Derrynane Surf Break

Derrynane 48 hour detailed Surf Forecast

Lat Long: 51.76° N 10.17° W

Issued: 6 am 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
15.3° C

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 (07 Jul):

  • Morning surf: Morning surf (07 Jul, local time) - 0.5ft (0.1m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (07 Jul, local time) - 0.5ft (0.2m), 13s period with SSW swell.
  • Evening surf: Evening surf (07 Jul, local time) - 0.5ft (0.2m), 13s period with SSW swell.

The current surf forecast for Derrynane at 10AM is: 0.1m 14s primary swell from a Southwest direction (forecast issued at 06:00am July 07). An open ocean swell of 1.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (07 Jul)0.5ft (0.1m)14s
Afternoon (07 Jul)0.5ft (0.2m)13s
Evening (07 Jul)0.5ft (0.2m)13s

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 18°C on Thu afternoon, min 15°C on Tue morning). Wind will be generally light.

Tuesday
7
Wednesday
8
Thursday
9
Fri
10
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
1
1
1
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)
0.8
W
8
0.2
SSW
14
0.1
SW
14
0.2
SSW
12
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.2
SSW
13
0.2
SSW
12
1.1
W
9
0.2
SSW
12
0.2
SSW
12
1.3
W
9
1.3
W
9
1.3
W
9
1.2
W
9
1.2
W
8
Wave Graph
Metric surfscale
Energy kJ
74
20
8
15
17
17
17
17
17
17
17
7
7
7
16
14
196
14
14
268
264
264
215
205
Wind (km/h)
15
NW
10
NW
15
NW
15
WNW
20
WNW
20
NW
20
NNW
15
NNW
10
NW
10
NW
10
W
10
W
10
WSW
10
WSW
10
W
5
W
5
WSW
5
WSW
5
WSW
10
WSW
10
W
15
NW
15
NNW
15
N
Wind State
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
glassy
cross-on
cross-on
cross
cross-off
cross-off
High Tide
10:22AM2.75m
10:35PM2.80m
11:17AM2.73m
11:36PM2.75m
12:21PM2.75m
00:47AM2.75m
Low Tide
4:12PM0.91m
4:46AM0.73m
5:15PM0.96m
5:50AM0.78m
6:27PM0.93m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:31
5:31
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:59
9:59
9:58
9:57
 mm
Temp °C
13
13
15
16
16
16
16
15
15
15
16
16
16
16
16
16
16
16
16
17
17
18
17
17
Feels °C
11
12
13
14
14
14
14
14
14
14
15
14
15
15
16
17
17
17
17
17
16
17
16
16
Swell 1
Height (m)
Direction
Period (s)
0.8
W
8
1
W
10
1
W
10
1.1
W
9
1.1
W
9
1.1
W
9
1.1
W
9
1.1
W
9
1.1
W
9
1.1
W
9
1.1
W
10
1.1
W
10
1.1
W
10
1.1
W
10
1.1
W
10
1.1
W
9
1.1
W
9
1.2
W
9
1.3
W
9
1.3
W
9
1.3
W
9
1.3
W
9
1.2
W
9
1.2
W
8
Energy kJ
74
186
183
207
202
207
207
207
212
212
216
220
220
220
216
207
196
235
276
268
264
264
215
205
Swell 2
Height (m)
Direction
Period (s)
0.6
W
10
0.2
W
8
0.1
SW
14
0.2
SSW
12
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.1
SW
13
0.1
SW
13
0.1
S
11
0.2
SSW
13
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.3
WNW
12
Energy kJ
71
5
8
15
17
17
17
17
17
17
17
7
7
2
16
14
14
14
14
6
6
6
6
30
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
14
0.2
SSW
14
0.1
SW
12
0.1
SW
15
0.1
S
5
0.1
S
18
0.1
S
18
0.1
S
19
0.1
S
19
0.1
S
19
0.1
S
19
0.1
S
11
0.1
S
11
0.1
SW
13
0.1
SW
17
0.1
SW
17
0.1
SW
17
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
W
14
0.1
SW
12
Energy kJ
8
20
6
8
1
6
6
7
7
7
7
2
2
7
11
11
12
12
13
12
12
12
4
6
Wind waves
Height (m)
Direction
Period (s)
0.4
NW
3
0.2
WNW
2
0.3
NW
2
0.4
NW
3
0.3
NW
3
0.2
NNW
2
Energy kJ
2
1
1
3
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
2
1
1
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
1
1
Distance (km)
49
37
37
49
49
370
42
15
37
37
37
49
49
49
49
49
0
49
49
49
49
49
0
0
Best forecast wave conditions in Kerry
Rating
(10 max)
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
7
5
5
5
5
7
9
9
9
8
7
6
7
7
7
7
7
7
7
6
6
6
6
6
  • 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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