Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 am 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
15.9°C
1.2° 

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 (29 Sep):

  • Morning surf: Morning surf (29 Sep, local time) - 2.5ft (0.8m), 9s period with WSW swell.
  • Afternoon surf: Afternoon surf (29 Sep, local time) - 2.5ft (0.8m), 10s period with WSW swell.
  • Evening surf: Evening surf (29 Sep, local time) - 13ft (4.0m), 11s period with SSW swell.

The current surf forecast for Derrynane at 11AM is: 0.7m 9s primary swell from a West-southwest direction (forecast issued at 06:00am September 29). An open ocean swell of 0.6m 11s is not directed at the surf break, a second open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (29 Sep)2.5ft (0.8m)9s
Afternoon (29 Sep)2.5ft (0.8m)10s
Evening (29 Sep)13ft (4.0m)11s

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


Short Range Forecast

Heavy rain (total 38mm), heaviest during Tue afternoon. Very mild (max 17°C on Tue morning, min 13°C on Tue night). Winds decreasing (gales from the SE on Tue afternoon, light winds from the SW by Thu night).

Tuesday
29
Wednesday
30
Thursday
1
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
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
SSW
12
0.1
S
15
0.8
WSW
9
0.5
W
11
0.8
WSW
11
3.5
S
11
4
SSW
11
4
SSW
11
4
SSW
11
4.5
SSW
11
4
SSW
11
3.5
SSW
11
3.5
SSW
11
3
SSW
11
2.5
SSW
11
2.3
SSW
10
5
W
15
4.5
W
14
4.5
W
14
4
W
14
4
WSW
13
3
SW
9
2.3
SW
9
Wave Graph
Metric surfscale
Energy kJ
14
6
96
64
128
3051
3298
3228
3479
4485
3713
2994
2507
2170
1586
1170
9634
9047
7243
6124
5778
1437
805
Wind (km/h)
55
SE
55
ESE
55
SE
70
SE
70
SE
45
S
45
S
40
S
45
S
35
SW
40
SSW
40
SW
35
SW
30
WSW
30
WSW
30
SW
30
SW
20
SW
25
SSW
40
SSW
40
SSW
25
SSW
25
SW
Wind State
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
High Tide
7:02PM3.46m
7:24AM3.39m
7:44PM3.30m
8:07AM3.21m
8:33PM3.06m
Low Tide
12:42PM0.14m
1:01AM0.14m
1:21PM0.25m
1:42AM0.35m
2:06PM0.44m
part cloud
cloud
cloud
light rain
light rain
rain showers
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
rain showers
rain showers
part cloud
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:37
—
—
—
—
—
—
—
7:37
—
—
—
—
—
—
—
7:39
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:23
—
—
—
—
—
—
—
7:21
—
—
—
—
—
—
—
7:19
—
 mm
—
—
—
4
5
2
1
1
1
2
2
1
1
1
1
1
1
1
—
2
2
2
2
Temp °C
15
16
16
17
17
15
14
14
14
13
14
14
14
14
13
13
13
13
14
13
14
15
15
Feels °C
6
7
7
5
5
7
5
6
5
6
6
6
7
8
7
7
6
8
9
6
7
11
11
  • 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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