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Praia das Macas surfForecast / Lisboa / Portugal

information circle16 Day Weather and Surf, issued 6 am Monday 20 Apr 2026 WEST
Forecast update in hr  min  s Forecast update imminent
Praia das Macas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia das Macas sea temperature is
15.2° C
(Which is slightly cooler than normal)

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 Monday (Apr 20) at 10PM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.5m and 10s. 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 12s and forecast to arrive on Wednesday (Apr 22) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Tuesday (Apr 21) at 10AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Mon 20th Apr)2.5ft (0.8m) 8s
Best Surf 7AM (Wed 22nd Apr)6ft (1.9m) 12s
Most Powerful 4AM (Wed 22nd Apr)8ft (2.5m) 12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 22°C on Mon afternoon, min 13°C on Tue night). Winds decreasing (fresh winds from the S on Mon night, calm by Wed morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Thu afternoon, min 14°C on Thu morning). Winds decreasing (fresh winds from the N on Fri night, light winds from the NE by Sat night).

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
0
1
1
4
1
2
2
0
0
0
0
0
0
0
0
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NNW
0.8
NNW
0.7
NNW
0.4
NW
1
WNW
2.5
WNW
1.7
NW
2.2
NW
1.4
NW
2
W
2.2
W
1.8
W
1.8
W
1.6
W
1.6
W
1.3
W
1.1
W
1
W
0.9
WNW
0.9
WNW
0.9
WNW
Period(s) (?)98816141212141311111010101010999109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)101826264413169483617996699691212687661522535320202162129163130
Wind
(km/h)
10
ESE
10
WSW
25
ESE
30
S
25
SSW
15
NW
0
SW
15
WSW
10
N
10
NNW
20
NW
20
NNW
15
NNW
20
NNW
25
NNW
30
N
30
NNW
15
NNW
5
ESE
10
W
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
on
offcross-
off
crossonglasscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
offcross-
on
cross
High Tide
/ height (m)
5:27PM
2.92
5:57AM
2.68
6:18PM
2.75
6:54AM
2.43
7:17PM
2.56
8:04AM
2.21
8:31PM
2.40
9:28AM
2.08
9:56PM
2.34
10:54AM
2.10
11:15PM
2.40
12:03PM
2.22
12:18AM
2.50
Low Tide
/ height (m)
11:11AM
0.16
11:41PM
0.14
11:58AM
0.37
12:36AM
0.34
12:52PM
0.60
1:43AM
0.55
2:00PM
0.80
3:07AM
0.69
3:27PM
0.91
4:38AM
0.70
4:56PM
0.87
5:52AM
0.60
6:05PM
0.75
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Sunrise6:54--6:54--6:52--6:50--6:50--6:48--6:47--
Sunset-8:19--8:20--8:21--8:22--8:22--8:22--8:23-
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
clear
Rain (mm)
---------------------
Temp. °C212220171714141414141514151515141515171717
Feels °C (?)20191513141012111112111012111191014171616
  • Map Icons:
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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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