Surf Forecasts:
Kennack Sands surf forecast from 26 Aug 2026:
- Most powerful swell: Thursday 27 Aug, 4AM (local time) - 4.5ft (1.4m), 6s period, SE swell with 114 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 1.4m 6s and forecast to arrive on Thursday (Aug 27) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Saturday (Aug 29) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Thu 27th Aug) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Kennack Sands over the next 16 days.
The Lowdown
Alright, grab a coffee, this one’s a tough pill to swallow. I’m looking at the 16-day picture for the Lizard Peninsula and, honestly, it’s quiet. We’ve got a long stretch ahead with barely a ripple, so you might want to find something else to keep you busy for the first week or so.
There’s a real sting in the tail with the water temperature at Kennack Sands; it’s sitting at 65°F, which is a touch warmer than normal for the end of August. A nice thought if you do end up paddling out, but it’s not going to save the surf.
We're starting off on Wednesday the 26th with tiny, gutless swell. Kennack Sands will have a weak 1.0ft windswell from the east, and a period of 5 seconds – that's pure bump. The combined energy is a laughable 10. The wind is fresh from the southeast, making it messy. It’s a flat, blown-out scene. This theme of poor surf runs deep into the week.
Thursday the 27th sees a tiny bump to 3ft, but it's from the SSW with a short, weak 6-second period. The wind is cross-shore and choppy. The energy climbs to a still-paltry 87 – that’s weak. Nothing to get excited about.
From Friday the 28th right through until early September, it’s largely flat. We see one day, Friday the 28th morning, where there’s a clean offshore breeze, but there’s zero swell. You’ll be sitting on dry sand. This blank run stretches on for days.
There is a flicker of hope around the night of Monday the 31st and into Tuesday the 1st of September. Some very long-period lines show up from the south with a period of 18 seconds, but we’re only talking 0.3ft. That’s like looking at a picture of a wave. The wind is a fresh offshore from the WNW, which would be perfect, but the wave height is a ghost.
The 16-day window is a frustrating one. Kennack Sands is an inconsistent, sheltered beginner spot at the best of times, and it’s going to live up to that reputation now. A blank run like this is pretty normal for this area when the Atlantic isn't cooperating.
Safe to say, if you want to get wet, you’re better off looking at a different stretch of coast than this one.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Fri night. Very mild (max 19°C on Wed afternoon, min 17°C on Thu night). Winds increasing (light winds from the WSW on Thu night, strong winds from the SSW by Fri night). | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Sun morning. Very mild (max 19°C on Sat morning, min 17°C on Sat night). Winds decreasing (near gales from the SW on Sat morning, light winds from the W by Mon afternoon). | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
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) | SSE 4 | SE 4 | E 5 | SSW 6 | SSW 6 | E 5 | WSW 6 | S 11 | S 11 | SW 8 | SW 9 | WSW 10 | WSW 9 | WSW 8 | WSW 9 | W 9 | W 10 | S 18 | S 18 | S 12 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5 | 13 | 106 | 67 | 71 | 4 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 3 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:52PM4.21m | 5:10AM4.15m | 5:25PM4.49m | 5:42AM4.38m | 5:57PM4.71m | 6:13AM4.57m | 6:28PM4.87m | 6:45AM4.70m | 7:00PM4.94m | 7:18AM4.75m | 7:34PM4.92m | 7:53AM4.71m | 8:11PM4.78m | ||||||||
Low Tide | 11:06AM0.90m | 11:30PM0.70m | 11:42AM0.61m | 00:05AM0.42m | 12:16PM0.37m | 00:39AM0.21m | 12:51PM0.20m | 1:13AM0.08m | 1:26PM0.12m | 1:48AM0.06m | 2:01PM0.14m | 2:23AM0.14m | 2:39PM0.26m | 3:01AM0.32m | |||||||
 | |  | | |  |  |  | | | | |  | |  | | | | |  | | |
 | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | 8:17 | — | — | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — | — | 8:05 | — |
mm | — | — | 4 | — | — | — | — | 1 | 10 | 2 | — | — | 3 | 2 | 1 | — | — | 2 | 2 | — | — |
Temp °C | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 17 | 16 |
Feels °C | 16 | 17 | 15 | 16 | 16 | 17 | 14 | 14 | 16 | 11 | 9 | 14 | 13 | 12 | 11 | 13 | 13 | 14 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | ESE 5 | ESE 5 | W 9 | SW 11 | S 11 | WNW 6 | — | — | WSW 10 | W 9 | — | — | W 9 | W 10 | W 9 | W 9 | W 8 | W 9 |
| kJ | 50 | 31 | 28 | 20 | 23 | 43 | 5 | 3 | 70 | — | — | 1772 | 599 | — | — | 1345 | 943 | 508 | 487 | 438 | 291 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SSW 7 | SSW 6 | W 8 | W 10 | E 5 | — | — | S 11 | — | — | — | — | — | — | — | — | S 18 | S 18 | SW 17 | SW 16 |
| kJ | 14 | 5 | 8 | 19 | 49 | 4 | — | — | 2 | — | — | — | — | — | — | — | — | 6 | 6 | 12 | 10 |
Swell 3 Height (m) Direction Period (s) | E 5 | SW 12 | SW 12 | W 10 | WSW 8 | SW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | S 12 | S 11 |
| kJ | 5 | 6 | 6 | 8 | 7 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 |
Wind waves Height (m) Direction Period (s) | SSE 4 | SE 4 | E 5 | SSW 6 | SSW 6 | SW 7 | WSW 6 | W 7 | SW 7 | SW 8 | SW 9 | — | WSW 9 | WSW 8 | WSW 9 | — | — | — | — | — | — |
| kJ | 5 | 13 | 106 | 67 | 71 | 97 | 340 | 388 | 171 | 796 | 1778 | — | 753 | 870 | 2025 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 30 | 220 | 249 | 124 | 30 | 16 | 276 | 181 | 67 | 438 | 182 | 181 | 236 | 283 | 195 | 167 | 64 | 47 | 463 | 181 | 163 |
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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