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Kennack Sands Surf Forecast
/ Cornwall (South) (25 surf breaks) /
Surf Forecasts:
Kennack Sands surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 6 pm Monday 18 May 2026 BSTForecast 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
12.4° C
(Which is normal for this time of year)How big are the waves at Kennack Sands today?
The current surf forecast for Kennack Sands at 11PM is: 2.2m 6s primary swell from a South-southwest direction and 0.1m 19s secondary swell from a South direction (forecast issued at 06:00pm May 18). An open ocean swell of 1.0m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 3.5ft (1.0m) | 4s |
| Evening (18 May) | 6ft (1.8m) | 6s |
Table - waves today at Kennack Sands. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Mon afternoon. Very mild (max 14°C on Wed morning, min 11°C on Mon afternoon). Winds decreasing (strong winds from the S on Mon night, light winds from the S by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 5 | SSW 5 | SSW 6 | SSW 7 | S 19 | S 19 | S 18 | S 18 | S 18 | WSW 9 | WSW 9 | WSW 10 | WSW 14 | WSW 14 | WSW 14 | SSW 7 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | |
48 | 125 | 320 | 0 | 7 | 7 | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 89 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 6:38PM5.08m | 7:03AM4.86m | 7:25PM4.96m | 7:52AM4.62m | 8:15PM4.74m | 8:45AM4.30m | ||||||||||||||||||
Low Tide | 1:06PM-0.03m | 1:33AM-0.09m | 1:53PM0.08m | 2:23AM0.04m | 2:43PM0.28m | 3:15AM0.26m | ||||||||||||||||||
 | |  | |  |  | |  |  | |  | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — |
 | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | 9:07 |
1 | 4 | 1 | 1 | — | — | 1 | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
5 | 4 | 4 | 6 | 6 | 7 | 6 | 5 | 5 | 5 | 5 | 6 | 5 | 8 | 8 | 9 | 10 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | WNW 10 | W 16 | W 16 | W 15 | WSW 15 | S 18 | SW 18 | WSW 17 | WSW 16 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 |
 kJ | 595 | 449 | 275 | 147 | 5 | 5 | 17 | 21 | 6 | 49 | 216 | 881 | 6692 | 6393 | 5357 | 4031 | 3166 | 2628 | 1930 | 1480 | 1226 | 1082 | 839 | 716 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 19 | S 19 | W 16 | S 19 | S 19 | S 18 | S 18 | S 18 | SW 18 | SW 17 | W 14 | — | — | — | — | — | — | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 3 | 7 | 7 | 5 | 7 | 7 | 6 | 6 | 6 | 12 | 12 | 189 | — | — | — | — | — | — | 10 | 10 | 10 | 9 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 16 | S 19 | S 18 | S 13 | S 13 | SW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | 7 | 7 | 3 | 3 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 6 | SSW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 9 | WSW 9 | WSW 10 | WSW 14 | — | — | SSW 7 | — | — | — | — | — | — | — | — |
| kJ | 48 | 125 | 320 | 547 | 816 | 878 | 931 | 964 | 1151 | 1530 | 1918 | 2654 | 5397 | — | — | 89 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 67 | 181 | 261 | 427 | 533 | 533 | 543 | 533 | 385 | 523 | 533 | 529 | 249 | 182 | 182 | 476 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 |
Best forecast wave conditions in South Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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