Surf Forecasts:
Praia das Macas surf forecast from 7 Sep 2026:
- Most powerful swell: Thursday 10 Sep, 10PM (local time) - 6.5ft (2.0m), 10s period, NNW swell with 761 kJ wave energy.
Best Forecast Surf Conditions for Praia das Macas this week:
The most powerful waves expected at Praia das Macas in the next 16 days are 2.0m 10s and forecast to arrive on Thursday (Sep 10) 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 12s period and expected on Sunday (Sep 13) at 7PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Thu 10th Sep) | 6.5ft (2.0m) 10s |
Table - best surf conditions forecast for Praia das Macas over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get straight into it. The forecast for the next couple of weeks is a bit of a tough one for Praia das Macas. We’ve got swell on the cards, but the wind is pretty much always in the wrong direction, and the quality is suffering for it. There’s a real gap at the start here, with nothing worthwhile on offer for the first few days. The first real chance to even think about getting wet doesn’t show up until Sunday the 13th of September.
That Sunday morning is our best bet of the whole period. The wind is a light cross-shore breeze from the north at 9 mph, which is about as clean as it’s going to get. We’ve got a 3 ft swell rolling in from the NW with a very long period of 14 seconds. That’s proper groundswell energy, and the combined energy reading is 612 (moderate). That long period will favor the points and reefs, but at a beach like Praia das Macas, it might be a bit too straight and fat. Still, it’s the only window where the wind isn’t ruining it, and the water temp is a normal 68° for this time of year. It’s a beginner-friendly break, and while it can get crowded, it’s worth a look for a slow, clean session.
The rest of the week is a write-off. The wind is constantly cross-on or cross-shore, mostly from the north and northwest, building to a strong breeze by the 9th and 10th, with waves up to 7 ft but messy and lumpy. The swell energy picks up to 494 (moderate) mid-week, but the wind keeps it ugly. Kite surfers might get a kick out of the onshore wind and chest-high chop, but for paddle surfing, it’s a pass.
The following week doesn’t get much better. The swell sticks around – we see a 13 ft swell on Thursday the 17th of September, giving a massive combined energy of 2910 (strong to very strong). That’s way too big for beginners and only for experts, but again, the wind is a strong cross-onshore, so it’s going to be a beast of a closeout. By Friday the 18th and Saturday the 19th, the wind is still a fresh breeze, making conditions poor. The last hopeful signs are on Monday the 21st of September, with a 4 ft NW swell and a 13-second period, but the wind is a fresh 19 mph cross-onshore, so it’s just another lumpy day.
To be honest, if you can’t make that Sunday morning (13th September), there’s not much else to get excited about. The surf is there, but the wind is going to keep it a messy, blown-out affair for the rest of the forecast. Keep an eye on the charts, but for now, that Sunday is your one clean shot.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Mon morning, min 18°C on Mon night). Winds increasing (moderate winds from the NNW on Tue night, strong winds from the N by Wed night). | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Sat night, min 18°C on Thu morning). Winds decreasing (fresh winds from the N on Thu night, light winds from the N by Sat morning). | ||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||
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 12 | W 12 | WNW 11 | WNW 10 | WNW 9 | NW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 10 | NNW 9 | NNW 5 | NNW 7 | NNW 8 | NW 15 | NW 14 | NW 13 | NW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 799 | 628 | 423 | 281 | 180 | 152 | 356 | 480 | 688 | 508 | 310 | 298 | 109 | 227 | 51 | 207 | 199 | 227 | 350 | 543 | 546 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross |
High Tide | 12:23PM2.48m | 1:04AM2.39m | 1:21PM2.73m | 1:55AM2.59m | 2:09PM2.95m | 2:38AM2.76m | 2:52PM3.09m | 3:17AM2.87m | 3:31PM3.15m | 3:54AM2.92m | 4:08PM3.11m | 4:29AM2.90m | 4:44PM2.99m | ||||||||
Low Tide | 6:52PM0.49m | 7:07AM0.55m | 7:45PM0.26m | 7:56AM0.34m | 8:29PM0.07m | 8:38AM0.17m | 9:09PM-0.04m | 9:17AM0.06m | 9:45PM-0.07m | 9:54AM0.03m | 10:19PM-0.02m | 10:30AM0.08m | 10:52PM0.10m | ||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |
 | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 7:59 | — | — | 7:58 | — | — | 7:55 | — | — | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — | 7:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 19 | 19 | 20 | 20 | 18 | 18 | 18 | 19 | 19 | 18 | 21 | 21 | 19 | 21 | 21 | 22 | 24 | 23 | 23 |
Feels °C | 18 | 17 | 17 | 17 | 19 | 20 | 13 | 12 | 12 | 15 | 15 | 13 | 18 | 17 | 16 | 21 | 21 | 21 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | WNW 11 | WNW 10 | WNW 9 | NW 9 | — | NW 15 | NNW 13 | NNW 12 | NNW 11 | W 10 | NNW 10 | W 7 | NNW 9 | NNW 7 | WNW 9 | NNW 7 | NW 8 | NW 13 | NW 12 |
| kJ | 799 | 628 | 423 | 281 | 180 | 152 | — | 8 | 33 | 81 | 234 | 2 | 109 | 4 | 28 | 207 | 46 | 148 | 262 | 543 | 546 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | — | — | — | — | NW 9 | — | NW 12 | — | NW 10 | W 8 | — | W 7 | W 8 | NW 9 | WNW 10 | NW 18 | NW 15 | NW 14 | NNW 8 | NNW 8 |
| kJ | 61 | — | — | — | — | 20 | — | 6 | — | 67 | 10 | — | 4 | 6 | 12 | 19 | 12 | 227 | 350 | 197 | 146 |
Swell 3 Height (m) Direction Period (s) | NW 10 | — | — | — | — | — | — | — | — | — | — | W 10 | W 9 | — | W 7 | S 13 | S 12 | W 9 | S 12 | S 12 | S 11 |
| kJ | 24 | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | 3 | 3 | 3 | 40 | 3 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | NNW 4 | NNW 5 | NNW 4 | NNW 4 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 6 | NNW 9 | NNW 5 | — | NNW 8 | — | — | WNW 8 | — |
| kJ | 42 | 57 | 29 | 24 | 22 | 10 | 356 | 480 | 688 | 508 | 310 | 298 | 85 | 227 | 51 | — | 199 | — | — | 37 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 379 | 14 | 14 | 449 | 129 | 581 | 420 | 129 | 15 | 436 | 35 | 35 | 573 | 156 | 20 | 15 | 14 | 14 | 14 | 14 |
Best forecast wave conditions in Lisboa | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Praia das Macas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Praia das Macas Surf forecast
The above surf forecast table for Praia das Macas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia das Macas can be found by selecting the local surf guide option on the grey menu. Our Praia das Macas 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 (Praia das Macas) 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 Praia das Macas 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.
Praia das Macas is 9 km (6 miles) from Sintra. If you plan a holiday in Lisboa, 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.
Nearest