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Surf Forecasts:

Castlerock surf break

Castlerock surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 5 am Monday 24 Nov 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Castlerock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castlerock sea temperature is
12.0° C
 (Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Castlerock today?

The current surf forecast for Castlerock at 11AM is: 1.7m 6s primary swell from a North direction and 0.8m 11s secondary swell from a West-northwest direction (forecast issued at 05:00am November 24). The wind direction is predicted to be onshore.

Time (GMT) & DateWave HeightWave Period
Morning (24 Nov)5ft (1.5m)6s
Afternoon (24 Nov)7ft (2.1m)7s
Evening (24 Nov)6ft (1.9m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
24
Tuesday
25
Wednesday
26
Thu
27
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
WNW
0.9
WNW
1.5
N
1.8
N
2.1
N
2.1
N
1.9
NNW
1.6
NNW
1.5
NNW
1.4
NNW
1.1
NNW
0.8
NNW
0.5
WNW
0.4
WNW
0.4
WNW
0.4
WNW
0.4
NW
0.4
WNW
0.4
NW
0.4
WNW
0.3
NW
0.4
WNW
0.4
NW
0.6
WNW
Period(s) (?)111167777766669999998914101312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2422001702934394913732471761399245453030312030172942424298
Wind
(km/h)
25
NNE
30
NNE
30
N
35
N
45
N
35
N
35
NNW
30
NNW
25
NNW
25
N
10
NNW
10
WNW
10
W
10
SSW
15
S
20
S
25
S
25
S
30
SSE
20
S
15
SSW
15
SW
15
S
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononononononononcross-
on		crosscross-
off		offoffoffoffoffoffoffcross-
off		offoff
High Tide
/ height (m)
7:52AM
1.59
7:56PM
1.37
8:33AM
1.52
8:34PM
1.29
9:21AM
1.45
9:21PM
1.21
Low Tide
/ height (m)
1:37AM
0.33
2:22PM
0.51
2:11AM
0.38
3:06PM
0.60
2:51AM
0.43
4:04PM
0.66
Monday
24
Tuesday
25
Wednesday
26
Thu
27
Sunrise--8:15-------8:17-------8:18-----
Sunset----4:09-------4:08-------4:07---
part cloud
clear
clear
clear
clear
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
Rain (mm)
-------1----------51----
Temp. °C891010988888888765545781099
Feels °C (?)1232-1-10012455320-1-3-225754
  • 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

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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.

View detailed surf forecast for Castlerock at:
surf-forecast.com

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