Surf Forecasts:
How big are the waves at The Breakwater-St Ives 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 WNW swell.
- Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.3m), 7s period with W swell.
The current surf forecast for The Breakwater-St Ives at 2PM is: 1.4m 6s primary swell from a West-northwest direction (forecast issued at 06:00am August 18). An open ocean swell of 0.2m 17s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| 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 The Breakwater-St Ives. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Very mild (max 19°C on Tue morning, min 14°C on Thu night). Winds decreasing (fresh winds from the WNW on Wed night, light winds from the NNW by Thu night). | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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) | W 6 | W 6 | W 6 | WNW 6 | WNW 6 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 9 | WNW 9 | W 9 | WNW 9 | W 6 | W 7 | W 8 | W 8 | W 9 | W 9 | W 9 | WNW 9 | WNW 9 | W 9 |
Wave Graph | |||||||||||||||||||||||
156 | 188 | 188 | 165 | 165 | 148 | 157 | 161 | 171 | 276 | 295 | 300 | 355 | 206 | 366 | 496 | 603 | 694 | 710 | 690 | 653 | 528 | 397 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross | cross | cross | cross | cross | cross-off | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:22AM5.33m | 9:41PM5.22m | 10:01AM4.94m | 10:23PM4.75m | 10:47AM4.53m | ||||||||||||||||||
Low Tide | 3:26AM0.72m | 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 | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 16 |
Feels °C | 17 | 17 | 16 | 14 | 15 | 15 | 14 | 15 | 13 | 15 | 16 | 13 | 12 | 13 | 12 | 12 | 12 | 11 | 13 | 13 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 17 | SSW 17 | SW 17 | SW 17 | SSW 17 | WNW 7 | SSW 17 | WNW 9 | WNW 9 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 14 | W 9 | WNW 9 | WNW 9 | W 9 |
10 | 11 | 28 | 28 | 11 | 12 | 29 | 161 | 28 | 276 | 295 | 24 | 24 | 39 | 38 | 36 | 21 | 21 | 21 | 690 | 653 | 528 | 397 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 17 | SSW 17 | SSW 16 | SSW 16 | — | — | — | SSW 16 | SSW 15 | — | — | — | SSW 14 | SW 14 | SW 14 | SW 14 |
— | — | — | — | — | — | — | 29 | 27 | 26 | 24 | — | — | — | 24 | 22 | — | — | — | 21 | 33 | 33 | 32 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WNW 6 | WNW 6 | W 7 | WNW 7 | — | WNW 7 | — | — | W 9 | WNW 9 | W 6 | W 7 | W 8 | W 8 | W 9 | W 9 | — | — | — | N 4 |
156 | 188 | 188 | 165 | 165 | 148 | 157 | — | 171 | — | — | 300 | 355 | 206 | 366 | 496 | 603 | 694 | 710 | — | — | — | 6 | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 215 | 159 | 280 | 383 | 383 | 215 | 215 | 170 | 35 | 170 | 171 | 215 | 215 | 260 | 273 | 214 | 164 | 159 | 159 | 159 | 170 | 14 | 10 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













