Surf Forecasts:
Whistling Sands (Porth Oer) surf forecast from 5 Jul 2026:
- Most powerful swell: Saturday 11 Jul, 4PM (local time) - 6ft (1.9m), 6s period, NNW swell with 246 kJ wave energy.
Best Forecast Surf Conditions for Whistling Sands (Porth Oer) this week:
The most powerful waves expected at Whistling Sands (Porth Oer) in the next 16 days are 1.9m 6s and forecast to arrive on Saturday (Jul 11) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Saturday (Jul 11) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Sat 11th Jul) | 6ft (1.9m) 6s |
Table - best surf conditions forecast for Whistling Sands (Porth Oer) over the next 16 days.
Updates in hr min s Forecast update imminent
Alright folks, Rusty here. Let’s get into it for this stretch of coast.
To be straight with you, the outlook is a tough one. Whistling Sands (Porth Oer) is a sheltered, inconsistent little beginner spot, and over the next 16 days the surf just doesn't have any real juice for us. There’s a pretty long gap of small, weak, or messy conditions to start. The first real pulse of energy shows up on Saturday, July 11th, but unfortunately it comes with strong onshore wind and that's going to be a choppy, blown-out mess, not something you'd want to paddle out into. The water temperature is sitting at 60°F which is about average for this time of year, nothing wild there.
The best you’ll see is on Saturday, July 11th afternoon, when a swell from the NNW pushes up to 6 ft, with a period of 6 seconds. That's a short-period, wind-driven swell, and combined energy hits 248 (moderate). But the wind is onshore from the NW at 25 mph, so it’s going to be all kinds of lumpy and messy. Anything over 5 ft like that, with the wind on it, is really only for the experts if they’re desperate, and even then, it’s not going to be a good session. The setup here looks more like a kite surfer’s day than a paddle surfer’s.
After that, the swell drops back to tiny, inconsistent, and often choppy on a cross-onshore wind right through the rest of the second week. There’s a brief moment of glassy conditions on the morning of Friday, July 17th, but with a 0.3 ft, 12-second period swell, there’s simply no wave to ride. It’s a flat calm.
There are no standout options here. The spot is inconsistent, and it’s an inconsistent run of weather for it. Don’t hold your breath; forecasts can change, but right now it’s a blank run for any decent surf.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Sun night, min 16°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Fri night. Warm (max 23°C on Thu afternoon, min 13°C on Fri night). Winds increasing (calm on Wed night, strong winds from the NNW by Fri night). | ||||||||||||||||||||
Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 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) | SW 6 | WSW 4 | SW 4 | SW 4 | SW 5 | SW 4 | SW 4 | W 12 | SW 3 | WSW 3 | — | W 6 | SW 11 | S 12 | W 12 | NNW 4 | NNW 4 | SW 8 | NNW 6 | NNW 6 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 10 | 10 | 17 | 7 | 8 | 16 | 4 | 3 | 6 | 1 | 0 | 1 | 5 | 4 | 4 | 5 | 28 | 3 | 102 | 246 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross | cross | cross-off | cross | cross-off | cross-off | off | off | cross | off | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | on |
High Tide | 12:22PM3.31m | 00:41AM3.69m | 1:05PM3.23m | 1:25AM3.58m | 1:55PM3.16m | 2:17AM3.46m | 2:55PM3.10m | 3:20AM3.35m | 4:03PM3.10m | 4:32AM3.32m | 5:14PM3.21m | 5:44AM3.39m | 6:20PM3.41m | ||||||||
Low Tide | 7:11PM0.86m | 7:50AM0.76m | 7:52PM0.98m | 8:34AM0.84m | 8:38PM1.09m | 9:24AM0.92m | 9:36PM1.17m | 10:25AM0.97m | 10:48PM1.17m | 11:37AM0.96m | 00:10AM1.06m | 12:52PM0.86m | 1:26AM0.82m | ||||||||
 | |  | | |  |  | | | | | | | | |  | |  |  | | | |
 | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:03 | — | — | 5:03 | — | — | 5:05 | — | — | 5:07 | — | — |
 | — | — | 9:45 | — | — | 9:44 | — | — | 9:44 | — | — | 9:43 | — | — | 9:42 | — | — | 9:40 | — | — | 9:39 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 9 | 4 |
Temp °C | 17 | 19 | 20 | 17 | 19 | 20 | 17 | 19 | 20 | 19 | 21 | 20 | 21 | 23 | 20 | 18 | 17 | 16 | 13 | 12 | 12 |
Feels °C | 14 | 17 | 17 | 15 | 17 | 18 | 14 | 17 | 19 | 19 | 21 | 20 | 19 | 19 | 15 | 16 | 13 | 10 | 7 | 5 | 4 |
Swell 1 Height (m) Direction Period (s) | SW 6 | — | — | SW 4 | — | — | SW 4 | NNW 4 | SW 3 | — | — | — | SW 11 | S 12 | — | — | W 11 | NNW 6 | W 8 | SW 8 | W 8 |
| kJ | 8 | — | — | 6 | — | — | 3 | 1 | 3 | — | — | — | 5 | 3 | — | — | 2 | 111 | 1 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | NW 4 | — | NW 4 | — | — | NW 4 | W 12 | SW 12 | — | — | — | — | — | W 12 | W 11 | W 8 | SW 8 | W 8 | — | W 8 |
| kJ | — | 1 | — | 1 | — | — | 3 | 3 | 6 | — | — | — | — | — | 3 | 2 | 1 | 3 | 1 | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 8 | — | — | — | — | — | — | W 6 | — | — | — | — | — | — | SW 8 | — | — |
| kJ | — | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | WSW 4 | SW 4 | WSW 4 | SW 5 | SW 4 | SW 4 | SW 4 | WSW 3 | WSW 3 | — | — | — | NNW 3 | NNE 3 | NNW 4 | NNW 4 | — | NNW 6 | NNW 6 | N 6 |
| kJ | 10 | 10 | 17 | 7 | 8 | 16 | 4 | 3 | 2 | 1 | — | — | — | 4 | 4 | 5 | 28 | — | 102 | 246 | 232 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 145 | 256 | 257 | 292 | 282 | 252 | 292 | 308 | 218 | 204 | 273 | 204 | 204 | 308 | 202 | 132 | 499 | 562 | 556 | 611 | 311 |
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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