Kennack Sands surf break

Kennack Sands surfForecast / Cornwall (South) / UK

information circle12 Day Weather and Surf, issued 5 am Saturday 13 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Kennack Sands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kennack Sands sea temperature is
12.6° C
(Which is 1.2°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Kennack Sands this week:

The surf forecast for Kennack Sands over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 19) at 6AM. The primary swell is predicted to be 4.5m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kennack Sands in the next 12 days are 5.0m 12s and forecast to arrive on Friday (Dec 19) at 9AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 6.5m 21s period and expected on Thursday (Dec 18) at 6AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 19th Dec)15ft (4.5m) 11s
Best Surf 6AM (Fri 19th Dec)15ft (4.5m) 11s
Most Powerful 9AM (Fri 19th Dec)16ft (5.0m) 12s

Table - best surf conditions forecast for Kennack Sands over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 31mm), heaviest during Mon afternoon. Very mild (max 12°C on Sun afternoon, min 9°C on Mon night). Winds decreasing (strong winds from the SSW on Sun night, light winds from the NNW by Mon night).

Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Thu afternoon. Very mild (max 13°C on Thu morning, min 9°C on Tue morning). Winds increasing (calm on Tue night, gales from the S by Thu afternoon).

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
0
0
Swell
Height Map
Wave Height (m) & direction (?)
4
WSW
3
WSW
3
WSW
3.5
WSW
4
WSW
4
WSW
4
WSW
1.9
S
1.1
S
0.3
ESE
0.4
SSW
0.2
S
2.3
W
1.1
SW
4
WSW
6.5
WSW
1.5
SSE
3
S
5
SSW
6.5
SW
5.5
WSW
Period(s) (?)1615131213131377676135132067121414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)0000000357127618305800136869719000
Wind
(km/h)
20
SW
25
SW
35
SW
40
SSW
45
SSW
45
SSW
40
SSW
30
S
20
NNW
20
NNW
15
N
5
S
25
SSW
35
SSW
35
SSW
55
S
65
S
60
SW
25
WNW
15
NW
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
glasscrosscross-
on
cross-
on
cross-
on
cross-
on
crossoffoffcross-
off
High Tide
/ height (m)
11:35AM
3.73
12:15AM
3.55
12:37PM
3.69
1:12AM
3.63
1:31PM
3.73
2:00AM
3.77
2:19PM
3.82
2:43AM
3.92
3:02PM
3.93
3:23AM
4.08
3:42PM
4.05
4:01AM
4.22
4:20PM
4.15
Low Tide
/ height (m)
6:05PM
1.26
6:30AM
1.43
7:08PM
1.29
7:37AM
1.40
8:07PM
1.24
8:35AM
1.27
8:58PM
1.13
9:24AM
1.11
9:42PM
0.99
10:06AM
0.93
10:22PM
0.85
10:45AM
0.78
11:00PM
0.73
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Sunrise8:10--8:11--8:11--8:11--8:12--8:14--8:14--
Sunset-4:17--4:17--4:17--4:19--4:19--4:19--4:19-
clear
part cloud
part cloud
part cloud
cloud
mod rain
mod rain
heavy rain
light rain
cloud
clear
part cloud
cloud
cloud
part cloud
cloud
light rain
part cloud
part cloud
clear
clear
Rain (mm)
-----710131-------5----
Temp. °C101011111212121210101010101111131211111010
Feels °C (?)544344664665433100667
  • 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 12 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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