Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 am 28 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.5° C
1.5° 

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 (28 Jul):

  • Morning surf: Morning surf (28 Jul, local time) - 4.5ft (1.4m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (28 Jul, local time) - 4.5ft (1.3m), 8s period with W swell.
  • Evening surf: Evening surf (28 Jul, local time) - 4.5ft (1.3m), 8s period with W swell.

The current surf forecast for Derrynane at 4AM is: 1.3m 9s primary swell from a West direction and 0.1m 11s secondary swell from a Southwest direction (forecast issued at 12:00am July 28). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (28 Jul)4.5ft (1.4m)8s
Afternoon (28 Jul)4.5ft (1.3m)8s
Evening (28 Jul)4.5ft (1.3m)8s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Wed morning. Very mild (max 18°C on Mon night, min 14°C on Wed night). Wind will be generally light.

Tuesday
28
Wednesday
29
Thursday
30
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)
0.1
S
15
1.3
W
9
1.4
W
9
1.4
W
8
1.4
W
8
1.3
W
8
1.3
W
8
1.3
W
8
1.3
W
9
1.3
W
8
1.1
W
8
1.1
W
8
1
W
8
0.3
W
10
0.3
W
10
0.3
W
10
0.1
S
13
0.1
S
13
0.1
SW
13
0.1
SW
13
0.1
S
13
0.1
S
13
0.1
S
11
0.1
S
11
Wave Graph
Metric surfscale
Energy kJ
5
262
291
273
260
217
228
235
245
228
156
156
125
17
17
16
3
3
7
7
3
3
2
2
Wind (km/h)
15
SSW
20
S
15
SSW
20
SSW
20
S
15
SSW
15
SSW
15
SSW
15
SSW
15
WSW
10
WSW
10
SW
15
NW
15
NW
20
WNW
20
WNW
20
WNW
25
W
30
NW
25
NW
25
NW
25
NW
20
NW
15
WNW
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross
cross
cross
cross
cross-on
cross-on
cross
cross-off
cross
cross
cross
cross
High Tide
4:52AM2.86m
5:04PM3.08m
5:29AM2.98m
5:39PM3.21m
6:03AM3.07m
6:12PM3.30m
Low Tide
10:36PM0.69m
10:47AM0.74m
11:13PM0.53m
11:22AM0.61m
11:47PM0.39m
11:55AM0.52m
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
light rain
rain showers
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:36
9:35
9:32
 mm
2
3
3
Temp °C
18
17
17
17
17
18
17
17
17
17
17
17
16
15
15
15
15
15
14
15
15
15
15
14
Feels °C
17
16
16
15
15
17
16
16
16
17
17
17
15
13
11
11
11
10
9
10
10
10
11
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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