Derrynane surf break

Derrynane surfForecast / Kerry / Ireland

information circle12 Day Weather and Surf, issued 11 am Wednesday 21 Jan 2026 IST
Forecast update in hr  min  s Forecast update imminent
Derrynane surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Derrynane sea temperature is
9.3° C
(Which is 1.1°C colder than average for this time of year)


Best Forecast Surf Conditions for Derrynane this week:

The surf forecast for Derrynane over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 22) at 12AM. The primary swell is predicted to be 4.0m and 18s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Derrynane in the next 12 days are 7.5m 18s and forecast to arrive on Tuesday (Jan 27) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 6s period and expected on Wednesday (Jan 21) at 9PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Thu 22nd Jan)13ft (4.0m) 18s
Best Surf12AM (Thu 22nd Jan)13ft (4.0m) 18s
Most Powerful 6AM (Tue 27th Jan)25ft (7.5m) 18s

Table - best surf conditions forecast for Derrynane over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 35mm), heaviest during Wed morning. Very mild (max 10°C on Wed morning, min 5°C on Fri night). Winds increasing (light winds from the ENE on Wed afternoon, strong winds from the ENE by Fri morning).

Days 3-6 Weather Summary Heavy rain (total 36mm), heaviest during Sun night. Very mild (max 11°C on Mon morning, min 6°C on Sat morning). Mainly gales.

Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
!
!
!
2
4
!
!
!
0
0
!
!
0
0
0
!
!
!
!
Swell
Height Map
Wave Height (m) & direction (?)
1.9
W
1
SW
4
WSW
6
W
4
W
2.4
W
2.2
SW
3.5
WSW
4
WSW
4.5
WSW
4.5
W
4.5
W
4
W
4.5
W
3.5
WSW
4
SW
5
WSW
7
WSW
7
WSW
6.5
WSW
6
WSW
Period(s) (?)12818141413161615171615131312131418181817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)110012996901383959921922243460306586109341044076825584615136584785989628135311742577721686
Wind
(km/h)
40
E
10
ENE
25
NW
35
NW
10
WNW
30
ENE
20
NE
45
ENE
35
NE
20
NNW
40
NW
25
WSW
20
NNW
30
WNW
40
S
55
S
25
SW
30
WSW
30
SW
55
SW
35
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offcrosscrosscross-
on
cross-
off
offcross-
off
offcross-
off
crosscross-
on
cross-
off
crosscross-
on
cross-
on
ononononon
High Tide
/ height (m)
6:27PM
3.17
6:35AM
3.36
7:03PM
3.14
7:12AM
3.29
7:42PM
3.07
7:52AM
3.17
8:25PM
2.98
8:38AM
3.01
9:15PM
2.86
9:34AM
2.84
10:16PM
2.75
10:46AM
2.69
11:31PM
2.70
Low Tide
/ height (m)
12:07PM
0.21
12:15AM
0.42
12:41PM
0.21
12:51AM
0.46
1:17PM
0.27
1:30AM
0.54
1:58PM
0.38
2:15AM
0.67
2:44PM
0.55
3:09AM
0.82
3:42PM
0.74
4:19AM
0.94
4:58PM
0.90
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Sunrise8:34--8:33--8:32--8:30--8:30--8:29--8:26--
Sunset-5:07--5:09--5:12--5:14--5:15--5:16--5:19-
mod rain
light rain
rain showers
rain showers
part cloud
light rain
rain showers
light rain
heavy rain
rain showers
light rain
rain showers
rain showers
part cloud
mod rain
mod rain
light rain
thunderstorm
rain showers
thunderstorm
mod rain
Rain (mm)
9121-352121164-10635248
Temp. °C101098877767889991188889
Feels °C (?)673340-3-3-41-1-112412-1-1-30
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 12 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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