Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 6 pm 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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 11ft (3.5m), 11s period with SSW swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 10ft (3.0m), 11s period with SSW swell.
  • Evening surf: Evening surf (30 Sep, local time) - 10ft (3.0m), 11s period with SSW swell.

The current surf forecast for Derrynane at 12AM is: 4.0m 11s primary swell from a South-southwest direction and 1.1m 10s secondary swell from a West-southwest direction (forecast issued at 06:00pm September 29). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (30 Sep)11ft (3.5m)11s
Afternoon (30 Sep)10ft (3.0m)11s
Evening (30 Sep)10ft (3.0m)11s

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


Short Range Forecast

Heavy rain (total 35mm), heaviest during Tue afternoon. Very mild (max 18°C on Tue afternoon, min 13°C on Wed afternoon). Winds decreasing (severe gales from the SE on Tue afternoon, moderate winds from the SSW by Thu night).

Tue
29
Wednesday
30
Thursday
1
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)
0.8
WSW
11
4
S
11
4
SSW
11
4
SSW
11
4
SSW
11
4
SSW
11
3.5
SSW
11
3
SSW
11
3
SSW
11
3
SSW
11
3
SSW
11
2.4
SSW
11
1.8
SSW
10
1.5
SSW
9
4.5
W
14
4
W
14
2.5
SSW
8
3
SW
9
2.2
SSW
9
Wave Graph
Metric surfscale
Energy kJ
130
3696
3755
3525
3549
3963
2819
2379
2162
1875
2016
1287
731
367
7418
5861
759
1351
715
Wind (km/h)
75
SE
45
S
45
S
40
S
45
S
35
SW
35
SSW
30
SW
35
SW
30
WSW
30
WSW
25
WSW
30
SW
30
SW
25
SSW
35
SSW
40
SSW
35
SSW
30
SW
Wind State
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
High Tide
7:02PM3.46m
7:24AM3.39m
7:44PM3.30m
8:07AM3.21m
8:33PM3.06m
Low Tide
1:01AM0.14m
1:21PM0.25m
1:42AM0.35m
2:06PM0.44m
light rain
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
rain showers
rain showers
rain showers
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
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
1
1
1
1
2
1
2
1
1
1
1
1
1
1
1
4
3
2
Temp °C
18
15
15
14
14
14
14
14
14
13
13
13
13
13
14
14
14
14
15
Feels °C
5
7
7
6
6
7
8
8
7
6
7
7
7
7
8
7
7
9
10
  • 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.


Nearest locationNearest