Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 pm 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
16.2°C
0.7° 

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 (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 5.5ft (1.7m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 5ft (1.6m), 8s period with W swell.
  • Evening surf: Evening surf (11 Sep, local time) - 5ft (1.6m), 9s period with W swell.

The current surf forecast for Derrynane at 1AM is: 1.9m 9s primary swell from a West-southwest direction (forecast issued at 06:00pm September 10). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (11 Sep)5.5ft (1.7m)8s
Afternoon (11 Sep)5ft (1.6m)8s
Evening (11 Sep)5ft (1.6m)9s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Sat morning. Very mild (max 17°C on Thu afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the SSW on Fri night, light winds from the SW by Sun morning).

Thu
10
Friday
11
Saturday
12
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
1
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
WSW
10
2.3
WSW
10
1.9
WSW
9
1.9
WSW
9
1.8
WSW
9
1.7
W
8
1.6
W
8
1.6
W
8
1.6
W
8
1.6
W
8
1.6
W
9
1.7
WSW
8
2.3
WSW
8
2.5
WSW
8
2.4
WSW
8
2.4
WSW
8
2.3
WSW
10
2.2
WSW
10
2
WSW
10
Wave Graph
Metric surfscale
Energy kJ
1077
943
646
559
505
412
343
339
347
356
430
394
638
921
809
827
1011
856
772
Wind (km/h)
30
WSW
25
W
20
WNW
20
WNW
20
NW
20
NW
10
NW
10
WSW
15
SSW
20
SSW
25
S
25
S
30
SSW
30
SW
30
SW
25
WSW
15
WSW
15
WSW
15
WSW
Wind State
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
High Tide
4:56PM3.58m
5:25AM3.48m
5:35PM3.66m
6:02AM3.54m
6:13PM3.65m
Low Tide
11:05PM-0.07m
11:19AM0.14m
11:42PM-0.13m
11:56AM0.09m
cloud
clear
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:05
8:02
 mm
3
3
5
4
1
Temp °C
17
16
16
15
14
13
14
14
14
15
15
16
16
17
17
17
17
17
17
Feels °C
13
13
13
12
10
9
12
12
11
11
11
12
12
13
14
15
16
16
16
  • 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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