Surf Forecasts:
Aberystwyth harbour trap surf forecast from 11 Aug 2026:
- Most powerful swell: Friday 14 Aug, 4AM (local time) - 2.5ft (0.7m), 5s period, WSW swell with 27 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 0.7m 5s and forecast to arrive on Friday (Aug 14) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Monday (Aug 17) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Fri 14th Aug) | 2.5ft (0.7m) 5s |
Table - best surf conditions forecast for Aberystwyth harbour trap over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming down the line for Aberystwyth harbour trap.
Right off the bat, I gotta be straight with you – this 16-day stretch is a tough one. We’re looking at a long, dry spell of tiny to nonexistent surf right through most of the first week and beyond. For days on end, the swell is just pathetic, mostly under 1 ft, and when the wind does get light, the swell is barely a ripple. The energy readings are in the single digits, which is about as weak as it gets. It’s not until Friday the 21st that we finally see a pulse of something worth getting wet for.
Let’s break it down. From Tuesday the 11th through to Thursday the 20th, it’s basically a write-off. You’ll see a few mornings with glassy conditions, like Wednesday the 12th and Tuesday the 18th, but the swell is a joke – 0.7 ft and 2 ft – so you’re just floating around. There’s a bit of a bump on Saturday the 15th with 2 ft from the NW, but the period is a short 4 seconds and the wind is cross-onshore, so it’s choppy and weak. Nothing doing.
The one and only standout here – and I mean the *only* one – is the morning of Friday the 21st of August. We get a clean, glassy start to the day with calm winds out of the SSE. The swell bumps up to a modest 4 ft from the west, with a period of 5 seconds. The combined energy hits 97 (moderate wave energy), and the wave comment says "surfable waves but very ordinary conditions." For this break, given the surrounding gloom, that’s a win. That 4 ft is a nice manageable size for most intermediates. The wind is glass – that’s a major positive, and you can expect clean surfaces. The crowd profile says 'sometimes', so you might have a few others with the same idea. This is your best bet by far.
After that, it falls apart again. The following days bring onshore winds and fading swell, with the weekend of the 22nd and 23rd serving up messy, blown-out conditions and then just tiny, long-period leftovers that won’t do much here.
So, to sum it up: the harbour trap has one reasonable morning on Friday the 21st. That’s it. The rest is a long, flat, or choppy slog.
Stay patient, lads.
Rusty
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 14°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
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 7 | W 6 | W 11 | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 5 | WSW 5 | WSW 5 | WSW 8 | NW 4 | NW 4 | NNW 4 | SW 7 | NNW 3 | W 7 | W 7 | W 7 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 1 | 3 | 8 | 9 | 16 | 16 | 9 | 25 | 8 | 8 | 6 | 14 | 11 | 2 | 2 | 3 | 1 | 1 | 1 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | off | glassy | on | glassy | on | on | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross-off | cross | cross-on | cross-off | cross-off | cross | cross-off |
High Tide | 7:24AM4.41m | 7:45PM4.83m | 8:12AM4.70m | 8:31PM5.14m | 8:55AM4.89m | 9:13PM5.33m | 9:36AM4.96m | 9:54PM5.37m | 10:15AM4.90m | 10:34PM5.26m | 10:55AM4.74m | 11:14PM5.02m | 11:34AM4.49m | 11:55PM4.67m | |||||||
Low Tide | 2:32PM1.02m | 3:05AM0.64m | 3:21PM0.76m | 3:51AM0.40m | 4:04PM0.58m | 4:32AM0.28m | 4:42PM0.51m | 5:10AM0.31m | 5:18PM0.55m | 5:45AM0.47m | 5:51PM0.70m | 6:18AM0.72m | 6:22PM0.93m | ||||||||
 | |  |  | |  | | | | | | | | | |  | | | | | | |
 | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 6:01 | — | — |
 | — | 8:50 | — | — | 8:47 | — | — | 8:45 | — | — | 8:44 | — | — | 8:42 | — | — | 8:39 | — | — | 8:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 23 | 20 | 28 | 27 | 20 | 22 | 21 | 17 | 18 | 19 | 16 | 18 | 18 | 15 | 16 | 17 | 13 | 21 | 22 | 16 |
Feels °C | 23 | 21 | 19 | 26 | 25 | 20 | 23 | 22 | 18 | 17 | 17 | 14 | 14 | 14 | 13 | 15 | 13 | 10 | 16 | 17 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 7 | W 6 | — | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 7 | W 9 | WSW 5 | WSW 5 | WSW 5 | WSW 8 | WSW 6 | SW 7 | SW 7 | SW 7 | NNW 3 | — | W 7 | — |
| kJ | 2 | 1 | — | 8 | 9 | 16 | 16 | 5 | 6 | 8 | 8 | 3 | 6 | 3 | 2 | 2 | 2 | 2 | — | 1 | — |
Swell 2 Height (m) Direction Period (s) | — | — | W 11 | W 6 | W 6 | — | — | WSW 9 | — | W 9 | NW 4 | NW 4 | — | SW 7 | — | — | — | — | W 7 | — | W 7 |
| kJ | — | — | 3 | 1 | 1 | — | — | 9 | — | 2 | 3 | 1 | — | 2 | — | — | — | — | 1 | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 8 | WSW 8 | — | — | — | — | — | W 7 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | 6 | — | — | — | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 3 | WSW 5 | NW 4 | — | — | NW 4 | NW 4 | NNW 4 | — | NNW 3 | — | — | NNW 2 | — |
| kJ | — | — | — | — | — | — | — | 1 | 25 | 4 | — | — | 14 | 11 | 1 | — | 3 | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 313 | 383 | 96 | 89 | 89 | 89 | 89 | 367 | 99 | 99 | 278 | 89 | 89 | 278 | 358 | 349 | 380 | 359 | 350 | 278 | 179 |
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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