Castelejo Surf Break

Lat Long: 37.10° N 8.95° W

Castelejo Surf Forecast and Surf Report

Issued: 6 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castelejo sea temperature is
19.7° C
1.8° 

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


Castelejo surf forecast from 12 Aug 2026:

  • Best quality surf: Tuesday 18 Aug, 7AM (local time) - 4ft (1.2m), 8s period, NNW swell with glassy winds.
  • Most powerful swell: Sunday 16 Aug, 1AM (local time) - 7.5ft (2.3m), 8s period, NW swell with 733 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 7AM (local time) - 4ft (1.2m), 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 Tuesday (Aug 18) at 7AM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.1m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Castelejo in the next 16 days are 2.3m 8s and forecast to arrive on Sunday (Aug 16) 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 0.1m 12s period and expected on Friday (Aug 14) at 4AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Tue 18th Aug)4ft (1.2m) 8s
Best Surf 7AM (Tue 18th Aug)4ft (1.2m) 8s
Most Powerful 1AM (Sun 16th Aug)7.5ft (2.3m) 8s

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


The Lowdown

Alright, grab a coffee, let’s talk about Castelejo. Lookin’ at this forecast, it’s a real mixed bag. We’ve got some good swell energy on the way, but the wind is gonna be the boss for most of it, and he’s not a friendly boss. The water is sitting at 68°F, which is a bit cooler than usual for this time of year, so you’ll want that wetsuit.

The run starts on Wednesday the 12th. There’s a 3ft swell from the WNW, but the wind is onshore from the NNW at 12 mph. The energy is weak (188), and it’s just a messy, blown-out mess. Not worth your time.

Thursday the 13th and Friday the 14th are more of the same. The swell picks up to 3ft, and the energy pushes into the moderate range (213 to 234), but it’s all cross-onshore or onshore. The report says “moderate cross-onshore and choppy,” which is surf-speak for ugly.

Now, Saturday the 15th is where things get a little more interesting, but not for the better. The swell jumps to 6ft from the NW, with a short period of 8 seconds. The combined energy is up to 398 (moderate), but it’s a fresh cross-onshore breeze at 22 mph. The report says “fresh cross-onshore and lumpy,” which is a washing machine. At this size, it’s getting too big for beginners, and the wind is just ruining it.

Sunday the 16th gives us a first look at something half-decent. The swell holds at 7ft from the NNW, with a combined energy of 633 (strong). The wind drops to a moderate 12 mph cross-onshore. It’s still choppy, but the afternoon session shows a “marginal” call. If you’re keen, you might find a few, but it’s not a standout.

The only real bright spot – and I mean the *only* one in this whole 16-day window – is Tuesday the 18th. The morning session is glassy. Glassy! The wind is a light 3 mph from the SSE, so it’s flat calm. The swell is a modest 4ft from the NNW, with a period of 8 seconds, and the combined energy is 182 (weak). The waves are described as “surfable but very ordinary,” which is about right. It’s small and weak, but with those clean conditions, it’s the best on the menu. The break is a beach and reef setup, and it is very consistent, so you’ll find something to ride. Expect crowds to be possible here, as it’s a spot that’s sometimes busy.

We get another brief window of glassy conditions on Wednesday morning the 19th, with the swell dropping to 2ft from the NW. The combined energy is a weak 73. It’s tiny, but if you’ve got a log, you could have a fun little session before the onshore wind kicks in again.

The rest of the outlook is a long, grim run of onshore and cross-onshore winds. From Thursday the 20th through to the 27th, the wind is blowing from the NNW at 12 to 22 mph, with the swell generally between 5ft and 6ft. The combined energy fluctuates between moderate (292) and strong (620), but the wind is always on it, making it choppy and lumpy. The afternoon of the 22nd has a strong 6ft swell from the NNW with a combined energy of 620, but it is onshore wind. It’s a kite surfer’s dream, not a paddle surfer’s. Nothing worth chasing.

So, to sum it up: the only real standout is the morning of Tuesday the 18th. It’s small, it’s weak, but it’s glassy. Everything else is a fight with the wind. Stay patient.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 24°C on Thu morning, min 19°C on Fri night). Winds increasing (light winds from the NNW on Thu morning, strong winds from the NNW by Fri night).

Days 5-7 Weather Summary

Mostly dry. Warm (max 23°C on Mon morning, min 19°C on Sat night). Winds decreasing (strong winds from the NNW on Sat night, calm by Mon night).

Wed
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
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
1
0
1
0
0
1
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
WNW
10
0.9
WNW
9
0.9
WNW
10
0.8
WNW
10
1
WNW
10
0.9
WNW
9
0.9
WNW
9
1.8
NNW
7
1.8
NW
8
1.9
NW
8
2.3
NW
8
2
NNW
9
1.9
NNW
9
1.7
NW
8
1.8
NW
9
1.7
NNW
9
1.3
NNW
8
1.2
NNW
8
1.2
NNW
8
0.9
NNW
8
Wave Graph
Metric surfscale
Energy kJ
125
153
163
123
186
136
141
307
398
456
733
623
553
410
516
440
241
171
184
103
Wind (km/h)
20
NNW
25
NNW
20
N
25
NNW
30
NNW
25
N
35
NNW
35
NNW
35
NNW
35
NNW
35
NNW
20
NNW
15
NW
15
NNW
10
N
15
WNW
15
NNW
5
SSE
10
SW
15
N
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
cross-on
cross-on
glassy
cross
cross-on
High Tide
3:26AM2.85m
3:42PM3.20m
4:08AM2.88m
4:23PM3.20m
4:47AM2.85m
5:03PM3.09m
5:26AM2.76m
5:42PM2.90m
6:04AM2.62m
6:21PM2.65m
6:42AM2.45m
7:02PM2.39m
Low Tide
9:17PM-0.05m
9:25AM0.08m
9:59PM-0.10m
10:06AM0.04m
10:38PM-0.06m
10:45AM0.09m
11:15PM0.06m
11:23AM0.21m
11:51PM0.24m
12:02PM0.38m
00:27AM0.46m
12:42PM0.58m
1:05AM0.69m
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
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>
6:50
6:50
6:50
6:52
6:52
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:30
8:29
8:28
8:27
8:24
8:23
 mm
Temp °C
22
22
24
22
21
22
21
20
21
21
20
22
22
20
23
22
22
23
24
24
Feels °C
21
19
22
20
20
20
18
16
18
18
15
22
22
20
24
23
24
24
25
25
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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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