Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
16.4°C
1.0° 

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 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 4ft (1.2m), 8s period with SW swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 5.5ft (1.7m), 7s period with WSW swell.
  • Evening surf: Evening surf (14 Sep, local time) - 7ft (2.1m), 8s period with WSW swell.

The current surf forecast for Derrynane at 6AM is: 1.1m 8s primary swell from a West-southwest direction (forecast issued at 12:00am September 14). An open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (14 Sep)4ft (1.2m)8s
Afternoon (14 Sep)5.5ft (1.7m)7s
Evening (14 Sep)7ft (2.1m)8s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 18°C on Sun night, min 13°C on Tue night). Winds increasing (light winds from the S on Sun night, fresh winds from the WNW by Tue morning).

Monday
14
Tuesday
15
Wednesday
16
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)
1.1
WSW
9
1.1
WSW
8
1.1
WSW
8
1.2
SW
8
1.5
SW
6
1.8
WSW
7
2
WSW
8
2.1
WSW
8
2.1
W
9
2.2
W
8
2.2
W
9
2.4
W
9
3
W
9
0.1
S
14
0.1
S
18
0.1
S
15
0.1
S
18
0.1
S
18
0.1
S
11
0.1
S
11
0.1
S
13
0.1
S
13
0.1
S
13
2.1
W
9
Wave Graph
Metric surfscale
Energy kJ
181
173
169
196
175
343
527
589
653
619
703
837
1273
5
6
4
6
6
2
2
4
4
4
702
Wind (km/h)
10
S
15
SW
15
SSE
20
S
25
SSW
10
S
25
SW
25
W
35
WNW
25
WNW
30
WNW
35
WNW
40
WNW
35
NW
35
NW
30
NW
25
NNW
35
NW
30
NW
15
NW
20
W
25
W
30
WSW
35
WSW
Wind State
cross-on
on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
High Tide
7:12AM3.40m
7:25PM3.36m
7:45AM3.23m
8:01PM3.12m
8:20AM3.02m
8:39PM2.86m
Low Tide
00:51AM0.06m
1:06PM0.25m
1:24AM0.28m
1:41PM0.44m
1:58AM0.54m
2:17PM0.67m
cloud
clear
cloud
light rain
light rain
light rain
light rain
rain showers
rain showers
clear
clear
rain showers
rain showers
clear
clear
clear
clear
part cloud
clear
cloud
cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:13
7:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
7:55
7:53
 mm
3
3
4
1
1
1
1
1
2
Temp °C
18
16
16
17
17
16
17
16
14
14
14
14
14
14
14
14
14
14
13
13
14
16
15
15
Feels °C
19
15
15
15
15
15
14
13
8
9
9
8
7
8
8
9
10
8
7
10
11
12
10
10
  • 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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