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Surf Forecasts:
St Ives Harbour Wall surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 5 pm Thursday 18 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
12.1° C
(Which is slightly warmer than usual)How big are the waves at St Ives Harbour Wall today?
The current surf forecast for St Ives Harbour Wall at 12AM is: 5.0m 18s primary swell from a West direction and 2.0m 10s secondary swell from a South-southwest direction, 2.2m 10s secondary swell from a South-southwest direction (forecast issued at 05:00pm December 18). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 16ft (5.0m) | 16s |
| Afternoon (19 Dec) | 15ft (4.5m) | 16s |
| Evening (19 Dec) | 13ft (4.0m) | 15s |
Table - waves today at St Ives Harbour Wall. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 9 | 12 | 12 | 12 | 12 | 17 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 21703 | 19224 | 17022 | 15403 | 15874 | 14400 | 12409 | 11619 | 9899 | 8193 | 6410 | 5433 | 4960 | 1657 | 1927 | 6204 | 4319 | 2785 | 3471 | 9615 | 11566 | 10596 | 9723 | 8749 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- on | cross- on | cross | cross- off |
High Tide / height (m) | 4:00PM 5.03 | 4:19AM 5.22 | 4:38PM 5.17 | 4:56AM 5.37 | 5:15PM 5.26 | 5:33AM 5.47 | ||||||||||||||||||
Low Tide / height (m) | 10:21PM 1.14 | 10:43AM 1.05 | 10:58PM 1.01 | 11:21AM 0.93 | 11:35PM 0.91 | 11:58AM 0.85 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:18 | - |
| Sunset | 4:19 | - | - | - | - | - | - | - | 4:20 | - | - | - | - | - | - | - | 4:20 | - | - | - | - | - | - | - |
 |  |  |  | | |  | | | | | | |  | |  | | | | | | |  | | |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 2 | - | - | - | - | 3 | 6 | 2 |
| Temp. °C | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 9 | 10 | 9 | 9 | 8 | 7 | 6 | 5 | 5 |
| Feels °C (?) | 5 | 2 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 4 | 2 | 1 | 0 | 1 | 1 | 3 | 1 | 3 | 4 | 4 | 1 | -1 | -1 |
- 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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