Kennack Sands Surf Break

Lat Long: 50.00° N 5.17° W

Kennack Sands Surf Forecast and Surf Report

Issued: 6 am 14 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kennack Sands sea temperature is
19.4° C
2.3° 

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 14 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 1.5m 7s period and expected on Tuesday (Aug 18) at 7AM.

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, Rusty here. Let's be straight with you. Looking out over the next couple of weeks, the surf scene is pretty much a flat, washed-out story. We've got a long stretch of nothing on the menu, so temper those expectations.

We're talking about Kennack Sands, a sheltered little spot that needs a good dose of southerly energy to wake up. Right now, and for the next week or so, it's gonna be tough. We're looking at tiny, weak waves – we're talking 0.3ft of dribble with a long-period south swell that just doesn't have any push behind it. The energy readings are pitiful, in the single digits to low twenties (e.g., 6, 7, 24), which is just about enough to make it look pretty but not surfable.

The water is warm, though, coming in at 67°, which is a good 4° warmer than usual for this time of year. That's a nice touch if you're just having a paddle, but it won't help the waves.

There is a slight bump late in the first week, on the 19th and 20th, where we might see 0.7ft of swell, with energy climbing into the low 20s. Still, that's a far cry from rideable for most. The wind is mostly cross-off, so the surface will be clean, but you're just staring at a flat ocean.

The real tease is on the morning of the 22nd. Glassy conditions are forecast with light easterly winds, and there's a whisper of a 0.7ft SSW groundswell. But it’s still tiny. Then the afternoon throws a curveball – a 1ft east windswell shows up with a short 5-second period. That's pure chop, not worth getting wet for. This spot is inconsistent at the best of times, and this is one of those blank runs that just reminds you how fickle it can be.

The following week doesn't offer any real hope either. We see a blip of 3ft cross-shore energy on the 23rd, but it's windswell with a 6-second period and winds are howling at 22 mph. That's not surf; that's a washing machine. After that, it's back to flatness with strong winds and rain. For the most part, the open water will be messy and blown out. Honestly, with the swell this weak and the wind this strong at times, the setup might look more interesting for a kite surfer than a paddle surfer.

So, the long and short of it: don't bother waxing up for the next couple of weeks. There are no good surf options in this 16-day window. It's a tough run, but this spot is known for it. It never stays this poor for long, and the forecasts can change. Keep an eye on the charts, and maybe we'll get something on the next cycle.

Rusty, out.

Short Range Forecast

Mostly dry. Warm (max 21°C on Fri morning, min 15°C on Sat night). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 7mm), mostly falling on Tue night. Warm (max 20°C on Mon afternoon, min 14°C on Tue night). Mainly fresh winds.

Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
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)
0.1
S
13
0.1
S
13
0.1
S
13
1
W
8
0.1
S
12
0.1
S
20
0.1
S
12
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
18
0.1
S
19
1.5
W
7
1.4
W
7
0.2
SSW
17
0.2
SSW
16
0.2
SSW
16
0.2
SSW
15
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
3
3
3
0
3
7
3
7
6
6
6
7
0
0
29
24
24
22
21
20
18
Wind (km/h)
10
WNW
25
WNW
20
NNW
25
N
25
NNW
20
N
10
N
25
WNW
15
WNW
20
W
25
WSW
25
W
30
WNW
30
WNW
20
WNW
20
NNW
25
NNW
15
NW
20
NW
25
NW
10
NNW
Wind State
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
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
10:36AM3.66m
11:06PM3.49m
Low Tide
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
4:44AM1.18m
5:07PM1.34m
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
rain showers
rain showers
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:09
6:09
6:11
6:13
6:15
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:40
8:39
8:37
8:36
8:34
8:31
8:30
 mm
4
3
Temp °C
21
21
18
21
20
16
19
19
19
19
20
20
19
18
18
18
19
18
18
18
16
Feels °C
20
19
16
17
15
14
17
15
18
18
18
18
14
13
15
13
14
15
13
13
12
  • 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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