Surf Forecast Surf Report
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Castlerock surf break
Beach/Jetty
Castlerock location map

Castlerock surf Forecast / Londonderry / Ireland

48hr Weather and Surf, issued 5 am Tuesday 19 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 8.2°C (Statistics for 19 Mar 1981-2005 - mean: 8.2 °C max: 9.0 °C min: 7.3 °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 8.2°C (Statistics for 19 Mar 1981-2005 - mean: 8.2 °C max: 9.0 °C min: 7.3 °C)


How big are the waves at Castlerock today?

The current surf forecast for Castlerock at 10AM is: 0.4m 11s primary swell from a West-northwest direction and 0.6m 6s secondary swell from a West-northwest direction (forecast issued at 05:00am March 19). The wind direction is predicted to be cross-shore.

Time (GMT) & DateWave HeightWave Period
Morning (19 Mar)1.5ft (0.4m)11s
Afternoon (19 Mar)3ft (0.9m)8s
Evening (19 Mar)3.5ft (1.0m)8s

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

Updates in  hr  min  s Update imminent
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
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
Swell
Height Map
Wave Height (m) & direction (?)
0.8
WNW
0.5
WNW
0.4
WNW
0.4
WNW
0.9
NW
1
NW
1
NW
1.3
NW
1.3
NW
1.3
NW
1.4
NW
1.4
NW
1.6
NW
1.5
NNW
1.4
NW
1.3
NNW
1.1
NW
0.9
NW
0.9
NW
1.4
NW
1.8
NW
1.8
NW
1.8
NW
2.1
NW
2.4
NW
3
NW
3
NW
3
NW
3
NW
3.5
NW
3.5
NW
4
NW
4
NW
4
NW
4
NW
4
NW
4
NW
4
NW
4
NNW
3.5
NNW
3.5
NNW
3
NNW
2.4
NNW
2.4
NNW
2
NNW
1.7
NNW
1.4
NNW
1.2
NNW
1
NNW
0.8
NNW
0.7
NNW
0.4
WNW
0.5
WNW
0.5
WNW
0.5
WNW
0.6
WNW
0.7
WNW
0.8
WNW
1
NW
1
NW
Period(s) (?)1212111188810101010111212121211111112131314151615141313121313141414141313131312121212111111101099121212111114141414
Wave
Graph
(?)Metric surfscale
Energy (?)167794842931261353413093153704586606475684493141721915781116114411611925273231972940288726303094431153416113649363085325516848624992433032142700159716221027638433267200110705879776885186264401390
Wind
(km/h)
30
WSW
25
WSW
15
W
15
NW
10
NW
5
N
5
E
5
SE
10
NNE
10
NE
10
NW
15
NNW
10
NNW
5
N
10
S
20
S
25
S
30
SSW
35
SSW
35
SW
30
SW
25
SW
25
WSW
25
WSW
30
WSW
35
W
35
W
45
WNW
45
WNW
45
WNW
40
WNW
40
WNW
45
WNW
45
WNW
45
NW
45
NW
45
NW
40
NW
35
NNW
35
NNW
30
NNW
30
NNW
25
NNW
15
NNW
10
N
10
ENE
10
SE
15
SE
15
SE
20
SE
20
SE
20
ESE
20
ESE
10
E
10
ENE
15
ESE
10
ESE
10
E
10
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
onglassglasscross-
on
cross-
on
cross-
on
ononglassoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
ononcross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
off
cross-
off
crosscross-
on
cross-
on
High Tide
/ height (m)
2:39AM
1.25
3:30PM
1.08
3:46AM
1.40
4:10PM
1.20
4:26AM
1.54
4:38PM
1.32
4:55AM
1.66
5:03PM
1.43
5:21AM
1.76
5:27PM
1.52
5:46AM
1.84
5:52PM
1.60
6:11AM
1.87
6:17PM
1.65
6:35AM
1.87
Low Tide
/ height (m)
9:41AM
0.64
9:20PM
0.64
10:30AM
0.52
10:10PM
0.48
11:01AM
0.41
10:44PM
0.34
11:27AM
0.32
11:13PM
0.23
11:51AM
0.25
11:40PM
0.14
12:15PM
0.19
12:06AM
0.09
12:38PM
0.16
12:32AM
0.07
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Sunrise--6:28-------6:26-------6:24-------6:20-------6:18-------6:16-------6:13-------6:11-
Sunset-----6:39-------6:42-------6:44-------6:45-------6:47-------6:50-------6:52------
cloudpart cloudpart cloudcloudcloudcloudcloudlight rainlight rainlight rainclearclearcloudclearpart cloudcloudcloudlight raincloudcloudcloudlight rainlight raincloudclearclearcloudrain showersclearclearrain showerslight rainlight rainlight rainlight rainlight rainlight rainpart cloudclearcloudpart cloudcloudcloudclearpart cloudpart cloudcloudcloudcloudcloudlight rainlight rainpart cloudclearclearclearclearclearclearclear
Rain (mm)
-------131-------1---12----1--1111111-------------11--------
Temp. °C999998876568877656810101198777776665567777766666544455667533356
Feels °C (?)3455556532335541-1-20346420-1-2-4-4-5-4-4-5-6-4-4-3-3-1-1-2-2-1121-1-1-1-1-10131-1-1-111

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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.


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