Surf Forecasts:
Zambujeira do Mar surf forecast from 18 Aug 2026:
- Best quality surf: Sunday 23 Aug, 1AM (local time) - 7ft (2.2m), 8s period, NNW swell with cross-shore winds.
- Most powerful swell: Sunday 23 Aug, 7PM (local time) - 8ft (2.5m), 8s period, NNW swell with 910 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 10PM (local time) - 3ft (0.9m), 8s period with NNW 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 Tuesday (Aug 18) at 10PM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.2m and 8s. The wind is predicted to be glassy 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 Sunday (Aug 23) at 7PM. 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 13s period and expected on Monday (Aug 24) at 1PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 18th Aug) | 3ft (0.9m) 8s |
| Best Surf | 1AM (Sun 23rd Aug) | 7ft (2.2m) 8s |
| Most Powerful | 7PM (Sun 23rd Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Zambujeira do Mar over the next 16 days.
The Lowdown
Alright, this is Rusty.
Let’s be straight about the next 16 days at Zambujeira do Mar. It’s a tough outlook. For the first two weeks, the wind is a nightmare — mostly from the NW, blowing onshore, tearing up whatever swell tries to show up. The water is sitting at 67°, which is a bit colder than normal for this time of year, so you’ll want a good wetsuit.
We start Tuesday, the 18th of August, with a tiny 3ft swell from the NNW at a short 8 seconds, but the wind is already cross-on from the SW, so it’s pretty average. That theme stays solid until the 28th of August. We get a bump in size, with Saturday the 22nd seeing 7ft to 7ft from the NNW, but it’s still cross-on and choppy. The combined energy hits 550 (moderate) on Saturday afternoon, but it’s not clean. By Sunday the 23rd, we’re looking at 8ft to 8ft, with a fresh 19 mph cross-on wind making it lumpy and tough. That’s expert-only territory, and even then, it’s not pretty.
There’s a long gap of poor conditions until the very end of the month. The one tiny glimmer in the whole run is Monday morning, the 31st of August. The wind goes glassy, with a light SSE breeze at 3 mph, and there’s a 3ft swell from the WNW with a 9-second period. That’s actually surfable, and the combined energy is 156 (moderate). It’s the only time the conditions look clean. But it’s small, and it’s a Monday morning, so you’ll have to be there.
The real standout, and the only one I’d point a finger at, is Tuesday morning, the 1st of September. The wind is cross-off from the NNE at a slight 3 mph, and we’ve got a 4ft swell from the NW with an 8-second period. The combined energy is 223 (moderate), and the forecast says "expect good surf conditions." That’s your best bet. The water should still be a bit chilly, but the wind is right, and the waves will be clean. Get on it.
Outside of that, there’s a small window on Wednesday morning, the 2nd of September, with a clean 3ft swell from the NW, but it’s much smaller. The rest of the time is a write-off for a good paddle. To be honest, with all the onshore wind and chop, this setup looks more interesting for kite surfing than paddle surfing for most of the month.
Until next time, keep your eyes on the horizon.
Rusty
Short Range ForecastMostly dry. Warm (max 27°C on Wed morning, min 17°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Fri morning, min 16°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | WNW 10 | WNW 9 | WNW 9 | NNW 6 | NW 8 | NW 7 | NW 7 | NNW 8 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NW 8 | NNW 8 | NNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 114 | 103 | 80 | 52 | 31 | 38 | 47 | 44 | 105 | 223 | 217 | 373 | 477 | 542 | 560 | 790 | 804 | 545 | 306 | 198 | 205 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | glassy | cross | cross-on | cross-off | cross-on | on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 7:06PM2.38m | 7:29AM2.25m | 7:53PM2.12m | 8:21AM2.08m | 8:57PM1.92m | 9:36AM1.97m | 10:29PM1.83m | 11:08AM1.97m | 11:57PM1.89m | 12:22PM2.10m | 00:57AM2.04m | 1:14PM2.28m | 1:40AM2.20m | ||||||||
Low Tide | 12:47PM0.57m | 1:10AM0.68m | 1:33PM0.79m | 1:54AM0.90m | 2:32PM0.97m | 2:58AM1.07m | 4:01PM1.08m | 4:32AM1.13m | 5:41PM1.04m | 6:00AM1.04m | 6:48PM0.89m | 6:57AM0.88m | 7:33PM0.71m | ||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 8:23 | — | — | 8:22 | — | — | 8:21 | — | — | 8:20 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 20 | 27 | 26 | 21 | 24 | 23 | 19 | 22 | 22 | 18 | 22 | 21 | 19 | 21 | 21 | 19 | 21 | 21 | 18 |
Feels °C | 25 | 23 | 22 | 26 | 24 | 24 | 24 | 22 | 19 | 20 | 19 | 15 | 18 | 18 | 16 | 17 | 16 | 16 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | WNW 9 | WNW 9 | WNW 9 | NW 8 | NNW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | NW 8 | W 8 | W 8 |
| kJ | 114 | 103 | 80 | 52 | 31 | 20 | 47 | 44 | 44 | 223 | 105 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 306 | 5 | 1 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SSW 4 | NW 6 | SSW 4 | NW 11 | NNW 12 | WNW 9 | SW 14 | — | — | — | — | — | — | SW 13 | S 13 | S 12 |
| kJ | 6 | 6 | 7 | 6 | 6 | 7 | 10 | 2 | 29 | 56 | 15 | 7 | — | — | — | — | — | — | 7 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SSW 15 | SW 14 | SSW 14 | WNW 11 | WNW 10 | SSW 4 | SW 13 | NW 8 | WNW 9 | SW 14 | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 22 | 8 | 20 | 12 | 38 | 3 | 7 | 11 | 16 | 7 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 4 | SSW 3 | — | — | NW 6 | NNW 6 | — | NW 7 | NW 7 | NNW 8 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | — | NNW 8 | NNW 7 |
| kJ | — | — | — | 1 | 4 | — | — | 15 | 105 | — | 217 | 373 | 477 | 542 | 560 | 790 | 804 | 545 | — | 198 | 205 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 20 | 48 | 0 | 20 | 211 | 0 | 129 | 582 | 404 | 29 | 725 | 29 | 449 | 725 | 404 | 394 | 770 | 425 | 425 | 767 | 44 |
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.
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