Crab Island surf break

Crab Island surfForecast / Clare / Ireland

information circle48hr Weather and Surf, issued 12 am Monday 11 May 2026 IST
Forecast update in hr  min  s Forecast update imminent
Crab Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Crab Island sea temperature is
11.8° C
(Which is slightly warmer than usual)

How big are the waves at Crab Island today?

The current surf forecast for Crab Island at 8AM is: 0.8m 4s primary swell from a Northwest direction and 0.2m 9s secondary swell from a West direction (forecast issued at 12:00am May 11). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (11 May)3ft (0.9m)5s
Afternoon (11 May)2.5ft (0.7m)6s
Evening (11 May)2.5ft (0.7m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 12°C on Mon afternoon, min 9°C on Mon night). Winds increasing (light winds from the NNE on Mon morning, strong winds from the WNW by Tue night).

Monday
11
Tuesday
12
Wednesday
13
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
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
NW
4
0.6
NW
5
0.7
NW
4
0.9
NW
5
0.7
NW
5
0.7
NW
6
0.7
WNW
5
0.5
NW
8
0.8
WNW
8
0.5
WNW
11
1.2
WNW
5
1.3
WNW
6
1.3
WNW
8
1.4
WNW
8
1.6
WNW
5
1.9
WNW
6
2.2
WNW
7
2.5
WNW
8
3
WNW
9
3
WNW
10
2.5
WNW
11
2.5
WNW
12
2.4
WNW
11
2.2
WNW
11
Wave Graph
Metric surfscale
Energy kJ
13
17
18
38
29
32
25
34
86
66
63
93
173
256
144
272
419
800
1302
1538
1739
1776
1491
1144
Wind (km/h)
25
NNW
25
NNW
30
NW
25
NNW
20
NNE
20
NNW
25
NNW
25
NW
30
NW
25
WNW
35
NW
35
NW
30
WNW
35
WNW
35
WNW
40
WNW
45
WNW
50
WNW
50
NW
45
NW
45
NW
45
NW
45
NNW
35
NNW
cross-on
cross-on
cross-on
cross-on
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
00:49AM3.28m
1:38PM3.24m
1:51AM3.43m
2:34PM3.51m
2:46AM3.66m
3:24PM3.82m
Low Tide
7:24AM1.31m
7:51PM1.50m
8:24AM1.04m
8:49PM1.21m
9:12AM0.75m
9:37PM0.88m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:45
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:22
9:24
Temp °C
10
10
10
10
11
12
11
10
10
10
9
10
10
10
10
10
10
9
9
10
10
11
10
9
5
5
4
5
7
7
5
5
4
4
2
3
3
3
2
1
1
-2
-2
0
0
1
0
0
Swell 1
Height (m)
Direction
Period (s)
0.2
W
9
0.2
W
9
0.2
W
9
0.2
W
9
0.7
NW
5
0.7
NW
6
0.4
NW
8
0.5
NW
8
0.4
WNW
11
0.5
WNW
11
0.1
W
19
0.3
WNW
13
0.4
WNW
12
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
17
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
Energy kJ
7
7
6
6
29
32
16
34
39
66
7
32
50
12
12
12
12
12
12
11
10
10
10
10
Swell 2
Height (m)
Direction
Period (s)
0.1
W
15
0.3
W
9
0.3
W
9
0.2
W
9
0.2
WNW
12
0.1
W
19
0.2
W
8
0.1
W
19
0.1
SW
18
Energy kJ
4
14
14
6
15
7
5
7
13
Swell 3
Height (m)
Direction
Period (s)
0.1
W
14
0.1
W
14
0.2
WNW
13
0.2
W
8
0.1
SW
19
Energy kJ
4
4
17
6
15
Wind waves
Height (m)
Direction
Period (s)
0.6
NW
4
0.6
NW
5
0.7
NW
4
0.9
NW
5
0.7
WNW
5
0.7
WNW
5
0.8
WNW
8
0.9
WNW
5
1.2
WNW
5
1.3
WNW
6
1.3
WNW
8
1.4
WNW
8
1.6
WNW
5
1.9
WNW
6
2.2
WNW
7
2.5
WNW
8
3
WNW
9
3
WNW
10
2.5
WNW
11
2.5
WNW
12
2.4
WNW
11
2.2
WNW
11
Energy kJ
13
17
18
38
25
22
86
35
63
93
173
256
144
272
419
800
1302
1538
1739
1776
1491
1144
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
3
1
2
1
1
Distance (km)
416
415
495
355
359
539
543
164
166
164
164
603
739
565
565
565
565
598
723
732
1219
1326
1138
567
Best forecast wave conditions in Clare
Rating
(10 max)
Best forecast wave conditions in Ireland
Rating
(10 max)
2
1
1
1
Header Global
Rating
(10 max)
5
8
6
5
4
5
5
5
5
5
5
9
9
9
9
9
7
5
7
7
6
6
7
9
  • 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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