Praia das Macas Surf Break

Lat Long: 38.81° N 9.48° W

Praia das Macas Surf Forecast and Surf Report

Issued: 12 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Praia das Macas sea temperature is
18.6°C
2.0° 

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 14 Sep 2026:

  • Best quality surf: Thursday 17 Sep, 7AM (local time) - 10ft (3.0m), 10s period, NNW swell with cross-shore winds.
  • Most powerful swell: Thursday 17 Sep, 4AM (local time) - 11ft (3.5m), 10s period, NNW swell with 2,216 kJ wave energy.
  • Next surfable swell (1★+): Thursday 17 Sep, 7AM (local time) - 10ft (3.0m), 10s period with NNW 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 Thursday (Sep 17) at 7AM. The primary swell is predicted to be 3.0m and 10s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Praia das Macas in the next 16 days are 3.5m 10s and forecast to arrive on Thursday (Sep 17) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 11s period and expected on Monday (Sep 21) at 10AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Thu 17th Sep)10ft (3.0m) 10s
Best Surf 7AM (Thu 17th Sep)10ft (3.0m) 10s
Most Powerful 4AM (Thu 17th Sep)11ft (3.5m) 10s

Table - best surf conditions forecast for Praia das Macas over the next 16 days.


The Lowdown

Alright folks, Rusty here for a look at Praia das Macas. The story is the same, just in feet and miles.

The water is running a cold 66°, which is about 4° colder than normal. A mite chilly, so bring the rubber.

First few days are a bust. Monday the 14th starts with a clean 3 ft NW swell, 11-second period, and light south winds, combined energy at 284. But the afternoon goes to crap with a cross-on wind. Tuesday and Wednesday are full-on. Wednesday sees 10 ft swell with a 45 mph cross-on wind and combined energy shooting to 1356. It’s a total mess.

Thursday the 17th is a monster. 10 ft NW swell, 10 seconds, and a cross wind, with combined energy at 1539. The file says it’s too big for this break. That’s expert-only territory and honestly, better for kite-surfing.

The big standout is Saturday the 19th of September. That morning, we get a clean 6 ft NW groundswell with a very long 14-second period. The combined energy is 1623. The wind is a glassy offshore from the ESE at just 6 mph. This will be pristine, powerful, and offer excellent shape for experienced surfers. Crowds are possible but not likely to be a major issue. This is the one to wait for.

Sunday the 20th is another solid call. A 5 ft NW swell, 12-second period, combined energy at 683, and more clean offshore ESE wind in the morning. Not as big, but still great fun.

Monday the 21st morning gives another clean look with 5 ft NW swell and 13-second period, energy at 814. The wind is light and offshore.

After that, the surf fades. There are a few small, clean days around the 22nd and 23rd, but the swell drops to 2 ft. By the 25th, a 4 ft WNW swell shows up with offshore wind in the morning. Late September on the 27th sees another big pulse of 7 ft W swell, but with a cross-on wind, it’s marginal.

Bottom line: the first week is a dud. Saturday the 19th is the absolute call – clean, long-period, and powerful. Sunday the 20th and Monday the 21st mornings are also very good. After that, it’s a waiting game for the smaller windows.

Rusty, out.

Short Range Forecast

Mostly dry. Warm (max 25°C on Mon afternoon, min 17°C on Tue night). Winds increasing (light winds from the S on Mon morning, strong winds from the N by Tue night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Sat morning, min 18°C on Thu night). Winds decreasing (strong winds from the N on Thu night, light winds from the SW by Sat morning).

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
0
0
0
0
0
0
0
!
0
0
2
0
1
4
2
2
3
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
NW
11
0.8
NW
11
0.7
NW
10
0.6
NW
10
1.3
NNW
5
2.2
NNW
7
3
NNW
9
3
NNW
9
3
NNW
10
3
NNW
10
2.5
NNW
9
3
NNW
9
2.5
NNW
9
2.2
NNW
9
1.8
NW
16
1.8
NW
14
2.1
NW
13
1.8
NW
13
1.6
NW
12
1.5
NW
11
1.3
NW
10
Wave Graph
Metric surfscale
Energy kJ
233
162
98
74
80
522
1356
1480
1722
1539
1131
1402
999
698
1494
1255
1613
1018
683
524
348
Wind (km/h)
5
S
15
NW
20
N
20
N
40
N
45
N
45
N
45
N
45
N
30
N
40
N
40
N
25
N
30
N
25
N
10
E
10
WSW
15
N
15
SE
15
WSW
15
N
Wind State
cross-off
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
off
cross-on
cross-on
off
cross-on
cross
High Tide
5:19PM2.80m
5:36AM2.68m
5:54PM2.57m
6:10AM2.50m
6:31PM2.32m
6:48AM2.31m
7:14PM2.08m
7:37AM2.11m
8:15PM1.88m
8:51AM1.96m
9:54PM1.78m
10:36AM1.95m
11:34PM1.85m
Low Tide
11:05AM0.19m
11:23PM0.28m
11:40AM0.36m
11:55PM0.49m
12:17PM0.56m
00:29AM0.71m
12:58PM0.78m
1:10AM0.93m
1:54PM0.99m
2:10AM1.11m
3:24PM1.12m
3:52AM1.20m
5:17PM1.08m
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:18
7:18
7:20
7:20
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:47
7:46
7:45
7:44
7:42
7:39
7:38
 mm
Temp °C
24
25
22
19
19
18
17
19
19
20
19
18
20
20
23
26
23
23
24
24
25
Feels °C
23
23
20
18
14
12
10
12
12
14
12
11
16
16
20
23
20
20
22
22
22
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  • 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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