Derrynane Surf Break

Lat Long: 51.76° N 10.17° W

Derrynane Surf Forecast and Surf Report

Issued: 6 am 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Derrynane sea temperature is
14.1°C
0.7° 

Derrynane surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Derrynane surf forecast from 21 Oct 2026:

  • Best quality surf: Sunday 25 Oct, 12PM (local time) - 13ft (4.0m), 12s period, WSW swell with cross-shore winds.
  • Most powerful swell: Tuesday 27 Oct, 9AM (local time) - 18ft (5.5m), 14s period, WSW swell with 11,331 kJ wave energy.
  • Next surfable swell (1★+): Sunday 25 Oct, 12PM (local time) - 13ft (4.0m), 12s period with WSW swell.

Best Forecast Surf Conditions for Derrynane this week:

The surf forecast for Derrynane over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 25) at 12PM. The primary swell is predicted to be 4.0m and 12s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Derrynane in the next 16 days are 5.5m 14s and forecast to arrive on Tuesday (Oct 27) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 11s period and expected on Friday (Oct 23) at 10AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sun 25th Oct)13ft (4.0m) 12s
Best Surf12PM (Sun 25th Oct)13ft (4.0m) 12s
Most Powerful 9AM (Tue 27th Oct)18ft (5.5m) 14s

Table - best surf conditions forecast for Derrynane over the next 16 days.


Short Range Forecast

Heavy rain (total 37mm), heaviest during Thu afternoon. Very mild (max 13°C on Thu morning, min 9°C on Thu night). Winds increasing (light winds from the S on Thu morning, gales from the NNW by Thu night).

Days 4-6 Weather Summary

Heavy rain (total 36mm), heaviest during Sat morning. Very mild (max 16°C on Sun night, min 11°C on Sat night). Winds decreasing (near gales from the WSW on Sat afternoon, light winds from the W by Mon night).

Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
1
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)
3.5
W
12
3
W
12
3
W
12
2.1
WSW
11
2.3
W
11
1.2
SSW
9
0.6
S
10
0.1
S
15
0.1
S
15
2.4
SW
8
4.5
WSW
10
4.5
WSW
12
4.5
W
12
3.5
WSW
12
2.5
W
12
4
WSW
11
3.5
WSW
11
4
WSW
11
5.5
WSW
14
5
WSW
14
4.5
W
13
Wave Graph
Metric surfscale
Energy kJ
0
2165
2759
1085
1304
248
68
4
4
735
4179
5789
6353
3280
1923
3405
2717
4246
11331
10914
7787
Wind (km/h)
45
WNW
30
WSW
35
WNW
15
S
40
E
65
NNW
55
NW
45
WNW
30
W
40
S
50
WSW
50
WNW
40
WNW
20
W
25
SSW
35
SW
40
S
20
W
35
W
35
W
35
SW
Wind State
cross
cross-on
cross-on
cross-on
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
High Tide
1:56PM2.62m
2:35AM2.65m
2:43PM2.83m
3:15AM2.89m
3:24PM3.05m
3:52AM3.13m
4:02PM3.26m
4:28AM3.34m
4:41PM3.43m
5:05AM3.49m
5:21PM3.53m
5:43AM3.56m
6:02PM3.54m
Low Tide
8:22PM0.86m
8:38AM0.95m
9:00PM0.61m
9:16AM0.71m
9:35PM0.38m
9:52AM0.47m
10:10PM0.19m
10:28AM0.27m
10:46PM0.06m
11:04AM0.12m
11:23PM0.01m
11:43AM0.05m
00:02AM0.05m
light rain
rain showers
rain showers
cloud
heavy rain
rain showers
light rain
rain showers
rain showers
heavy rain
light rain
rain showers
part cloud
cloud
rain showers
cloud
light rain
mod rain
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:14
—
—
8:15
—
—
8:17
—
—
8:18
—
—
7:21
—
—
8:22
—
—
8:23
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:35
—
—
6:32
—
—
6:30
—
—
6:29
—
—
5:27
—
—
6:24
—
—
6:22
—
 mm
2
2
3
—
14
10
2
2
2
16
4
3
—
—
2
—
2
9
—
—
—
Temp °C
11
12
12
13
11
11
11
11
12
15
15
15
13
12
16
16
15
13
12
13
14
Feels °C
1
4
4
7
3
-3
0
1
4
8
7
7
6
7
11
10
8
9
4
6
7
  • 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
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Information about the Derrynane Surf forecast

The above surf forecast table for Derrynane provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Derrynane can be found by selecting the local surf guide option on the grey menu. Our Derrynane surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Derrynane) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Derrynane may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Kerry? If you are looking for accommodation near Derrynane, camping, hotels and holiday cottages in Kerry, consider staying in Valentia which is 18 km (11 miles) away. Other places in and around Kerry where you can find information about places to rent, and car hire include Bantry which is 50 km (31 miles) away, Fenit and Tra Li.

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