Surf Forecasts:
Aberystwyth harbour trap surf forecast from 26 Aug 2026:
- Best quality surf: Sunday 30 Aug, 7AM (local time) - 2ft (0.6m), 10s period, WSW swell with cross-offshore winds.
- Most powerful swell: Sunday 30 Aug, 1AM (local time) - 3.5ft (1.1m), 10s period, W swell with 219 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 7AM (local time) - 2ft (0.6m), 10s period with WSW swell.
Best Forecast Surf Conditions for Aberystwyth harbour trap this week:
The surf forecast for Aberystwyth harbour trap over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 7AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.5m and 5s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Aberystwyth harbour trap in the next 16 days are 1.1m 10s and forecast to arrive on Sunday (Aug 30) at 1AM. 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 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sun 30th Aug) | 2ft (0.6m) 10s |
| Best Surf | 7AM (Sun 30th Aug) | 2ft (0.6m) 10s |
| Most Powerful | 1AM (Sun 30th Aug) | 3.5ft (1.1m) 10s |
Table - best surf conditions forecast for Aberystwyth harbour trap over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on offer for the next couple of weeks. To be honest, it’s a bit of a grim run for the Aberystwyth harbour trap. We’ve got a solid 16-day window in front of us, but it's full of calm days and messy conditions. There’s a real lack of any proper swell for the first week, a few days with a bit of energy in the middle, and then it all goes quiet again. It’s the kind of period where you’d be checking the charts twice a day, hoping something changes.
For the first several days, right from Wednesday the 26th of August through to the end of the month, it’s a write-off. We’re talking flat or near-flat surf. On the 26th, the morning has just 0.3 ft of swell from the west with a short 8-second period, and the energy is barely there (1). The wind is offshore from the ESE, but with no wave to ride, it’s just a tease. The afternoon goes glassy but completely flat.
Thursday the 27th is much the same, 0.3 ft and poor. Friday the 28th sees a slight bump on the morning with 4 ft from the WSW, but it’s a short 6-second period and the wind is howling from the SW at 16 mph, making the poor surf conditions even worse. That afternoon drops off again.
Saturday the 29th morning has 3 ft and clean, but the wind is strong from the SSW at 16 mph. The afternoon gets messy with a 25 mph cross-onshore wind and a 5 ft swell. Energy is moderate (172) but the quality is terrible. Sunday the 30th is cleaner but small.
The first bit of anything interesting shows up on Monday the 31st of August, but the wind is onshore and it’s a poor 3 ft with a 5-second period. Nothing to get excited about there. Tuesday the 1st of September is another cross-shore, messy day. It’s not until Monday the 7th of September that we see some proper size. The morning delivers a 8 ft swell from the WSW with a 9-second period. The wave energy is very strong (1146), but the problem is the wind – a moderate cross-shore from the SSW at 19 mph. That’s going to chop it all up, and at 8 ft, that’s only for the experts. For a reef break, that big a swell with that wind is going to be a washing machine.
Everything after that drops back to tiny or poor conditions. The 8th, 9th and 10th of September are all back to under 3 ft or flat with poor winds. The water temperature is about average for the time of year here, nothing unusual to report. Overall, there’s no standout session in this forecast. The reef might offer a little shelter on the right swell, but it’s not going to happen this time. It’s a long, blank run.
Rusty
Short Range ForecastHeavy rain (total 45mm), heaviest during Thu afternoon. Warm (max 23°C on Wed morning, min 15°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 36mm), heaviest during Sun afternoon. Very mild (max 18°C on Sat morning, min 14°C on Sat night). Winds increasing (light winds from the S on Sat night, fresh winds from the W by Sun night). | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
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 8 | — | — | W 8 | — | W 7 | SW 4 | NW 5 | SW 5 | WSW 6 | SW 6 | W 10 | WSW 9 | SW 5 | WSW 8 | W 5 | WSW 9 | WSW 5 | WSW 6 | W 7 | W 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1 | 0 | 0 | 1 | 0 | 1 | 5 | 26 | 35 | 36 | 13 | 219 | 75 | 30 | 38 | 97 | 143 | 61 | 136 | 94 | 40 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-off | cross-off | cross | cross | on | cross-on | cross | cross-off | cross-on | cross-on | cross-off | cross | on | on | cross-on | cross | cross | cross-on | on |
High Tide | 8:04PM4.49m | 8:22AM4.37m | 8:35PM4.77m | 8:51AM4.61m | 9:05PM5.00m | 9:21AM4.79m | 9:37PM5.15m | 9:53AM4.90m | 10:10PM5.20m | 10:27AM4.91m | 10:45PM5.13m | 11:04AM4.81m | 11:25PM4.94m | ||||||||
Low Tide | 2:37PM1.27m | 3:04AM1.00m | 3:13PM1.02m | 3:39AM0.79m | 3:47PM0.83m | 4:12AM0.66m | 4:20PM0.71m | 4:45AM0.62m | 4:52PM0.67m | 5:17AM0.66m | 5:24PM0.73m | 5:48AM0.78m | 5:56PM0.88m | ||||||||
 |  |  |  |  |  | |  | |  | | | | |  | | | | | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — |
 | — | 8:19 | — | — | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — | — | 8:05 | — |
mm | — | 1 | 1 | 4 | 22 | 12 | 1 | 1 | 3 | 6 | 3 | 1 | 4 | 11 | 8 | — | — | 3 | 11 | 6 | 2 |
Temp °C | 23 | 23 | 20 | 18 | 17 | 16 | 17 | 18 | 17 | 18 | 18 | 16 | 17 | 16 | 15 | 15 | 16 | 15 | 16 | 18 | 16 |
Feels °C | 22 | 24 | 20 | 19 | 17 | 15 | 15 | 16 | 15 | 16 | 14 | 11 | 14 | 13 | 10 | 10 | 11 | 11 | 12 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | W 8 | — | — | W 8 | — | W 7 | NW 5 | SW 6 | NW 4 | WSW 6 | SW 4 | — | WSW 9 | WSW 9 | WSW 8 | — | NW 5 | W 10 | — | — | — |
| kJ | 1 | — | — | 1 | — | 1 | 3 | 1 | 1 | 36 | 13 | — | 75 | 8 | 38 | — | 14 | 2 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 6 | — | — | — | SW 6 | — | NW 4 | NW 4 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | — | — | — | 9 | — | 5 | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 3 | — | — | ENE 2 | — | S 2 | SW 4 | NW 5 | SW 5 | SSE 3 | — | W 10 | — | SW 5 | SW 4 | W 5 | WSW 9 | WSW 5 | WSW 6 | W 7 | W 4 |
| kJ | 2 | — | — | 1 | — | 1 | 5 | 26 | 35 | 3 | — | 219 | — | 30 | 21 | 97 | 143 | 61 | 136 | 94 | 40 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 96 | 164 | 380 | 358 | 269 | 269 | 26 | 210 | 50 | 330 | 359 | 141 | 141 | 20 | 278 | 98 | 459 | 252 | 20 | 204 | 222 |
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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