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Surf Forecasts:
The Breakwater-St Ives surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Thursday 11 Dec 2025 GMTForecast update in hr min s Forecast update imminent
The Breakwater-St Ives surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Breakwater-St Ives sea temperature is
12.3° C
(Which is slightly warmer than usual)How big are the waves at The Breakwater-St Ives today?
The current surf forecast for The Breakwater-St Ives at 1PM is: 4.0m 13s primary swell from a West-southwest direction and 0.1m 24s secondary swell from a West direction (forecast issued at 11:00am December 11). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 11ft (3.5m) | 13s |
| Afternoon (11 Dec) | 15ft (4.5m) | 14s |
| Evening (11 Dec) | 15ft (4.5m) | 14s |
Table - waves today at The Breakwater-St Ives. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 16 | 15 | 15 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4287 | 4758 | 7425 | 8108 | 7979 | 10402 | 9165 | 8885 | 17148 | 20748 | 20021 | 17588 | 15731 | 13319 | 11152 | 8178 | 6363 | 5446 | 4982 | 4206 | 3788 | 3449 | 3556 | 5230 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- on | cross- on | cross- on | cross- off | cross- off | cross | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 9:35AM 5.05 | 10:09PM 4.56 | 10:37AM 4.74 | 11:16PM 4.38 | 11:44AM 4.56 | 12:23AM 4.35 | ||||||||||||||||||
Low Tide / height (m) | 4:14PM 1.27 | 4:33AM 1.53 | 5:14PM 1.50 | 5:36AM 1.71 | 6:17PM 1.62 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | 8:10 | - | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - |
 | | |  |  |  | | |  | | | |  |  | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | 2 | 6 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 12 | 10 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 4 | 3 | 4 | 5 | 3 | 8 | 4 | 6 | 7 | 7 | 6 | 7 | 8 | 7 | 7 | 6 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 3 |
- 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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