Kennack Sands Surf Break

Lat Long: 50.00° N 5.17° W

Kennack Sands Surf Forecast and Surf Report

Issued: 12 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kennack Sands sea temperature is
19.3° C
2.2° 

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


Kennack Sands surf forecast from 13 Aug 2026:

  • Most powerful swell: Tuesday 18 Aug, 10PM (local time) - 0.5ft (0.2m), 17s period, SSW swell with 29 kJ wave energy.

Best Forecast Surf Conditions for Kennack Sands this week:

The most powerful waves expected at Kennack Sands in the next 16 days are 0.2m 17s and forecast to arrive on Tuesday (Aug 18) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 11s period and expected on Wednesday (Aug 19) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10PM (Tue 18th Aug)0.5ft (0.2m) 17s

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


The Lowdown

Alright, folks, let's have a look at what's on offer for our little slice of the coast. Rusty here.

Honestly, looking at the whole sixteen-day run, it’s a proper quiet spell for Kennack Sands. We've got a long stretch of tiny, weak surf ahead, and most of it is just not worth paddling out for. There’s a big gap with zero swell for several days in the middle there.

We start off this Thursday, the 13th of August, with a tiny bit of knee-high energy. We're talking 1.3 ft from the east, but the period is a short, weak 5 seconds. The combined energy is a measly 7, so it's barely a ripple. Wind's light and offshore though, so it’s clean, but honestly, it's a lake. It stays like this for a few days with even smaller waves.

Then from Sunday the 16th right through to Tuesday the 19th of August we’ve got a big blank patch with absolutely no swell on the cards. Zilch. A proper dry spell.

Now, into the second week, things *just* start to flicker. On Wednesday the 19th of August, a little pulse of 0.7 ft from the SSW shows up, but the wave energy is still only 24. It's clean again with offshore wind, but that's about all you can say for it.

The best of a bad bunch looks like Thursday the 27th of August. We finally get a bit of size, with a 4.9 ft swell from the SSW. The combined energy jumps to 225, so there’s some real push behind it for once. The catch is the period is a short 7 seconds, so it’s gonna be a bit fat and crumbly, not much punch. The wind is a fresh offshore from the west, so it should be clean on the face. This size pushes it into the "not for beginners" territory, but for the experienced crew, it might be the only session worth having in the whole window. It’s still not a standout by any stretch, just the least disappointing day.

Friday the 28th doesn’t look as good, with the swell dropping and the wind picking up strong.

So, there you have it. A long, quiet stretch with one day late in the month that might just give you a fun, clean wave. Not much to get excited about, but that's how it goes sometimes.

Short Range Forecast

Mostly dry. Warm (max 25°C on Thu morning, min 16°C on Fri night). Winds increasing (light winds from the NE on Wed night, fresh winds from the N by Sat afternoon).

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Sun afternoon, min 15°C on Sat night). Winds decreasing (fresh winds from the N on Sat night, calm by Sun morning).

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
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
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
Wave
Height (m)
Direction
Period (s)
0.4
E
5
0.3
E
4
0.1
S
11
0.1
S
13
0.1
S
13
0.1
S
13
0.1
S
12
0.1
S
12
0.1
S
20
0.5
W
7
0.1
S
18
0.1
S
18
0.3
W
9
0.1
S
18
0.1
S
16
1.2
W
7
1
W
7
0.2
SSW
17
0.2
SSW
16
0.2
SSW
16
0.2
SSW
15
Wave Graph
Metric surfscale
Energy kJ
7
3
2
3
3
3
3
3
7
0
7
6
0
6
5
0
0
29
24
24
22
Wind (km/h)
10
NW
20
WNW
15
NW
15
W
25
W
25
NNW
30
N
30
N
25
N
20
NNE
15
NNW
15
N
10
W
25
W
25
W
20
W
25
WSW
30
WNW
25
NNW
25
NNW
15
NNW
Wind State
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
5:44AM4.68m
6:04PM5.07m
6:27AM4.80m
6:46PM5.14m
7:08AM4.81m
7:27PM5.07m
7:48AM4.72m
8:06PM4.88m
8:26AM4.54m
8:45PM4.58m
9:06AM4.28m
9:25PM4.22m
9:47AM3.98m
10:10PM3.84m
Low Tide
12:27PM0.00m
00:54AM-0.19m
1:09PM-0.10m
1:35AM-0.21m
1:49PM-0.07m
2:14AM-0.09m
2:28PM0.09m
2:52AM0.15m
3:06PM0.34m
3:28AM0.47m
3:44PM0.66m
4:05AM0.83m
4:23PM1.01m
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:07
6:09
6:09
6:11
6:13
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:43
8:40
8:39
8:37
8:36
8:34
8:31
 mm
Temp °C
25
24
20
20
21
17
19
19
16
20
21
17
19
19
19
21
21
20
18
18
17
Feels °C
23
23
20
21
19
15
14
13
12
19
18
14
16
16
17
20
20
18
13
13
15
  • 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 Kennack Sands Surf forecast

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

Kennack Sands is 9 km (6 miles) from The Lizard. If you plan a holiday in South Cornwall, look for hotels and other accommodation in The Lizard. The Lizard has rooms for a wide range of budgets as well as car hire and transport links.

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