Castelejo Surf Break

Lat Long: 37.10° N 8.95° W

Castelejo Surf Forecast and Surf Report

Issued: 6 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castelejo sea temperature is
18.9° C
2.4° 

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


Castelejo surf forecast from 5 Aug 2026:

  • Most powerful swell: Thursday 6 Aug, 10PM (local time) - 6ft (1.8m), 7s period, NNW swell with 306 kJ wave energy.

Best Forecast Surf Conditions for Castelejo this week:

The most powerful waves expected at Castelejo in the next 16 days are 1.8m 7s and forecast to arrive on Thursday (Aug 06) 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 0.1m 12s period and expected on Thursday (Aug 06) at 10AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10PM (Thu 6th Aug)6ft (1.8m) 7s

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


The Lowdown

Alright folks, Rusty here. Let's be straight with you. The next couple of weeks are looking pretty grim for a proper paddle. We've got a solid window of poor surf conditions kicking things off, and it's going to take a while for anything worthwhile to show up.

The first week is basically a write-off. From Tuesday the 4th through to the 13th, it’s all onshore winds, lumpy, choppy surf, and a whole lot of nothing. The swell energy is weak, and the wind is just going to be ruining what little there is. You're looking at a stretch of at least ten days with no real surf on offer. It's a tough run, but it tends not to stay this poor for long.

If you're desperate, the first real chance we see is around the 15th and 16th. The swell actually bumps up a bit to a consistent 6ft from the NW, and the wind finally drops off. It's still cross-shore, so it won't be perfect, but it's the first time it looks like it might be surfable. The period is only 8 seconds, so it's not going to be powerful, but at least it's something. The energy is moderate, with readings like 371 and 390.

Then we get to the real standout of the whole window, and it's on Monday the 17th. The swell pushes up to 7ft to 7ft from the NNW, with the energy jumping right up into the strong range, hitting 522 and 575. This is the biggest, most powerful swell we see. The wind is light cross-onshore, which is a bit of a bummer, but it's manageable. This is the one to keep an eye on. It's a big swell though, so it's not one for the beginners. Once it's over 5ft, it's getting serious, and this is well past that.

After that, the winds pick back up and things get messy again. There's a lot of energy on the 19th, with readings over 900, but it's all wind-blown and onshore, so it's going to be a washout. If you're looking for a silver lining, the setup on the 15th and 17th looks way more interesting for the kite surfers than for us paddle surfers.

The water at Castelejo is sitting at 66°, which is a good couple of degrees colder than normal for this time of year. It's noticeable, so you'll want the thicker suit.

So, to sum it up: endure the flat and messy first week, keep an eye on Saturday the 15th for a small window, but the best bet by far is Monday the 17th. It's a big, powerful swell, but it's the only proper one we get. Don't get too excited about the long range, though; forecasts this far out are always a bit of a gamble.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 22°C on Tue afternoon, min 18°C on Wed night). Mainly strong winds.

Days 5-7 Weather Summary

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

Tue
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
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)
0.9
WNW
9
0.9
WNW
8
0.8
WNW
8
0.6
NNW
9
1.4
NNW
6
1.4
NNW
6
1.4
NW
6
1.8
NNW
7
1.3
NNW
7
1.3
NNW
7
1.4
NNW
6
1
NNW
5
0.7
NNW
4
0.4
WNW
8
0.5
WNW
7
0.9
NW
7
1.2
NNW
5
0.4
NW
9
0.4
NW
8
0.9
NNW
5
Wave Graph
Metric surfscale
Energy kJ
108
105
84
58
114
132
162
299
138
138
155
55
18
21
29
67
75
20
18
37
Wind (km/h)
20
NW
25
NNW
20
NNW
30
NNW
35
NNW
30
N
30
NNW
35
NNW
30
NNW
30
NNW
30
NNW
25
NNW
30
NNW
25
NNW
20
NNW
30
NNW
30
NNW
25
NNW
30
NNW
30
NNW
Wind State
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
High Tide
6:51PM2.56m
7:21AM2.38m
7:43PM2.40m
8:19AM2.28m
8:50PM2.25m
9:34AM2.22m
10:16PM2.18m
10:59AM2.28m
11:43PM2.25m
12:16PM2.45m
00:55AM2.41m
1:18PM2.69m
1:53AM2.59m
Low Tide
1:04AM0.50m
1:23PM0.63m
1:56AM0.64m
2:26PM0.75m
3:05AM0.76m
3:50PM0.81m
4:30AM0.81m
5:22PM0.73m
5:54AM0.72m
6:40PM0.53m
7:01AM0.54m
7:41PM0.30m
part cloud
clear
clear
clear
clear
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>
6:43
6:43
6:45
6:46
6:46
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:39
8:38
8:37
8:37
8:36
8:35
8:34
 mm
Temp °C
22
21
21
21
19
20
20
19
21
21
19
22
22
20
21
21
19
21
21
19
Feels °C
21
19
19
18
15
16
16
14
18
18
15
19
19
18
19
18
16
18
18
16
  • 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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