Castelejo Surf Break

Lat Long: 37.10° N 8.95° W

Castelejo Surf Forecast and Surf Report

Issued: 12 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castelejo sea temperature is
19.3° C
2.3° 

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


Castelejo surf forecast from 19 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 7AM (local time) - 2.5ft (0.8m), 8s period, NNW swell with offshore winds.
  • Most powerful swell: Friday 21 Aug, 10PM (local time) - 7ft (2.2m), 7s period, NNW swell with 504 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 19 Aug, 7AM (local time) - 2.5ft (0.8m), 8s period with NNW swell.

Best Forecast Surf Conditions for Castelejo this week:

The surf forecast for Castelejo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 7AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.2m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Castelejo in the next 16 days are 2.2m 7s and forecast to arrive on Friday (Aug 21) 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 0.4m 4s period and expected on Wednesday (Aug 19) at 4PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 19th Aug)2.5ft (0.8m) 8s
Best Surf 7AM (Wed 19th Aug)2.5ft (0.8m) 8s
Most Powerful10PM (Fri 21st Aug)7ft (2.2m) 7s

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


The Lowdown

Alright, Rusty here. Let's talk about what we've got lined up, and I'll be straight with you – this one's a tough read for the next couple of weeks at Castelejo. The whole stretch is a beach and reef setup, very consistent, but the wind and conditions are just fighting us nearly every day.

We kick it off on Wednesday the 19th with a tiny little 3ft NW windswell, period a short 8 seconds. The morning has a bit of a SE breeze blowing offshore, which would make it clean, but there's just no size or energy to get excited about (combined energy of all swells directed here is 73). It's surfable, but you won't be missing much.

From Thursday the 20th through to the morning of Tuesday the 27th of August, it's a real drag. The surf stays small, mostly under 3ft, and every session is plagued by onshore or cross-onshore winds. We see a bump in size on Friday the 21st with 5ft, and Saturday the 22nd pushes up to 6ft, but the onshores are fresh and lumpy (30-35 km/h winds). That's not paddle surfing – that's a kite session if anything, with all that chop. The energy ramps up a bit there (moderate energy 346-487) but it's ugly.

There's a glimmer in the distance, but it's a tease. On Friday the 28th of August, the swell jumps to 7ft from the NW with a very long period of 11 seconds, and the energy is strong (1575). That’s proper groundswell. But the N wind is slamming it at 30 km/h cross-onshore. The setup looks like it would be big, straight, and lumpy. Too big for beginners, borderline for most. The following days drop back a bit, but the wind stays on it. The morning of Monday the 1st of September really pumps up again – 7ft of NW groundswell with a 12-second period and a huge energy (1451), but again, the onshores are hammering it. That’s strictly for the expert crew or the foilers if anyone's brave.

The only date that offers a real chance of something clean is the morning of Wednesday the 2nd of September. We get a drop in swell to 6ft from the NW (period 11 seconds) with a light cross-onshore breeze (10 km/h from the NNE). It's described as "marginal surf forecast or questionable tide conditions," but with that groundswell energy (843) and almost no wind, that's your best shot for a session that won't be a wrestle. It's just over a week away, so it's promising but uncertain.

Water temp is about average for this time of year.

Honestly, if you have to paddle, the calendar is empty right up to that 2nd of September window. Otherwise, it's wait and see.

Rusty

Short Range Forecast

Mostly dry. Warm (max 23°C on Wed morning, min 18°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NNW by Fri afternoon).

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Mon afternoon, min 18°C on Fri night). Mainly fresh winds.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
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
0
0
0
0
0
0
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)
0.8
NNW
8
0.7
NNW
7
0.4
WNW
10
0.5
WNW
9
0.5
WNW
9
1.2
NNW
5
1.6
NW
8
1.5
NW
8
1.9
NNW
8
1.9
NNW
8
1.8
NW
9
1.7
NNW
8
1.7
NNW
8
1.7
NNW
9
1.9
NNW
8
1.7
NNW
8
1.4
NNW
8
1.4
NNW
7
0.9
NNW
7
0.8
NNW
6
1.1
NNW
5
Wave Graph
Metric surfscale
Energy kJ
67
48
38
47
45
75
276
255
403
447
471
347
374
411
469
394
261
180
70
52
66
Wind (km/h)
15
SE
15
SSW
10
SW
10
NNW
20
WNW
30
NNW
30
NNW
35
NNW
35
NNW
25
NNW
25
NW
25
NNW
20
NNW
25
NW
25
NNW
20
NNW
20
NNW
25
NNW
20
N
30
NW
25
NNW
Wind State
off
cross-off
cross
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
on
on
on
on
cross-on
on
cross-on
cross-on
on
cross-on
High Tide
7:25AM2.26m
7:49PM2.13m
8:18AM2.09m
8:54PM1.93m
9:33AM1.97m
10:25PM1.84m
11:05AM1.98m
11:54PM1.90m
12:19PM2.11m
00:53AM2.05m
1:10PM2.30m
1:36AM2.22m
1:49PM2.49m
2:11AM2.38m
Low Tide
1:28PM0.80m
1:50AM0.90m
2:28PM0.99m
2:53AM1.08m
3:57PM1.09m
4:28AM1.14m
5:38PM1.05m
5:57AM1.05m
6:44PM0.90m
6:53AM0.89m
7:29PM0.72m
7:34AM0.70m
8:05PM0.54m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:56
6:56
6:56
6:58
6:58
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:21
8:20
8:19
8:16
8:15
8:15
 mm
Temp °C
23
23
22
21
22
20
19
19
18
20
20
19
20
20
19
20
21
19
20
20
19
Feels °C
23
23
23
21
22
18
15
14
12
17
17
16
17
17
15
18
19
16
17
16
16
  • 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 Castelejo Surf forecast

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

Castelejo is 25 km (16 miles) from Lagos. If you plan a holiday in The Algarve, look for hotels and other accommodation in Lagos. Lagos has rooms for a wide range of budgets as well as car hire and transport links.

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