Crab Island surf break

Crab Island surfForecast / Clare / Ireland

information circle48hr Weather and Surf, issued 12 pm Monday 15 Sep 2025 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
16.0° C
(Which is 1.3°C warmer than normal for this time of year)


How big are the waves at Crab Island today?

The current surf forecast for Crab Island at 5PM is: 4.5m 13s primary swell from a West direction (forecast issued at 12:00pm September 15). The wind direction is predicted to be onshore.

Time (IST) & DateWave HeightWave Period
Morning (15 Sep)18ft (5.5m)13s
Afternoon (15 Sep)16ft (5.0m)13s
Evening (15 Sep)13ft (4.0m)12s

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

Updates in  hr  min  s Forecast update imminent
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
!
!
0
Swell
Height Map
Wave Height (m) & direction (?)
5.5
W
5
W
4.5
W
4
W
3.5
W
3
W
3
W
2.5
W
2.3
W
2
W
1.8
W
1.6
W
1.4
W
1.1
W
2
WSW
2.5
WSW
3
WSW
3.5
WSW
4
WSW
4
W
3.5
W
3
W
3
W
2.4
W
Period(s) (?)1313131312121211111110101010991012141313121211
Wave
Graph
(?)Metric surfscale
Energy (?)948284876798523337822843225716931210898687492371223637121018033707587951783829283122021401
Wind
(km/h)
55
W
60
WNW
55
WNW
50
WNW
45
WNW
40
WNW
35
WNW
30
W
25
W
20
WSW
20
SW
15
SSE
35
SE
45
SSE
50
SW
45
SW
45
SW
45
SW
40
SW
40
SW
30
SW
20
S
20
SE
35
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononononononononcross-
on
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross
High Tide
/ height (m)
11:59AM
3.40
12:57AM
3.20
1:32PM
3.36
2:33AM
3.28
2:56PM
3.55
3:44AM
3.52
Low Tide
/ height (m)
6:29PM
1.37
7:18AM
1.60
8:21PM
1.26
8:52AM
1.41
9:31PM
0.96
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Sunrise--------7:11-------7:13-------
Sunset---7:53-------7:52-------7:49----
light rain
rain showers
rain showers
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
mod rain
clear
cloud
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
Rain (mm)
111---------457-------23
Temp. °C141414141414141314141414121417161515151414131216
Feels °C (?)33456677910101156108778789910
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Clare

  1. weather stationWind Update Wind reports 50 km away suggest it is still onshore at Crab Island (strong winds from the W at Shannon Airport). A 3.1m groundswell from the W is too big for here

    Crab Island
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50 km away, 1 h 8 min ago

46 km/h
W
0.0
16.0
Air / Water (°C)
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