Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 pm 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.5° C
1.5° 

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 (27 Jul):

  • Morning surf: Morning surf (27 Jul, local time) - 0.5ft (0.1m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (27 Jul, local time) - 0.5ft (0.1m), 16s period with SW swell.
  • Evening surf: Evening surf (27 Jul, local time) - 0.5ft (0.1m), 15s period with SW swell.

The current surf forecast for Derrynane at 4PM is: 0.1m 16s primary swell from a Southwest direction (forecast issued at 12:00pm July 27). An open ocean swell of 1.5m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (IST) & DateWave HeightWave Period
Morning (27 Jul)0.5ft (0.1m)11s
Afternoon (27 Jul)0.5ft (0.1m)16s
Evening (27 Jul)0.5ft (0.1m)15s

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


Short Range Forecast

Some drizzle, heaviest during Wed afternoon. Very mild (max 18°C on Mon night, min 14°C on Wed afternoon). Wind will be generally light.

Mon
27
Tuesday
28
Wednesday
29
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
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
S
13
0.1
S
16
0.1
SW
16
0.1
SW
15
0.1
SW
15
0.1
S
15
0.1
SW
11
1.3
W
9
1.3
W
8
0.4
SSW
4
1.3
W
8
1.3
W
8
1.2
W
8
1.2
W
8
1.2
W
8
1.1
W
8
1.1
W
8
1
W
8
1.2
W
8
0.2
W
10
0.2
W
10
Wave Graph
Metric surfscale
Energy kJ
5
5
10
9
8
5
5
257
241
6
224
219
196
204
190
156
156
125
176
8
8
Wind (km/h)
15
W
15
W
15
WSW
15
SW
15
SW
15
SSW
20
S
15
S
15
S
20
S
15
S
15
SSW
15
SSW
15
SSW
15
SSW
10
SW
15
SW
20
WSW
20
NW
15
WNW
15
NW
Wind State
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross
cross
cross
High Tide
4:26PM2.92m
4:52AM2.86m
5:04PM3.08m
5:29AM2.98m
5:39PM3.21m
Low Tide
10:08AM0.89m
10:36PM0.69m
10:47AM0.74m
11:13PM0.53m
11:22AM0.61m
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
light rain
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:56
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:37
9:36
9:35
 mm
1
Temp °C
17
17
17
17
18
18
17
17
17
18
18
17
17
17
17
17
17
17
16
14
15
Feels °C
16
16
16
17
18
18
15
16
15
16
17
16
16
16
16
17
16
15
14
11
13
  • 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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