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Holywell Bay surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Monday 17 Nov 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
13.8° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Holywell Bay today?
The current surf forecast for Holywell Bay at 1PM is: 0.5m 13s primary swell from a West direction and 0.8m 6s secondary swell from a North direction (forecast issued at 11:00am November 17). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Nov) | 1.5ft (0.5m) | 13s |
| Afternoon (17 Nov) | 1.5ft (0.5m) | 12s |
| Evening (17 Nov) | 1.5ft (0.4m) | 12s |
Table - waves today at Holywell Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 86 | 84 | 78 | 50 | 49 | 48 | 48 | 48 | 47 | 47 | 46 | 43 | 83 | 185 | 444 | 672 | 1128 | 1234 | 1072 | 1064 | 838 | 816 | 740 | 671 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross- off | glass | cross- off | cross- on | cross- on | on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:23PM 5.64 | 3:44AM 5.71 | 4:00PM 5.81 | 4:18AM 5.91 | 4:34PM 5.94 | 4:51AM 6.05 | ||||||||||||||||||
Low Tide / height (m) | 9:25AM 1.29 | 9:44PM 1.10 | 10:01AM 1.08 | 10:17PM 0.95 | 10:35AM 0.92 | 10:49PM 0.85 | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
| Sunrise | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:32 | - | - | - | - | - | - | - | 4:31 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - |
 | | |  | |  | |  |  |  |  |  |  | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | - | 1 | 1 | 1 | - | 2 | 2 | 3 | 4 | 4 |
| Temp. °C | 8 | 8 | 8 | 7 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 4 | 5 |
| Feels °C (?) | 3 | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 1 | -1 | -5 | -4 | -4 | -4 | -4 | -5 | -5 | -5 | -4 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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