Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Holywell Bay surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 pm Wednesday 17 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Holywell Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Holywell Bay sea temperature is
11.9° C
(Which is slightly warmer than usual)How big are the waves at Holywell Bay today?
The current surf forecast for Holywell Bay at 6AM is: 5.0m 20s primary swell from a West direction (forecast issued at 11:00pm December 17). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 16ft (5.0m) | 20s |
| Afternoon (18 Dec) | 15ft (4.5m) | 19s |
| Evening (18 Dec) | 15ft (4.5m) | 18s |
Table - waves today at Holywell Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| 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 | 12 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3414 | 1702 | 12702 | 18141 | 17393 | 15223 | 14157 | 12389 | 11619 | 10478 | 9565 | 8803 | 8980 | 9035 | 7621 | 6143 | 5004 | 4221 | 3622 | 3445 | 3585 | 4190 | 3251 | 3015 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross- off | cross | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:53AM 5.49 | 4:12PM 5.50 | 4:31AM 5.69 | 4:51PM 5.66 | 5:09AM 5.86 | 5:27PM 5.76 | ||||||||||||||||||
Low Tide / height (m) | 9:50PM 1.41 | 10:12AM 1.32 | 10:29PM 1.24 | 10:51AM 1.13 | 11:06PM 1.09 | 11:29AM 1.00 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - |
 |  | | |  |  |  | |  |  | | |  | | | | | | | | | | | | |
Rain (mm) | 3 | - | - | - | 1 | 10 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 3 |
| Temp. °C | 13 | 12 | 12 | 11 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 8 | 7 |
| Feels °C (?) | 4 | 7 | 9 | 8 | 6 | 6 | 5 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 0 | 5 | 4 |
- 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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