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Surf Forecasts:
Aberystwyth harbour trap surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Sunday 31 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
14.4° C
(Which is 2.6°C warmer than normal for this time of year)How big are the waves at Aberystwyth harbour trap today (31 May):
- Morning surf: Morning surf (31 May, local time) - 1.5ft (0.4m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 2ft (0.6m), 12s period with WSW swell.
- Evening surf: Evening surf (31 May, local time) - 1.5ft (0.4m), 11s period with WSW swell.
The current surf forecast for Aberystwyth harbour trap at 9AM is: 0.4m 12s primary swell from a West-southwest direction and 0.5m 6s secondary swell from a West-southwest direction (forecast issued at 12:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 1.5ft (0.4m) | 12s |
| Afternoon (31 May) | 2ft (0.6m) | 12s |
| Evening (31 May) | 1.5ft (0.4m) | 11s |
Table - waves today at Aberystwyth harbour trap. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 36mm), heaviest during Mon night. Very mild (max 15°C on Mon afternoon, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | WSW 4 | WSW 4 | WSW 7 | WSW 8 | WSW 8 | WSW 9 | |
49 | 161 | 46 | 45 | 104 | 98 | 70 | 41 | 41 | 40 | 23 | 23 | 22 | 18 | 29 | 37 | 40 | 40 | 32 | 21 | 54 | 67 | 80 | 111 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | |
High Tide | 8:40AM4.50m | 8:56PM4.62m | 9:13AM4.46m | 9:29PM4.63m | 9:46AM4.37m | |||||||||||||||||||
Low Tide | 3:25AM1.15m | 3:38PM1.17m | 4:01AM1.10m | 4:12PM1.17m | 4:37AM1.09m | 4:46PM1.21m | ||||||||||||||||||
 |  |  | | |  |  |  | | | |  | | | |  |  | | |  | | | | | |
 | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:29 | — |
— | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 3 | 2 | 18 | 3 | — | 1 | 1 | 1 | — | — | — | |
Temp °C | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 |
11 | 10 | 11 | 10 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 13 | 13 | 13 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | — | WSW 12 | WSW 6 | WSW 12 | — | WSW 11 | WSW 11 | WSW 5 | WSW 5 | WSW 6 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | SW 6 | WSW 10 | WSW 10 | — | — | W 13 | — | — | — |
 kJ | 49 | — | 46 | 18 | 104 | — | 70 | 41 | 23 | 23 | 18 | 17 | 19 | 18 | 29 | 37 | 9 | 9 | — | — | 3 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | WSW 12 | — | — | — | — | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | W 14 | W 14 | — | — | — | — | — | — |
| kJ | — | — | — | 45 | — | — | — | — | 41 | 40 | 23 | 23 | 22 | 11 | 10 | 10 | 4 | 4 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 14 | W 14 | W 14 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 12 | WSW 5 | — | — | WSW 11 | WSW 4 | WSW 5 | — | — | S 2 | S 3 | S 3 | S 3 | S 3 | — | SW 6 | SW 6 | WSW 4 | WSW 4 | WSW 7 | WSW 8 | WSW 8 | WSW 9 |
| kJ | 7 | 161 | 18 | — | — | 98 | 5 | 19 | — | — | 1 | 4 | 5 | 3 | 1 | — | 40 | 40 | 32 | 21 | 54 | 67 | 80 | 111 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 93 | 157 | 50 | 50 | 236 | 236 | 20 | 20 | 14 | 138 | 109 | 138 | 138 | 164 | 340 | 98 | 43 | 220 | 50 | 50 | 278 | 252 | 50 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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