Porth Nefyn on the north coast of the Llyn Peninsula offers a stunning and sheltered coastal experience.
The spot is protected from the prevailing South-Westerly swell, providing exceptionally flat water and consistent Northerly winds. For wingers, Porth Nefyn is a fantastic 'flat-water' haven, perfect for practicing freestyle or transitions in a scenic and supportive setting. The local community is friendly and welcoming, with a focus on progression and local heritage.
N, NW (Prevailing winds that funnel cleanly into the bay)
15-25 knots; 4-5m wings in lighter air.
Best at High Tide (+/- 2 hrs) for optimal depth over the rocky foreshore.
14 Day - Tide Calendar for Porth Nefyn →Rolling bay chop (0.4m - 0.7m).
Overall
Vibe & Crowds
Super friendly and social. A welcoming village club with a supportive local membership. Moderate. Popular in summer, but the bay is vast enough for all.
Suitable For
Protection is great, but currents require awareness.
Negatives & Hazards
Significant coastal currents; submerged rocks near headlands; busy harbour traffic (seasonal); seasonal holidaymakers.
Porth Nefyn
Open in Google MapsAmple parking along the Porth Nefyn promenade; launch from the sandy/shingle beach.
Mixed sand and rock.
Spring and Autumn; winter brings powerful Northerly air.
If you have any insights or information to add to this spot guide, drop us a note at support@knotnow.co.uk
Wind and weather forecasts for Porth Nefyn are provided to help you plan your sessions. Conditions at this coastal location can change quickly, so always check the actual conditions when you arrive and trust your judgment. These forecasts are for recreational planning—always prioritize safety and verify conditions yourself before heading out. Tidal predictions for Porth Nefyn are based on the nearest primary station at PORTH DINLLAEN (3.84km away). Local conditions can vary from these predictions due to coastal topography and weather effects. Always verify tidal conditions on arrival—these predictions are for planning purposes only, not for navigational use or critical safety decisions.