Derrynane Surf Break

Derrynane 48 hour detailed Surf Forecast

Lat Long: 51.76° N 10.17° W

Issued: 12 am 01 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.2° C

2.5°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 (01 Jul):

  • Morning surf: Morning surf (01 Jul, local time) - 5ft (1.5m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (01 Jul, local time) - 5.5ft (1.7m), 7s period with WSW swell.
  • Evening surf: Evening surf (01 Jul, local time) - 8ft (2.4m), 8s period with WSW swell.

The current surf forecast for Derrynane at 6AM is: 1.7m 10s primary swell from a West direction and 0.2m 12s secondary swell from a South-southwest direction (forecast issued at 12:00am July 01). An open ocean swell of 1.0m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (01 Jul)5ft (1.5m)10s
Afternoon (01 Jul)5.5ft (1.7m)7s
Evening (01 Jul)8ft (2.4m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Wed morning. Very mild (max 16°C on Fri morning, min 12°C on Tue night). Winds decreasing (fresh winds from the W on Wed night, calm by Thu night).

Wednesday
1
Thursday
2
Friday
3
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)
1
1
0
0
0
0
0
0
0
1
3
2
1
1
0
2
2
0
0
1
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)
2.3
W
10
1.9
W
10
1.6
W
10
1.5
W
10
1.1
W
10
1.7
WSW
7
2.1
WSW
8
2.5
WSW
8
2.5
W
9
2.5
W
10
2.4
W
10
2.2
W
10
2
W
10
1.9
W
10
1.8
W
10
1.6
W
10
1.6
W
10
1.5
W
10
1.5
W
10
1.4
WSW
10
1.4
WSW
10
1.4
WSW
10
1.4
WSW
10
1.3
WSW
10
Wave Graph
Metric surfscale
Energy kJ
1119
711
499
441
231
278
549
936
1129
1203
1154
957
776
701
630
530
530
477
477
418
426
418
410
349
Wind (km/h)
20
NW
15
NW
15
W
20
SSW
25
SSW
25
SW
30
WSW
30
W
25
NW
20
NW
15
NW
10
NW
10
WNW
15
W
10
WNW
5
W
5
WSW
15
W
10
WSW
10
SW
15
SW
15
WSW
10
WSW
10
WSW
Wind State
cross
cross
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
cross
cross-off
cross
cross-on
cross-on
cross-on
glassy
glassy
cross-on
on
on
on
cross-on
on
on
High Tide
6:22AM2.99m
6:34PM3.17m
6:59AM2.98m
7:09PM3.17m
7:35AM2.95m
7:45PM3.13m
Low Tide
00:03AM0.51m
12:13PM0.63m
00:40AM0.47m
12:48PM0.63m
1:15AM0.47m
1:23PM0.65m
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:01
10:01
10:00
 mm
1
Temp °C
12
12
13
12
13
15
15
15
13
13
13
13
15
15
15
15
15
15
14
15
16
15
15
16
Feels °C
8
9
11
8
9
12
11
11
9
10
11
11
12
12
13
14
16
14
13
15
15
14
14
15
Swell 1
Height (m)
Direction
Period (s)
2.3
W
10
1.9
W
10
1.6
W
10
1.5
W
10
1.1
W
10
0.8
WSW
9
0.1
SW
12
0.1
SW
12
0.1
S
15
2.5
W
10
2.4
W
10
2.2
W
10
2
W
10
1.9
W
10
1.8
W
10
1.6
W
10
1.6
W
10
1.5
W
10
1.5
W
10
1.4
WSW
10
1.4
WSW
10
1.4
WSW
10
1.4
WSW
10
1.3
WSW
10
Energy kJ
1119
711
499
441
231
118
5
5
4
1203
1154
957
776
701
630
530
530
477
477
418
426
418
410
349
Swell 2
Height (m)
Direction
Period (s)
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
15
0.1
S
15
0.1
S
11
0.1
S
15
0.1
S
15
0.1
S
11
0.1
S
11
0.1
S
11
0.5
NW
9
0.5
NW
9
0.5
NW
9
0.4
NW
10
0.4
NW
9
0.4
NW
9
0.4
NW
9
0.5
NW
11
0.6
NW
11
Energy kJ
14
14
14
14
14
14
5
4
2
4
4
2
2
2
38
39
41
34
19
28
28
61
94
Swell 3
Height (m)
Direction
Period (s)
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
15
0.1
S
14
0.1
S
11
0.1
S
11
0.1
S
18
0.1
S
18
0.1
S
18
0.1
NW
13
0.2
WNW
12
0.1
S
17
0.1
S
17
Energy kJ
5
5
5
5
5
4
4
4
4
4
2
2
6
6
6
7
15
6
5
Wind waves
Height (m)
Direction
Period (s)
1
NW
7
1.2
SW
5
1.7
WSW
7
2.1
WSW
8
2.5
WSW
8
2.5
W
9
Energy kJ
105
80
278
549
936
1129
Nearest Offshore or Glassy
Rating
(10 max)
1
3
2
2
2
3
2
2
2
2
3
3
3
1
2
2
2
2
2
2
2
3
3
3
Distance (km)
92
49
49
54
400
544
544
544
612
55
0
37
37
362
37
0
0
54
49
49
49
49
49
49
Best forecast wave conditions in Kerry
Rating
(10 max)
3
2
2
2
4
4
3
3
3
3
2
2
2
2
3
3
3
Best forecast wave conditions in Ireland
Rating
(10 max)
1
3
2
2
2
2
4
4
3
3
3
3
2
2
2
2
3
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
9
5
7
6
6
5
7
8
9
9
9
7
5
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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