Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.3° C
1.1° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 0.5ft (0.2m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 1ft (0.3m), 6s period with SSE swell.
  • Evening surf: Evening surf (10 Aug, local time) - 1ft (0.3m), 10s period with W swell.

The current surf forecast for Derrynane at 2AM is: 0.1m 12s primary swell from a Southwest direction and 0.2m 6s secondary swell from a South-southwest direction (forecast issued at 06:00pm August 09). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (10 Aug)0.5ft (0.2m)7s
Afternoon (10 Aug)1ft (0.3m)6s
Evening (10 Aug)1ft (0.3m)10s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Very mild (max 19°C on Wed morning, min 12°C on Sun night). Winds increasing (light winds from the ENE on Sun night, fresh winds from the SE by Tue morning).

Sun
9
Monday
10
Tuesday
11
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
SSW
12
0.2
SSW
12
0.2
SSW
6
0.2
SSW
6
0.2
SSW
6
0.2
SSW
6
0.2
SSW
7
0.2
SSW
7
0.3
SSE
6
0.2
W
10
0.3
W
10
0.3
W
10
0.6
SSE
4
0.4
W
7
0.4
WSW
12
0.6
WSW
11
0.8
WSW
11
0.9
WSW
10
1.1
WSW
10
Wave Graph
Metric surfscale
Energy kJ
14
14
4
6
6
4
4
4
6
8
17
16
8
16
48
97
158
187
223
Wind (km/h)
20
WNW
25
NW
20
NNW
15
N
10
NNE
5
ENE
10
SE
20
SSE
20
SSE
20
SE
20
ESE
20
ESE
25
ESE
25
ESE
25
SE
30
SE
30
SE
25
SE
25
SE
Wind State
cross-on
cross
cross-off
cross-off
cross-off
off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
High Tide
2:27PM2.89m
3:08AM2.90m
3:32PM3.13m
4:08AM3.13m
4:26PM3.39m
Low Tide
8:46PM0.68m
9:11AM0.70m
9:47PM0.40m
10:07AM0.48m
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
cloud
cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:15
9:14
9:12
 mm
Temp °C
17
16
15
13
12
12
14
15
16
16
16
15
15
15
17
18
18
18
18
Feels °C
15
13
12
11
10
11
12
12
13
12
13
12
11
11
13
14
14
15
16
  • 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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