Crab Island surf break

Crab Island surfForecast / Clare / Ireland

information circle48hr Weather and Surf, issued 12 pm Wednesday 13 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
11.1° 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 9PM is: 2.3m 11s primary swell from a West-northwest direction and 0.1m 16s secondary swell from a Southwest direction (forecast issued at 12:00pm May 13). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (13 May)10ft (3.0m)11s
Afternoon (13 May)8ft (2.5m)12s
Evening (13 May)7.5ft (2.3m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Thu morning. Very mild (max 11°C on Thu afternoon, min 8°C on Thu night). Winds decreasing (strong winds from the NW on Wed afternoon, light winds from the W by Fri night).

Wed
13
Thursday
14
Friday
15
Sat
16
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
4 AM
7 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)
3
WNW
11
2.5
WNW
12
2.5
WNW
12
2.5
WNW
11
2.3
WNW
11
2.1
WNW
11
1.9
WNW
11
1.7
WNW
10
1.4
WNW
10
1.4
WNW
10
1.4
WNW
9
1.4
NW
9
1.4
NW
9
1.1
NW
8
1
NW
8
0.9
WNW
8
0.9
WNW
8
0.7
WNW
8
0.9
WNW
8
0.9
WNW
8
0.8
WNW
8
0.7
WNW
7
0.6
W
7
0.5
W
7
Wave Graph
Metric surfscale
Energy kJ
1945
1871
1933
1515
1214
999
784
567
386
351
311
316
275
167
122
106
85
60
83
102
75
57
35
22
Wind (km/h)
45
NW
45
NW
45
NW
40
NNW
40
NNW
35
NNW
35
NNW
35
NNW
30
NNW
25
NNW
25
N
30
N
30
N
25
N
25
N
15
N
15
NNW
15
WNW
25
WNW
25
WNW
15
NW
10
W
15
SSW
20
S
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
High Tide
3:24PM3.82m
3:37AM3.93m
4:09PM4.13m
4:25AM4.19m
4:53PM4.38m
5:13AM4.39m
Low Tide
9:12AM0.75m
9:37PM0.88m
9:56AM0.46m
10:21PM0.54m
10:39AM0.24m
11:04PM0.26m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:41
5:39
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:24
9:27
9:28
9:30
1
1
Temp °C
10
10
10
10
9
9
9
9
9
9
10
11
9
8
9
8
10
10
10
10
9
9
9
8
0
0
0
1
0
0
1
1
2
4
4
4
2
2
3
3
6
5
4
4
4
6
5
3
Swell 1
Height (m)
Direction
Period (s)
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
1.4
WNW
10
1.4
WNW
10
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.2
W
10
0.2
W
10
0.9
WNW
8
0.9
WNW
8
0.7
WNW
8
0.3
W
9
0.2
W
9
0.2
W
9
0.7
WNW
7
0.6
W
7
0.5
W
7
Energy kJ
11
10
10
10
10
10
10
10
386
351
8
8
8
8
7
106
85
60
15
6
6
57
35
22
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
14
0.2
W
9
0.2
W
9
0.3
W
9
0.1
W
14
0.1
W
14
0.1
W
13
0.2
W
9
0.4
WNW
8
0.3
W
8
Energy kJ
9
8
8
8
7
7
15
4
4
4
6
26
12
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
W
16
0.1
W
16
0.4
NW
8
Energy kJ
8
8
8
5
5
16
Wind waves
Height (m)
Direction
Period (s)
3
WNW
11
2.5
WNW
12
2.5
WNW
12
2.5
WNW
11
2.3
WNW
11
2.1
WNW
11
1.9
WNW
11
1.7
WNW
10
1.4
WNW
9
1.4
NW
9
1.4
NW
9
1.1
NW
8
1
NW
8
0.9
WNW
8
0.9
WNW
8
0.8
WNW
8
Energy kJ
1945
1871
1933
1515
1214
999
784
567
311
316
275
167
122
83
102
75
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
4
2
2
3
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
723
733
944
748
729
498
662
498
587
1413
1374
565
383
381
164
12
12
164
411
92
67
67
16
27
Best forecast wave conditions in Clare
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
8
7
7
9
9
9
9
9
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
  • 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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