Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
16.2°C
0.8° 

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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 7.5ft (2.3m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 0.5ft (0.1m), 11s period with S swell.
  • Evening surf: Evening surf (15 Sep, local time) - 0.5ft (0.1m), 18s period with S swell.

The current surf forecast for Derrynane at 5AM is: 2.1m 9s primary swell from a West direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00am September 15). An open ocean swell of 0.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (15 Sep)7.5ft (2.3m)8s
Afternoon (15 Sep)0.5ft (0.1m)11s
Evening (15 Sep)0.5ft (0.1m)18s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Wed night. Very mild (max 16°C on Mon night, min 14°C on Mon night). Mainly strong winds.

Tuesday
15
Wednesday
16
Thursday
17
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
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
0
0
0
0
0
0
0
0
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)
2.1
WSW
9
2.1
W
10
2.2
W
8
2.3
W
8
2.4
W
9
0.1
S
14
0.1
S
15
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
11
0.1
S
11
0.1
S
14
0.1
S
13
2
W
10
2.3
W
9
2.5
W
9
0.1
S
13
0.1
S
14
0.1
S
14
0.1
S
19
0.1
SW
14
0.1
SW
13
0.1
SW
13
Wave Graph
Metric surfscale
Energy kJ
675
813
659
749
875
4
4
6
6
6
2
2
4
4
738
823
1003
4
4
4
7
7
7
7
Wind (km/h)
30
W
30
WNW
35
WNW
30
WNW
35
WNW
35
NW
35
NW
35
NW
30
NW
30
NW
30
NW
20
WNW
20
W
30
W
30
WSW
35
W
35
W
35
WNW
35
WNW
40
WNW
35
WNW
35
WNW
35
WNW
30
NW
Wind State
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-off
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
cross
cross
High Tide
7:45AM3.23m
8:01PM3.12m
8:20AM3.02m
8:39PM2.86m
8:58AM2.78m
9:23PM2.59m
Low Tide
1:24AM0.28m
1:41PM0.44m
1:58AM0.54m
2:17PM0.67m
2:33AM0.82m
2:58PM0.92m
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
part cloud
part cloud
light rain
rain showers
part cloud
cloud
cloud
cloud
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:15
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:55
7:53
7:52
 mm
1
3
2
Temp °C
15
15
14
15
14
15
14
14
14
14
14
14
15
15
15
15
15
14
14
14
14
15
14
14
Feels °C
10
9
8
9
7
9
8
8
8
9
8
10
12
10
10
9
10
8
7
6
7
8
7
8
  • 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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