Surf Forecasts:
Aberystwyth harbour trap surf forecast from 29 Aug 2026:
- Most powerful swell: Wednesday 2 Sep, 10PM (local time) - 6ft (1.9m), 7s period, WSW swell with 369 kJ wave energy.
Best Forecast Surf Conditions for Aberystwyth harbour trap this week:
The most powerful waves expected at Aberystwyth harbour trap in the next 16 days are 1.9m 7s and forecast to arrive on Wednesday (Sep 02) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Aug 29) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Wed 2nd Sep) | 6ft (1.9m) 7s |
Table - best surf conditions forecast for Aberystwyth harbour trap over the next 16 days.
The Lowdown
Right, let’s get into it for Aberystwyth harbour trap. It’s a reef break, fairly exposed, and the ideal swell is from the SW. Honestly, the outlook is rough – a whole lot of nothing for a long stretch. The first surfable moment is on Saturday, 29 August, but even that’s not worth getting wet.
The early days are weak and blown out. Saturday morning has a tiny 1ft swell from the WSW with a short 6-second period, and the wind is offshore from the east at 15 mph, but the energy is only 7 – practically nothing. The afternoon drops to 0.7ft. Sunday sees a slight improvement: 1ft in the morning with a 9-second period and a cross-offshore south breeze at 12 mph, keeping it clean, but energy is still low at 34. By Sunday afternoon the wind jumps to 18 mph from the SSW, the swell hits 3ft but period drops to 5 seconds, and it’s lumpy.
Monday, 31 August, brings more energy – 5ft from the WNW with a combined energy of 138 – but the wind is onshore from the NW at 21 mph, making a mess. That’s the pattern all through the first week: onshore or cross-onshore winds and short-period slop. The water temp is about average for this time of year.
The only session that doesn’t get a zero rating is Sunday morning, 6 September. You get a 3ft swell from the SW with a 7-second period, and the wind is light cross-offshore from the south at 6 mph. Energy is 94, and it’s described as “surfable but very ordinary.” It’ll be clean, but that’s about it. The afternoon goes downhill.
After that, there’s a long gap with no recommendations. Swell hits 6ft on Saturday, 5 September, with onshore wind and energy at 279 – moderate energy – but the quality is poor. Being a reef, those longer-period swells later in the second week, like the 10-second period on Friday, 11 September, could have better shape, but the winds are cross or cross-on, ruining it.
Bottom line: the only real chance for a clean surf is Sunday morning, 6 September. It’s inconsistent, the energy is weak, and nothing else stands out. For a beach break this might be kite-fodder, but this is a reef, so not really.
Rusty
Short Range ForecastModerate rain (total 16mm), heaviest on Sat morning. Very mild (max 18°C on Sun morning, min 12°C on Mon night). Winds increasing (light winds from the NNE on Sat afternoon, fresh winds from the WNW by Sun night). | Days 4-6 Weather SummaryHeavy rain (total 30mm), heaviest during Tue night. Very mild (max 19°C on Wed morning, min 14°C on Thu night). Winds increasing (light winds from the SSW on Tue morning, strong winds from the WSW by Thu night). | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 6 | WSW 6 | WSW 10 | WSW 9 | SW 4 | WSW 8 | NW 6 | W 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | SW 6 | WSW 7 | WSW 7 | WSW 5 | WSW 5 | W 5 | W 5 | WSW 6 | WSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 9 | 3 | 36 | 30 | 24 | 68 | 112 | 59 | 32 | 24 | 35 | 33 | 188 | 294 | 228 | 133 | 126 | 83 | 94 | 135 | 30 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross-on | cross-off | cross-off | cross-on | on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on |
High Tide | 9:37PM5.15m | 9:53AM4.90m | 10:10PM5.20m | 10:27AM4.91m | 10:45PM5.13m | 11:04AM4.81m | 11:25PM4.94m | 11:45AM4.61m | 00:08AM4.63m | 12:32PM4.34m | 1:01AM4.25m | 1:31PM4.03m | 2:08AM3.87m | ||||||||
Low Tide | 4:20PM0.71m | 4:45AM0.62m | 4:52PM0.67m | 5:17AM0.66m | 5:24PM0.73m | 5:48AM0.78m | 5:56PM0.88m | 6:21AM0.99m | 6:30PM1.09m | 6:57AM1.25m | 7:12PM1.36m | 7:43AM1.56m | 8:15PM1.65m | ||||||||
 |  |  |  |  | |  | |  | | |  | | | | | | | | | | |
 | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:31 | — | — |
 | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — | — | 7:58 | — |
mm | 5 | — | 2 | 2 | 3 | 4 | — | — | — | 1 | 2 | 17 | 3 | 2 | — | 1 | 1 | 3 | 2 | — | — |
Temp °C | 16 | 17 | 16 | 18 | 17 | 15 | 15 | 16 | 15 | 18 | 17 | 17 | 19 | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 15 |
Feels °C | 12 | 17 | 14 | 16 | 13 | 13 | 9 | 12 | 12 | 15 | 13 | 16 | 16 | 15 | 13 | 13 | 12 | 11 | 8 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 6 | WSW 6 | WNW 4 | WSW 9 | WSW 8 | — | WSW 9 | — | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | WSW 6 |
| kJ | 9 | 3 | 11 | 30 | 14 | — | 94 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 30 |
Swell 2 Height (m) Direction Period (s) | — | — | WSW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 |
| kJ | — | — | 36 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 2 | NE 2 | — | SW 3 | SW 4 | WSW 8 | NW 6 | W 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | SW 6 | WSW 7 | WSW 7 | WSW 5 | WSW 5 | W 5 | W 5 | WSW 6 | NW 4 |
| kJ | 1 | 1 | — | 4 | 24 | 68 | 112 | 59 | 32 | 24 | 35 | 33 | 188 | 294 | 228 | 133 | 126 | 83 | 94 | 135 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 312 | 210 | 50 | 138 | 383 | 487 | 399 | 50 | 98 | 222 | 222 | 333 | 344 | 347 | 278 | 419 | 997 | 484 | 553 | 459 | 98 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Aberystwyth harbour trap Surf forecast
The above surf forecast table for Aberystwyth harbour trap provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aberystwyth harbour trap can be found by selecting the local surf guide option on the grey menu. Our Aberystwyth harbour trap surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Aberystwyth harbour trap) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Aberystwyth harbour trap may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Mid Wales? If you are looking for accommodation near Aberystwyth harbour trap, camping, hotels and holiday cottages in Mid Wales, consider staying in Aberystwyth which is 5 km (3 miles) away. Other places in and around Mid Wales where you can find information about places to rent, and car hire include Trawscoed which is 15 km (9 miles) away, Aberporth, Porthmadog and Builth Wells.
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