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The Knap Surf Forecast
/ Wales – South East (14 surf breaks) /
Surf Forecasts:
The Knap surfForecast / Wales – South East / UK
48hr Weather and Surf, issued 6 am Sunday 31 May 2026 BSTForecast update in hr min s Forecast update imminent
Today's The Knap sea temperature is
15.3° C
(Which is 3.2°C warmer than normal for this time of year)How big are the waves at The Knap today (31 May):
- Morning surf: Morning surf (31 May, local time) - 1.5ft (0.4m), 11s period with WSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 1.5ft (0.5m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 1.5ft (0.5m), 12s period with W swell.
The current surf forecast for The Knap at 10AM is: 0.4m 11s primary swell from a West-southwest direction (forecast issued at 06:00am May 31). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 1.5ft (0.4m) | 11s |
| Afternoon (31 May) | 1.5ft (0.5m) | 12s |
| Evening (31 May) | 1.5ft (0.5m) | 12s |
Table - waves today at The Knap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Mon night. Very mild (max 16°C on Mon morning, min 13°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 12 | WSW 11 | WSW 11 | W 11 | W 12 | W 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 11 | W 11 | W 10 | WSW 7 | W 7 | WSW 10 | W 10 | W 9 | W 5 | W 9 | W 9 | W 9 | |
45 | 40 | 40 | 64 | 68 | 66 | 43 | 43 | 41 | 40 | 40 | 23 | 20 | 9 | 8 | 15 | 16 | 31 | 30 | 42 | 15 | 55 | 39 | 40 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | on | cross-on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | |
High Tide | 7:34AM10.33m | 7:53PM10.58m | 8:10AM10.39m | 8:28PM10.65m | 8:45AM10.35m | 9:03PM10.60m | ||||||||||||||||||
Low Tide | 1:20AM2.15m | 1:35PM1.99m | 1:56AM1.98m | 2:10PM1.90m | 2:32AM1.92m | 2:46PM1.92m | ||||||||||||||||||
 |  | |  |  | | | | | |  | | | |  | |  | | | |  | |  |  | |
 | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | 5:01 |
 | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:19 | — | — | — | — | — | — | — | 9:20 | — | 9:21 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 4 | 2 | 1 | — | — | — | 1 | — | — | — | |
Temp °C | 14 | 14 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 14 | 13 | 13 |
11 | 11 | 11 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 11 | 14 | 14 | 14 | 11 | 15 | 12 | 12 | 10 | 10 | 10 | 9 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 11 | — | — | — | — | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 11 | W 6 | W 6 | WSW 7 | W 7 | WSW 10 | — | — | — | — | — | — |
 kJ | 45 | 40 | — | — | — | — | 43 | 43 | 41 | 40 | 40 | 23 | 20 | 7 | 7 | 15 | 16 | 31 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | W 10 | W 10 | W 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 8 | 8 | 8 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 11 | W 11 | W 12 | W 12 | — | — | — | — | — | — | — | — | SSW 3 | — | — | — | W 10 | W 9 | W 5 | W 9 | W 9 | W 9 |
| kJ | — | — | 40 | 64 | 68 | 66 | — | — | — | — | — | — | — | — | 1 | — | — | — | 30 | 42 | 15 | 55 | 39 | 40 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 103 | 171 | 171 | 141 | 127 | 126 | 85 | 85 | 39 | 39 | 25 | 39 | 208 | 39 | 85 | 118 | 53 | 61 | 171 | 180 | 617 | 78 | 78 | 127 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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