Surf Forecasts:
Zambujeira do Mar surf forecast from 19 Aug 2026:
- Best quality surf: Thursday 20 Aug, 4AM (local time) - 1.5ft (0.5m), 10s period, WNW swell with cross-offshore winds.
- Most powerful swell: Saturday 22 Aug, 1AM (local time) - 6ft (1.8m), 10s period, NW swell with 612 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 4AM (local time) - 1.5ft (0.5m), 10s period with WNW 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 Thursday (Aug 20) at 4AM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.4m and 7s. 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 1.8m 10s and forecast to arrive on Saturday (Aug 22) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 12s period and expected on Monday (Aug 24) at 10PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 20th Aug) | 1.5ft (0.5m) 10s |
| Best Surf | 4AM (Thu 20th Aug) | 1.5ft (0.5m) 10s |
| Most Powerful | 1AM (Sat 22nd Aug) | 6ft (1.8m) 10s |
Table - best surf conditions forecast for Zambujeira do Mar over the next 16 days.
The Lowdown
G'day, Rusty here. Look, I’m not gonna sugarcoat it – the next two weeks at Zambujeira do Mar are a real mixed bag, and most of it is pretty ordinary. The water's sitting at 67°, which is a bit colder than usual for this time of year, so you might want a thicker spring suit.
We kick things off with nothing much going on. Wednesday the 19th and Thursday the 20th are a write-off – tiny, weak swell around 2ft to 2ft and poor wind conditions. The combined energy is pathetic (77) on Wednesday morning, so don’t even bother.
Friday the 21st sees a bump in size to 5ft from the NW, but the period is short at 8 seconds. The wind is cross-shore and cross-on, kicking up chop. The energy picks up a bit to moderate (303), but the surf is still poor. Saturday the 22nd is similar – 4ft to 5ft, cross-on winds, messy conditions.
Then we hit a quiet patch. Sunday the 23rd is a glimmer of hope – glassy conditions in the morning with 2ft NW swell, and the energy is moderate (122). The surf is very ordinary, but at least it’s clean. Monday the 24th and Tuesday the 25th are back to poor, with small swell and onshore or cross-on winds.
Wednesday the 26th is another bust, with Thursday the 27th bringing a bit more size (6ft) but short period and a fresh cross-on wind that’s lumpy. Not worth it.
Here’s the standout: Friday morning, August 28th. This is the best session on the board. We’ve got a clean 5ft NW swell with a 9-second period, and the wind is cross-off from the NNE at 9 mph. The combined energy is strong (427), and the wave comment says "expect good surf conditions." This is your window – get out there early before the wind swings NW in the afternoon and ruins it.
After that, it’s a long dry spell. Saturday the 29th and Sunday the 30th are marginal at best. But then, Monday morning, August 31st, we get another shot. Glassy conditions, 5ft NW swell, 9-second period, and strong energy (329). The forecast says "expect good surf conditions" again. This is a solid follow-up session.
The last week of the forecast (September 1st to 3rd) is all poor – moderate to fresh cross-on winds, lumpy, and the swell is too short-period and messy. Nothing to get excited about.
So, to sum it up: the only real windows are Friday morning the 28th and Monday morning the 31st. Everything else is either flat, blown out, or just not worth the paddle. The swell direction is mostly NW, which is a bit off the optimum WNW for Zambujeira do Mar, but when the wind plays nice, it’s still rideable.
Stay sharp, and don’t waste your energy on the dud days.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed morning, min 15°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 13mm), heaviest on Sun afternoon. Warm (max 21°C on Sat morning, min 16°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
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 7 | WNW 10 | WNW 9 | WNW 9 | NW 7 | NW 8 | NW 7 | NW 10 | NW 10 | NNW 10 | NNW 9 | NW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NW 7 | NW 7 | NW 7 | NW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 51 | 37 | 38 | 47 | 44 | 204 | 223 | 167 | 612 | 392 | 314 | 216 | 46 | 108 | 169 | 123 | 98 | 112 | 75 | 47 | 12 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | on | on | cross | cross | cross-on | cross | cross-on | cross-on | cross | glassy | cross-off | cross | cross-on | on | cross | cross-off | cross-on | on |
High Tide | 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 | 1:53PM2.48m | 2:15AM2.37m | ||||||||
Low Tide | 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 | 7:38AM0.70m | 8:09PM0.53m | ||||||||
 |  |  | | | | | | | | | |  |  | | | | | | |  | |
 | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 8:22 | — | — | 8:21 | — | — | 8:20 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 12 | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 21 | 23 | 23 | 19 | 22 | 21 | 18 | 21 | 21 | 18 | 20 | 19 | 18 | 21 | 21 | 19 | 22 | 21 | 20 |
Feels °C | 26 | 24 | 22 | 23 | 22 | 18 | 19 | 18 | 16 | 19 | 19 | 19 | 21 | 20 | 18 | 19 | 19 | 19 | 20 | 19 | 21 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 7 | NNW 7 | WNW 9 | WNW 9 | WNW 8 | NW 8 | NNW 11 | SW 14 | NW 10 | NNW 10 | WNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WSW 5 | SW 5 | NW 7 | WNW 7 | NW 4 |
| kJ | 51 | 37 | 19 | 47 | 44 | 41 | 223 | 149 | 7 | 392 | 314 | 24 | 40 | 108 | 169 | 123 | 6 | 1 | 75 | 5 | 12 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 10 | NW 6 | SSW 4 | NW 11 | NNW 12 | WNW 9 | — | WNW 9 | WNW 9 | SW 14 | WNW 9 | WNW 8 | W 7 | W 6 | W 8 | W 8 | W 8 | W 10 | NNW 6 |
| kJ | 6 | 6 | 38 | 17 | 2 | 29 | 55 | 25 | — | 27 | 25 | 8 | 29 | 51 | 37 | 11 | 1 | 1 | 1 | 2 | 8 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | WNW 11 | SW 4 | SSW 4 | SW 13 | SW 15 | WNW 9 | SW 14 | — | SW 14 | SW 14 | — | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | S 12 | W 11 | S 12 | NW 10 |
| kJ | 20 | 12 | 4 | 2 | 7 | 8 | 25 | 7 | — | 8 | 8 | — | 7 | 7 | 7 | 7 | 6 | 3 | 2 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | — | SW 4 | — | — | NW 6 | NW 7 | — | NW 7 | NW 10 | — | — | NNW 9 | NW 7 | — | — | — | NNW 8 | NW 7 | — | NW 7 | — |
| kJ | — | 4 | — | — | 20 | 204 | — | 167 | 612 | — | — | 216 | 46 | — | — | — | 98 | 112 | — | 47 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 20 | 37 | 20 | 59 | 54 | 130 | 70 | 725 | 70 | 70 | 60 | 27 | 0 | 0 | 137 | 404 | 644 | 27 | 0 | 577 | 276 |
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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