Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 am 04 Oct 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
15.3°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 (04 Oct):

  • Morning surf: Morning surf (04 Oct, local time) - 2.5ft (0.8m), 8s period with WSW swell.
  • Afternoon surf: Afternoon surf (04 Oct, local time) - 4.5ft (1.3m), 10s period with W swell.
  • Evening surf: Evening surf (04 Oct, local time) - 5ft (1.6m), 10s period with W swell.

The current surf forecast for Derrynane at 10AM is: 0.9m 8s primary swell from a West-southwest direction (forecast issued at 06:00am October 04). An open ocean swell of 1.0m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (04 Oct)2.5ft (0.8m)8s
Afternoon (04 Oct)4.5ft (1.3m)10s
Evening (04 Oct)5ft (1.6m)10s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Sun morning, min 11°C on Tue night). Wind will be generally light.

Sunday
4
Monday
5
Tuesday
6
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
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)
0.9
WSW
8
0.8
WSW
7
0.9
WSW
8
0.9
WSW
8
1.3
W
10
1.5
W
10
1.6
W
10
1.5
W
10
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.9
SW
7
0.2
SSW
13
0.1
SW
13
0.1
SW
12
0.1
SW
12
0.6
WSW
7
0.1
SW
12
0.3
SW
7
0.1
SW
12
0.2
SSW
12
0.1
SW
12
Wave Graph
Metric surfscale
Energy kJ
108
70
95
91
345
441
492
417
17
17
17
17
79
17
6
6
6
32
6
7
6
14
6
Wind (km/h)
10
SW
10
SW
15
SSW
15
SSW
15
SSW
15
SSW
20
SW
20
SSW
20
SW
15
SW
15
WSW
15
WSW
10
SW
5
WSW
5
SW
5
SSW
5
SSW
5
SW
10
N
20
N
25
N
25
N
25
N
Wind State
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
glassy
on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:26AM2.67m
00:26AM2.55m
12:56PM2.72m
1:50AM2.70m
2:09PM2.91m
Low Tide
5:55PM0.95m
6:35AM1.12m
7:29PM0.80m
7:57AM0.94m
8:34PM0.55m
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:45
—
—
—
—
—
—
—
7:47
—
—
—
—
—
—
—
7:48
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:12
—
—
—
—
—
—
—
7:09
—
—
—
—
—
—
—
7:07
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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—
—
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Temp °C
15
16
16
16
16
16
16
16
16
16
16
16
16
16
15
15
15
16
15
13
13
12
11
Feels °C
14
16
15
15
14
14
14
14
14
15
15
15
15
16
15
15
15
17
15
9
9
7
6
  • 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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