Surf Forecasts:
Praia das Macas surf forecast from 28 Jul 2026:
- Most powerful swell: Tuesday 28 Jul, 4PM (local time) - 4.5ft (1.4m), 10s period, NW swell with 356 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 1.4m 10s and forecast to arrive on Tuesday (Jul 28) at 4PM. 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 Tuesday (Jul 28) at 4PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Tue 28th Jul) | 4.5ft (1.4m) 10s |
Table - best surf conditions forecast for Praia das Macas over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you: the next two weeks are a write-off for Praia das Macas. The data is clear – there’s not a single decent session on the cards. The whole 16-day stretch is one long, frustrating gap with no surf worth paddling out for.
Starting with Tuesday the 28th, we’ve got a weak 4ft to 5ft swell from the NNW, but that cross-onshore wind is a killer. It’s choppy and messy, with combined energy sitting at a weak 353 to 356, and the water temp is a pretty average 68°, normal for this time of year. Nothing to get excited about.
Wednesday the 29th drops off to 3ft, period slips to 8 or 9 seconds, and the wind stays cross-onshore. The energy drops to 141 or 161. Still poor. Thursday the 30th is even worse – 2ft to 3ft, periods around 8 to 10 seconds, but the wind stays cross or cross-onshore, and the energy is pathetic at 92 to 121. Friday the 31st sees a tiny 3ft to 4ft pulse with a dreadful 5 to 6 second period, and the wind is still cross-onshore. The energy is a meager 82 to 146.
The first weekend of August? Dead. Saturday the 1st has a 4ft swell but with a short 7 second period and moderate cross-onshore winds. The energy is moderate at 234 to 264, but the quality is still poor. Sunday the 2nd is the same story: 3ft to 3ft, 8 second period, cross-onshore wind. The first week of August is a write-off.
Through the second week, from Monday the 4th to Wednesday the 12th, we see a bit more energy – the swell bumps up to 4ft to 5ft, and the period stays between 5 and 9 seconds. But the wind never lets up. It’s cross-onshore or cross-shore, with moderate to fresh breezes. The combined energy ranges from 105 to 290, but it’s all lumpy, choppy, and messy. Even the 8ft swells on Friday the 7th and Saturday the 8th are ruined by fresh to strong cross-onshore winds, and the energy is a strong 669 to 879. That’s not surfable for a paddle – that set-up is more interesting for kite surfing.
The last few days, from the 10th to the 12th, the swell drops back to 2ft to 5ft, and the wind is still fresh cross-onshore or cross-shore with lumpy chop. No change. No standouts. Nothing.
I hate to say it, but this is a blank run. For Praia das Macas, this kind of poor stretch is more normal than you’d hope. Forecasts can change, but right now, there’s no reason to get the board wet.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Tue morning, min 18°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Fri morning, min 18°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | |||||||||||||||
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 10 | NW 10 | NW 9 | NNW 9 | NW 8 | WNW 10 | WNW 10 | NNW 8 | WNW 9 | NNW 5 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | W 10 | W 9 | W 9 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 340 | 356 | 203 | 138 | 102 | 55 | 54 | 84 | 32 | 58 | 106 | 113 | 113 | 124 | 169 | 106 | 117 | 68 | 61 | 40 | 96 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:00PM2.62m | 3:21AM2.45m | 3:34PM2.74m | 3:54AM2.53m | 4:07PM2.82m | 4:26AM2.57m | 4:39PM2.85m | 4:59AM2.59m | 5:12PM2.84m | 5:32AM2.58m | 5:45PM2.79m | 6:07AM2.54m | 6:21PM2.69m | ||||||||
Low Tide | 9:14PM0.44m | 9:18AM0.45m | 9:48PM0.34m | 9:51AM0.36m | 10:20PM0.28m | 10:23AM0.31m | 10:52PM0.25m | 10:55AM0.31m | 11:24PM0.25m | 11:29AM0.34m | 11:58PM0.29m | 12:05PM0.41m | 00:34AM0.38m | ||||||||
 | |  | | | | | |  |  | | | | | | | | | | | | |
 | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | 8:52 | — | — | 8:52 | — | — | 8:51 | — | — | 8:50 | — | — | 8:49 | — | — | 8:47 | — | — | 8:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 21 | 21 | 21 |
Feels °C | 20 | 20 | 18 | 19 | 18 | 17 | 18 | 18 | 16 | 18 | 18 | 16 | 18 | 18 | 18 | 18 | 18 | 17 | 19 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | S 13 | NW 9 | NNW 9 | WNW 10 | NNW 8 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | W 10 | W 9 | W 9 | W 9 | W 8 | W 10 | W 10 | W 9 | W 9 | WNW 10 |
| kJ | 340 | 3 | 203 | 138 | 36 | 38 | 54 | 35 | 27 | 16 | 16 | 67 | 78 | 78 | 56 | 52 | 70 | 68 | 61 | 40 | 96 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | S 13 | WNW 8 | WNW 11 | NW 9 | WNW 10 | NNW 8 | N 10 | NW 8 | NNW 8 | W 11 | NNW 11 | NNW 10 | NNW 9 | N 7 | W 8 | W 8 | S 15 | — | W 11 | NNW 9 |
| kJ | 13 | 3 | 6 | 23 | 3 | 55 | 26 | 2 | 15 | 6 | 21 | 12 | 33 | 62 | 8 | 1 | 1 | 4 | — | 21 | 27 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | W 11 | S 13 | — | — | N 10 | — | — | N 9 | N 12 | — | NNW 10 | — | — | — | — | S 15 | WNW 11 | N 10 | SW 13 |
| kJ | 3 | 3 | 10 | 3 | — | — | 2 | — | — | 2 | 3 | — | 10 | — | — | — | — | 4 | 23 | 2 | 7 |
Wind waves Height (m) Direction Period (s) | — | NW 10 | — | — | NW 8 | NNW 4 | NNW 4 | NNW 8 | NNW 4 | NNW 5 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 5 | NNW 8 | NNW 4 | NNW 3 |
| kJ | — | 356 | — | — | 102 | 16 | 10 | 84 | 32 | 58 | 106 | 113 | 113 | 124 | 169 | 106 | 117 | 37 | 44 | 14 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 20 | 425 | 20 | 20 | 687 | 15 | 15 | 604 | 20 | 109 | 432 | 15 | 14 | 425 | 15 | 16 | 21 | 14 | 58 | 425 | 20 |
Best forecast wave conditions in Lisboa | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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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.
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