Surf Forecasts:
Aberystwyth harbour trap surf forecast from 5 Aug 2026:
- Most powerful swell: Thursday 6 Aug, 7AM (local time) - 3.5ft (1.1m), 5s period, WNW swell with 59 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 1.1m 5s and forecast to arrive on Thursday (Aug 06) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 5s period and expected on Thursday (Aug 06) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Thu 6th Aug) | 3.5ft (1.1m) 5s |
Table - best surf conditions forecast for Aberystwyth harbour trap over the next 16 days.
The Lowdown
Alright folks, let’s be honest about what’s coming for Aberystwyth harbour trap – it’s a desert out there. Over this 16-day stretch, there are absolutely no good waves on offer. The first read is on Wednesday the 5th of August, and it’s a non-starter straight away.
From Wednesday the 5th of August all the way through to Sunday the 16th of August, it’s a repeat of poor conditions. The swell is tiny or flat, the wind is mostly onshore or cross-onshore, and the energy is next to nothing. We get a 3ft wave from the west on Wednesday morning the 5th, but it’s paired with a 25 km/h onshore wind and a short 5-second period, giving a combined energy of just 42. That’s blown-out garbage.
Thursday the 6th is the same story: a 2ft wave with onshore wind. Saturday the 8th offers a 2ft wave from the west-southwest, but the wind is a gentle 15 km/h cross-onshore, leaving it choppy with a combined energy of 13.
We see some glassy mornings on Tuesday the 11th, Wednesday the 12th, and Thursday the 13th of August, but with waves under 0.7ft, it’s completely flat. It’s calm, but there’s nothing to ride.
The biggest pulse comes on Sunday the 16th of August, with a 5ft swell from the northwest at 6 seconds, giving a moderate combined energy of 159. But it’s blown sideways by a 25 km/h cross-onshore wind from the west-southwest. Choppy and ugly. Then Tuesday the 18th of August tops it with a 6ft swell from the west-southwest at 7 seconds, and a combined energy of 295. Again, the wind is onshore or cross-onshore at 25 km/h, smashing the shape. That’s way too big for a beginner with that wind – that’s expert territory for sure.
This spot is a reef that breaks rarely, and this run just confirms it. For 16 days there’s zip. It’s a long, hard wait. Don’t get your hopes up; this is one of those blank runs that feels normal for this area. Better to save the petrol and check back next week.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Tue night. Very mild (max 18°C on Fri morning, min 12°C on Thu night). Winds decreasing (fresh winds from the WNW on Wed night, light winds from the S by Thu night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sat night. Very mild (max 19°C on Sat morning, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
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) | W 5 | W 5 | WNW 4 | WNW 5 | NW 5 | WSW 4 | SW 4 | WSW 4 | WSW 4 | W 11 | WSW 4 | WSW 5 | WSW 7 | WSW 6 | WSW 4 | WSW 5 | WSW 4 | WSW 5 | WSW 5 | WSW 5 | W 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 42 | 48 | 46 | 49 | 11 | 10 | 5 | 2 | 3 | 3 | 10 | 26 | 17 | 14 | 21 | 15 | 13 | 4 | 2 | 2 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | on | on | cross-off | cross | on | cross-off | cross | cross-on | cross-off | on | on | cross | on | cross-on | off | glassy | cross-on | off |
High Tide | 1:00PM4.14m | 1:28AM4.26m | 1:59PM3.94m | 2:32AM4.00m | 3:11PM3.80m | 3:52AM3.83m | 4:35PM3.82m | 5:16AM3.87m | 5:52PM4.07m | 6:28AM4.11m | 6:54PM4.44m | 7:24AM4.41m | 7:45PM4.83m | ||||||||
Low Tide | 7:28AM1.22m | 7:35PM1.35m | 8:14AM1.43m | 8:30PM1.55m | 9:18AM1.62m | 9:55PM1.69m | 10:48AM1.69m | 11:39PM1.63m | 12:21PM1.58m | 1:06AM1.35m | 1:34PM1.32m | 2:11AM0.98m | 2:32PM1.02m | 3:05AM0.64m | |||||||
 | |  |  |  |  | | | | | |  | | |  | | |  | | | | |
 | 5:41 | — | — | 5:43 | — | — | 5:43 | — | — | 5:46 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — |
 | — | — | 9:01 | — | — | 9:00 | — | 8:58 | — | — | 8:55 | — | — | 8:53 | — | — | 8:52 | — | — | 8:50 | — |
mm | 2 | 2 | 1 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 15 | 14 | 15 | 14 | 18 | 17 | 14 | 19 | 19 | 16 | 17 | 17 | 16 | 17 | 17 | 16 | 20 | 20 | 18 |
Feels °C | 10 | 12 | 12 | 10 | 13 | 12 | 16 | 14 | 14 | 17 | 16 | 15 | 16 | 16 | 16 | 16 | 15 | 16 | 19 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | NW 5 | NW 4 | — | — | WSW 4 | WSW 3 | SW 8 | — | WSW 7 | NW 4 | — | NW 4 | NW 4 | WSW 5 | WSW 5 | WSW 5 | — |
| kJ | — | — | — | — | 11 | 1 | — | — | 3 | 1 | 3 | — | 17 | 2 | — | 4 | 1 | 4 | 2 | 2 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — | — | — | — | — | — | W 6 | W 6 |
| kJ | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | WNW 4 | WNW 5 | WSW 5 | WSW 4 | SW 4 | WSW 4 | — | — | WSW 4 | WSW 5 | NW 4 | WSW 6 | WSW 4 | WSW 5 | WSW 4 | — | — | — | — |
| kJ | 42 | 48 | 46 | 49 | 10 | 10 | 5 | 2 | — | — | 10 | 26 | 5 | 14 | 21 | 15 | 13 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 459 | 419 | 496 | 330 | 310 | 308 | 307 | 307 | 307 | 286 | 349 | 100 | 291 | 333 | 278 | 278 | 278 | 278 | 344 | 278 | 278 |
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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