Trefnanney Swell ForecastUnited KingdomWLPowysTrefnanneyTrefnanney does not have Swell data. Select a nearby location from below.58.6km away Friog Gwynedd58.8km away Fairbourne Gwynedd59.4km away Barmouth Beach Gwynedd60.1km away Llanaber Gwynedd61.2km away Llwyngwril Gwynedd61.6km away Sunnysands Gwynedd62.1km away Caethle Gwynedd62.5km away Aberdyfi Beach Gwynedd62.6km away Benar Beach Gwynedd63km away Tywyn Gwynedd