Praia das Macas Surf Break

Lat Long: 38.81° N 9.48° W

Praia das Macas Surf Forecast and Surf Report

Issued: 6 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Praia das Macas sea temperature is
20.2° C
0.6° 

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 20 Aug 2026:

  • Best quality surf: Sunday 23 Aug, 1AM (local time) - 4.5ft (1.3m), 14s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Sunday 23 Aug, 7AM (local time) - 7ft (2.1m), 11s period, W swell with 1,127 kJ wave energy.
  • Next surfable swell (1★+): Sunday 23 Aug, 1AM (local time) - 4.5ft (1.3m), 14s 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 Sunday (Aug 23) at 1AM. The primary swell is predicted to be 1.3m and 14s period with a secondary swell of 0.9m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Praia das Macas in the next 16 days are 2.1m 11s and forecast to arrive on Sunday (Aug 23) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Sunday (Aug 23) at 7PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 23rd Aug)4.5ft (1.3m) 14s
Best Surf 1AM (Sun 23rd Aug)4.5ft (1.3m) 14s
Most Powerful 7AM (Sun 23rd Aug)7ft (2.1m) 11s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Thu afternoon, min 18°C on Fri night). Winds decreasing (fresh winds from the N on Thu afternoon, light winds from the SW by Sat night).

Days 5-7 Weather Summary

Moderate rain (total 17mm), heaviest on Sun afternoon. Warm (max 21°C on Sun afternoon, min 20°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun night, light winds from the WSW by Mon night).

Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
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
1
0
3
1
1
0
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)
0.6
WNW
9
1.8
NW
7
1.6
NNW
7
2
NNW
10
1.7
NNW
10
1.5
NNW
10
1.3
NNW
9
1.3
WNW
14
1.9
W
11
1.6
W
10
1.7
W
9
1.9
WSW
8
1.5
W
7
1.2
W
7
1.1
WNW
6
1
WNW
6
1
WNW
6
1.2
WNW
7
1.2
WNW
8
1
NW
8
Wave Graph
Metric surfscale
Energy kJ
61
349
235
763
555
419
272
694
835
500
455
419
246
134
108
80
78
117
155
114
Wind (km/h)
20
NNW
30
NNW
35
N
30
NNW
25
NNW
10
NW
15
WSW
15
SSE
35
SSE
30
S
35
S
35
SSW
25
SW
10
WSW
15
SW
20
SSW
15
SW
15
WNW
15
W
20
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
cross
on
cross-on
cross-on
High Tide
9:05PM1.94m
9:44AM1.98m
10:36PM1.85m
11:16AM1.99m
00:04AM1.90m
12:30PM2.12m
1:04AM2.05m
1:21PM2.30m
1:47AM2.21m
2:01PM2.49m
2:23AM2.38m
2:35PM2.67m
2:55AM2.53m
Low Tide
3:06AM1.07m
4:10PM1.09m
4:41AM1.14m
5:49PM1.05m
6:08AM1.05m
6:56PM0.90m
7:05AM0.89m
7:41PM0.72m
7:46AM0.71m
8:17PM0.54m
8:21AM0.53m
8:49PM0.37m
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
thunderstorm
thunderstorm
rain showers
clear
clear
cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:56
6:58
6:58
7:00
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:24
8:22
8:22
8:21
8:19
8:17
 mm
5
6
4
2
Temp °C
21
19
19
19
18
19
20
20
21
21
21
21
21
21
21
21
21
20
21
21
Feels °C
21
14
15
14
14
19
19
21
17
18
18
18
19
21
21
20
21
20
19
19
  • 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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