Derrynane Surf Break

Derrynane 48 hour detailed Surf Forecast

Lat Long: 51.76° N 10.17° W

Issued: 12 am 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.2° C

2.6°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 (30 Jun):

  • Morning surf: Morning surf (30 Jun, local time) - 8ft (2.5m), 10s period with WSW swell.
  • Afternoon surf: Afternoon surf (30 Jun, local time) - 8ft (2.4m), 10s period with WSW swell.
  • Evening surf: Evening surf (30 Jun, local time) - 8ft (2.5m), 11s period with W swell.

The current surf forecast for Derrynane at 9AM is: 2.5m 10s primary swell from a West-southwest direction and 1.1m 7s secondary swell from a South direction (forecast issued at 12:00am June 30). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (30 Jun)8ft (2.5m)10s
Afternoon (30 Jun)8ft (2.4m)10s
Evening (30 Jun)8ft (2.5m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Mon night. Very mild (max 15°C on Mon night, min 12°C on Tue night). Winds decreasing (strong winds from the S on Mon night, light winds from the SW by Tue night).

Tuesday
30
Wednesday
1
Thursday
2
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
2
2
2
1
0
0
0
0
0
0
2
3
1
1
2
1
2
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)
3
SW
9
3
SW
9
2.4
WSW
10
2.5
WSW
10
2.5
WSW
10
2.3
WSW
10
2.5
W
11
2.5
W
11
2.2
W
10
1.9
W
10
1.6
W
10
1.6
WSW
10
1.1
W
10
1.8
WSW
7
2.2
WSW
8
2.5
WSW
9
3
W
9
3
W
10
2.5
W
10
2.4
W
10
2.2
W
10
2.1
W
10
1.9
W
10
1.8
W
10
Wave Graph
Metric surfscale
Energy kJ
1414
1411
1049
1267
1283
1128
1504
1423
1046
725
499
454
231
307
678
1023
1392
1527
1403
1131
951
873
730
656
Wind (km/h)
40
S
25
SW
20
W
20
W
25
WNW
35
NW
35
NW
25
NNW
20
NNW
15
NW
5
SW
20
SSW
25
SSW
20
SW
20
SW
30
W
30
W
20
NW
20
NNW
15
NW
15
WNW
15
WNW
10
WNW
5
SW
Wind State
cross-on
on
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross
on
cross-on
cross-on
on
on
cross-on
cross-on
cross
cross-off
cross
cross
cross
cross-on
glassy
High Tide
5:45AM2.97m
5:57PM3.13m
6:22AM2.99m
6:34PM3.17m
6:59AM2.98m
7:09PM3.17m
Low Tide
11:26PM0.57m
11:38AM0.66m
00:03AM0.51m
12:13PM0.63m
00:40AM0.47m
12:48PM0.63m
light rain
rain showers
rain showers
rain showers
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:01
10:01
10:01
 mm
2
1
1
1
Temp °C
15
15
14
15
15
15
14
13
13
12
13
13
14
15
15
15
15
13
13
13
14
14
14
14
Feels °C
8
11
11
13
11
9
8
9
10
10
13
9
10
12
13
11
11
10
10
10
11
11
12
14
Swell 1
Height (m)
Direction
Period (s)
0.4
SSW
13
2.4
WSW
10
2.5
WSW
10
2.5
WSW
10
2.3
WSW
10
0.2
SSW
12
2.5
W
11
2.2
W
10
1.9
W
10
1.6
W
10
1.6
WSW
10
1.1
W
10
0.8
WSW
9
0.1
SW
12
0.1
SW
12
0.1
S
15
0.1
S
15
2.5
W
10
2.4
W
10
2.2
W
10
2.1
W
10
1.9
W
10
1.8
W
10
Energy kJ
65
1049
1267
1283
1128
15
1423
1046
725
499
454
231
118
5
5
4
4
1403
1131
951
873
730
656
Swell 2
Height (m)
Direction
Period (s)
1.1
S
7
0.2
SSW
12
0.1
SW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.1
S
16
0.1
S
15
0.1
S
15
0.1
S
15
0.1
S
11
0.1
S
11
0.1
S
11
0.1
NW
11
Energy kJ
127
14
6
15
14
14
14
14
14
14
14
5
4
4
4
2
2
2
5
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
13
0.1
S
16
0.1
S
16
0.1
S
16
0.1
S
16
0.1
S
16
0.1
S
15
0.1
S
15
0.1
S
15
0.1
S
11
Energy kJ
62
5
5
5
5
5
4
4
4
2
Wind waves
Height (m)
Direction
Period (s)
3
SW
9
3
SW
9
1.1
NW
5
2.5
W
11
1.3
SW
5
1.8
WSW
7
2.2
WSW
8
2.5
WSW
9
3
W
9
3
W
10
Energy kJ
1414
1411
47
1504
90
307
678
1023
1392
1527
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
1
3
1
2
1
3
2
2
1
3
2
2
1
1
1
1
4
3
3
2
Distance (km)
325
225
54
54
409
148
500
377
88
49
49
54
286
544
544
371
565
148
92
92
44
49
37
0
Best forecast wave conditions in Kerry
Rating
(10 max)
3
3
3
2
2
4
3
3
3
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
3
3
1
3
1
3
2
2
2
1
1
1
4
3
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
5
5
5
6
6
6
5
5
  • 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
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