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Surf Forecasts:
Aberystwyth harbour trap surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm Wednesday 13 May 2026 BSTForecast update in hr min s Forecast update imminent
Aberystwyth harbour trap surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aberystwyth harbour trap sea temperature is
12.3° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Aberystwyth harbour trap today?
The current surf forecast for Aberystwyth harbour trap at 6PM is: 1.4m 6s primary swell from a Northwest direction and 0.5m 7s secondary swell from a West-southwest direction, 0.1m 16s secondary swell from a West direction (forecast issued at 12:00pm May 13). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 6ft (1.9m) | 6s |
| Afternoon (13 May) | 5.5ft (1.7m) | 6s |
| Evening (13 May) | 4.5ft (1.4m) | 6s |
Table - waves today at Aberystwyth harbour trap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Wed morning. Very mild (max 11°C on Wed afternoon, min 7°C on Thu night). Winds decreasing (strong winds from the WNW on Wed morning, calm by Fri night). | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 7 | WNW 7 | NW 6 | NW 6 | NNW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | NW 5 | NW 5 | NW 4 | W 6 | W 6 | W 6 | |
302 | 261 | 176 | 129 | 119 | 247 | 327 | 309 | 255 | 196 | 182 | 92 | 44 | 34 | 78 | 104 | 52 | 66 | 106 | 55 | 20 | 1 | 1 | 1 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | |
High Tide | 6:19PM4.17m | 6:38AM4.58m | 7:03PM4.55m | 7:23AM4.90m | 7:46PM4.89m | |||||||||||||||||||
Low Tide | 12:36PM1.25m | 00:52AM1.29m | 1:27PM1.01m | 1:45AM1.04m | 2:17PM0.82m | 2:38AM0.83m | ||||||||||||||||||
 |  | | |  |  |  |  | | | | | | | |  | | | | | | |  | | |
 | 5:24 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — |
 | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | 9:06 |
1 | 1 | 1 | 1 | — | 1 | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 10 | 11 | 10 | 9 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 8 | 7 | 7 | 7 | 10 | 10 | 10 | 9 | 8 | 7 | 7 | 7 |
-1 | 1 | 3 | 2 | 2 | 0 | -1 | 2 | 1 | 1 | 3 | 5 | 4 | 4 | 2 | 3 | 4 | 2 | 1 | 1 | 4 | 4 | 5 | 4 | |
Swell 1 Height (m) Direction Period (s) | — | — | W 16 | WSW 7 | WSW 6 | WSW 6 | W 16 | W 16 | W 16 | W 15 | W 15 | W 15 | W 5 | W 5 | — | W 14 | W 14 | W 14 | W 14 | — | W 6 | NNW 4 | NW 5 | NNW 5 |
 kJ | — | — | 5 | 26 | 13 | 8 | 5 | 5 | 5 | 4 | 4 | 4 | 2 | 2 | — | 4 | 4 | 4 | 4 | — | 1 | 6 | 7 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 16 | W 16 | W 16 | — | — | — | — | — | — | W 15 | W 15 | W 14 | — | — | — | — | — | — | W 6 | W 6 | W 6 |
| kJ | — | — | — | 5 | 5 | 5 | — | — | — | — | — | — | 4 | 4 | 4 | — | — | — | — | — | — | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 7 | WNW 7 | NW 6 | NW 6 | NNW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | NW 5 | NW 5 | NW 4 | — | — | — |
| kJ | 302 | 261 | 176 | 129 | 119 | 247 | 327 | 309 | 255 | 196 | 182 | 92 | 44 | 34 | 78 | 104 | 52 | 66 | 106 | 55 | 20 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 673 | 598 | 598 | 598 | 530 | 251 | 588 | 251 | 252 | 1233 | 1253 | 334 | 97 | 96 | 324 | 30 | 324 | 324 | 334 | 324 | 98 | 98 | 217 | 253 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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