Crab Island surf break

Crab Island surfForecast / Clare / Ireland

information circle48hr Weather and Surf, issued 6 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 9PM is: 4.0m 12s primary swell from a West direction (forecast issued at 06:00pm September 15). The wind direction is predicted to be onshore.

Time (IST) & DateWave HeightWave Period
Morning (15 Sep)--
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
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
!
4
4
0
0
Swell
Height Map
Wave Height (m) & direction (?)
4.5
W
4
W
3.5
W
3.5
W
3
W
2.5
W
2.2
W
2
W
1.7
W
1.5
W
1.3
W
1.1
W
2.5
WSW
3
WSW
3
WSW
3.5
WSW
4
WSW
3.5
W
3.5
W
3
W
2.5
W
2.3
W
2.3
WSW
2.1
WSW
Period(s) (?)13131212121111111010101091011121413121212111010
Wave
Graph
(?)Metric surfscale
Energy (?)709652333995302422571565110789861344131822310511470224135855631480034132586183912701124980
Wind
(km/h)
55
W
50
WNW
45
WNW
40
WNW
35
WNW
25
W
25
W
20
WSW
20
SW
20
SSE
45
SE
40
S
50
SW
40
SW
45
SW
45
SW
40
SW
35
SW
30
SW
20
S
15
SSE
10
SSE
35
SSW
30
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononononcross-
on
cross-
on
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
on
cross
High Tide
/ height (m)
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
9:50AM
1.11
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Sunrise------7:11-------7:13-------7:15-
Sunset-7:53-------7:52-------7:49------
rain showers
clear
clear
part cloud
clear
cloud
rain showers
cloud
cloud
cloud
mod rain
mod rain
rain showers
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
Rain (mm)
1-----1---673-------1221
Temp. °C141414141414141414131215171515151514141312131717
Feels °C (?)45567991010104898678791010121313
  • 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 46 km away suggest it is still onshore at Crab Island (near gales from the W at Mace Head). A 2.8m groundswell from the W

    Crab Island
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46 km away, 1 h 3 min ago

54 km/h
W
0.0
16.0
Air / Water (°C)
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