Surf Forecasts:
Whistling Sands (Porth Oer) surf forecast from 30 Oct 2026:
- Best quality surf: Friday 30 Oct, 9PM (local time) - 3.5ft (1.1m), 11s period, SW swell with offshore winds.
- Most powerful swell: Friday 30 Oct, 9PM (local time) - 3.5ft (1.1m), 11s period, SW swell with 268 kJ wave energy.
- Next surfable swell (1★+): Friday 30 Oct, 9PM (local time) - 3.5ft (1.1m), 11s 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 Friday (Oct 30) at 9PM. The primary swell is predicted to be 1.1m and 11s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Whistling Sands (Porth Oer) in the next 16 days are 1.1m 11s and forecast to arrive on Friday (Oct 30) at 9PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Tuesday (Nov 03) at 9PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 30th Oct) | 3.5ft (1.1m) 11s |
| Best Surf | 9PM (Fri 30th Oct) | 3.5ft (1.1m) 11s |
| Most Powerful | 9PM (Fri 30th Oct) | 3.5ft (1.1m) 11s |
Table - best surf conditions forecast for Whistling Sands (Porth Oer) over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 13°C on Fri afternoon, min 9°C on Sun night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Very mild (max 12°C on Tue afternoon, min 7°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | |||||||||||||||
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 7 | SSW 8 | SW 11 | SW 11 | SW 10 | SW 10 | N 5 | N 6 | SW 8 | NNE 4 | NNE 4 | NE 4 | NE 4 | NE 4 | SW 15 | SW 14 | SW 13 | SW 12 | SW 12 | W 11 | W 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 147 | 171 | 198 | 165 | 102 | 59 | 68 | 141 | 10 | 7 | 8 | 16 | 17 | 24 | 9 | 8 | 7 | 6 | 6 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | on | cross-on | cross-on | cross-off | cross-off | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 10:33AM4.02m | 11:02PM3.68m | 11:24AM3.76m | 11:58PM3.30m | 12:24PM3.48m | 1:09AM2.98m | 1:40PM3.28m | 2:39AM2.84m | 3:09PM3.26m | 4:07AM2.94m | 4:25PM3.40m | 5:10AM3.17m | 5:23PM3.59m | ||||||||
Low Tide | 5:42PM0.48m | 6:03AM0.83m | 6:46PM0.69m | 7:08AM1.07m | 8:00PM0.85m | 8:23AM1.21m | 9:20PM0.88m | 9:43AM1.20m | 10:35PM0.77m | 10:55AM1.06m | 11:38PM0.60m | 11:56AM0.85m | 00:29AM0.44m | ||||||||
 |  |  | |  |  | | |  | | | | | | | | | | | | | |
 | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — |
 | — | 4:52 | — | — | 4:51 | — | — | 4:49 | — | — | 4:46 | — | — | 4:45 | — | — | 4:43 | — | — | 4:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 8 | 9 | 9 | 10 | 12 | 11 | 10 | 11 | 10 | 10 | 11 | 11 |
Feels °C | 6 | 9 | 10 | 9 | 10 | 12 | 3 | 4 | 7 | 4 | 5 | 3 | 4 | 5 | 6 | 4 | 4 | 4 | 4 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SSW 8 | SW 11 | SW 11 | SW 10 | SW 10 | SW 9 | SW 8 | NNW 5 | SW 7 | SW 7 | — | — | W 18 | SW 15 | N 6 | SW 13 | SW 12 | SW 12 | W 11 | W 11 |
| kJ | 147 | 171 | 198 | 165 | 102 | 59 | 27 | 16 | 28 | 2 | 2 | — | — | 6 | 9 | 3 | 7 | 6 | 6 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | WSW 13 | WSW 12 | — | — | — | — | — | — | SW 8 | SW 7 | SW 7 | — | — | — | — | SW 14 | N 6 | N 6 | N 6 | N 6 | N 6 |
| kJ | 34 | 54 | — | — | — | — | — | — | 10 | 2 | 2 | — | — | — | — | 8 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 9 | — | — | — | — | N 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | — | SE 3 | — | — | — | N 5 | N 6 | ENE 3 | NNE 4 | NNE 4 | NE 4 | NE 4 | NE 4 | ENE 4 | ENE 4 | ENE 4 | E 4 | E 4 | E 4 | E 4 |
| kJ | 21 | — | 1 | — | — | — | 68 | 141 | 1 | 7 | 8 | 16 | 17 | 24 | 15 | 8 | 15 | 27 | 18 | 18 | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 41 | 41 | 41 | 41 | 15 | 10 | 132 | 140 | 140 | 288 | 288 | 288 | 295 | 295 | 228 | 295 | 295 | 132 | 132 | 113 | 134 |
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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