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Surf Forecasts:
Gwithian surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 pm Sunday 07 Dec 2025 GMTForecast 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
12.4° C
(Which is slightly warmer than usual)How big are the waves at Gwithian today?
The current surf forecast for Gwithian at 4AM is: 3.5m 11s primary swell from a Southwest direction and 0.2m 24s secondary swell from a West-southwest direction (forecast issued at 11:00pm December 07). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 5.5ft (1.7m) | 21s |
| Afternoon (08 Dec) | 18ft (5.5m) | 18s |
| Evening (08 Dec) | 16ft (5.0m) | 18s |
Table - waves today at Gwithian. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 21 | 20 | 18 | 18 | 18 | 17 | 17 | 16 | 12 | 14 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 11 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2964 | 2783 | 3618 | 2483 | 2475 | 6278 | 20161 | 16855 | 15643 | 12423 | 9884 | 7344 | 8406 | 14790 | 12603 | 6987 | 5112 | 4512 | 3247 | 2790 | 1936 | 1617 | 1259 | 1249 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross | cross | cross | cross | cross- on | on | on | cross- on |
High Tide / height (m) | 6:45PM 6.15 | 7:07AM 6.31 | 7:34PM 5.84 | 7:57AM 6.02 | 8:25PM 5.47 | 8:49AM 5.65 | ||||||||||||||||||
Low Tide / height (m) | 1:06AM 0.38 | 1:37PM 0.37 | 1:55AM 0.66 | 2:29PM 0.69 | 2:46AM 0.99 | 3:23PM 1.05 | ||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - |
 | |  | |  |  | | | | | | |  | | | |  | | | |  | | | | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | 1 | 3 | 3 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 14 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 7 | 7 | 6 | 6 | 7 | 7 | 6 | 7 | 6 | 3 | 3 | 3 | 3 | 3 | 4 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 7 | 7 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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