Keel surf break

Keel surfForecast / Mayo and Achill Island / Ireland

information circle12 Day Weather and Surf, issued 11 pm Tuesday 09 Dec 2025 IST
Forecast update in hr  min  s Forecast update imminent
Keel surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keel sea temperature is
10.7° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Keel this week:

The surf forecast for Keel over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 10) at 9PM. The primary swell is predicted to be 5.5m and 14s period with a secondary swell of 4.0m and 14s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Keel in the next 12 days are 7.0m 18s and forecast to arrive on Friday (Dec 12) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 9s period and expected on Tuesday (Dec 16) at 12AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 10th Dec)18ft (5.5m) 14s
Best Surf 9PM (Wed 10th Dec)18ft (5.5m) 14s
Most Powerful 9AM (Fri 12th Dec)23ft (7.0m) 18s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 18mm), heaviest on Thu morning. Very mild (max 12°C on Wed night, min 9°C on Thu morning). Mainly gales.

Days 3-6 Weather Summary Heavy rain (total 56mm), heaviest during Sun afternoon. Very mild (max 12°C on Sun morning, min 9°C on Mon afternoon). Winds decreasing (gales from the S on Sun afternoon, light winds from the SSW by Mon afternoon).

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
!
!
!
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
5.5
WSW
5
WSW
5.5
WSW
4
W
6
WSW
5
WSW
4
W
7
W
6.5
W
5.5
W
4.5
W
3.5
WNW
4.5
WSW
4.5
W
4.5
W
5
W
4.5
W
6
SW
4.5
WSW
4
W
4
W
Period(s) (?)121112131414161817161514121313131410151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7952560089345043141239948882429400236571539588524631575261397735889078486787814065126660
Wind
(km/h)
50
SW
50
WSW
55
SW
65
S
35
W
30
SW
35
SSW
35
SSW
30
SSW
40
SW
50
SSW
60
SSW
50
SSW
50
S
70
S
35
SW
45
S
40
SSW
35
S
35
W
35
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
oncross-
on
cross-
on
ononononononcross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
9:08PM
3.09
9:12AM
3.46
10:08PM
2.90
10:09AM
3.23
11:11PM
2.78
11:11AM
3.02
12:17AM
2.75
12:17PM
2.86
1:20AM
2.81
1:24PM
2.79
2:14AM
2.91
2:24PM
2.80
3:00AM
3.03
3:15PM
2.87
Low Tide
/ height (m)
2:49AM
0.96
3:43PM
0.54
3:48AM
1.17
4:46PM
0.73
4:57AM
1.33
5:51PM
0.87
6:14AM
1.38
6:54PM
0.95
7:26AM
1.32
7:49PM
0.97
8:25AM
1.19
8:37PM
0.95
9:13AM
1.04
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
Sunrise-8:47--8:48--8:48--8:49--8:51--8:52--8:52-
Sunset--4:17--4:17--4:17--4:16--4:16--4:16--4:17
rain showers
cloud
part cloud
rain showers
mod rain
part cloud
rain showers
rain showers
thunderstorm
rain showers
part cloud
light rain
mod rain
light rain
heavy rain
rain showers
light rain
heavy rain
rain showers
rain showers
part cloud
Rain (mm)
2--18-3223-59517131352-
Temp. °C1111111291091010101010111212111010101010
Feels °C (?)000-2121231-1-21-1-2312322
  • 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 Keel Surf forecast

The above surf forecast table for Keel provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Keel can be found by selecting the local surf guide option on the grey menu. Our Keel 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 (Keel) 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 Keel 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 Mayo and Achill Island? If you are looking for accommodation near Keel, camping, hotels and holiday cottages in Mayo and Achill Island, consider staying in Belmullet which is 29 km (18 miles) away. Other places in and around Mayo and Achill Island where you can find information about places to rent, and car hire include Westport which is 41 km (25 miles) away, Ballina and Claremorris.

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