Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 am 15 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
18.2° C
2.6° 

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 (15 Jul):

  • Morning surf: Morning surf (15 Jul, local time) - 1.5ft (0.4m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (15 Jul, local time) - 1.5ft (0.4m), 16s period with SW swell.
  • Evening surf: Evening surf (15 Jul, local time) - 1ft (0.3m), 16s period with SSW swell.

The current surf forecast for Derrynane at 2PM is: 0.4m 16s primary swell from a Southwest direction and 0.4m 9s secondary swell from a West-southwest direction (forecast issued at 06:00am July 15). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (15 Jul)1.5ft (0.4m)16s
Afternoon (15 Jul)1.5ft (0.4m)16s
Evening (15 Jul)1ft (0.3m)16s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu afternoon. Warm (max 25°C on Thu morning, min 17°C on Fri night). Wind will be generally light.

Wednesday
15
Thursday
16
Friday
17
Sat
18
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
1 AM
Rating
(10 max)
1
1
1
1
0
0
0
1
1
1
1
1
0
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SSW
16
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
16
0.3
SSW
16
0.4
WSW
8
0.4
SW
16
0.4
SW
15
0.4
SSW
14
0.4
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
14
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.4
W
8
Wave Graph
Metric surfscale
Energy kJ
51
66
65
65
66
51
25
63
54
82
82
41
41
41
41
41
40
34
34
33
33
33
33
19
Wind (km/h)
15
NE
10
NE
5
ESE
5
S
10
SE
5
SE
5
NNW
5
NE
5
NE
10
NNE
10
NNW
10
NNW
15
SSE
0
SE
10
NNW
15
N
10
NNE
10
NNE
5
N
15
NW
20
NNW
20
N
15
N
15
NNE
Wind State
off
off
glassy
glassy
cross
cross
cross-off
off
off
cross-off
cross-off
cross-off
cross-on
glassy
cross-off
cross-off
off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
High Tide
5:59AM3.44m
6:14PM3.65m
6:47AM3.47m
7:01PM3.67m
7:34AM3.41m
7:46PM3.58m
Low Tide
11:53AM0.21m
00:24AM-0.09m
12:39PM0.20m
1:10AM-0.08m
1:24PM0.26m
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
rain showers
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:52
9:52
9:51
9:50
 mm
1
1
Temp °C
20
21
22
22
22
22
20
21
21
21
23
25
20
20
21
21
21
21
22
24
24
23
21
21
Feels °C
17
19
22
22
21
22
20
21
21
20
22
24
19
21
21
20
20
20
23
23
21
20
18
18
  • 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 

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