Carcavelos Surf Break

Lat Long: 38.68° N 9.33° W

Carcavelos Surf Forecast and Surf Report

Issued: 6 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Carcavelos sea temperature is
19.1°C
1.5° 

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


Carcavelos surf forecast from 15 Sep 2026:

  • Best quality surf: Wednesday 16 Sep, 7AM (local time) - 10ft (3.0m), 8s period, NNW swell with cross-offshore winds.
  • Most powerful swell: Thursday 17 Sep, 1AM (local time) - 11ft (3.5m), 10s period, NNW swell with 2,133 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 16 Sep, 7AM (local time) - 10ft (3.0m), 8s period with NNW swell.

Best Forecast Surf Conditions for Carcavelos this week:

The surf forecast for Carcavelos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 16) at 7AM. The primary swell is predicted to be 3.0m and 8s period with a secondary swell of 0.1m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Carcavelos in the next 16 days are 3.5m 10s and forecast to arrive on Thursday (Sep 17) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Tuesday (Sep 15) at 10PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 16th Sep)10ft (3.0m) 8s
Best Surf 7AM (Wed 16th Sep)10ft (3.0m) 8s
Most Powerful 1AM (Thu 17th Sep)11ft (3.5m) 10s

Table - best surf conditions forecast for Carcavelos over the next 16 days.


The Lowdown

Hey folks, Rusty here. Let’s break down this Carcavelos forecast over the next couple of weeks. It’s a story of two halves, so pay attention.

Starting right now, Tuesday, there’s nothing. Just a tiny 1ft dribble. Not worth the walk. But don’t worry, things are about to get real real quick.

Wednesday morning and afternoon, we see a big pulse of northwest groundswell pushing 10ft. That is a serious amount of water for this break. The wind is cross-offshore and clean, but honestly, this is way too big. The energy is massive – we’re talking readings of 1447 and 1575. It’s powerful, but you’d be risking it.

Thursday, it drops to 8ft, still significant. Morning has a light cross-off breeze and strong energy at 1337. Afternoon is similar size but with a fresher wind. Again, this is not the day for the average surfer.

Friday morning is 8ft, still sizable, with a nice NE cross-off. The afternoon eases to 7ft, but the period drops to 8 seconds and things get marginal.

Then Saturday the 19th morning is where it comes alive. Swell has eased to 6ft, but the period has jumped to a very long 14 seconds. This is real groundswell. Wind is light offshore – proper clean conditions. This is a standout for the experienced crew. The energy is still solid at 1543. Afternoon gets a bit cross-on and bigger at 7ft, so the morning is the one.

Sunday the 20th morning is another good session. 6ft of swell, 12 second period, light offshore breeze. Clean and punchy (814 energy). Afternoon gets more cross-shore, so get out early.

Then the swell starts to back off. Monday is much smaller, around 3-5ft, with average conditions. Tuesday is small too at 4ft, and the afternoon is choppy.

Now, here’s the next proper window. Wednesday the 23rd morning looks like a dream. Swell is a friendly 5ft, the period is a very long 14 seconds, and the wind is dead calm – glassy. This is clean, long-period groundswell at 933 energy. This could be the best day of the whole stretch. Thursday morning is also decent with 4ft and a glassy start.

Then it just dies. Poor and small from Friday the 25th through Tuesday. But, Sunday the 27th morning, there’s a clean little pulse: 2ft, but with a very long 15-second period and glassy conditions. Small, but there might be an epic clean wave if you’ve got a longboard.

Monday the 28th morning also looks okay, 5ft and glassy, but the afternoon turns marginal. After that, it fades to nothing and the forecast is poor into the end of the month.

Alright, so the pick of the bunch is Saturday morning the 19th and Wednesday morning the 23rd. Saturday is more powerful, but Wednesday is cleaner and friendlier. The water is about 66°F, a bit colder than the usual for this time of year. It’s a beach break, so these long-period swells might straighten out a bit. But when the wind is light and off, Carcavelos can be a blast. Just respect the size – anything over 8ft here is for experts only.

Rusty, signing off.

Short Range Forecast

Mostly dry. Warm (max 24°C on Thu morning, min 17°C on Tue night). Winds decreasing (strong winds from the NNW on Wed afternoon, light winds from the N by Wed night).

Days 5-7 Weather Summary

Mostly dry. Warm (max 30°C on Sun afternoon, min 20°C on Fri night). Wind will be generally light.

Tue
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
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
!
!
!
!
!
!
!
2
4
4
!
4
3
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
NW
11
2.1
NNW
7
3
NNW
9
3
NNW
9
3.5
NNW
10
2.5
NNW
10
2.5
NNW
9
2.5
NNW
9
2.4
NNW
9
2
NNW
8
1.8
NW
15
1.8
NW
14
2.1
NW
13
1.8
NW
13
1.7
NW
12
1.6
NW
11
1.4
NW
11
1
NW
10
1.4
NW
12
1.2
NW
11
Wave Graph
Metric surfscale
Energy kJ
33
389
1441
1569
2133
1334
1034
1144
867
534
1308
1220
1589
1028
808
650
415
188
574
363
Wind (km/h)
30
NNW
35
NNW
35
NNW
40
NNW
30
N
15
NNE
35
NNW
30
N
15
N
25
NNW
15
N
5
ENE
10
W
10
N
10
ESE
10
NW
10
ENE
10
ENE
10
NW
10
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
cross-off
cross
cross-off
cross-off
cross
off
High Tide
5:52PM2.54m
6:09AM2.47m
6:29PM2.29m
6:46AM2.28m
7:12PM2.05m
7:35AM2.08m
8:13PM1.85m
8:50AM1.94m
9:52PM1.75m
10:34AM1.92m
11:32PM1.82m
11:55AM2.06m
00:32AM1.99m
Low Tide
11:53PM0.48m
12:15PM0.55m
00:27AM0.70m
12:56PM0.77m
1:08AM0.92m
1:51PM0.97m
2:08AM1.10m
3:22PM1.11m
3:50AM1.18m
5:15PM1.07m
5:32AM1.09m
6:24PM0.90m
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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>
7:45
7:44
7:43
7:40
7:39
7:37
7:36
 mm
Temp °C
22
19
20
21
19
24
23
19
24
23
21
26
26
25
28
30
27
30
31
28
Feels °C
18
16
14
15
13
20
17
14
22
19
18
24
24
23
28
28
24
27
28
24
  • 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 Carcavelos Surf forecast

The above surf forecast table for Carcavelos provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Carcavelos can be found by selecting the local surf guide option on the grey menu. Our Carcavelos 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 (Carcavelos) 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 Carcavelos 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.

Carcavelos is 1 km (1 miles) from Carcavelos. If you plan a holiday in Lisboa, look for hotels and other accommodation in Carcavelos. Carcavelos has rooms for a wide range of budgets as well as car hire and transport links.

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