Surf Forecasts:
Kennack Sands surf forecast from 19 Aug 2026:
- Most powerful swell: Monday 24 Aug, 10PM (local time) - 3ft (0.9m), 6s period, ESE swell with 59 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 0.9m 6s and forecast to arrive on Monday (Aug 24) 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 2.5m 9s period and expected on Thursday (Aug 20) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Mon 24th Aug) | 3ft (0.9m) 6s |
Table - best surf conditions forecast for Kennack Sands over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for the next couple of weeks.
To be honest, it’s a quiet stretch. The forecast is showing a whole lot of nothing for the first week, with a long gap of tiny or flat conditions. We’re looking at almost no surf worth talking about until the end of the month, and even then, it’s not exactly lighting up the charts.
The best bet, and really the only one that stands out, is on Monday the 24th of August. Kennack Sands will see a bump in swell from the east, pushing to about 5 feet, with a combined energy of 223 (moderate). The period is a short 7 seconds, so it’ll be a bit of a windswell, not a clean groundswell. The wind is a strong cross-onshore breeze from the east-northeast at 25 mph, which will make things messy. It’s a beach break, and with the wind and short period, this setup actually looks more interesting for kite surfing than paddle surfing. It’s also a beginner-friendly spot, but that 5 feet with onshore wind will be a handful for less experienced crew. Crowds are possible here.
After that, the swell drops off again. There’s a tiny pulse on the 29th of August from the south-southwest at about 4 feet, but the wind is cross-onshore and choppy, so it’s not a call to arms.
The water temperature is sitting at 66°, which is a touch warmer than normal for the time of year, so you won’t need a thick suit.
Overall, it’s a lean forecast. There’s a big gap of flat days, and the only real pulse is a messy one.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Very mild (max 19°C on Wed morning, min 14°C on Thu night). Winds decreasing (fresh winds from the W on Wed afternoon, light winds from the NNE by Thu night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sun afternoon, min 16°C on Sat morning). Winds increasing (calm on Sun afternoon, fresh winds from the ENE by Mon morning). | ||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | W 9 | WSW 9 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | ESE 5 | ESE 6 | E 6 | SSW 13 | E 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 24 | 22 | 21 | 20 | 18 | 17 | 17 | 24 | 0 | 0 | 42 | 19 | 20 | 20 | 19 | 25 | 50 | 16 | 17 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | cross | on | cross-off | cross-on | cross-on | cross-off | off | off | off |
High Tide | 10:10PM3.84m | 10:36AM3.66m | 11:06PM3.49m | 11:42AM3.40m | 00:25AM3.26m | 1:09PM3.29m | 1:52AM3.23m | 2:28PM3.38m | 3:01AM3.38m | 3:28PM3.62m | 3:53AM3.62m | 4:14PM3.91m | |||||||||
Low Tide | 4:23PM1.01m | 4:44AM1.18m | 5:07PM1.34m | 5:31AM1.50m | 6:05PM1.62m | 6:38AM1.72m | 7:29PM1.75m | 8:12AM1.74m | 9:05PM1.64m | 9:33AM1.53m | 10:08PM1.35m | 10:25AM1.22m | 10:53PM1.02m | ||||||||
 | |  | | |  |  |  |  | | | | | | |  | |  | | | | |
 | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 8:31 | — | — | 8:30 | — | — | 8:28 | — | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — | — | 8:20 | — |
mm | — | — | 2 | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 17 | 18 | 17 | 15 | 16 | 16 | 14 | 17 | 18 | 17 | 18 | 19 | 18 | 17 | 18 | 18 | 19 | 19 | 17 |
Feels °C | 14 | 12 | 12 | 13 | 11 | 12 | 13 | 10 | 10 | 14 | 17 | 13 | 15 | 18 | 13 | 11 | 12 | 15 | 17 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | SSW 16 | SSW 15 | SSW 14 | W 9 | W 10 | W 9 | WNW 8 | WNW 8 | NNW 6 | WNW 6 | W 9 | W 9 | ESE 5 | ESE 5 | WSW 9 | ESE 5 | ESE 6 | E 6 | W 10 | W 9 |
| kJ | 259 | 24 | 22 | 21 | 828 | 529 | 215 | 115 | 73 | 29 | 16 | 24 | 14 | 13 | 7 | 16 | 25 | 50 | 16 | 138 | 318 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | — | — | — | SSW 14 | SSW 14 | SSW 13 | SSW 13 | NW 8 | W 9 | NNW 6 | WNW 6 | SSW 14 | W 9 | W 9 | SSW 14 | W 9 | W 8 | WNW 10 | E 6 | E 5 |
| kJ | 24 | — | — | — | 20 | 18 | 17 | 17 | 28 | 36 | 13 | 6 | 19 | 14 | 13 | 19 | 14 | 12 | 33 | 11 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 16 | SW 16 | SSW 16 | WNW 7 | WSW 9 | SSW 15 | NNW 5 | SSW 14 | SSW 14 | NW 4 | SSW 13 | SSW 13 | W 8 | SSW 13 | SW 13 |
| kJ | — | — | — | — | — | — | 5 | 10 | 24 | 10 | 26 | 42 | 2 | 20 | 20 | 1 | 18 | 17 | 12 | 17 | 6 |
Wind waves Height (m) Direction Period (s) | — | W 10 | W 8 | W 9 | WNW 9 | — | N 3 | NNW 4 | N 3 | — | — | N 5 | E 4 | — | N 3 | E 4 | — | — | — | — | — |
| kJ | — | 470 | 601 | 865 | 1060 | — | 5 | 16 | 2 | — | — | 13 | 2 | — | 2 | 12 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 187 | 182 | 523 | 194 | 181 | 21 | 8 | 84 | 8 | 95 | 19 | 8 | 19 | 410 | 19 | 321 | 438 | 226 | 36 | 160 | 8 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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