Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.8° C
1.6° 

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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 1ft (0.3m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 1.5ft (0.4m), 16s period with SW swell.
  • Evening surf: Evening surf (19 Aug, local time) - 1.5ft (0.4m), 16s period with SSW swell.

The current surf forecast for Derrynane at 11AM is: 0.3m 16s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a South direction (forecast issued at 06:00am August 19). An open ocean swell of 2.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (19 Aug)1ft (0.3m)16s
Afternoon (19 Aug)1.5ft (0.4m)16s
Evening (19 Aug)1.5ft (0.4m)16s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Wed morning. Very mild (max 16°C on Wed morning, min 13°C on Thu night). Winds decreasing (fresh winds from the NW on Wed night, light winds from the N by Fri night).

Wednesday
19
Thursday
20
Friday
21
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
1
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)
0.4
SW
17
0.4
SW
16
0.3
SSW
16
0.3
SSW
16
0.4
SW
16
0.4
SSW
16
0.4
SSW
16
0.4
SW
15
0.3
SSW
15
0.3
SSW
15
0.3
SSW
15
0.4
SW
14
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.4
SW
14
0.4
SW
14
0.5
W
8
0.5
W
9
0.5
W
9
0.4
SW
13
0.5
W
10
0.5
W
10
Wave Graph
Metric surfscale
Energy kJ
73
69
50
48
64
98
95
60
44
42
42
54
82
81
80
51
48
36
39
39
47
47
50
Wind (km/h)
30
WNW
35
WNW
35
W
35
WNW
35
WNW
35
NW
35
NW
40
NW
40
NW
35
NNW
35
NNW
35
NNW
35
NNW
30
NNW
25
N
20
N
15
N
20
N
25
NNW
25
NNW
30
NNW
30
N
20
N
Wind State
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:45AM2.77m
10:06PM2.63m
10:35AM2.56m
11:06PM2.41m
11:42AM2.41m
Low Tide
3:43PM0.94m
4:06AM1.04m
4:42PM1.17m
5:11AM1.27m
6:08PM1.30m
light rain
part cloud
rain showers
rain showers
clear
rain showers
part cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:31
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:55
8:53
8:52
 mm
1
1
2
1
Temp °C
16
16
16
16
16
16
15
15
15
15
15
16
16
15
14
13
13
13
14
15
15
15
14
Feels °C
11
10
10
10
10
10
9
8
8
8
9
9
9
9
9
8
10
8
9
9
8
9
10
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Derrynane surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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