Kerhillio Surf Break

Lat Long: 47.61° N 3.16° W

Kerhillio Surf Forecast and Surf Report

Issued: 7 pm 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kerhillio sea temperature is
20.1° C
2.6° 

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


Kerhillio surf forecast from 11 Jul 2026:

  • Most powerful swell: Thursday 16 Jul, 5PM (local time) - 2.5ft (0.7m), 8s period, WSW swell with 72 kJ wave energy.

Best Forecast Surf Conditions for Kerhillio this week:

The most powerful waves expected at Kerhillio in the next 16 days are 0.7m 8s and forecast to arrive on Thursday (Jul 16) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Jul 12) at 2AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Thu 16th Jul)2.5ft (0.7m) 8s

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


Alright, let me give it to you straight, folks. Rusty here, looking at the next couple of weeks for us.

Honestly, it’s a tough start. We’re looking at a pretty flat spell to kick things off. From now through the next week, there’s just nothing doing at Kerhillio. The swell is tiny, the wind is messy, and you’d be better off cleaning the wax off your board. It’s a real dry patch. We’re talking about a solid 7 to 8 days of poor surf conditions, with hardly a ripple worth mentioning. Don’t get too down though; it’s the way it goes sometimes, and it won’t stay flat forever.

The first real glimmer of hope comes on Wednesday the 22nd of July. We start seeing a little pulse of energy, but it’s still small. By Thursday the 23rd, we’ve got some waist-high swell rolling in from the west. The combined energy is moderate, but the wind is a bit messy in the arvo. The pick of this first wave of swell is definitely Friday the 24th. The morning session looks the best. We’ve got a clean 6 ft swell from the west, with a light ESE breeze keeping the surface glassy. It’s a bit on the bigger side for beginners, maybe pushy for the less experienced. The energy is strong, but the period is short at 6 seconds, so it’ll be a bit walled-up and fat at times. Still, it's the first sign of life.

Now, hold onto your board shorts, because Saturday the 25th of July is the real standout. This is the one we’ve been waiting for. Saturday morning is looking *very* good. We’re expecting a solid 6 ft swell from the west, but here’s the kicker: it’s got a very long period of 12 seconds. That means real groundswell, proper energy, and long, clean lines. The combined energy is massive. And to top it off, we’ve got a super light ESE breeze, which is borderline glassy. It’s going to be absolutely clean. This is a morning for the experienced crew, as the swell size and power will be a handful for beginners. Get on it early because the wind is set to turn onshore in the afternoon.

Sunday the 26th will see the swell drop back, but it’s still a good option for a lazy session if the morning rain clears. The wind is onshore though, so it won’t be as clean.

So, to wrap it up: don’t bother waxing up until late in the week. The best bets are Friday the 24th for a cleaner, if a bit fat, day. But the absolute winner, the one to circle on your calendar, is Saturday the 25th of July. Get out there for a dawny.

Rusty.

Short Range Forecast

Moderate rain (total 10mm), heaviest on Sat night. Warm (max 37°C on Sun afternoon, min 21°C on Sun morning). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Tue afternoon, min 19°C on Mon night). Winds increasing (calm on Tue morning, fresh winds from the W by Wed afternoon).

Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Fri
17
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
W
9
0.4
W
8
0.3
W
10
0.4
W
9
0.3
W
9
0.3
W
9
0.7
WSW
3
0.5
SW
6
0.6
SW
6
0.7
SW
6
0.6
WSW
6
0.3
W
11
0.3
W
10
0.3
W
10
0.3
W
9
0.3
W
9
0.5
WSW
6
0.7
WSW
8
0.3
W
9
0.3
W
8
0.3
W
8
Wave Graph
Metric surfscale
Energy kJ
37
21
18
27
13
13
10
20
31
39
23
21
18
17
15
14
20
72
14
12
12
Wind (km/h)
20
NNE
20
E
20
SSW
30
NNE
25
ENE
15
SSE
20
N
15
E
20
SW
15
NW
10
W
20
WSW
15
NW
20
WNW
30
W
15
NW
15
WNW
30
W
15
NW
10
WNW
30
WSW
Wind State
off
cross-off
cross-on
off
cross-off
cross-on
cross-off
cross-off
on
cross
cross-on
on
cross
cross
cross-on
cross
cross-on
cross-on
cross-off
cross
cross-on
High Tide
2:10AM3.57m
2:47PM3.69m
3:22AM3.75m
3:51PM3.96m
4:24AM3.96m
4:47PM4.24m
5:18AM4.14m
5:38PM4.46m
6:08AM4.25m
6:27PM4.60m
6:55AM4.26m
7:13PM4.62m
7:39AM4.19m
7:57PM4.51m
Low Tide
8:27AM0.83m
9:01PM0.71m
9:30AM0.65m
10:03PM0.44m
10:27AM0.43m
10:59PM0.18m
11:20AM0.23m
11:52PM-0.02m
12:09PM0.10m
00:41AM-0.11m
12:56PM0.04m
1:28AM-0.08m
1:42PM0.10m
clear
clear
part cloud
rain showers
rain showers
clear
thunderstorm
rain showers
thunderstorm
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
rain showers
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
6:28
6:28
6:30
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:09
10:08
10:07
10:07
10:07
10:06
10:05
10:05
 mm
4
1
2
2
1
1
Temp °C
32
28
32
28
28
37
31
23
27
23
23
26
25
22
22
22
22
24
23
21
23
Feels °C
28
24
29
28
23
34
28
21
26
20
23
25
22
20
18
18
21
21
19
20
20
  • 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 Kerhillio Surf forecast

The above surf forecast table for Kerhillio provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kerhillio can be found by selecting the local surf guide option on the grey menu. Our Kerhillio 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 (Kerhillio) 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 Kerhillio 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.

Kerhillio is 21 km (13 miles) from the city of Lanester. If you plan a holiday in Morbihan - Brittany, look for hotels and other accommodation in Lanester. Lanester has rooms for a wide range of budgets as well as car hire and transport links.

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