Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane 48 hour detailed Surf Forecast

Issued: 12 am 01 Oct 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
15.8°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 (01 Oct):

  • Morning surf: Morning surf (01 Oct, local time) - 15ft (4.5m), 14s period with W swell.
  • Afternoon surf: Afternoon surf (01 Oct, local time) - 13ft (4.0m), 14s period with W swell.
  • Evening surf: Evening surf (01 Oct, local time) - 11ft (3.5m), 13s period with WSW swell.

The current surf forecast for Derrynane at 3AM is: 1.8m 10s primary swell from a South-southwest direction (forecast issued at 12:00am October 01). An open ocean swell of 5.0m 15s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (IST) & DateWave HeightWave Period
Morning (01 Oct)15ft (4.5m)14s
Afternoon (01 Oct)13ft (4.0m)14s
Evening (01 Oct)11ft (3.5m)13s

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


Short Range Forecast

Heavy rain (total 30mm), heaviest during Fri afternoon. Very mild (max 16°C on Thu night, min 12°C on Fri night). Winds decreasing (strong winds from the SSW on Fri morning, calm by Sat morning).

Thursday
1
Friday
2
Saturday
3
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
0
0
0
0
0
0
0
0
0
0
0
2
1
1
2
2
2
1
1
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
SSW
11
1.7
SSW
10
5
W
15
4.5
W
14
4
W
14
3.5
W
14
3.5
W
13
3.5
WSW
13
2
SSW
9
2
SW
9
2.3
SW
9
1.9
SSW
8
3
SW
8
3.5
SW
9
2.2
SW
9
2.2
WSW
10
1.9
SW
9
2
WSW
9
1.6
W
9
1.7
WSW
9
1.6
WSW
9
1.5
WSW
9
1.2
WSW
9
1
WSW
8
Wave Graph
Metric surfscale
Energy kJ
1122
584
9646
7418
5933
4998
4287
3919
608
607
834
421
1316
2347
783
862
599
644
440
466
442
344
243
128
Wind (km/h)
25
WSW
25
WSW
25
WSW
25
SW
30
SSW
35
SSW
30
SSW
30
SW
20
SSW
30
SSW
35
SSW
35
SSW
50
SSW
25
WSW
15
NW
15
NW
15
NW
10
NW
10
NW
0
NNW
5
SW
10
SSW
10
S
10
S
Wind State
cross-on
on
on
on
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
cross
cross
cross
cross
cross-off
glassy
on
on
cross-on
cross-on
High Tide
8:07AM3.21m
8:33PM3.06m
8:58AM3.00m
9:34PM2.80m
10:03AM2.78m
Low Tide
1:42AM0.35m
2:06PM0.44m
2:28AM0.61m
3:00PM0.67m
3:27AM0.90m
4:13PM0.89m
rain showers
rain showers
part cloud
light rain
cloud
light rain
light rain
rain showers
cloud
light rain
light rain
light rain
light rain
mod rain
light rain
clear
cloud
cloud
clear
part cloud
clear
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:39
—
—
—
—
—
—
—
7:41
—
—
—
—
—
—
—
7:43
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
7:19
—
—
—
—
—
—
—
7:16
—
—
—
—
—
—
—
7:14
—
 mm
1
1
—
1
—
1
4
2
—
1
2
2
3
10
1
—
—
—
—
—
—
—
—
—
Temp °C
13
13
13
15
15
14
14
15
15
15
16
15
16
14
14
13
12
12
12
12
12
12
12
12
Feels °C
7
7
8
10
9
8
9
10
12
11
11
9
8
10
11
10
9
9
10
11
10
10
10
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.


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