Cornish Reef Surf Break

Lat Long: 52.91° N 9.38° W

Cornish Reef Surf Forecast and Surf Report

Issued: 12 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cornish Reef sea temperature is
16.2°C
1.5° 

Cornish Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Cornish Reef surf forecast from 18 Sep 2026:

  • Best quality surf: Tuesday 22 Sep, 10PM (local time) - 5ft (1.6m), 15s period, W swell with glassy winds.
  • Most powerful swell: Friday 18 Sep, 4AM (local time) - 10ft (3.0m), 13s period, W swell with 2,972 kJ wave energy.
  • Next surfable swell (1★+): Sunday 20 Sep, 1PM (local time) - 6ft (1.9m), 12s period with W swell.

Best Forecast Surf Conditions for Cornish Reef this week:

The surf forecast for Cornish Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 1PM. The primary swell is predicted to be 1.9m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cornish Reef in the next 16 days are 3.0m 13s and forecast to arrive on Friday (Sep 18) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Thursday (Sep 24) at 4PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Sun 20th Sep)6ft (1.9m) 12s
Best Surf10PM (Tue 22nd Sep)5ft (1.6m) 15s
Most Powerful 4AM (Fri 18th Sep)10ft (3.0m) 13s

Table - best surf conditions forecast for Cornish Reef over the next 16 days.


Short Range Forecast

Moderate rain (total 13mm), heaviest on Fri morning. Very mild (max 17°C on Sun afternoon, min 12°C on Sun morning). Winds decreasing (strong winds from the SW on Fri morning, light winds from the WSW by Sun morning).

Days 4-6 Weather Summary

Some drizzle, heaviest during Wed morning. Very mild (max 19°C on Mon morning, min 14°C on Wed morning). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
3
3
1
1
0
2
3
2
4
3
3
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
WNW
13
3
W
12
3
W
11
2.5
W
11
2.5
W
11
2.5
W
12
2
W
12
1.8
W
12
1.7
W
12
1.4
W
12
1.4
W
10
1.6
W
10
1.7
W
11
1.6
W
11
2.2
W
14
2
W
13
1.7
W
12
1.3
W
11
1
W
11
0.9
WNW
10
0.9
WSW
9
Wave Graph
Metric surfscale
Energy kJ
1104
2744
2106
1637
1771
1673
1079
879
833
529
408
530
708
584
1968
1349
827
418
229
167
138
Wind (km/h)
40
SSW
40
WSW
35
WSW
30
W
30
W
20
W
5
WSW
15
SSE
20
SSW
20
SSW
15
WSW
15
S
10
S
10
W
5
ESE
10
W
15
NNE
20
ESE
25
SSE
25
SW
10
WSW
Wind State
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-off
cross
cross
on
cross
cross-off
on
glassy
on
cross-off
cross-off
cross-off
cross-on
cross-on
High Tide
10:18AM3.28m
10:56PM3.01m
11:25AM3.05m
00:20AM2.82m
12:57PM2.98m
1:58AM2.86m
2:23PM3.13m
3:10AM3.09m
3:23PM3.40m
3:57AM3.38m
4:05PM3.71m
4:34AM3.69m
4:41PM4.00m
Low Tide
4:17PM1.51m
4:36AM1.75m
5:45PM1.78m
6:34AM1.93m
8:04PM1.72m
8:30AM1.78m
9:12PM1.44m
9:25AM1.48m
9:54PM1.10m
10:04AM1.16m
10:27PM0.77m
10:37AM0.85m
10:57PM0.46m
mod rain
light rain
light rain
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
rain showers
clear
part cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:15
7:16
7:18
7:20
7:22
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:46
7:44
7:42
7:38
7:37
7:35
7:31
 mm
10
1
2
1
Temp °C
16
16
16
15
15
14
13
17
17
19
19
16
17
17
16
14
15
14
21
20
14
Feels °C
9
10
10
9
9
9
12
15
14
18
18
15
17
17
17
13
13
11
18
16
13
  • 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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Information about the Cornish Reef Surf forecast

The above surf forecast table for Cornish Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cornish Reef can be found by selecting the local surf guide option on the grey menu. Our Cornish Reef 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 (Cornish Reef) 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 Cornish Reef 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 Cornish Reef, camping, hotels and holiday cottages in Clare, consider staying in Inis which is 27 km (17 miles) away. Other places in and around Clare where you can find information about places to rent, and car hire include Foynes which is 38 km (24 miles) away, Shannon, Galway and Limerick.

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