Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 am 23 Sep 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
15.9°C
0.9° 

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 (23 Sep):

  • Morning surf: Morning surf (23 Sep, local time) - 0.5ft (0.2m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (23 Sep, local time) - 0.5ft (0.2m), 12s period with S swell.
  • Evening surf: Evening surf (23 Sep, local time) - 0.5ft (0.1m), 15s period with S swell.

The current surf forecast for Derrynane at 5AM is: 0.2m 12s primary swell from a South direction (forecast issued at 12:00am September 23). An open ocean swell of 2.4m 13s is not directed at the surf break, a second open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (23 Sep)0.5ft (0.2m)12s
Afternoon (23 Sep)0.5ft (0.2m)12s
Evening (23 Sep)0.5ft (0.1m)15s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Thu night. Very mild (max 17°C on Tue night, min 12°C on Tue night). Winds increasing (calm on Wed morning, fresh winds from the SSE by Thu morning).

Wednesday
23
Thursday
24
Friday
25
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)
2
0
0
0
0
0
0
0
0
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)
2.5
W
14
0.2
S
12
0.2
S
12
0.2
S
12
0.2
S
12
0.2
S
12
0.1
S
12
0.1
S
15
1.2
W
11
0.8
S
4
0.9
S
4
1.2
SSW
5
1.3
SW
6
1.8
WSW
10
2.5
W
13
3.5
W
16
4
W
16
4
W
15
4
W
15
3.5
W
14
3.5
W
14
0.1
SW
16
0.1
SW
15
0.1
SW
15
Wave Graph
Metric surfscale
Energy kJ
2406
11
11
11
11
11
3
4
335
20
30
75
150
587
2400
6715
7370
6219
6040
5269
4843
10
9
9
Wind (km/h)
25
NW
25
NNW
15
NNW
10
N
0
NE
10
S
15
SSE
20
SE
25
SSE
30
SSE
30
SSE
30
SSE
25
S
20
S
15
SSW
15
NNW
10
NNW
20
NW
10
NW
5
NW
5
SSW
10
SSW
15
SSW
20
SW
Wind State
cross
cross-off
cross-off
cross-off
glassy
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
cross-off
cross-off
cross
cross
glassy
glassy
cross-on
on
on
High Tide
3:21AM2.67m
3:29PM2.90m
3:57AM2.90m
4:04PM3.12m
4:30AM3.11m
4:38PM3.32m
Low Tide
9:20AM0.91m
9:44PM0.60m
9:54AM0.67m
10:16PM0.36m
10:26AM0.46m
cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
light rain
light rain
light rain
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:28
7:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:35
7:32
 mm
1
2
1
1
1
Temp °C
14
13
12
12
14
13
13
13
14
14
14
15
16
16
16
14
14
12
12
12
12
12
13
14
Feels °C
10
9
9
10
14
11
11
9
9
10
10
11
13
13
14
12
12
8
11
11
11
10
10
11
  • 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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