Crab Island surf break

Crab Island surfForecast / Clare / Ireland

information circle48hr Weather and Surf, issued 6 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
11.5° C
(Which is normal for this time of year)

How big are the waves at Crab Island today?

The current surf forecast for Crab Island at 12PM is: 0.7m 5s primary swell from a Northwest direction and 0.3m 9s secondary swell from a West direction, 0.1m 14s secondary swell from a West direction (forecast issued at 06:00am May 11). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (11 May)2.5ft (0.7m)5s
Afternoon (11 May)2.5ft (0.7m)5s
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 morning, min 9°C on Mon night). Winds increasing (light winds from the NNW on Mon morning, strong winds from the WNW by Tue night).

Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
1 AM
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
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
NW
4
0.7
NW
4
0.7
NW
5
0.7
NW
5
0.8
NW
5
0.9
NW
5
0.7
NW
5
0.9
WNW
8
0.5
NW
9
1.3
WNW
5
1.3
WNW
6
1.3
WNW
8
1.4
WNW
8
1.7
WNW
6
2
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
1.9
WNW
11
Wave Graph
Metric surfscale
Energy kJ
16
18
23
29
28
33
24
108
37
68
104
204
256
173
319
431
865
1449
1569
1684
1776
1382
1144
846
Wind (km/h)
25
NNW
30
NW
25
NNW
15
NNW
25
NW
25
NW
25
NW
25
NW
30
WNW
35
NW
35
NW
35
WNW
35
WNW
35
WNW
45
WNW
45
WNW
50
WNW
45
NW
45
NW
50
NW
45
NW
40
NNW
40
NNW
35
NNW
cross-on
cross-on
cross-on
cross
cross-on
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-on
cross-on
High Tide
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
part cloud
cloud
cloud
part cloud
cloud
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:45
5:43
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:22
9:24
9:27
Temp °C
10
10
11
12
12
12
10
9
10
9
10
10
10
10
10
10
9
9
10
10
11
10
9
9
5
4
6
8
6
6
5
3
4
2
3
3
2
2
1
1
-2
-1
0
-1
1
1
0
1
Swell 1
Height (m)
Direction
Period (s)
0.2
W
9
0.2
W
9
0.2
W
9
0.3
W
9
0.3
NW
8
0.4
NW
8
0.4
NW
8
0.3
WNW
11
0.5
NW
9
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
0.1
SW
16
Energy kJ
7
6
6
14
9
16
24
25
37
7
32
50
12
12
12
12
12
12
11
10
10
10
10
10
Swell 2
Height (m)
Direction
Period (s)
0.1
W
15
0.1
W
14
0.3
W
9
0.2
W
8
0.2
W
8
0.1
W
19
0.3
WNW
11
0.1
W
19
0.1
SW
18
Energy kJ
4
4
14
6
6
7
25
7
13
Swell 3
Height (m)
Direction
Period (s)
0.1
W
14
0.2
WNW
13
0.2
WNW
12
0.1
W
8
Energy kJ
4
17
15
1
Wind waves
Height (m)
Direction
Period (s)
0.6
NW
4
0.7
NW
4
0.7
NW
5
0.7
NW
5
0.8
NW
5
0.9
NW
5
0.7
NW
5
0.9
WNW
8
0.9
WNW
5
1.3
WNW
5
1.3
WNW
6
1.3
WNW
8
1.4
WNW
8
1.7
WNW
6
2
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
1.9
WNW
11
Energy kJ
16
18
23
29
28
33
23
108
35
68
104
204
256
173
319
431
865
1449
1569
1684
1776
1382
1144
846
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
2
Distance (km)
409
495
355
349
543
257
164
166
164
164
608
422
427
92
565
565
603
608
1037
1176
1385
1138
1064
498
Best forecast wave conditions in Clare
Rating
(10 max)
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
1
1
1
2
Header Global
Rating
(10 max)
8
6
5
4
5
5
5
9
9
6
9
9
9
9
9
8
9
9
9
7
6
5
9
8
  • 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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