Surf Forecasts:
Whistling Sands (Porth Oer) surf forecast from 27 Jun 2026:
- Best quality surf: Tuesday 30 Jun, 10PM (local time) - 3.5ft (1.0m), 6s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 27 Jun, 7PM (local time) - 6ft (1.9m), 7s period, SSW swell with 313 kJ wave energy.
- Next surfable swell (1★+): Tuesday 30 Jun, 10PM (local time) - 3.5ft (1.0m), 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 Tuesday (Jun 30) at 10PM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.2m and 12s. Another secondary swell of 0.2m and 13s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Whistling Sands (Porth Oer) in the next 16 days are 1.9m 7s and forecast to arrive on Saturday (Jun 27) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Jun 27) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 30th Jun) | 3.5ft (1.0m) 6s |
| Best Surf | 10PM (Tue 30th Jun) | 3.5ft (1.0m) 6s |
| Most Powerful | 7PM (Sat 27th Jun) | 6ft (1.9m) 7s |
Table - best surf conditions forecast for Whistling Sands (Porth Oer) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 17°C on Fri night, min 14°C on Sat night). Winds decreasing (strong winds from the SSW on Sat afternoon, light winds from the SSW by Mon morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Thu afternoon, min 14°C on Mon night). Winds increasing (light winds from the S on Wed morning, strong winds from the SSW by Wed night). | ||||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | |||||||||||||||
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 16 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 13 | SW 6 | SW 7 | SW 6 | SW 4 | SW 6 | SW 6 | SW 6 | NNW 4 | SW 5 | SW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5 | 261 | 261 | 165 | 208 | 178 | 45 | 44 | 36 | 7 | 6 | 54 | 37 | 19 | 26 | 114 | 62 | 16 | 6 | 5 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | on | on | on | cross-on | cross | cross-on |
High Tide | 7:22AM3.20m | 7:44PM3.34m | 8:05AM3.29m | 8:25PM3.48m | 8:45AM3.37m | 9:03PM3.60m | 9:23AM3.42m | 9:40PM3.70m | 9:58AM3.45m | 10:15PM3.77m | 10:33AM3.44m | 10:50PM3.81m | 11:07AM3.41m | 11:25PM3.81m | |||||||
Low Tide | 2:18PM0.98m | 2:44AM0.89m | 2:58PM0.89m | 3:24AM0.77m | 3:36PM0.79m | 4:02AM0.66m | 4:12PM0.71m | 4:40AM0.59m | 4:47PM0.66m | 5:17AM0.56m | 5:22PM0.64m | 5:55AM0.57m | 5:58PM0.68m | ||||||||
 |  |  | | |  |  | | | | | | | |  | | |  | | | | |
 | 4:54 | — | — | 4:56 | — | — | 4:56 | — | — | 4:56 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — |
 | — | — | 9:46 | — | — | 9:46 | — | — | 9:46 | — | — | 9:46 | — | — | 9:46 | — | — | 9:45 | — | — | 9:45 |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 14 | 14 | 15 | 14 | 15 | 15 | 15 | 16 | 15 | 15 | 16 | 15 | 14 | 17 | 16 | 14 | 17 | 18 |
Feels °C | 12 | 11 | 11 | 10 | 7 | 11 | 11 | 11 | 13 | 13 | 13 | 14 | 14 | 14 | 8 | 7 | 13 | 13 | 11 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | W 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 7 | SW 7 | SW 13 | SW 13 | SW 6 | SW 13 | SW 6 | SW 7 | SW 6 | SW 12 | — | SW 6 | SW 6 | SW 5 | NNW 4 | SW 4 |
| kJ | 5 | 9 | 9 | 8 | 8 | 178 | 45 | 7 | 7 | 5 | 6 | 53 | 37 | 19 | 5 | — | 62 | 16 | 5 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WSW 14 | NW 4 | W 10 | SW 13 | SW 13 | — | WSW 12 | SW 10 | N 3 | W 9 | — | — | — | W 11 | SW 5 | SW 6 |
| kJ | — | — | — | — | — | 18 | 2 | 2 | 7 | 7 | — | 14 | 25 | 1 | 2 | — | — | — | 2 | 5 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 11 | WSW 13 | SW 13 | — | — | — | — | — | SW 12 | — | — | — | — | — | W 11 | — |
| kJ | — | — | — | — | — | 2 | 18 | 7 | — | — | — | — | — | 5 | — | — | — | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SW 6 | SW 7 | SW 7 | SW 7 | — | — | SW 7 | SW 6 | S 4 | SSW 5 | WSW 6 | NNW 4 | NW 3 | SW 4 | SW 6 | NNW 3 | NNW 4 | NNW 4 | — | — |
| kJ | 69 | 261 | 261 | 165 | 208 | — | — | 44 | 36 | 9 | 45 | 54 | 9 | 2 | 26 | 114 | 3 | 1 | 6 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 348 | 324 | 256 | 359 | 498 | 125 | 15 | 137 | 130 | 139 | 256 | 71 | 71 | 298 | 329 | 525 | 145 | 132 | 145 | 407 | 145 |
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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