Castelejo Surf Break

Lat Long: 37.10° N 8.95° W

Castelejo Surf Forecast and Surf Report

Issued: 6 am 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castelejo sea temperature is
19.5°C
2.0° 

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


Castelejo surf forecast from 1 Sep 2026:

  • Best quality surf: Thursday 3 Sep, 7AM (local time) - 3.5ft (1.1m), 7s period, NW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 1 Sep, 1PM (local time) - 5.5ft (1.7m), 9s period, NW swell with 481 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 7AM (local time) - 3.5ft (1.1m), 7s period with NW 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 7AM. The primary swell is predicted to be 1.1m and 7s period with a secondary swell of 0.1m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Castelejo in the next 16 days are 1.7m 9s and forecast to arrive on Tuesday (Sep 01) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Saturday (Sep 05) at 4PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Thu 3rd Sep)3.5ft (1.1m) 7s
Best Surf 7AM (Thu 3rd Sep)3.5ft (1.1m) 7s
Most Powerful 1PM (Tue 1st Sep)5.5ft (1.7m) 9s

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


The Lowdown

Alright folks, it’s Rusty here. Let’s be real about this one. We’ve got a 16-day window ahead, but honestly, things are looking pretty grim for Castelejo. It’s a very consistent beach and reef setup that usually picks up a lot, but we’re staring down a long, dry spell before anything becomes even remotely interesting.

The first real chance you’d even paddle out is on Thursday the 4th afternoon. We’re talking tiny 2ft from the WNW with a clean cross-off wind, but don’t get excited. The energy reading is a measly 59, and the report says “surfable waves but very ordinary conditions.” That’s about as generous as it gets.

We then hit a major dead zone. From the 5th of September all the way through the morning of the 10th, it’s just a parade of poor surf, onshore winds, and lumpy conditions. Most days have zero scoring potential. You’d be wasting your time.

The one tiny standout in this whole period comes on the morning of Thursday the 10th. The wind goes glassy – completely still – with a 3ft NW swell and a decent 10-second period. For the first time, the report mentions “expect good surf conditions.” The energy is up to 305, which is moderate. That early session will be clean and pretty, but it’s small and short-lived before the wind switches onshore again that afternoon.

After that, we get a pulse of bigger swell from the 11th to the 12th, with heights hitting 7ft NW and energy readings screaming past 600 and even 794. That’s moderate to strong energy. But here’s the killer – the wind is cross-on and choppy the whole time. For a beach and reef setup, that means big, lumpy, blown-out lines. That’s honestly more interesting for kite surfing than paddle surfing unless you’re an expert looking for a messy challenge.

The second week trails off into small, ordinary waves again. The morning of the 16th has a clean cross-off with 3ft NW, but the energy is low (191) and the conditions are still just “surfable but very ordinary.”

Bottom line: If you absolutely have to get wet, set your alarm for dawn on the 10th for the glassy slot. That’s your one real shot. The rest is a whole lot of waiting.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 31°C on Thu afternoon, min 18°C on Tue morning). Winds decreasing (fresh winds from the NNW on Tue afternoon, light winds from the ENE by Wed night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 33°C on Sat morning, min 20°C on Sun night). Winds decreasing (fresh winds from the NW on Fri night, calm by Sat night).

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
AM
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
1
0
0
0
1
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)
1.1
NW
9
1.6
NW
9
1.8
NW
7
1.2
NNW
7
1.2
NW
8
1.3
NNW
7
1
NW
7
0.8
NNW
7
0.6
WNW
8
0.6
WNW
8
0.6
WNW
8
0.7
NW
10
0.7
NW
9
0.9
NW
9
0.9
NW
9
0.9
NW
9
0.7
NW
12
0.9
NW
11
1.1
NW
7
0.7
WNW
10
1.8
NW
7
Wave Graph
Metric surfscale
Energy kJ
222
427
321
116
192
173
102
59
48
46
44
94
83
118
115
120
147
181
111
104
295
Wind (km/h)
35
N
35
NNW
30
N
20
N
20
NNW
25
N
10
NW
10
NNW
15
N
20
NE
10
SSW
20
NNW
20
NE
15
SW
5
NNW
5
NW
15
NW
25
NNW
30
NNW
35
NNW
35
NNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-off
cross-off
on
cross
cross
glassy
on
on
cross-on
cross-on
on
cross-on
High Tide
5:43PM2.75m
6:06AM2.60m
6:27PM2.56m
6:53AM2.45m
7:22PM2.33m
7:54AM2.29m
8:37PM2.14m
9:19AM2.20m
10:17PM2.07m
10:55AM2.27m
11:47PM2.19m
12:12PM2.48m
00:52AM2.39m
Low Tide
11:28AM0.27m
11:51PM0.31m
12:10PM0.41m
00:34AM0.50m
1:01PM0.59m
1:28AM0.71m
2:10PM0.77m
2:45AM0.88m
3:48PM0.84m
4:26AM0.92m
5:29PM0.73m
5:54AM0.77m
6:41PM0.50m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:05
7:07
7:07
7:09
7:09
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:02
8:01
8:00
7:59
7:58
7:55
 mm
Temp °C
20
20
19
23
22
28
29
31
30
31
30
31
33
27
27
24
25
22
22
21
19
Feels °C
16
16
14
20
19
26
27
28
27
30
30
27
30
27
28
26
24
19
18
18
14
  • 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 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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