Castelejo Surf Break

Lat Long: 37.10° N 8.95° W

Castelejo Surf Forecast and Surf Report

Issued: 6 pm 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castelejo sea temperature is
20.3°C
1.2° 

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


Castelejo surf forecast from 28 Aug 2026:

  • Best quality surf: Thursday 3 Sep, 1PM (local time) - 4.5ft (1.3m), 8s period, NNW swell with glassy winds.
  • Most powerful swell: Saturday 29 Aug, 1AM (local time) - 7ft (2.1m), 10s period, NW swell with 910 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 1PM (local time) - 4.5ft (1.3m), 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 Thursday (Sep 03) at 1PM. The primary swell is predicted to be 1.3m and 8s 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 Castelejo in the next 16 days are 2.1m 10s and forecast to arrive on Saturday (Aug 29) at 1AM. 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 2s period and expected on Thursday (Sep 03) at 1PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Thu 3rd Sep)4.5ft (1.3m) 8s
Best Surf 1PM (Thu 3rd Sep)4.5ft (1.3m) 8s
Most Powerful 1AM (Sat 29th Aug)7ft (2.1m) 10s

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


The Lowdown

Hey, Rusty again. Let’s look at what Castelejo’s got for you.

It’s a pretty lean forecast for the next 16 days, with no decent surf until Friday the 4th of September. There’s a gap of nearly a week from now with nothing worth paddling out for – just onshore winds and poor waves.

Come Friday the 4th of September, we finally get a glimmer. Friday morning at Castelejo is glassy with a light ESE breeze and a tiny 2ft swell from the NNW with a short period of 7 seconds. Combined energy is weak at 68, but it’s clean. On Saturday the 5th of September, the morning offers a cross-offshore east wind and a 2ft WNW swell, and the afternoon turns glassy with another 2ft NW swell – weak energy around 74 to 90. For a beach and reef spot, these are your best windows for a fun, cruisy session on a longboard, but don’t expect any punch.

Sunday the 6th of September morning brings a longer-period 2ft NW swell at 12 seconds, but it’s cross-on and only marginal – energy is moderate at 221. After that, the first week stays poor with onshore winds and choppy surf.

The second week doesn’t get much better. On the 8th of September there’s a pulse of 4ft WNW swell with an 11-second period – moderate energy at 608 – but it’s cross-on and messy. Then on the 9th of September, Wednesday morning sees a bigger 8ft NW swell with a 9-second period (energy 965, strong), and Wednesday afternoon hits 8ft from the NNW (885). That’s expert territory, and with onshore cross-on winds, it’s going to be a brutal, messy mess. I’d say that’s more interesting for kite surfing than paddle surfing.

Water temp is about 69°, which is a bit colder than average for this time of year.

The standout in this whole period? I’d go with Saturday the 5th of September afternoon – glassy, clean, and that small 2ft NW swell, even if it’s weak, is the cleanest you’ll find. That’s your session.

Don’t write the place off – forecasts can shift. But right now it’s a quiet spell at Castelejo.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 22°C on Sun morning, min 18°C on Fri night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Wed night, min 18°C on Mon night). Winds decreasing (strong winds from the NNW on Mon night, calm by Thu morning).

Fri
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
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
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)
2.2
WNW
11
2.1
NW
10
1.7
NW
10
1.5
NW
9
1.4
NNW
6
1.2
NW
8
1.3
NW
8
1.1
NW
9
1
NW
9
1
NW
9
1.8
NNW
7
1.1
NW
9
1.9
NW
9
2.1
NNW
8
1.7
NW
8
1.6
NW
8
1.8
NW
8
1.3
NNW
8
1.2
NNW
8
0.9
NNW
8
Wave Graph
Metric surfscale
Energy kJ
1123
910
535
365
136
192
216
193
152
156
282
212
550
491
353
314
368
193
150
98
Wind (km/h)
25
NNW
35
NNW
25
N
30
NNW
30
N
25
N
30
NNW
35
N
30
N
35
NNW
35
N
35
N
40
NNW
35
N
25
N
25
NNW
25
N
10
N
10
WNW
15
N
Wind State
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
High Tide
3:46AM2.74m
3:58PM2.98m
4:18AM2.78m
4:31PM2.97m
4:51AM2.77m
5:05PM2.89m
5:26AM2.71m
5:43PM2.75m
6:06AM2.60m
6:27PM2.56m
6:53AM2.45m
7:22PM2.33m
Low Tide
9:38PM0.13m
9:44AM0.18m
10:09PM0.09m
10:16AM0.16m
10:41PM0.10m
10:50AM0.19m
11:14PM0.18m
11:28AM0.27m
11:51PM0.31m
12:10PM0.41m
00:34AM0.50m
1:01PM0.59m
1:28AM0.71m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
7:05
7:05
7:05
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:10
8:08
8:07
8:06
8:05
8:02
8:01
 mm
Temp °C
20
19
20
20
20
22
22
21
21
21
19
20
20
19
21
22
24
24
24
26
Feels °C
17
16
17
16
17
20
19
17
15
17
14
15
15
13
18
19
20
25
24
23
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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 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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