Derrynane surf break

Derrynane surfForecast / Kerry / Ireland

information circle12 Day Weather and Surf, issued 11 pm Wednesday 10 Dec 2025 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
11.0° C
(Which is normal 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 (Dec 11) at 12PM. The primary swell is predicted to be 5.5m and 14s period with a secondary swell of 1.3m and 20s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Derrynane in the next 12 days are 10.5m 20s and forecast to arrive on Thursday (Dec 18) at 6AM. 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 16s period and expected on Thursday (Dec 11) at 9PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Thu 11th Dec)18ft (5.5m) 14s
Best Surf12PM (Thu 11th Dec)18ft (5.5m) 14s
Most Powerful 6AM (Thu 18th Dec)34ft (10.5m) 20s

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 Thu morning. Very mild (max 13°C on Sat morning, min 8°C on Thu morning). Mainly gales.

Days 3-6 Weather Summary Heavy rain (total 50mm), heaviest during Sat night. Very mild (max 13°C on Sun morning, min 8°C on Mon night). Winds decreasing (strong winds from the SSW on Sun morning, light winds from the WSW by Mon night).

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
!
!
0
0
0
!
0
0
0
!
!
!
!
!
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3.5
W
6
SW
5
SW
4
W
6.5
W
6
W
5.5
W
5
WSW
6
WSW
5.5
WSW
5.5
WSW
5.5
SW
4.5
WSW
4.5
WSW
5
W
4
W
3.5
W
3.5
W
3
W
5.5
WSW
5.5
WSW
Period(s) (?)131414161818161413141413131416141414131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3884139159792811927605223441478510157119031180411407902366878395124776652507742833088991511449
Wind
(km/h)
60
S
25
W
20
WSW
30
SW
30
WSW
25
WSW
35
SSW
45
SSW
55
SW
20
SW
40
S
45
SSW
25
W
10
W
10
SSW
20
WNW
15
W
20
SSW
60
S
40
WSW
40
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
ononcross-
on
oncross-
on
onononcross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
onon
High Tide
/ height (m)
9:03PM
2.80
9:17AM
2.90
10:04PM
2.66
10:19AM
2.74
11:08PM
2.59
11:24AM
2.63
12:11AM
2.60
12:28PM
2.61
1:07AM
2.67
1:25PM
2.65
1:55AM
2.76
2:15PM
2.73
2:37AM
2.87
2:59PM
2.83
Low Tide
/ height (m)
2:54AM
0.91
3:38PM
0.71
4:01AM
1.05
4:45PM
0.83
5:13AM
1.10
5:49PM
0.89
6:20AM
1.07
6:46PM
0.89
7:16AM
0.99
7:35PM
0.86
8:03AM
0.88
8:19PM
0.81
8:45AM
0.77
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
Sunrise-8:36--8:37--8:37--8:38--8:40--8:41--8:41-
Sunset--4:30--4:30--4:30--4:30--4:30--4:30--4:30
rain showers
heavy rain
clear
rain showers
thunderstorm
part cloud
rain showers
cloud
heavy rain
heavy rain
heavy rain
heavy rain
light rain
cloud
part cloud
rain showers
clear
part cloud
rain showers
part cloud
light rain
Rain (mm)
113-33-4-111414172--3--17-2
Temp. °C121010101111111312121313101010101010111210
Feels °C (?)-154354341665377665641
  • 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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