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Surf Forecasts:
St Ives Harbour Wall surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Monday 15 Dec 2025 GMTForecast update in hr min s Forecast update imminent
St Ives Harbour Wall surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's St Ives Harbour Wall sea temperature is
12.3° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at St Ives Harbour Wall today?
The current surf forecast for St Ives Harbour Wall at 6PM is: 3.0m 14s primary swell from a West direction and 1.5m 8s secondary swell from a South-southwest direction (forecast issued at 11:00am December 15). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 10ft (3.0m) | 13s |
| Afternoon (15 Dec) | 10ft (3.0m) | 14s |
| Evening (15 Dec) | 10ft (3.0m) | 14s |
Table - waves today at St Ives Harbour Wall. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 8 | 13 | 12 | 12 | 12 | 22 | 21 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2830 | 2920 | 3201 | 3361 | 3724 | 4028 | 3866 | 4089 | 3934 | 3582 | 3253 | 3160 | 2898 | 2651 | 2565 | 1933 | 1401 | 1003 | 2185 | 2668 | 5138 | 5111 | 29501 | 33355 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | on | cross | cross | cross- on | cross | cross | cross | cross | cross | cross- on | cross | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off |
High Tide / height (m) | 1:46PM 4.56 | 2:15AM 4.62 | 2:36PM 4.70 | 3:00AM 4.82 | 3:20PM 4.87 | 3:41AM 5.03 | ||||||||||||||||||
Low Tide / height (m) | 7:43AM 1.72 | 8:11PM 1.56 | 8:36AM 1.58 | 8:59PM 1.44 | 9:23AM 1.40 | 9:41PM 1.29 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - |
 |  |  |  | | | | | | |  |  | |  | | | | | |  | | | | | |
Rain (mm) | 9 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 5 | 5 | 1 | - | 1 |
| Temp. °C | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 9 |
| Feels °C (?) | 10 | 10 | 8 | 6 | 4 | 4 | 5 | 4 | 4 | 5 | 6 | 6 | 7 | 5 | 3 | 3 | 1 | 1 | 0 | 1 | 4 | 8 | 8 | 5 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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