Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 pm 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.2° C
1.1° 

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 Aug):

  • Morning surf: Morning surf (04 Aug, local time) - 3ft (0.9m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (04 Aug, local time) - 2.5ft (0.7m), 7s period with SSW swell.
  • Evening surf: Evening surf (04 Aug, local time) - 5ft (1.6m), 6s period with NW swell.

The current surf forecast for Derrynane at 12AM is: 0.7m 7s primary swell from a South direction and 0.2m 9s secondary swell from a West-southwest direction, 0.6m 7s secondary swell from a Southwest direction (forecast issued at 06:00pm August 03). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (04 Aug)3ft (0.9m)7s
Afternoon (04 Aug)2.5ft (0.7m)7s
Evening (04 Aug)5ft (1.6m)6s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Mon night. Very mild (max 18°C on Mon afternoon, min 14°C on Tue night). Winds increasing (light winds from the SSE on Mon afternoon, fresh winds from the NW by Tue night).

Mon
3
Tuesday
4
Wednesday
5
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)
1
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
Wave
Height (m)
Direction
Period (s)
1.1
SSW
7
1
SSW
7
0.9
SSW
7
0.7
S
7
0.9
SSW
7
0.9
SSW
7
0.9
SSW
7
0.8
SSW
7
1.2
WNW
5
1.4
NW
5
1.6
NW
6
0.4
SSW
6
1.6
NW
6
0.2
SSW
13
0.3
W
11
1.2
WNW
6
1.5
WNW
6
1.3
WNW
6
0.3
W
10
Wave Graph
Metric surfscale
Energy kJ
136
111
86
44
68
73
70
51
59
115
167
14
184
18
20
104
135
113
18
Wind (km/h)
15
ESE
10
SSE
15
SE
10
S
10
SW
10
SSW
10
W
25
WNW
30
WNW
35
NW
35
NW
35
NW
35
NW
30
NW
30
NW
30
WNW
35
WNW
30
NW
25
NW
Wind State
cross-off
cross-on
cross
cross-on
on
on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
High Tide
8:29PM3.16m
8:59AM3.00m
9:11PM3.02m
9:44AM2.89m
Low Tide
2:08PM0.54m
2:33AM0.40m
2:49PM0.65m
3:15AM0.55m
3:37PM0.78m
light rain
light rain
rain showers
rain showers
rain showers
part cloud
part cloud
cloud
part cloud
clear
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:27
9:24
9:22
 mm
1
1
1
2
1
Temp °C
18
18
18
18
17
17
18
17
17
16
15
15
14
15
15
15
15
15
15
Feels °C
18
19
17
18
17
16
17
14
13
11
8
8
7
8
9
9
8
9
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.


Nearest locationNearest