Surf Forecasts:
How big are the waves at The Breakwater-St Ives today (18 Aug):
- 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 The Breakwater-St Ives at 10PM is: 1.3m 7s primary swell from a West direction (forecast issued at 06:00pm 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) | - | - |
| 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 ForecastModerate rain (total 12mm), heaviest on Thu night. Very mild (max 18°C on Tue afternoon, min 15°C on Thu night). Winds decreasing (fresh winds from the WNW on Wed night, light winds from the NNE by Thu night). | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 7 | W 7 | W 7 | WNW 7 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | W 6 | W 7 | W 8 | W 9 | W 9 | WNW 9 | WNW 9 | WNW 9 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 161 | 148 | 152 | 161 | 171 | 276 | 254 | 265 | 363 | 213 | 376 | 501 | 715 | 846 | 880 | 790 | 653 | 589 | 470 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 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 | ||||||||||||||
 |  |  | |  |  |  | | | |  |  | | | | | | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | 8:36 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:31 | — |
mm | — | — | — | — | 1 | 1 | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 17 | 16 |
Feels °C | 14 | 15 | 16 | 14 | 15 | 15 | 15 | 13 | 12 | 13 | 12 | 12 | 11 | 12 | 12 | 12 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 17 | WNW 9 | WNW 9 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 14 | WNW 9 | WNW 9 | W 10 | W 10 |
| kJ | 11 | 12 | 29 | 29 | 28 | 276 | 254 | 24 | 24 | 39 | 38 | 36 | 21 | 21 | 21 | 790 | 653 | 589 | 470 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SSW 17 | SSW 16 | SSW 16 | — | — | — | — | — | — | — | — | SW 14 | SW 14 | SW 14 | N 5 |
| kJ | — | — | — | — | 27 | 26 | 24 | — | — | — | — | — | — | — | — | 33 | 33 | 33 | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 32 |
Wind waves Height (m) Direction Period (s) | W 6 | W 7 | W 7 | W 7 | WNW 7 | — | — | WNW 9 | WNW 10 | W 6 | W 7 | W 8 | W 9 | W 9 | WNW 9 | — | — | N 5 | N 5 |
| kJ | 161 | 148 | 152 | 161 | 171 | — | — | 265 | 363 | 213 | 376 | 501 | 715 | 846 | 880 | — | — | 7 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 383 | 215 | 214 | 165 | 170 | 171 | 99 | 214 | 215 | 215 | 214 | 214 | 214 | 159 | 164 | 170 | 24 | 14 | 14 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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