
Surf Forecasts:
Whistling Sands (Porth Oer) surf forecast from 24 Jul 2026:
- Most powerful swell: Sunday 26 Jul, 1PM (local time) - 4ft (1.2m), 5s period, WNW swell with 84 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 1.2m 5s and forecast to arrive on Sunday (Jul 26) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Tuesday (Jul 28) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Sun 26th Jul) | 4ft (1.2m) 5s |
Table - best surf conditions forecast for Whistling Sands (Porth Oer) over the next 16 days.
The Lowdown
Alright, let’s talk about Whistling Sands (Porth Oer). It’s a tough outlook, to be honest. The water temp is about normal for the time of year, nothing unusual there.
We kick off on Friday, 24th July, with nothing doing. Swell is a measly 0.3 ft out of the SW, with a long 13-second period, but the combined energy is a weak 7. The afternoon goes glassy, but there’s still no wave to ride.
Saturday the 25th picks up a little, with 2 ft to 3 ft of swell, but it’s a short 4 to 5 second windswell. The wind is honking from the WSW at 19 mph, making it a lumpy, cross-onshore mess. Not worth paddling out. Sunday the 26th is similar: 3 ft to 4 ft, onshore, and lumpy, with energy up to 95 (moderate).
Monday the 27th and Tuesday the 28th offer cleaner conditions with cross-offshore winds, but the swell is tiny – 1.0 ft to 3 ft. The combined energy stays weak, under 30. The period is a short 3 to 5 seconds. Clean, but empty.
The rest of July and into early August is a rinse and repeat of small, often messy surf. Wednesday the 30th has a gentle offshore breeze, but the swell is only 1 ft with a combined energy of 6 (weak). The 31st of July sees a 12-second period, but the swell is just 0.7 ft, so the long-period energy (27) is wasted.
The first real sign of life is Saturday, 1st August. We get 3 ft of swell out of the SW with a 9-second period, and the combined energy hits 141 (moderate). The winds are messy in the morning, but the afternoon turns clean with a cross-offshore breeze. It’s the best of a bad bunch.
Sunday, 2nd August, brings the biggest swell: 6 ft in the morning, jumping to 7 ft in the afternoon. It’s from the SW with a short 7-second period. The combined energy is strong: 301 in the morning, 479 in the afternoon. That’s a lot of water, but the wind is a lumpy cross-shore at 22 mph. For a beginner beach, this is too big and messy. Kite surfers would have a field day, but for paddle surfing, it’s a no-go.
Monday, 3rd August, still has some size at 5 ft to 6 ft, but the period is short (7-8 seconds). The wind finally drops, and the afternoon sees a clean cross-offshore breeze. The combined energy is still high (237). It’s the most promising window, but it’s a week away and the short period on a sheltered spot leaves a lot to be desired.
After that, it fades back to small and mediocre for the rest of the second week. No real standouts at all.
The best you can hope for is the afternoon of Saturday, 1st August, for the cleanest conditions on a small wave, or the afternoon of Monday, 3rd August, if you want a bit more size and can handle the shorter period. The rest of the 16 days is a bust. A blank run like this is just part of the deal here sometimes.
Rusty.
Short Range ForecastMostly dry. Very mild (max 17°C on Fri night, min 13°C on Sat morning). Winds increasing (calm on Fri afternoon, fresh winds from the WNW by Sun morning). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Mon night. Very mild (max 18°C on Tue morning, min 14°C on Sun night). Winds decreasing (fresh winds from the SSW on Mon afternoon, calm by Wed afternoon). | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
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 13 | SW 13 | WSW 2 | W 4 | WSW 5 | WSW 5 | W 5 | NW 5 | WNW 5 | SW 4 | SW 3 | SW 5 | SW 5 | SW 5 | WSW 4 | SW 4 | SW 4 | SW 4 | SW 5 | WSW 4 | SW 4 |
Wave Graph | |||||||||||||||||||||
7 | 7 | 1 | 14 | 40 | 35 | 68 | 57 | 42 | 5 | 7 | 0 | 0 | 30 | 13 | 9 | 7 | 13 | 6 | 2 | 1 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross-on | cross-on | cross-on | cross | on | on | on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | glassy | off | cross | cross-off |
High Tide | 4:58AM2.82m | 5:36PM2.84m | 6:08AM2.84m | 6:38PM2.97m | 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 | |||||||
Low Tide | 11:50AM1.39m | 00:34AM1.37m | 1:04PM1.32m | 1:40AM1.21m | 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 | ||||||||
5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — | |
— | — | 9:24 | — | — | 9:23 | — | — | 9:22 | — | — | 9:21 | — | — | 9:19 | — | — | 9:17 | — | — | 9:15 | |
mm | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | — | — | — | — | — | — | — | 1 |
Temp °C | 14 | 16 | 17 | 15 | 16 | 17 | 16 | 17 | 17 | 14 | 16 | 16 | 18 | 18 | 18 | 15 | 17 | 17 | 19 | 19 | 18 |
Feels °C | 12 | 16 | 16 | 9 | 12 | 15 | 10 | 12 | 13 | 11 | 12 | 13 | 14 | 14 | 15 | 13 | 17 | 16 | 17 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | N 4 | N 4 | — | SW 12 | NW 5 | S 11 | S 11 | SW 6 | — | NNW 5 | NNW 4 | — | — | — | WSW 4 | — | — | SW 4 | SW 5 | WSW 4 | — |
1 | 1 | — | 6 | 3 | 3 | 2 | 38 | — | 14 | 4 | — | — | — | 13 | — | — | 13 | 6 | 2 | — | |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | — | — | SW 12 | — | — | — | — | SW 5 | — | — | — | — | — | — | — | — | — | — | — |
7 | 7 | — | — | 6 | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | WSW 2 | W 4 | WSW 5 | WSW 5 | W 5 | NW 5 | WNW 5 | SW 4 | SW 3 | SW 5 | SW 5 | SW 5 | — | SW 4 | SW 4 | — | — | — | SW 4 |
— | — | 1 | 14 | 40 | 35 | 68 | 57 | 42 | 4 | 7 | 51 | 37 | 30 | — | 9 | 7 | — | — | — | 1 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 397 | 1035 | 292 | 1036 | 359 | 145 | 332 | 327 | 145 | 256 | 323 | 249 | 282 | 292 | 218 | 288 | 292 | 204 | 291 | 291 | 401 |
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.










