Surf Forecasts:
How big are the waves at St Ives Harbour Wall today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 5ft (1.5m), 6s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.4m), 6s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.3m), 7s period with W swell.
The current surf forecast for St Ives Harbour Wall at 7PM is: 1.3m 7s primary swell from a West direction and 0.1m 17s secondary swell from a Southwest direction (forecast issued at 12:00pm August 18). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 5ft (1.5m) | 6s |
| Afternoon (18 Aug) | 4.5ft (1.4m) | 6s |
| Evening (18 Aug) | 4.5ft (1.3m) | 7s |
Table - waves today at St Ives Harbour Wall. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue night. Very mild (max 19°C on Tue morning, min 15°C on Thu night). Winds decreasing (fresh winds from the W on Wed night, light winds from the N by Thu night). | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WNW 6 | WNW 6 | W 6 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | W 6 | W 7 | W 8 | W 8 | W 9 | W 9 | W 9 | WNW 10 | WNW 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 165 | 165 | 161 | 148 | 152 | 143 | 156 | 243 | 254 | 265 | 315 | 200 | 366 | 475 | 593 | 694 | 726 | 705 | 681 | 602 | 469 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross |
High Tide | 9:22AM5.33m | 9:41PM5.22m | 10:01AM4.94m | 10:23PM4.75m | 10:47AM4.53m | ||||||||||||||||
Low Tide | 3:41PM0.93m | 4:02AM1.16m | 4:21PM1.36m | 4:43AM1.59m | 5:07PM1.77m | ||||||||||||||||
 | | |  |  |  | |  | |  | | |  | |  | | | | | |  | |
 | 6:13 | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:31 | — |
mm | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 17 | 16 |
Feels °C | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 13 | 12 | 13 | 12 | 11 | 12 | 12 | 12 | 13 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SW 17 | SW 17 | SSW 17 | WNW 7 | WNW 7 | WNW 9 | WNW 9 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 14 | SW 14 | WNW 10 | WNW 10 | W 10 |
| kJ | 28 | 28 | 11 | 12 | 29 | 143 | 156 | 243 | 254 | 24 | 24 | 39 | 38 | 36 | 21 | 21 | 21 | 33 | 681 | 602 | 469 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSW 17 | SSW 17 | SSW 16 | SSW 16 | — | — | — | SSW 16 | SSW 15 | SSW 15 | — | — | — | SW 14 | SW 14 | SW 14 |
| kJ | — | — | — | — | — | 29 | 28 | 26 | 24 | — | — | — | 48 | 22 | 21 | — | — | — | 33 | 33 | 32 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | W 6 | W 7 | W 7 | — | — | — | — | WNW 9 | WNW 10 | W 6 | W 7 | W 8 | W 8 | W 9 | W 9 | W 9 | — | — | — |
| kJ | 165 | 165 | 161 | 148 | 152 | — | — | — | — | 265 | 315 | 200 | 366 | 475 | 593 | 694 | 726 | 705 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 279 | 298 | 383 | 214 | 213 | 167 | 36 | 36 | 222 | 214 | 214 | 214 | 260 | 214 | 171 | 160 | 171 | 160 | 160 | 13 | 24 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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