Surf Forecasts:
How big are the waves at The Knap today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 0.5ft (0.2m), 11s period with WSW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 1ft (0.3m), 10s period with WSW swell.
- Evening surf: Evening surf (30 Sep, local time) - 1.5ft (0.4m), 10s period with WSW swell.
The current surf forecast for The Knap at 3PM is: 0.3m 10s primary swell from a West-southwest direction and 0.3m 4s secondary swell from a South-southwest direction (forecast issued at 12:00pm September 30). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 0.5ft (0.2m) | 11s |
| Afternoon (30 Sep) | 1ft (0.3m) | 10s |
| Evening (30 Sep) | 1.5ft (0.4m) | 10s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 20°C on Wed morning, min 14°C on Wed night). Mainly fresh winds. | |||||||||||||||||||||
Wed 30 | Thursday 1 | Friday 2 | |||||||||||||||||||
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) | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | W 9 | W 14 | W 14 | W 14 | W 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 10 | W 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 23 | 20 | 39 | 32 | 28 | 14 | 15 | 96 | 94 | 92 | 57 | 55 | 47 | 46 | 33 | 30 | 31 | 31 | 30 | 29 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 9:42AM11.74m | 10:01PM11.55m | 10:21AM11.24m | 10:43PM10.83m | 11:05AM10.50m | ||||||||||||||||
Low Tide | 3:43PM0.86m | 4:02AM1.11m | 4:21PM1.41m | 4:41AM1.80m | 5:05PM2.18m | ||||||||||||||||
 | |  |  |  |  |  |  | | |  | | | | | | | | | | | |
 | 7:11 | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — |
 | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:50 | — | — |
mm | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 20 | 20 | 17 | 15 | 14 | 14 | 14 | 14 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 19 | 20 | 18 | 16 |
Feels °C | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 13 | 12 | 13 | 12 | 12 | 12 | 16 | 16 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | W 9 | W 7 | W 14 | W 14 | W 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 10 | W 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 |
| kJ | 12 | 23 | 20 | 39 | 32 | 28 | 14 | 8 | 96 | 94 | 92 | 57 | 55 | 47 | 46 | 33 | 30 | 31 | 31 | 30 | 29 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SW 11 | WSW 11 | WSW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 5 | 11 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | SSW 3 | SSW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 210 | 208 | 208 | 39 | 116 | 85 | 53 | 53 | 78 | 127 | 153 | 153 | 39 | 39 | 39 | 39 | 39 | 153 | 153 | 85 | 39 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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