Crab Island surf break

Crab Island surfForecast / Clare / Ireland

information circle12 Day Weather and Surf, issued 5 pm Tuesday 11 Nov 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
12.8° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Crab Island this week:

The surf forecast for Crab Island over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Nov 12) at 9AM. The primary swell is predicted to be 1.8m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Crab Island in the next 12 days are 2.2m 12s and forecast to arrive on Wednesday (Nov 12) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 5s period and expected on Friday (Nov 14) at 6PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Wed 12th Nov)6ft (1.8m) 11s
Best Surf 9AM (Wed 12th Nov)6ft (1.8m) 11s
Most Powerful 3AM (Wed 12th Nov)7ft (2.2m) 12s

Table - best surf conditions forecast for Crab Island over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 19mm), heaviest on Wed night. Very mild (max 12°C on Tue afternoon, min 6°C on Thu afternoon). Winds increasing (light winds from the W on Wed night, near gales from the ENE by Fri morning).

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Fri night. Very mild (max 10°C on Sun night, min 6°C on Fri night). Winds decreasing (near gales from the ENE on Fri afternoon, light winds from the NNW by Sun night).

Tue
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
3
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
W
2.2
WSW
1.8
WSW
1.4
WSW
0.8
WSW
0.5
NW
0.4
SW
0.3
SW
0.3
SW
0.2
WSW
0.1
W
0.1
W
0.3
W
0.4
W
0.5
W
0.5
W
0.5
W
0.4
W
0.4
W
0.4
W
0.4
W
Period(s) (?)131211111012109991818151414131312121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)971142678542311174241413866426095888346454641
Wind
(km/h)
30
SSW
25
SSW
10
ESE
30
NE
15
N
15
SSE
35
ENE
35
ENE
50
ENE
60
ENE
50
ENE
40
E
35
ENE
35
NE
30
NE
25
NE
15
N
15
NE
10
NE
10
SSW
25
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffcross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
on
cross-
on
High Tide
/ height (m)
10:10PM
3.41
10:27AM
3.55
11:27PM
3.29
11:43AM
3.45
12:40AM
3.33
12:54PM
3.48
1:42AM
3.47
1:53PM
3.57
2:30AM
3.65
2:41PM
3.68
3:09AM
3.82
3:22PM
3.80
3:43AM
3.96
Low Tide
/ height (m)
3:33PM
0.94
3:59AM
1.46
5:01PM
1.12
5:35AM
1.55
6:28PM
1.11
6:58AM
1.43
7:31PM
1.00
7:56AM
1.23
8:19PM
0.87
8:41AM
1.02
8:57PM
0.76
9:18AM
0.84
9:32PM
0.68
9:52AM
0.68
Tue
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Sunrise--7:54--7:56--7:58--8:00--8:02--8:03--8:04
Sunset4:49--4:46--4:45--4:44--4:43--4:40--4:39--
rain showers
clear
part cloud
cloud
heavy rain
cloud
clear
part cloud
cloud
light rain
mod rain
cloud
cloud
cloud
part cloud
part cloud
cloud
clear
part cloud
light rain
cloud
Rain (mm)
4---15----310--------1-
Temp. °C121211111010778879887810981010
Feels °C (?)668547-1-1-4-5-31110265544
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Crab Island Surf forecast

The above surf forecast table for Crab Island provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Crab Island can be found by selecting the local surf guide option on the grey menu. Our Crab Island surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Crab Island) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Crab Island may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Clare? If you are looking for accommodation near Crab Island, camping, hotels and holiday cottages in Clare, consider staying in Galway which is 35 km (22 miles) away. Other places in and around Clare where you can find information about places to rent, and car hire include Inis which is 35 km (22 miles) away, Shannon, Foynes and Limerick.

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