Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
18.3° C
2.5° 

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 (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 1ft (0.3m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 0.5ft (0.2m), 12s period with SSW swell.
  • Evening surf: Evening surf (18 Jul, local time) - 0.5ft (0.2m), 12s period with SSW swell.

The current surf forecast for Derrynane at 12PM is: 0.2m 12s primary swell from a South-southwest direction and 0.2m 8s secondary swell from a West direction (forecast issued at 06:00am July 18). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (18 Jul)1ft (0.3m)8s
Afternoon (18 Jul)0.5ft (0.2m)12s
Evening (18 Jul)0.5ft (0.2m)12s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Sun afternoon, min 14°C on Sat night). Wind will be generally light.

Saturday
18
Sunday
19
Monday
20
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
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
Swell
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)
0.3
W
8
0.2
SSW
13
0.3
W
8
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.3
W
9
0.2
W
12
0.2
SSW
19
0.2
SSW
19
0.3
W
11
0.4
W
11
0.4
W
11
0.5
W
11
0.5
W
11
0.5
W
11
0.5
W
11
0.5
W
10
0.5
W
10
Wave Graph
Metric surfscale
Energy kJ
10
17
10
14
13
18
13
13
13
13
14
12
37
37
22
38
38
57
55
55
55
51
49
Wind (km/h)
20
N
20
NNE
15
N
20
NNW
25
NNW
25
N
20
NNE
20
NNE
15
NE
15
NNE
15
NNE
10
N
10
NNW
5
ENE
10
NE
10
NNE
10
NNE
15
NNE
10
NNE
10
NNW
20
NNW
20
N
20
NNE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
glassy
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:19AM3.29m
8:31PM3.41m
9:04AM3.13m
9:17PM3.18m
9:51AM2.94m
Low Tide
2:09PM0.39m
2:40AM0.20m
2:55PM0.56m
3:26AM0.44m
3:44PM0.76m
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:43
5:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:50
9:49
9:46
 mm
Temp °C
16
15
17
19
20
17
14
16
15
15
16
19
21
19
17
18
19
18
18
20
21
19
19
Feels °C
13
11
13
15
15
13
11
13
12
12
14
17
19
18
16
15
17
16
17
18
18
16
17
  • 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.


Nearest locationNearest