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Surf Forecasts:
Aberystwyth harbour trap surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Tuesday 19 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
12.2° C
(Which is 1.2°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 8AM is: 1.0m 8s primary swell from a Southwest direction (forecast issued at 12:00am May 19). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 3.5ft (1.0m) | 8s |
| Afternoon (19 May) | 4.5ft (1.3m) | 5s |
| Evening (19 May) | 5ft (1.6m) | 7s |
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 19mm), heaviest on Mon night. Very mild (max 18°C on Thu afternoon, min 11°C on Mon night). Winds decreasing (strong winds from the SW on Tue night, light winds from the SSW by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WSW 6 | WSW 7 | SSW 8 | SW 8 | SW 8 | SW 5 | SW 8 | SW 6 | WSW 8 | WSW 9 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | WSW 5 | WSW 9 | WSW 6 | WSW 7 | SW 7 | SW 8 | WSW 8 | WSW 9 | |
24 | 30 | 98 | 113 | 159 | 87 | 238 | 245 | 488 | 426 | 168 | 181 | 126 | 107 | 69 | 36 | 31 | 68 | 35 | 41 | 54 | 60 | 28 | 45 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | |
High Tide | 10:15AM5.02m | 10:37PM5.10m | 11:03AM4.71m | 11:25PM4.84m | 11:56AM4.34m | |||||||||||||||||||
Low Tide | 5:07AM0.58m | 5:26PM0.79m | 5:55AM0.68m | 6:12PM0.99m | 6:46AM0.86m | 7:01PM1.23m | ||||||||||||||||||
 | |  | |  | | | | |  | | |  |  |  |  |  |  | | | | | | | |
 | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | — | — | 9:13 | — |
1 | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 13 | 13 | 13 | 14 | 12 | 12 | 11 | 12 | 11 | 12 | 14 | 14 | 14 | 12 | 12 | 13 | 14 | 16 | 17 | 18 | 18 | 17 |
5 | 8 | 8 | 8 | 8 | 7 | 5 | 5 | 4 | 6 | 5 | 6 | 8 | 9 | 10 | 9 | 9 | 9 | 11 | 13 | 14 | 15 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 9 | WSW 5 | WSW 9 | WSW 6 | WSW 7 | — | — | WSW 8 | WSW 9 |
 kJ | 24 | 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | 30 | 31 | 68 | 35 | 41 | — | — | 28 | 45 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 12 | WSW 12 | WSW 11 | W 11 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 27 | 13 | 13 | 10 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | S 4 | SSW 8 | SW 8 | SW 8 | SW 5 | SW 8 | SW 6 | WSW 8 | WSW 9 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | S 3 | S 3 | S 3 | S 3 | SW 7 | SW 8 | WSW 4 | — |
| kJ | 9 | 9 | 98 | 113 | 159 | 87 | 238 | 245 | 488 | 426 | 168 | 181 | 126 | 107 | 69 | 36 | 1 | 3 | 1 | 1 | 54 | 60 | 7 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 358 | 358 | 347 | 383 | 369 | 369 | 313 | 314 | 314 | 236 | 236 | 349 | 349 | 332 | 222 | 20 | 20 | 164 | 164 | 109 | 95 | 99 | 20 | 43 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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