Surf Forecasts:
How big are the waves at St Ives Harbour Wall today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 6ft (1.9m), 12s period with W swell.
- Evening surf: Evening surf (18 Sep, local time) - 6ft (1.9m), 7s period with W swell.
The current surf forecast for St Ives Harbour Wall at 4AM is: 2.2m 13s primary swell from a West-northwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 12:00am September 18). An open ocean swell of 0.1m 18s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 6ft (1.9m) | 13s |
| Afternoon (18 Sep) | 6ft (1.9m) | 12s |
| Evening (18 Sep) | 6ft (1.9m) | 7s |
Table - waves today at St Ives Harbour Wall. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 18°C on Fri night, min 15°C on Thu night). Winds decreasing (fresh winds from the SW on Fri afternoon, calm by Sun afternoon). | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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 | 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 11 | WNW 13 | WNW 13 | WNW 13 | W 13 | W 12 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1211 | 1581 | 1430 | 1249 | 1191 | 1190 | 330 | 413 | 488 | 491 | 491 | 513 | 1109 | 1107 | 1009 | 915 | 828 | 663 | 606 | 543 | 475 | 475 | 410 | 351 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross | glassy | glassy | glassy |
High Tide | 9:59AM4.57m | 10:25PM4.26m | 10:54AM4.16m | 11:36PM3.89m | 12:25PM3.91m | |||||||||||||||||||
Low Tide | 3:54AM1.64m | 4:22PM1.80m | 4:44AM2.04m | 5:26PM2.16m | 6:03AM2.32m | 7:05PM2.31m | ||||||||||||||||||
 |  | |  | | |  | | |  | | | | | | | |  | | | | | | | |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 18 | 17 | 16 | 17 | 17 | 18 | 17 | 17 | 17 | 16 | 15 | 15 | 16 | 17 | 17 | 17 |
Feels °C | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 14 | 13 | 12 | 13 | 13 | 16 | 16 | 17 | 18 | 16 | 15 | 15 | 16 | 17 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | S 13 | SW 13 | WNW 13 | SW 12 | N 5 | S 17 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | SW 16 | SW 15 | SW 15 | SW 14 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 3 | 6 | 1430 | 6 | 4 | 6 | 258 | 206 | 158 | 145 | 173 | 265 | 10 | 9 | 8 | 8 | 828 | 663 | 606 | 543 | 475 | 475 | 410 | 351 |
Swell 2 Height (m) Direction Period (s) | — | S 18 | SW 12 | S 18 | SW 12 | S 15 | SW 15 | S 16 | S 16 | SW 16 | SW 16 | SW 16 | S 12 | S 11 | S 11 | S 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | N 4 |
| kJ | — | 6 | 6 | 6 | 6 | 4 | 9 | 5 | 5 | 10 | 10 | 10 | 3 | 2 | 2 | 2 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 1 |
Swell 3 Height (m) Direction Period (s) | — | S 18 | S 18 | S 18 | S 18 | S 18 | S 12 | S 12 | S 12 | S 12 | SW 12 | S 12 | — | — | — | — | — | — | — | — | — | — | — | SW 13 |
| kJ | — | 6 | 6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — | 7 |
Wind waves Height (m) Direction Period (s) | WNW 11 | WNW 13 | — | WNW 13 | W 13 | W 12 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 11 | W 11 | W 11 | W 11 | — | — | — | — | — | — | — | — |
| kJ | 1211 | 1581 | — | 1249 | 1191 | 1190 | 330 | 413 | 488 | 491 | 491 | 513 | 1109 | 1107 | 1009 | 915 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 175 | 214 | 213 | 213 | 224 | 224 | 224 | 213 | 213 | 213 | 213 | 214 | 224 | 224 | 0 | 0 | 0 | 13 | 10 | 10 | 13 | 0 | 0 | 0 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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