Praia das Macas Surf Break

Lat Long: 38.81° N 9.48° W

Praia das Macas Surf Forecast and Surf Report

Issued: 6 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Praia das Macas sea temperature is
18.6°C
1.9° 

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 17 Sep 2026:

  • Best quality surf: Saturday 19 Sep, 10AM (local time) - 7.5ft (2.3m), 14s period, NW swell with glassy winds.
  • Most powerful swell: Friday 18 Sep, 10PM (local time) - 8ft (2.5m), 16s period, NNW swell with 3,116 kJ wave energy.
  • Next surfable swell (1★+): Saturday 19 Sep, 10AM (local time) - 7.5ft (2.3m), 14s period with NW 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 Saturday (Sep 19) at 10AM. The primary swell is predicted to be 2.3m and 14s period with a secondary swell of 0.1m and 14s. 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 2.5m 16s and forecast to arrive on Friday (Sep 18) 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 0.2m 5s period and expected on Monday (Sep 21) at 4AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Sat 19th Sep)7.5ft (2.3m) 14s
Best Surf10AM (Sat 19th Sep)7.5ft (2.3m) 14s
Most Powerful10PM (Fri 18th Sep)8ft (2.5m) 16s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Sat night, min 18°C on Thu afternoon). Winds decreasing (strong winds from the N on Thu night, calm by Sat morning).

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Sun morning, min 19°C on Tue night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
2
4
2
2
3
1
2
3
0
1
2
0
0
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
NNW
10
2.5
NNW
9
2.5
NNW
9
1.6
NW
9
2.1
NNW
8
1.9
NW
15
2.3
NW
14
2.1
NW
13
1.8
NW
13
1.7
NW
12
1.6
NW
11
1.5
NW
11
1.2
NW
10
1.5
NW
12
1.3
NW
12
1.3
NW
12
1.2
NW
12
0.7
WNW
17
1.3
WNW
15
1.8
WNW
14
1.7
WNW
13
Wave Graph
Metric surfscale
Energy kJ
1391
1107
1118
430
597
1526
1970
1565
1028
822
662
505
290
666
494
486
389
261
794
1283
965
Wind (km/h)
25
N
40
N
40
N
35
N
30
NNW
20
N
5
SE
15
NW
20
N
10
ESE
10
WNW
15
NNE
15
SE
20
W
20
N
10
SSE
10
NW
25
N
20
N
20
NNW
15
N
Wind State
cross
cross-on
cross
cross
cross-on
cross
glassy
on
cross
off
on
cross
off
on
cross
cross-off
on
cross
cross
cross-on
cross
High Tide
7:14PM2.08m
7:37AM2.11m
8:15PM1.88m
8:51AM1.96m
9:54PM1.78m
10:36AM1.95m
11:34PM1.85m
11:57AM2.08m
00:34AM2.01m
12:48PM2.28m
1:16AM2.21m
1:27PM2.49m
1:51AM2.40m
Low Tide
12:58PM0.78m
1:10AM0.93m
1:54PM0.99m
2:10AM1.11m
3:24PM1.12m
3:52AM1.20m
5:17PM1.08m
5:34AM1.10m
6:26PM0.92m
6:33AM0.92m
7:09PM0.71m
7:14AM0.72m
7:43PM0.50m
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:20
7:22
7:22
7:24
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:44
7:42
7:39
7:38
7:37
7:36
7:34
 mm
Temp °C
20
19
18
19
19
19
21
21
23
27
27
26
26
26
25
24
23
22
22
20
20
Feels °C
14
13
11
15
15
18
20
20
19
26
25
24
25
23
22
22
21
18
20
19
20
  • 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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