Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 am 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
16.2°C
1.4° 

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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 7ft (2.1m), 11s period with W swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 6ft (1.8m), 11s period with W swell.
  • Evening surf: Evening surf (28 Sep, local time) - 4.5ft (1.4m), 6s period with S swell.

The current surf forecast for Derrynane at 8AM is: 2.1m 11s primary swell from a West direction and 0.4m 6s secondary swell from a South direction (forecast issued at 12:00am September 28). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (28 Sep)7ft (2.1m)11s
Afternoon (28 Sep)6ft (1.8m)11s
Evening (28 Sep)4.5ft (1.4m)6s

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


Short Range Forecast

Heavy rain (total 30mm), heaviest during Tue afternoon. Very mild (max 18°C on Tue afternoon, min 13°C on Tue night). Winds increasing (light winds from the SW on Sun night, severe gales from the SSE by Tue afternoon).

Monday
28
Tuesday
29
Wednesday
30
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
2
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)
0.6
S
7
2.3
W
11
2.2
W
11
2
W
11
2
W
11
0.9
S
4
1.2
S
5
1.6
S
6
0.2
SSW
12
0.2
SSW
12
0.5
WSW
9
0.8
WSW
9
0.9
WSW
11
0.9
WSW
10
0.8
WSW
10
3.5
S
10
3.5
SSW
11
3.5
SSW
10
3.5
SSW
10
3
SSW
10
3.5
SW
11
4
SW
11
3
SSW
11
2.5
SSW
11
Wave Graph
Metric surfscale
Energy kJ
34
1324
1169
932
917
29
76
164
14
14
42
98
202
155
118
2702
2523
2360
2250
2058
3273
4589
2070
1546
Wind (km/h)
20
SW
15
SW
15
S
15
SSE
30
SSE
35
SSE
40
SSE
40
SE
50
SE
50
SE
55
SE
60
SE
60
SE
65
SE
75
SSE
40
S
40
S
30
SSW
25
SSW
25
SW
30
WSW
35
WSW
30
WSW
30
SW
Wind State
on
on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
on
on
on
on
on
High Tide
6:10AM3.50m
6:23PM3.54m
6:45AM3.48m
7:02PM3.46m
7:24AM3.39m
7:44PM3.30m
Low Tide
11:50PM-0.03m
12:05PM0.11m
00:24AM0.01m
12:42PM0.14m
1:01AM0.14m
1:21PM0.25m
clear
clear
part cloud
clear
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
light rain
heavy rain
rain showers
cloud
light rain
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:35
—
—
—
—
—
—
—
7:37
—
—
—
—
—
—
—
7:37
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
7:25
—
—
—
—
—
—
—
7:23
—
—
—
—
—
—
—
7:21
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
2
13
1
—
3
6
2
1
1
1
1
Temp °C
14
14
14
14
15
15
15
15
15
16
16
16
17
17
18
15
15
13
14
14
14
14
14
14
Feels °C
10
10
10
10
9
8
8
8
6
8
7
6
7
6
6
8
8
7
9
9
7
7
8
8
  • 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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