Surf Forecasts:
Whistling Sands (Porth Oer) surf forecast from 26 Jul 2026:
- Best quality surf: Saturday 1 Aug, 4PM (local time) - 4ft (1.2m), 6s period, SW swell with glassy winds.
- Most powerful swell: Sunday 2 Aug, 4AM (local time) - 5ft (1.5m), 7s period, SW swell with 198 kJ wave energy.
- Next surfable swell (1★+): Saturday 1 Aug, 4PM (local time) - 4ft (1.2m), 6s period with SW swell.
Best Forecast Surf Conditions for Whistling Sands (Porth Oer) this week:
The surf forecast for Whistling Sands (Porth Oer) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 01) at 4PM. The primary swell is predicted to be 1.2m and 6s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Whistling Sands (Porth Oer) in the next 16 days are 1.5m 7s and forecast to arrive on Sunday (Aug 02) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Sunday (Aug 02) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Sat 1st Aug) | 4ft (1.2m) 6s |
| Best Surf | 4PM (Sat 1st Aug) | 4ft (1.2m) 6s |
| Most Powerful | 4AM (Sun 2nd Aug) | 5ft (1.5m) 7s |
Table - best surf conditions forecast for Whistling Sands (Porth Oer) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you: the next couple of weeks are looking pretty grim for a paddle around here. We’ve got a long stretch of flat, wind-affected, and generally forgettable conditions, so don’t hold your breath for any heroics. Let’s break it down.
Looking at the whole 16-day picture, it’s a tough one. There’s a big gap of nothing worth mentioning from now until the start of August. The 26th of July through to the morning of the 1st of August is all poor surf – wind is cross-on or onshore, the swell is tiny, and the energy is weak. You’d be better off cleaning the wax off your board than paddling out.
The first real glimmer of hope comes on Saturday afternoon, 1st August. Now, this isn’t a classic, but it’s the best we’ve got. Whistling Sands (Porth Oer) will see a bump to 4ft of swell from the SW, with a period of 6 seconds. The combined energy hits 106 (moderate), which is at least enough to get you a few crumbly ones. The wind goes glassy, which is a big positive – it’ll be clean. But don’t get too excited; the break is sheltered and inconsistent, and the optimum swell direction is SW, so it’s not a total mismatch. The crowd factor is “sometimes,” so you might have company, but for a break that rarely sees proper surf, this is a rare little window. Water temp is about average for the time of year, nothing unusual.
The rest of the run is a dead loss. The 2nd August has a bit of knee-high swell but gets chopped up by a cross-onshore breeze. After that, it’s back to small, wind-blown junk with strong winds kicking up on the 4th and 5th of August. By the 5th, we’re looking at 4ft of swell but with a near gale cross-onshore – that’s kite-surfing territory, not for your longboard. The 6th and 7th are a write-off, and the final days drop off to almost nothing. Honestly, if you miss that Saturday afternoon window, you’re waiting for a miracle.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Mon night, min 14°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat night, light winds from the SW by Mon night). | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Wed morning, min 13°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 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 5 | NW 6 | WNW 5 | WSW 4 | SW 4 | SW 6 | SW 5 | SW 4 | SW 4 | WSW 4 | SW 4 | WSW 5 | W 5 | SW 4 | SW 5 | SW 6 | SW 5 | SW 4 | SW 4 | SW 6 | SSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 131 | 69 | 46 | 21 | 31 | 54 | 40 | 16 | 4 | 1 | 1 | 46 | 32 | 13 | 14 | 8 | 4 | 2 | 1 | 106 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-off | cross | cross-on | on | cross-on | glassy | glassy | on | glassy | glassy |
High Tide | 7:05AM2.95m | 7:29PM3.16m | 7:52AM3.10m | 8:12PM3.37m | 8:32AM3.26m | 8:49PM3.59m | 9:07AM3.41m | 9:24PM3.79m | 9:40AM3.52m | 9:56PM3.95m | 10:12AM3.60m | 10:28PM4.05m | 10:45AM3.65m | 11:01PM4.09m | |||||||
Low Tide | 1:59PM1.16m | 2:29AM1.01m | 2:42PM0.97m | 3:09AM0.80m | 3:19PM0.77m | 3:46AM0.61m | 3:53PM0.60m | 4:21AM0.46m | 4:26PM0.49m | 4:56AM0.36m | 5:00PM0.43m | 5:30AM0.33m | 5:33PM0.45m | ||||||||
 | |  | | |  |  | |  |  | | | | | | | | | | | | |
 | 5:26 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — |
 | — | — | 9:22 | — | — | 9:21 | — | — | 9:19 | — | — | 9:17 | — | — | 9:15 | — | — | 9:14 | — | — | 9:13 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 17 | 16 | 19 | 20 | 18 | 19 | 18 | 20 | 20 | 19 | 17 | 18 | 18 | 14 | 15 | 16 | 15 | 16 | 16 |
Feels °C | 9 | 13 | 13 | 12 | 17 | 19 | 15 | 17 | 16 | 20 | 19 | 17 | 15 | 15 | 13 | 13 | 14 | 14 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | — | SW 6 | — | NNW 5 | NNW 5 | SW 6 | — | — | SW 4 | WSW 4 | SW 4 | SW 5 | — | NNW 4 | SW 5 | NW 4 | SW 5 | SW 4 | — | — | — |
| kJ | — | 40 | — | 14 | 2 | 54 | — | — | 4 | 1 | 1 | 33 | — | 1 | 14 | 5 | 4 | 2 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 6 | NNW 3 | — | SW 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 1 | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | NW 6 | WNW 5 | WSW 4 | SW 4 | — | SW 5 | SW 4 | — | — | — | WSW 5 | W 5 | SW 4 | NW 4 | — | — | — | S 3 | SW 6 | SSW 6 |
| kJ | 131 | 69 | 46 | 21 | 31 | — | 40 | 16 | — | — | — | 46 | 32 | 13 | 2 | — | — | — | 2 | 106 | 119 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 611 | 499 | 297 | 288 | 291 | 288 | 258 | 268 | 257 | 282 | 291 | 295 | 362 | 281 | 297 | 193 | 257 | 288 | 179 | 4 | 4 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Whistling Sands (Porth Oer) Surf forecast
The above surf forecast table for Whistling Sands (Porth Oer) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Whistling Sands (Porth Oer) can be found by selecting the local surf guide option on the grey menu. Our Whistling Sands (Porth Oer) 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 (Whistling Sands (Porth Oer)) 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 Whistling Sands (Porth Oer) 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 Lleyn Peninsula? If you are looking for accommodation near Whistling Sands (Porth Oer), camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 41 km (25 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Anglesey which is 48 km (30 miles) away, Holyhead, Bangor and Aberystwyth.
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