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Surf Forecasts:
Aberystwyth harbour trap surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Tuesday 12 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
12.0° C
(Which is 1.5°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 1.5ft (0.4m) | 3s |
| Afternoon (12 May) | 3ft (0.9m) | 4s |
| Evening (12 May) | 2ft (0.6m) | 3s |
Table - waves today at Aberystwyth harbour trap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Tue night. Very mild (max 11°C on Tue morning, min 7°C on Mon night). Winds increasing (calm on Mon night, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NW 4 | NNW 4 | — | WNW 3 | NW 4 | NW 5 | NW 5 | W 3 | WNW 5 | W 6 | WNW 6 | WNW 7 | WNW 7 | WNW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 5 | |
0 | 0 | 0 | 4 | 24 | 35 | 22 | 8 | 91 | 163 | 309 | 326 | 297 | 196 | 119 | 154 | 259 | 306 | 341 | 267 | 202 | 143 | 88 | 39 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | on | on | on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 4:51AM3.90m | 5:28PM3.80m | 5:49AM4.22m | 6:19PM4.17m | 6:38AM4.58m | 7:03PM4.55m | ||||||||||||||||||
Low Tide | 10:56PM1.78m | 11:41AM1.49m | 11:57PM1.55m | 12:36PM1.25m | 00:52AM1.29m | 1:27PM1.01m | ||||||||||||||||||
 |  |  |  | |  | | | |  |  | |  | | | |  | | | | | | | | |
 | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:02 | — |
— | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | |
Temp °C | 7 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 9 | 9 | 8 | 8 | 10 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 8 |
5 | 5 | 6 | 4 | 5 | 6 | 7 | 4 | 1 | 0 | -2 | -1 | 1 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 1 | 4 | 6 | 4 | |
Swell 1 Height (m) Direction Period (s) | NW 4 | NNW 4 | — | — | — | — | W 18 | NNW 5 | — | — | — | — | — | — | WSW 6 | WSW 6 | W 16 | W 16 | W 16 | W 16 | WSW 5 | W 15 | W 15 | W 5 |
 kJ | 4 | 1 | — | — | — | — | 6 | 9 | — | — | — | — | — | — | 33 | 13 | 5 | 5 | 5 | 5 | 8 | 4 | 4 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | — | — | — | — | W 15 | — | — | W 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | — | — | — | — | 4 | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 3 | NW 4 | NW 5 | NW 5 | W 3 | WNW 5 | W 6 | WNW 6 | WNW 7 | WNW 7 | WNW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 5 |
| kJ | — | — | — | 4 | 24 | 35 | 22 | 8 | 91 | 163 | 309 | 326 | 297 | 196 | 119 | 154 | 259 | 306 | 341 | 267 | 202 | 143 | 88 | 39 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 220 | 210 | 210 | 291 | 308 | 330 | 330 | 317 | 307 | 317 | 317 | 674 | 1268 | 714 | 684 | 530 | 251 | 530 | 530 | 287 | 284 | 334 | 268 | 97 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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