Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
16.1°C
0.6° 

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):

  • 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 11PM is: 1.6m 9s primary swell from a West direction and 0.8m 4s secondary swell from a South-southwest direction (forecast issued at 06:00pm September 11). An open ocean swell of 0.6m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (11 Sep)--
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

Heavy rain (total 22mm), heaviest during Sat morning. Very mild (max 18°C on Sun night, min 15°C on Fri afternoon). Winds decreasing (fresh winds from the SSW on Fri night, calm by Sat night).

Fri
11
Saturday
12
Sunday
13
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
1
0
0
1
0
1
2
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
W
8
1.6
W
8
1.6
W
9
1.8
SW
8
2.4
WSW
8
2.5
WSW
9
2.5
WSW
10
2.5
WSW
10
2.4
WSW
10
2.1
WSW
10
1.9
WSW
10
1.8
WSW
10
1.7
WSW
10
1.6
WSW
10
1.5
WSW
10
1.4
WSW
9
1.3
WSW
9
1.2
WSW
9
1.1
WSW
9
Wave Graph
Metric surfscale
Energy kJ
347
356
430
428
628
1131
1301
1510
1086
784
717
624
539
472
399
329
268
227
194
Wind (km/h)
15
SSW
20
S
25
S
30
S
35
SSW
35
SW
30
SW
15
WSW
15
WSW
15
WSW
15
W
10
W
5
WNW
0
SSE
10
SSE
15
S
15
S
15
SSW
15
SSE
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
on
on
cross-on
cross-on
cross
glassy
cross
cross-on
cross-on
cross-on
cross-on
High Tide
5:35PM3.66m
6:02AM3.54m
6:13PM3.65m
6:37AM3.50m
6:50PM3.54m
Low Tide
11:42PM-0.13m
11:56AM0.09m
00:17AM-0.08m
12:31PM0.13m
clear
part cloud
cloud
light rain
light rain
light rain
mod rain
light rain
rain showers
cloud
cloud
clear
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:02
8:00
 mm
1
1
1
6
3
1
Temp °C
15
15
15
16
17
17
17
17
17
17
16
16
15
15
15
16
17
17
18
Feels °C
12
11
11
12
12
12
14
16
16
16
15
16
15
16
15
15
16
17
18
  • 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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