Praia das Macas Surf Break

Lat Long: 38.81° N 9.48° W

Praia das Macas Surf Forecast and Surf Report

Issued: 12 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Praia das Macas sea temperature is
20.3°C
0.2° 

Praia das Macas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Praia das Macas surf forecast from 2 Sep 2026:

  • Best quality surf: Friday 4 Sep, 10PM (local time) - 2.5ft (0.8m), 9s period, WNW swell with glassy winds.
  • Most powerful swell: Tuesday 8 Sep, 4PM (local time) - 6.5ft (2.0m), 10s period, NNW swell with 688 kJ wave energy.
  • Next surfable swell (1★+): Friday 4 Sep, 10PM (local time) - 2.5ft (0.8m), 9s period with WNW swell.

Best Forecast Surf Conditions for Praia das Macas this week:

The surf forecast for Praia das Macas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 04) at 10PM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.1m and 13s. Another secondary swell of 0.8m and 5s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Praia das Macas in the next 16 days are 2.0m 10s and forecast to arrive on Tuesday (Sep 08) 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 0.4m 3s period and expected on Saturday (Sep 05) at 4AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Fri 4th Sep)2.5ft (0.8m) 9s
Best Surf10PM (Fri 4th Sep)2.5ft (0.8m) 9s
Most Powerful 4PM (Tue 8th 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. I'm not gonna lie, this is a tough stretch to look at for Praia das Macas. The wind forecast is a real problem for the next week and a half. It's mostly onshore or a messy cross-shore, chewing up whatever swell we get. For paddle surfing, it's going to feel like a long dry spell.

Starting from Wednesday the 2nd through the end of the first week, it's pretty much a write-off. We get a 4ft swell on Wednesday with an 8-second period, but it's blowing a moderate fresh breeze from the north, making it a cross-onshore chop. Thursday and Friday are smaller, with the swell dropping to 2-3ft. Friday morning does get a brief clean look with a cross-offshore breeze from the NE, but the swell is only 2ft from the WNW. It's glassy but tiny and lacking any real push.

There's a tiny tease on Saturday the 5th. In the morning we get a light offshore from the SE at 6 mph, which is glassy. We get a 3ft WNW swell with a 9-second period. The report says "surfable waves but very ordinary conditions." The combined swell energy is moderate at 145. You could paddle around on a log, but it's barely a ripple.

Then the wind picks right back up. Sunday the 6th brings a 4ft NW swell with a longer 12-second period, which would be promising, but it's paired with a gentle cross-onshore breeze that's already messing it up. The energy is moderate at 484, but it's wasted. Monday the 7th is a killer: a 4ft groundswell at 13 seconds (the longest period of the run) but a fresh 19 mph cross-shore wind turns it into a lumpy, cross-chop mess. The energy jumps to 720, but the quality is atrocious.

We get a bit of heavy water in the second week. Tuesday the 8th shows 7ft of NNW swell at 10 seconds, but it's getting hammered by strong 25 mph cross-onshore winds. That's a recipe for closeouts and a washing machine. The next few days are the same story: fresh cross-onshore winds with swells between 5ft and 6ft. The energy numbers are in the hundreds, but the reports just keep saying "poor surf conditions."

Here's the one window that looks worth waiting for. On Monday the 14th, the morning shows a strong 28 mph offshore wind from the east. That's the first real offshore of the forecast. The swell is a solid 7ft from the NNW at 9 seconds. The energy is a strong 972. The report says it's "clean but hard to paddle into." That wind is powerful, and with a 9-second period, it's going to be a wrestle to get out, and the waves might close out a bit. It's a raw, gnarly day for experts only.

But the standout is the next day. Tuesday the 15th morning is the winner. The wind swings to a light 6 mph offshore from the ESE. The swell is 6ft from the NNW, period still short at 8 seconds, but that light offshore wind is the key. The report says "expect good surf conditions." Combined energy is moderate at 437. 6ft is a proper size, not for beginners, but for anyone who can handle it, it'll be clean and fun. This is the morning to circle on the calendar.

Finally, Wednesday the 16th morning offers a clean but tiny option. A 2ft swell from the west with a very long 12-second period. Under a light E cross-off breeze, it'll be glassy. The energy is moderate at 276. Great for a longboard if you feel like a cruise, but nothing to get excited about for the main break.

Bottom line: don't plan on much until the 15th. The 14th is for hardcore locals only with the strong offshore. The real best bet is Tuesday the 15th morning for the best combination of size and clean conditions.

Water temp data is missing from the file, so I can't give you that detail.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 31°C on Thu afternoon, min 17°C on Tue night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 34°C on Fri night, min 18°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the N by Mon morning).

Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
NNW
8
1.2
NNW
7
1
NNW
6
1
NNW
7
0.9
NNW
7
0.7
WNW
8
0.7
WNW
8
0.9
NW
8
0.8
WNW
9
0.8
WNW
9
0.8
WNW
9
0.9
NW
13
1.2
NW
12
1.2
NW
11
0.8
WNW
15
1.2
WNW
13
1.3
WNW
12
1.3
WNW
11
1.7
NNW
7
2
NNW
10
1.8
NNW
7
Wave Graph
Metric surfscale
Energy kJ
181
143
85
88
79
64
59
109
101
101
90
295
403
350
308
515
494
366
294
688
362
Wind (km/h)
20
N
25
N
20
NNE
15
NNE
20
N
20
N
20
NE
15
N
15
NNW
10
SE
10
SSW
10
NNW
15
NW
20
NNW
25
N
30
N
35
N
35
N
35
N
35
NNW
35
NNW
Wind State
cross
cross-on
cross
cross
cross-on
cross
cross-off
cross-on
cross-on
off
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:17AM2.61m
6:39PM2.56m
7:04AM2.46m
7:33PM2.34m
8:06AM2.30m
8:48PM2.14m
9:30AM2.21m
10:27PM2.08m
11:05AM2.27m
11:58PM2.19m
12:23PM2.48m
1:04AM2.39m
1:21PM2.73m
1:55AM2.59m
Low Tide
12:22PM0.41m
00:47AM0.49m
1:14PM0.59m
1:41AM0.70m
2:23PM0.76m
2:57AM0.88m
4:00PM0.84m
4:37AM0.91m
5:40PM0.72m
6:04AM0.77m
6:52PM0.49m
7:07AM0.55m
7:45PM0.26m
clear
clear
clear
clear
part cloud
clear
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:07
7:07
7:09
7:09
7:11
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:06
8:04
8:02
8:00
7:59
7:58
 mm
Temp °C
19
20
24
30
31
27
30
31
34
31
26
22
21
21
19
19
19
18
19
19
18
Feels °C
17
18
22
28
28
23
27
27
33
29
26
23
21
21
17
16
15
14
15
14
13
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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