Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 am 14 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.9° C
2.3° 

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


How big are the waves at Derrynane today (14 Jul):

  • Morning surf: Morning surf (14 Jul, local time) - 1.5ft (0.4m), 18s period with SW swell.
  • Afternoon surf: Afternoon surf (14 Jul, local time) - 1.5ft (0.4m), 18s period with SW swell.
  • Evening surf: Evening surf (14 Jul, local time) - 1.5ft (0.5m), 10s period with W swell.

The current surf forecast for Derrynane at 1PM is: 0.4m 18s primary swell from a Southwest direction and 0.6m 10s secondary swell from a West direction (forecast issued at 06:00am July 14). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (14 Jul)1.5ft (0.4m)18s
Afternoon (14 Jul)1.5ft (0.4m)18s
Evening (14 Jul)1.5ft (0.5m)10s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu afternoon. Warm (max 23°C on Tue morning, min 20°C on Wed night). Wind will be generally light.

Tuesday
14
Wednesday
15
Thursday
16
Fri
17
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
1 AM
Rating
(10 max)
1
1
1
1
0
0
0
1
1
1
1
1
0
0
0
1
1
1
1
1
0
1
1
1
Swell
Height Map
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)
0.5
W
11
0.4
SW
18
0.4
SW
18
0.4
SW
18
0.4
SW
18
0.5
W
10
0.5
W
9
0.5
W
9
0.3
SSW
16
0.4
SW
16
0.4
SW
16
0.4
SSW
16
0.4
SW
16
0.3
SSW
16
0.4
WSW
8
0.4
SW
16
0.4
SW
15
0.4
SSW
14
0.4
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
14
Wave Graph
Metric surfscale
Energy kJ
59
80
80
80
80
49
44
42
51
66
65
100
66
51
25
63
54
82
82
41
41
41
41
41
Wind (km/h)
15
NE
10
NE
10
E
15
ESE
25
SE
20
SE
5
NE
10
NE
10
NE
10
NE
5
SE
0
SE
10
SSE
5
SE
10
N
10
NNE
5
NE
10
N
10
N
5
WSW
15
S
5
WNW
10
NNW
10
N
Wind State
off
off
cross-off
cross-off
cross
cross
glassy
off
off
off
glassy
glassy
cross-on
cross
cross-off
cross-off
off
cross-off
cross-off
glassy
cross-on
glassy
cross-off
cross-off
High Tide
5:07AM3.34m
5:25PM3.55m
5:59AM3.44m
6:14PM3.65m
6:47AM3.47m
7:01PM3.67m
Low Tide
11:04AM0.29m
11:35PM0.00m
11:53AM0.21m
00:24AM-0.09m
12:39PM0.20m
clear
clear
clear
part cloud
clear
cloud
part cloud
cloud
cloud
cloud
cloud
clear
cloud
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
rain showers
light rain
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:39
5:39
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:53
9:52
9:52
9:51
 mm
1
1
3
Temp °C
19
20
21
23
22
22
21
21
21
21
21
23
22
21
20
21
21
21
22
23
20
20
20
20
Feels °C
16
18
20
21
17
18
20
19
18
19
21
24
22
21
20
20
21
21
22
23
19
21
19
19
  • 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 Derrynane 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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