Surf Forecasts:
Kennack Sands surf forecast from 29 Jul 2026:
- Most powerful swell: Tuesday 4 Aug, 1PM (local time) - 3.5ft (1.1m), 7s period, E swell with 111 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 1.1m 7s and forecast to arrive on Tuesday (Aug 04) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 8s period and expected on Thursday (Jul 30) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Tue 4th Aug) | 3.5ft (1.1m) 7s |
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 cookin’ for Kennack Sands.
Truth be told, it’s a pretty bleak picture for the next couple of weeks. We’ve got a long stretch of flat, poor surf conditions ahead. The first real sign of any kind of wave energy doesn’t show up until Monday the 4th of August, and even then, it’s nothing to write home about. For days on end, we’re looking at tiny, weak swell with barely any energy, often combined with onshore or cross-shore breezes. The water temp is running about 67°F on July 29th, which is a whopping 5°F warmer than usual for this time of year – feels like a bath, but it won’t make up for the lack of waves.
The only period that offers a glimmer of hope, and I mean a glimmer, is around Thursday the 6th of August. The afternoon sees a jump in swell height to 6 ft out of the SSW, with a combined energy of 221 (moderate). That’s a bit of size, but it’s coming with a short period of 6 seconds, so it’s gonna be weak, fat, and a bit crumbly. The wind is cross-off from the W at 19 mph, which should keep it reasonably clean. For a beginner spot that’s inconsistent and sheltered, this is the best we’ll see. But honestly, 6 ft on a short period at a sheltered beach break like Kennack Sands is going to be messy and mostly for the hardcore.
There’s a quick spike on Thursday morning, August 6th, with 3 ft from the SSE and a period of just 4 seconds – that’s windswell, not worth getting excited about. After that, it’s back to tiny, weak, and mostly flat or onshore junk for the rest of the forecast. For a spot that’s already inconsistent, this kind of blank run isn’t unusual, but it’s a tough stretch.
So, if you’re jonesing for a paddle, the best bet – and I use that term loosely – is the afternoon of Thursday, August 6th. It’s the only day with any real height, but don’t expect any quality. The rest of the 16 days are a write-off.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 16°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Mon night. Warm (max 20°C on Mon afternoon, min 15°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | |||||||||||||||
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) | S 13 | S 13 | S 13 | S 13 | S 13 | W 8 | S 12 | WNW 6 | S 12 | W 9 | W 9 | W 8 | W 8 | WSW 8 | WSW 8 | E 3 | E 5 | E 6 | E 6 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 3 | 3 | 3 | 3 | 0 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 23 | 37 | 98 | 96 | 31 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | off | off | off | cross-off | off | off | cross-off | off | cross-off | cross | glassy | cross-off | cross-on | on | cross-on | on | cross-on | glassy |
High Tide | 5:48PM4.37m | 6:05AM4.22m | 6:22PM4.53m | 6:39AM4.34m | 6:55PM4.64m | 7:11AM4.41m | 7:27PM4.70m | 7:44AM4.43m | 8:01PM4.68m | 8:20AM4.41m | 8:37PM4.60m | 8:58AM4.32m | 9:18PM4.44m | ||||||||
Low Tide | 12:08PM0.69m | 00:32AM0.57m | 12:43PM0.51m | 1:07AM0.41m | 1:18PM0.40m | 1:41AM0.32m | 1:52PM0.35m | 2:16AM0.30m | 2:28PM0.38m | 2:52AM0.34m | 3:04PM0.47m | 3:29AM0.46m | 3:44PM0.62m | ||||||||
 |  |  | | |  | |  | | | |  | | | | | |  | | | | |
 | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — |
 | — | — | 9:07 | — | — | 9:06 | — | — | 9:05 | — | — | 9:04 | — | — | 9:01 | — | — | 9:00 | — | 8:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 19 | 20 | 18 | 19 | 18 | 16 | 19 | 19 | 16 | 18 | 18 | 15 | 17 | 19 | 17 | 19 | 20 | 19 | 18 | 19 | 18 |
Feels °C | 17 | 17 | 17 | 15 | 13 | 13 | 15 | 14 | 13 | 13 | 14 | 12 | 16 | 18 | 13 | 15 | 20 | 17 | 17 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | W 8 | S 5 | W 8 | W 8 | W 8 | WNW 7 | WNW 6 | WSW 11 | W 9 | W 9 | W 8 | W 8 | WSW 8 | WSW 8 | WSW 8 | E 5 | E 6 | SW 7 | E 7 | E 7 |
| kJ | 73 | 71 | 1 | 48 | 31 | 31 | 78 | 18 | 37 | 42 | 57 | 49 | 36 | 24 | 41 | 40 | 23 | 37 | 14 | 96 | 31 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 6 | S 13 | S 13 | S 13 | — | S 12 | WNW 7 | S 12 | WNW 7 | NW 7 | NW 4 | NW 6 | SW 8 | W 10 | NNW 5 | WSW 8 | WSW 8 | W 9 | SW 7 | SW 7 |
| kJ | 1 | 1 | 3 | 3 | 3 | — | 3 | 18 | 3 | 4 | 2 | 5 | 6 | 17 | 8 | 2 | 48 | 45 | 7 | 14 | 12 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | — | — | — | W 12 | W 12 | W 7 | — | — | — | — | WNW 6 | W 6 | W 6 | E 7 | NNW 4 | N 5 | W 9 | W 9 |
| kJ | 3 | 3 | 3 | — | — | — | 3 | 3 | 1 | — | — | — | — | 4 | 1 | 1 | 4 | 3 | 1 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | WSW 2 | W 8 | WNW 5 | WNW 5 | WNW 5 | — | NNW 2 | WNW 7 | WNW 5 | WNW 5 | — | — | — | NNW 4 | E 3 | — | — | E 6 | — | — |
| kJ | — | 1 | 111 | 28 | 29 | 20 | — | 1 | 30 | 17 | 9 | — | — | — | 2 | 1 | — | — | 98 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 21 | 181 | 182 | 187 | 226 | 188 | 8 | 226 | 21 | 31 | 36 | 19 | 19 | 19 | 250 | 19 | 39 | 19 | 303 | 124 | 270 |
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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