Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 pm 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
17.3° C
1.3° 

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 (30 Jul):

  • Morning surf: Morning surf (30 Jul, local time) - 0.5ft (0.1m), 6s period with S swell.
  • Afternoon surf: Afternoon surf (30 Jul, local time) - 0.5ft (0.1m), 13s period with S swell.
  • Evening surf: Evening surf (30 Jul, local time) - 0.5ft (0.2m), 9s period with W swell.

The current surf forecast for Derrynane at 3PM is: 0.1m 13s primary swell from a South direction (forecast issued at 12:00pm July 30). An open ocean swell of 0.1m 9s is not directed at the surf break, a second open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (30 Jul)0.5ft (0.1m)6s
Afternoon (30 Jul)0.5ft (0.1m)13s
Evening (30 Jul)0.5ft (0.2m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Fri morning, min 14°C on Fri night). Wind will be generally light.

Thu
30
Friday
31
Saturday
1
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
6
0.1
S
13
0.1
S
13
0.1
S
11
0.2
W
9
0.2
W
9
0.2
W
9
0.1
W
12
0.2
WSW
11
0.3
WSW
11
0.4
WSW
10
0.5
W
10
0.5
WSW
9
0.5
WSW
9
0.5
WSW
9
0.5
WSW
9
0.5
WSW
8
0.5
WSW
8
0.5
WSW
8
0.4
WSW
8
0.4
SW
8
Wave Graph
Metric surfscale
Energy kJ
1
3
3
2
6
6
6
3
12
23
33
50
48
46
45
44
40
39
39
23
17
Wind (km/h)
25
NNW
25
NW
25
NW
20
NW
15
WNW
20
WNW
20
W
20
W
20
W
20
W
20
WNW
20
WNW
15
NW
15
NW
10
NW
5
NW
5
WNW
10
WSW
10
WSW
5
W
5
N
Wind State
cross-off
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
on
cross-on
cross-on
glassy
High Tide
6:12PM3.30m
6:37AM3.12m
6:45PM3.34m
7:10AM3.14m
7:18PM3.32m
Low Tide
11:55AM0.52m
00:20AM0.30m
12:27PM0.46m
00:51AM0.25m
12:59PM0.45m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:32
9:31
9:30
 mm
Temp °C
15
15
15
15
15
15
15
15
15
16
16
16
15
14
14
14
15
15
15
15
15
Feels °C
11
10
10
11
12
12
11
11
11
12
12
12
12
12
12
13
14
13
13
14
15
  • 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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