Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 pm 25 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 (25 Jul):

  • Afternoon surf: Afternoon surf (25 Jul, local time) - 0.5ft (0.2m), 12s period with SSW swell.
  • Evening surf: Evening surf (25 Jul, local time) - 0.5ft (0.2m), 12s period with SSW swell.

The current surf forecast for Derrynane at 11PM is: 0.2m 12s primary swell from a South-southwest direction (forecast issued at 06:00pm July 25). An open ocean swell of 2.0m 11s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (25 Jul)--
Afternoon (25 Jul)0.5ft (0.2m)12s
Evening (25 Jul)0.5ft (0.2m)12s

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


Short Range Forecast

Some drizzle, heaviest during Sat night. Very mild (max 18°C on Mon afternoon, min 15°C on Sat night). Winds decreasing (fresh winds from the WNW on Sat night, light winds from the SW by Mon night).

Sat
25
Sunday
26
Monday
27
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
1.3
W
9
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.1
S
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
S
16
0.1
SW
12
0.1
SW
11
0.1
S
13
0.1
S
13
0.1
S
16
0.1
SW
16
0.1
SW
15
0.1
SW
15
Wave Graph
Metric surfscale
Energy kJ
14
245
14
14
14
13
5
11
11
10
6
6
5
5
5
5
10
9
8
Wind (km/h)
20
WNW
20
WNW
30
WNW
35
WNW
35
NW
35
NW
35
NW
35
NW
35
NW
30
NW
25
WNW
20
WNW
15
WNW
15
WSW
15
WSW
20
W
15
WSW
10
WSW
10
SW
Wind State
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
High Tide
2:50PM2.62m
3:24AM2.58m
3:42PM2.76m
4:12AM2.72m
4:26PM2.92m
Low Tide
9:07PM1.01m
9:24AM1.03m
9:55PM0.86m
10:08AM0.89m
cloud
cloud
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:40
9:38
9:37
 mm
1
Temp °C
16
16
16
16
15
15
15
15
15
15
15
15
15
16
17
17
18
18
18
Feels °C
14
14
12
10
9
9
9
9
9
10
11
12
13
15
16
16
18
18
19
  • 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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