Castlerock Surf Break

Castlerock 48 hour detailed Surf Forecast

Lat Long: 55.17° N 6.78° W

Issued: 12 am 06 Jul 2026 (local time)

Forecast update in  hr  min

Today's Castlerock sea temperature is
14.7° C

1.4°C warmer than normal for this time of year

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


How big are the waves at Castlerock today (06 Jul):

  • Morning surf: Morning surf (06 Jul, local time) - 3.5ft (1.0m), 8s period with WNW swell.
  • Afternoon surf: Afternoon surf (06 Jul, local time) - 3ft (0.9m), 8s period with WNW swell.
  • Evening surf: Evening surf (06 Jul, local time) - 3ft (0.9m), 8s period with WNW swell.

The current surf forecast for Castlerock at 9AM is: 1.0m 8s primary swell from a West-northwest direction (forecast issued at 12:00am July 06). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (06 Jul)3.5ft (1.0m)8s
Afternoon (06 Jul)3ft (0.9m)8s
Evening (06 Jul)3ft (0.9m)8s

Table - waves today at Castlerock. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Tue morning. Warm (max 21°C on Tue morning, min 14°C on Sun night). Wind will be generally light.

Monday
6
Tuesday
7
Wednesday
8
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
WNW
8
0.8
WNW
8
1
WNW
8
1
WNW
8
0.9
WNW
8
0.8
WNW
8
0.9
WNW
8
0.8
WNW
8
0.9
WNW
8
1
WNW
8
0.9
WNW
8
0.9
WNW
9
0.8
WNW
9
0.9
WNW
9
0.8
WNW
9
0.7
WNW
9
0.6
WNW
9
0.6
WNW
9
0.6
WNW
9
0.5
WNW
9
0.4
WNW
9
0.5
NW
9
0.4
WNW
9
0.4
WNW
9
Wave Graph
Metric surfscale
Energy kJ
75
84
125
128
108
90
108
88
108
131
123
129
99
124
101
71
54
55
55
47
33
42
34
33
Wind (km/h)
25
WSW
25
WSW
25
WSW
20
WSW
20
WSW
20
W
20
W
20
WSW
20
WSW
20
WSW
15
WSW
15
SW
20
W
20
WNW
15
WNW
10
WSW
10
SW
10
SSW
10
SSW
5
SW
5
NE
10
N
15
N
10
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
off
glassy
cross-on
on
on
on
High Tide
10:27PM1.64m
10:33AM1.32m
11:10PM1.59m
11:25AM1.26m
00:02AM1.52m
12:31PM1.21m
Low Tide
5:04AM0.49m
4:42PM0.37m
5:50AM0.50m
5:29PM0.44m
6:45AM0.51m
6:32PM0.51m
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
part cloud
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:07
10:06
10:05
 mm
1
Temp °C
14
14
15
16
17
20
18
16
15
15
15
16
21
21
20
19
17
15
16
18
20
19
17
16
Feels °C
10
10
11
13
14
18
15
13
11
12
14
14
17
18
18
18
16
13
15
18
20
18
15
16
Swell 1
Height (m)
Direction
Period (s)
0.8
WNW
8
0.8
WNW
8
1
WNW
8
1
WNW
8
0.9
WNW
8
0.8
WNW
8
0.9
WNW
8
0.8
WNW
8
0.9
WNW
8
1
WNW
8
0.9
WNW
8
0.9
WNW
9
0.8
WNW
9
0.1
N
7
0.8
WNW
9
0.7
WNW
9
0.6
WNW
9
0.6
WNW
9
0.6
WNW
9
0.5
WNW
9
0.4
WNW
9
0.5
NW
9
0.4
WNW
9
0.4
WNW
9
Energy kJ
75
84
125
128
108
90
108
88
108
131
123
129
99
1
101
71
54
55
55
47
33
42
34
33
Swell 2
Height (m)
Direction
Period (s)
0.1
N
9
0.1
N
9
0.1
N
8
0.1
N
8
0.1
N
8
0.1
N
8
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
7
Energy kJ
2
1
1
1
1
1
1
1
1
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.6
W
3
0.4
WSW
3
0.2
SSW
3
0.4
W
3
0.3
WSW
3
0.4
WSW
3
0.3
W
3
0.9
WNW
9
Energy kJ
8
3
1
2
2
3
1
124
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
2
2
Distance (km)
155
155
9
9
9
162
391
9
9
162
0
9
71
398
398
0
8
8
8
14
16
66
42
40
Best forecast wave conditions in Londonderry
Rating
(10 max)
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
2
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
6
6
6
7
6
8
8
8
8
7
5
5
5
5
7
9
9
7
5
7
9
9
9
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castlerock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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