Derrynane Surf Break

Derrynane 48 hour detailed Surf Forecast

Lat Long: 51.76° N 10.17° W

Issued: 12 am 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
16.1° C

1.1°C warmer than normal for this time of year

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 Jul):

  • Morning surf: Morning surf (04 Jul, local time) - 4.5ft (1.3m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (04 Jul, local time) - 4.5ft (1.3m), 9s period with W swell.
  • Evening surf: Evening surf (04 Jul, local time) - 3ft (0.9m), 7s period with W swell.

The current surf forecast for Derrynane at 9AM is: 1.3m 10s primary swell from a West direction (forecast issued at 12:00am July 04). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (04 Jul)4.5ft (1.3m)10s
Afternoon (04 Jul)4.5ft (1.3m)9s
Evening (04 Jul)3ft (0.9m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 17°C on Fri night, min 14°C on Fri night). Wind will be generally light.

Saturday
4
Sunday
5
Monday
6
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)
1.3
W
10
1.3
W
10
1.3
W
10
1.3
W
10
1.3
W
10
1.3
W
9
1.4
W
8
0.1
SW
16
0.1
SW
15
0.1
SW
15
0.1
S
18
0.1
S
18
0.1
S
18
0.1
SW
15
0.1
SW
15
0.2
SSW
15
1.1
W
8
1
W
8
1
W
8
1
W
8
1
W
8
0.9
W
8
0.9
W
9
0.9
W
9
Wave Graph
Metric surfscale
Energy kJ
332
326
319
313
301
258
271
10
9
9
9
8
8
8
9
22
163
135
135
135
138
112
117
117
Wind (km/h)
15
W
15
W
15
WSW
20
WSW
20
W
20
WSW
15
W
10
WNW
10
WNW
10
W
5
WSW
10
SW
10
SW
10
SW
10
SW
5
SW
5
SW
5
SW
5
SW
5
SW
10
SW
10
SW
5
W
5
WNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
High Tide
8:13AM2.90m
8:22PM3.07m
8:52AM2.84m
9:00PM2.98m
9:34AM2.79m
9:44PM2.89m
Low Tide
1:51AM0.49m
1:58PM0.70m
2:28AM0.53m
2:37PM0.76m
3:07AM0.58m
3:20PM0.84m
clear
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:00
10:00
10:00
 mm
Temp °C
15
16
17
16
16
16
16
16
15
15
15
16
16
16
16
16
16
15
15
16
16
17
17
16
Feels °C
14
14
15
14
14
14
15
16
15
15
15
16
15
15
16
16
16
15
15
16
16
17
17
16
Swell 1
Height (m)
Direction
Period (s)
1.3
W
10
0.7
NW
10
0.7
NW
10
1.3
W
10
1.3
W
10
1.3
W
9
1.4
W
8
1.4
W
8
1.4
W
8
1.4
W
9
1.3
W
9
1.3
W
9
1.2
W
9
1.2
W
9
1.1
W
8
1.1
W
8
1.1
W
8
1
W
8
1
W
8
1
W
8
1
W
8
0.9
W
8
0.9
W
9
0.9
W
9
Energy kJ
332
100
96
313
301
258
271
279
279
304
252
252
215
210
173
169
163
135
135
135
138
112
117
117
Swell 2
Height (m)
Direction
Period (s)
0.6
NW
10
0.1
SW
16
0.1
SW
16
0.8
WNW
8
0.7
NW
8
0.6
WNW
9
0.5
NW
9
0.4
NW
9
0.2
WNW
9
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.2
SSW
15
0.2
SSW
16
0.2
SSW
16
0.2
SSW
16
0.2
SSW
16
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
Energy kJ
87
10
10
92
74
54
40
21
8
9
9
8
8
8
9
22
24
24
24
24
19
19
20
20
Swell 3
Height (m)
Direction
Period (s)
0.1
S
16
0.1
SW
16
0.1
S
12
0.1
SW
16
0.1
SW
16
0.1
S
16
0.1
S
16
0.1
SW
16
0.1
SW
15
0.1
S
12
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
6
0.1
S
8
Energy kJ
5
10
3
10
10
5
5
10
9
3
6
6
6
2
2
2
2
2
2
2
1
1
Wind waves
Height (m)
Direction
Period (s)
1.3
W
10
1.3
W
10
0.9
W
7
Energy kJ
326
319
87
Nearest Offshore or Glassy
Rating
(10 max)
3
2
2
2
1
1
1
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
Distance (km)
287
441
544
370
544
544
613
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
Best forecast wave conditions in Kerry
Rating
(10 max)
3
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
3
2
3
3
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
Header Global
Rating
(10 max)
8
5
5
5
5
5
4
5
5
9
9
9
8
7
5
7
6
5
6
5
5
9
8
7
  • 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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