thu morning, min 18°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Mon morning, min 18°C on Fri night). Winds decreasing (fresh winds from the NNW on Sat afternoon, calm by Sun night). | ||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||
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 9 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NNW 9 | NW 9 | NW 9 | NW 8 | NNW 8 | NNW 8 | NNW 8 |
Wave Graph | |||||||||||||||||||||
47 | 135 | 153 | 163 | 132 | 200 | 136 | 351 | 441 | 515 | 650 | 864 | 766 | 621 | 844 | 505 | 388 | 262 | 235 | 188 | 123 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | on | glassy | cross-on | on | glassy |
High Tide | 3:02PM3.09m | 3:30AM2.83m | 3:46PM3.19m | 4:12AM2.86m | 4:27PM3.18m | 4:51AM2.83m | 5:07PM3.07m | 5:30AM2.74m | 5:46PM2.88m | 6:08AM2.60m | 6:25PM2.64m | 6:46AM2.43m | 7:06PM2.38m | ||||||||
Low Tide | 8:46AM0.18m | 9:21PM-0.05m | 9:29AM0.07m | 10:03PM-0.10m | 10:10AM0.04m | 10:42PM-0.06m | 10:49AM0.08m | 11:20PM0.06m | 11:28AM0.20m | 11:56PM0.24m | 12:06PM0.37m | 00:32AM0.45m | 12:47PM0.57m | 1:10AM0.68m | |||||||
6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | |
— | 8:31 | — | — | 8:30 | — | — | 8:29 | — | — | 8:28 | — | — | 8:27 | — | — | 8:24 | — | — | 8:23 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 25 | 20 | 30 | 25 | 20 | 27 | 24 | 20 | 24 | 23 | 20 | 24 | 24 | 19 | 27 | 25 | 21 | 29 | 27 | 22 |
Feels °C | 27 | 24 | 21 | 28 | 24 | 22 | 26 | 22 | 20 | 22 | 21 | 19 | 24 | 24 | 20 | 26 | 25 | 23 | 28 | 27 | 24 |
Swell 1 Height (m) Direction Period (s) | NW 5 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NW 8 | S 18 | S 18 | S 16 | NW 9 | S 16 | SW 15 | NW 9 | NW 9 | NW 8 | NNW 8 | NNW 8 | NNW 8 |
35 | 135 | 153 | 163 | 132 | 200 | 136 | 141 | 142 | 6 | 6 | 5 | 766 | 5 | 8 | 505 | 388 | 262 | 235 | 188 | 123 | |
Swell 2 Height (m) Direction Period (s) | WNW 9 | NW 9 | NNW 9 | NW 6 | NW 12 | — | — | — | — | — | — | — | SW 16 | — | — | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | WNW 9 |
47 | 23 | 8 | 51 | 51 | — | — | — | — | — | — | — | 10 | — | — | 8 | 10 | 10 | 10 | 9 | 7 | |
Swell 3 Height (m) Direction Period (s) | WNW 11 | — | — | NNW 10 | NNW 9 | — | — | — | — | — | — | — | — | — | — | — | — | SW 13 | — | S 9 | SW 14 |
40 | — | — | 9 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — | 2 | 8 | |
Wind waves Height (m) Direction Period (s) | — | NW 5 | NNW 6 | — | NW 6 | NNW 6 | NW 6 | NW 9 | NW 8 | NW 8 | NW 8 | NW 9 | — | NW 9 | NNW 9 | — | — | — | — | — | — |
— | 28 | 87 | — | 44 | 141 | 85 | 351 | 441 | 515 | 650 | 864 | — | 621 | 844 | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 29 | 54 | 21 | 27 | 54 | 29 | 29 | 320 | 70 | 580 | 208 | 378 | 44 | 60 | 27 | 0 | 695 | 0 | 20 | 581 | 0 |
Best forecast wave conditions in Portugal - Alentejo | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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Information about the Zambujeira do Mar Surf forecast
The above surf forecast table for Zambujeira do Mar provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Zambujeira do Mar can be found by selecting the local surf guide option on the grey menu. Our Zambujeira do Mar 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 (Zambujeira do Mar) 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 Zambujeira do Mar 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.
Zambujeira do Mar is 48 km (30 miles) from Lagos. If you plan a holiday in Portugal - Alentejo, look for hotels and other accommodation in Lagos. Lagos has rooms for a wide range of budgets as well as car hire and transport links.











