Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 am 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
16.4°C
1.6° 

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 Sep):

  • Morning surf: Morning surf (27 Sep, local time) - 8ft (2.5m), 11s period with W swell.
  • Afternoon surf: Afternoon surf (27 Sep, local time) - 8ft (2.5m), 11s period with W swell.
  • Evening surf: Evening surf (27 Sep, local time) - 2ft (0.6m), 7s period with S swell.

The current surf forecast for Derrynane at 6AM is: 2.3m 11s primary swell from a West direction and 1.3m 7s secondary swell from a South-southwest direction, 0.2m 13s secondary swell from a South-southwest direction (forecast issued at 12:00am September 27). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (27 Sep)8ft (2.5m)11s
Afternoon (27 Sep)8ft (2.5m)11s
Evening (27 Sep)2ft (0.6m)7s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Tue afternoon. Very mild (max 17°C on Tue morning, min 13°C on Sat night). Winds increasing (light winds from the SW on Sun night, severe gales from the SE by Tue afternoon).

Sunday
27
Monday
28
Tuesday
29
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
2
0
0
0
0
0
2
1
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)
2.2
W
10
2.5
WSW
10
2.3
W
11
2.5
W
11
2.5
W
11
2.5
W
11
0.2
SSW
13
0.6
S
7
0.6
S
7
2.3
W
11
2.1
W
11
2
W
11
2
W
11
0.9
S
4
1.2
S
5
1.5
S
6
1.6
S
6
1.5
SSE
6
1.1
WSW
9
1.2
WSW
9
1.1
WSW
10
1
WSW
10
0.7
WSW
10
3.5
SSW
10
Wave Graph
Metric surfscale
Energy kJ
970
1202
1165
1527
1432
1633
17
34
33
1324
1065
932
917
28
76
141
188
140
225
237
251
190
104
2413
Wind (km/h)
35
S
35
SSE
35
NW
25
WNW
30
WNW
25
W
20
W
20
WSW
15
SW
15
SW
15
SW
15
S
25
SSE
30
SSE
35
SSE
35
SE
40
SE
45
SE
50
SE
55
SE
65
SE
65
SE
80
SE
35
SW
Wind State
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
on
High Tide
5:36AM3.43m
5:47PM3.54m
6:10AM3.50m
6:23PM3.54m
6:45AM3.48m
7:02PM3.46m
Low Tide
11:18PM0.03m
11:31AM0.17m
11:50PM-0.03m
12:05PM0.11m
00:24AM0.01m
12:42PM0.14m
light rain
light rain
rain showers
part cloud
rain showers
clear
clear
clear
clear
rain showers
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
heavy rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:33
—
—
—
—
—
—
—
7:35
—
—
—
—
—
—
—
7:37
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
7:28
—
—
—
—
—
—
—
7:25
—
—
—
—
—
—
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7:23
—
 mm
2
2
4
—
1
—
—
—
—
1
—
—
—
—
—
—
—
—
—
—
—
—
14
6
Temp °C
15
14
13
13
14
14
14
14
14
14
14
14
15
15
15
15
15
16
15
16
17
17
17
15
Feels °C
9
8
7
8
7
8
9
10
10
11
11
10
10
9
9
9
9
9
6
6
6
6
3
9
  • 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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