Surf Forecast Surf Report
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Castlerock surf break
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Castlerock surf Forecast / Londonderry / Ireland

12 Day Weather and Surf, issued 11 am Friday 29 Mar 2024 GMT
Forecast update in  hr  min  s 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 8.6°C (Statistics for 29 Mar 1981-2005 - mean: 8.4 °C max: 9.2 °C min: 7.5 °C)
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  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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 8.6°C (Statistics for 29 Mar 1981-2005 - mean: 8.4 °C max: 9.2 °C min: 7.5 °C)


Best Forecast Surf Conditions for Castlerock this week:

The surf forecast for Castlerock over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 30) at 3PM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.3m and 14s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Castlerock in the next 12 days are 1.4m 6s and forecast to arrive on Wednesday (Apr 03) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Thursday (Apr 04) at 1PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sat 30th Mar)2.5ft (0.7m) 9s
Best Surf 3PM (Sat 30th Mar)2.5ft (0.7m) 9s
Most Powerful 7AM (Wed 3rd Apr)4.5ft (1.4m) 6s

Table - best surf conditions forecast for Castlerock over the next 12 days.

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Updates in  hr  min  s Update imminent
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
NW
0.4
NW
0.4
NNW
0.3
NNW
0.7
NNW
0.7
NNW
0.7
NNW
0.6
NNW
0.3
NNW
0.3
NNW
0.4
NNW
0.4
NNW
0.4
NNW
0.3
NNW
1.2
E
1.1
NE
0.6
NE
0.4
NNW
0.2
NNW
0.1
N
0.3
WNW
0.3
WNW
0.2
WNW
0.2
W
0.9
WNW
1.1
WNW
0.9
WNW
0.8
WNW
0.8
WNW
0.7
WNW
0.4
WNW
0.6
NW
0.7
NNW
0.7
NNW
0.3
WNW
0.3
WNW
Period(s) (?)1312121491099141410101095657712151412844999988871413
Wave
Graph
(?)Metric surfscale
Energy (?)84524436788375554141373530177577171853453615521521481039971263859443935
Wind
(km/h)
10
SE
10
S
10
S
15
S
20
SSE
15
SSE
20
ESE
20
SE
15
E
25
E
20
E
30
ESE
30
ESE
30
ESE
40
E
40
E
25
E
25
E
35
E
45
E
25
SW
15
W
25
E
20
SE
15
SE
5
SSE
25
NNE
20
ENE
25
ENE
35
ENE
10
NE
15
NNE
10
E
15
E
20
NNE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscrosscross-
off
crosscrosscross-
off
cross-
off
cross-
off
oncross-
on
crosscross-
on
cross-
on
cross-
on
crosscrossoncross-
off
High Tide
/ height (m)
8:07PM
1.59
8:22AM
1.53
8:41PM
1.49
8:56AM
1.39
9:23PM
1.36
9:42AM
1.25
10:29PM
1.23
11:05AM
1.11
12:38AM
1.20
1:34PM
1.10
2:28AM
1.37
2:59PM
1.24
3:26AM
1.61
3:51PM
1.40
4:11AM
1.85
4:33PM
1.56
4:52AM
2.04
5:12PM
1.68
5:31AM
2.15
5:50PM
1.78
6:10AM
2.17
6:27PM
1.83
Low Tide
/ height (m)
2:01PM
0.31
2:12AM
0.36
2:24PM
0.39
2:41AM
0.48
2:55PM
0.49
3:23AM
0.61
3:47PM
0.61
4:58AM
0.74
5:45PM
0.69
7:47AM
0.71
7:58PM
0.62
9:17AM
0.53
9:09PM
0.46
10:10AM
0.32
9:58PM
0.28
10:52AM
0.14
10:39PM
0.12
11:30AM
0.00
11:19PM
-0.01
12:06PM
-0.06
11:59PM
-0.09
12:40PM
-0.06
12:39AM
-0.10
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Sunrise6:03--6:01--5:58--5:56--5:52--5:50--5:48--5:46--5:43--5:41--5:37--5:35--
Sunset-7:00--7:01--7:04--7:06--7:07--7:09--7:12--7:14--7:15--7:17--7:19--7:21-
part cloudrain showerspart cloudclearrain showerspart cloudpart cloudrain showerspart cloudpart cloudpart cloudcloudcloudpart cloudmod rainlight rainlight rainlight rainmod rainlight rainrain showerscloudlight rainrain showerslight rainlight rainmod rainlight rainlight rainlight rainclearclearpart cloudclearclearpart cloud
Rain (mm)
-2--1--1------8325741-411217321------
Temp. °C888910710989107786676689781010106444553555
Feels °C (?)45544345434-1-11-3-310-254525680-1-3-500-2-1-20

Short Range Forecast: Light rain (total 4mm), mostly falling on Fri afternoon. Very mild (max 10°C on Sat afternoon, min 5°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Tue night. Very mild (max 10°C on Mon afternoon, min 5°C on Mon night). Mainly strong winds.

Days 6-9 Weather Summary Heavy rain (total 37mm), heaviest during Fri night. Very mild (max 10°C on Fri night, min 4°C on Sat night). Winds decreasing (strong winds from the E on Thu morning, calm by Fri morning).

Long Range Forecast: Light rain (total 6mm), mostly falling on Sun morning. Mild temperatures (max 5°C on Mon morning, min 2°C on Tue night). Winds decreasing (fresh winds from the ENE on Sun night, calm by Wed morning).

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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.


Information about the Castlerock Surf forecast

The above surf forecast table for Castlerock provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Castlerock can be found by selecting the local surf guide option on the grey menu. Our Castlerock 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 (Castlerock) 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 Castlerock 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.

Are you planning a holiday in Londonderry? If you are looking for accommodation near Castlerock, camping, hotels and holiday cottages in Londonderry, consider staying in Coleraine which is 8 km (5 miles) away. Other places in and around Londonderry where you can find information about places to rent, and car hire include Ballycastle which is 34 km (21 miles) away, Ballypatrick, Londonderry County Borough and Derry.

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