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Castlerock ratings
Quality on a good day: 3.0
Consistency of Surf: 4.0
Difficulty Level: 1.0
Crowds: 4.0

Overall: 3.3

See all 18 ratings

Based on 1 vote. Vote


Surf Report Feed
Castlerock surf break
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Beach/jetty
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Castlerock location mapGet alerts  temp

Castlerock Surf Forecast / Londonderry / Ireland

48hr Weather and Surf, issued 6 pm Tuesday 11 May 2021 BST
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 9.5 °C (Statistics for 11 May 1981-2005 - mean: 10.1 max: 11.2 min: 8.9 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
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 9.5 °C (Statistics for 11 May 1981-2005 - mean: 10.1 max: 11.2 min: 8.9 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Londonderry

  1. weather stationWind Update Offshore wind reported 11 km from Castlerock (light winds from the SSE at MagilliganNO2 11 km from Castlerock).

    Castlerock
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1 h 4 min ago

Light
11 km/h
SSE
Cross-Off
Please reload the page to see if there are any updates.


How big are the waves at Castlerock today?

The current surf forecast for Castlerock at 11PM is: 0.7m 11s primary swell from a North-northwest direction (forecast issued at 06:00pm May 11). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (BST) & DateWave HeightWave Period
Morning (11 May)--
Afternoon (11 May)2.5ft (0.7m)12s
Evening (11 May)2.5ft (0.7m)12s

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

Updates in  hr  min  s Update imminent
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
Period(s) (?)
Wave
Graph
(?)Metric surfscale
Energy (?)
Wind
(km/h)
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
High Tide
/ height (m)
Low Tide
/ height (m)
Summary
Rain (mm)
Temp. °C
Chill °C (?)
Sunrise
Sunset
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wed
19
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
222100000000000000000000000000000000000000000000000000000000
T unitedkingdom.htsgw.metric.6.cc23
T unitedkingdom.htsgw.metric.12.cc23T unitedkingdom.htsgw.metric.18.cc23T unitedkingdom.htsgw.metric.30.cc23
T unitedkingdom.htsgw.metric.36.cc23T unitedkingdom.htsgw.metric.42.cc23T unitedkingdom.htsgw.metric.54.cc23
T unitedkingdom.htsgw.metric.60.cc23T unitedkingdom.htsgw.metric.66.cc23T unitedkingdom.htsgw.metric.78.cc23
T unitedkingdom.htsgw.metric.84.cc23T unitedkingdom.htsgw.metric.90.cc23T unitedkingdom.htsgw.metric.102.cc23
T unitedkingdom.htsgw.metric.108.cc23T unitedkingdom.htsgw.metric.114.cc23T unitedkingdom.htsgw.metric.126.cc23
T unitedkingdom.htsgw.metric.132.cc23T unitedkingdom.htsgw.metric.138.cc23T unitedkingdom.htsgw.metric.150.cc23
T unitedkingdom.htsgw.metric.156.cc23T unitedkingdom.htsgw.metric.162.cc23T unitedkingdom.htsgw.metric.174.cc23
T unitedkingdom.htsgw.metric.180.cc23T unitedkingdom.htsgw.metric.186.cc23T unitedkingdom.htsgw.metric.198.cc23
0.7
NNW
0.7
NNW
0.7
NNW
0.5
NNW
0.5
NNW
0.5
NNW
0.4
NNW
0.4
NNW
0.4
NNW
0.4
NNW
0.5
NNW
0.5
NNW
0.5
NNW
0.4
NNW
0.4
NNW
0.4
NNW
0.2
WNW
0.2
WNW
0.2
WNW
0.2
WNW
0.3
WNW
0.3
WNW
0.3
WNW
0.2
WNW
0.2
WNW
0.2
WNW
0.2
WNW
0.2
WNW
0.2
WNW
0.2
WNW
0.2
W
0.2
W
0.1
NW
0.3
WNW
0.3
WNW
0.3
WNW
0.3
WNW
0.2
WNW
0.8
E
1
E
0.9
ENE
0.2
W
0.7
N
0.7
N
0.6
N
0.5
NNW
0.4
NNW
0.6
NNW
0.8
NNW
0.8
NNW
0.7
NW
0.8
NW
0.7
NW
0.6
NW
0.6
NW
0.6
NNW
0.6
NNW
0.5
NNW
0.4
NNW
0.4
NNW
121212119888867777771313131212121212121111111111111116141313131244511445557766566688877
123123119644340272625152629291918181817161530292814141312121212991038343331152241351015181513935575240293331334342332121
20
SSE
20
SE
15
SE
10
SSE
10
E
0
NE
0
SSW
5
ESE
15
ENE
10
E
10
NE
0
E
10
SSE
10
SE
10
ESE
15
ENE
15
ENE
15
NE
10
NE
5
ESE
10
E
10
ESE
15
SE
15
SE
15
ESE
20
ESE
20
SE
15
ESE
25
ESE
25
ESE
30
ESE
30
E
25
E
25
E
25
E
25
ENE
20
ENE
15
NE
15
NE
15
N
20
N
10
NNW
10
NNW
10
WNW
15
W
10
WSW
15
WNW
20
NW
25
WNW
25
WNW
20
W
20
WSW
20
WSW
20
WSW
25
W
25
WNW
20
NW
20
NW
5
NNW
0
S
cross-
off
cross-
off
cross-
off
cross-
off
crossglassglasscross-
off
crosscrosscross-
on
glassoffcross-
off
cross-
off
crosscrosscross-
on
cross-
on
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscrosscross-
on
cross-
on
onononcross-
on
cross-
on
crosscross-
off
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
crosscrosscross-
on
cross-
on
glassglass
7:01PM
1.64
7:13AM
1.67
7:30PM
1.66
7:41AM
1.61
7:59PM
1.65
8:10AM
1.54
8:30PM
1.61
8:39AM
1.45
9:04PM
1.55
9:10AM
1.36
9:44PM
1.46
9:46AM
1.27
10:33PM
1.38
10:35AM
1.18
11:40PM
1.32
1:06AM
0.18
1:21PM
0.17
1:37AM
0.20
1:48PM
0.20
2:09AM
0.26
2:15PM
0.24
2:41AM
0.34
2:45PM
0.30
3:16AM
0.44
3:18PM
0.37
3:56AM
0.54
3:58PM
0.44
4:49AM
0.64
4:52PM
0.52

Note: the tide data above is for Portstewart which is 4 km away. Surf properties and timing are calculated for Castlerock.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at Castlerock blow from the S

Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wed
19
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
clear
clear
partially cloudy
cloudy
light rain
moderate rain
light rain
partially cloudy
rain showers
rain showers
cloudy
cloudy
cloudy
cloudy
partially cloudy
partially cloudy
clear
partially cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
partially cloudy
partially cloudy
rain showers
partially cloudy
cloudy
cloudy
light rain
light rain
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
cloudy
partially cloudy
partially cloudy
cloudy
cloudy
light rain
cloudy
cloudy
cloudy
partially cloudy
partially cloudy
partially cloudy
clear
clear
clear
clear
partially cloudy
partially cloudy
clear
clear
partially cloudy
clear
clearclearsome cloudscloudylight rainmod. rainlight rainsome cloudsrain shwrsrain shwrscloudycloudycloudycloudysome cloudssome cloudsclearsome cloudscloudycloudycloudycloudycloudysome cloudssome cloudsrain shwrssome cloudscloudycloudylight rainlight rainlight raincloudycloudycloudycloudycloudylight raincloudysome cloudssome cloudscloudycloudylight raincloudycloudycloudysome cloudssome cloudssome cloudsclearclearclearclearsome cloudssome cloudsclearclearsome cloudsclear
----161-11---------------1---112-----1-----1----------------
1312877679101088881012111098878810128799889999889910999881011111197771011111188
1110655678886877810987765658105466445666567777776689886444788978
-----5:24-------5:22-------5:20-------5:18-------5:16-------5:15-------5:13------
-9:21-------9:22-------9:24-------9:27-------9:28-------9:30-------9:31-------9:34--

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