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Gwithian Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Gwithian surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 6 pm Monday 18 May 2026 BSTForecast update in hr min s Forecast update imminent
Gwithian surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gwithian sea temperature is
12.2° C
(Which is normal for this time of year)How big are the waves at Gwithian today?
The current surf forecast for Gwithian at 12AM is: 2.2m 7s primary swell from a South-southwest direction and 0.8m 10s secondary swell from a West-northwest direction, 0.1m 16s secondary swell from a West direction (forecast issued at 06:00pm May 18). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 8ft (2.5m) | 8s |
| Afternoon (19 May) | 8ft (2.5m) | 8s |
| Evening (19 May) | 11ft (3.5m) | 9s |
Table - waves today at Gwithian. (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 16°C on Thu morning, min 11°C on Mon afternoon). Winds decreasing (strong winds from the SW on Tue afternoon, 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 |    |    |    |    | ||||||||||||||||||||
W 11 | WNW 11 | SSW 6 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 16 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | |
595 | 400 | 346 | 509 | 684 | 724 | 865 | 900 | 1108 | 1437 | 1834 | 6571 | 6652 | 6112 | 5077 | 3890 | 3082 | 2431 | 1756 | 1413 | 1160 | 1018 | 813 | 692 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:09PM6.54m | 7:34AM6.32m | 7:56PM6.39m | 8:24AM6.02m | 8:47PM6.10m | 9:16AM5.62m | ||||||||||||||||||
Low Tide | 1:07PM0.10m | 1:33AM0.06m | 1:54PM0.28m | 2:24AM0.27m | 2:45PM0.56m | 3:18AM0.58m | ||||||||||||||||||
 | |  | |  |  | | |  |  | |  |  |  | | | | | | | | | | | |
 | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — |
 | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | 9:08 |
1 | 4 | 1 | 1 | — | — | 1 | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 16 |
6 | 5 | 4 | 6 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 7 | 7 | 9 | 9 | 9 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 13 | |
Swell 1 Height (m) Direction Period (s) | W 11 | WNW 11 | WNW 11 | WNW 9 | WNW 10 | W 15 | W 15 | W 15 | SW 18 | W 13 | — | — | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 |
 kJ | 595 | 400 | 198 | 92 | 39 | 4 | 17 | 17 | 12 | 14 | — | — | 6652 | 6112 | 5077 | 3890 | 3082 | 2431 | 1756 | 1413 | 1160 | 1018 | 813 | 692 |
Swell 2 Height (m) Direction Period (s) | S 20 | S 19 | — | W 16 | SW 19 | S 19 | S 18 | S 18 | — | W 13 | — | — | — | — | — | — | — | — | — | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 7 | 7 | — | 5 | 14 | 7 | 6 | 6 | — | 14 | — | — | — | — | — | — | — | — | — | 10 | 10 | 10 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 16 | W 16 | — | S 13 | S 13 | — | S 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | 5 | — | 3 | 3 | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 6 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 16 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 28 | 120 | 346 | 509 | 684 | 724 | 865 | 900 | 1108 | 1437 | 1834 | 6571 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 54 | 210 | 281 | 399 | 504 | 504 | 513 | 504 | 404 | 504 | 504 | 500 | 277 | 211 | 211 | 506 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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