Tidewake Deep-water sounds, tidal races and islands. The largest tides in the country and the strongest streams, in water that is often flat calm between them.
Hazards Clapotis × 5Shipping × 5Weir / overfall × 2
Pembrokeshire Flood
Ramsey Sound separates Ramsey Island from the Pembrokeshire mainland, and the Bitches are the reef in the middle of it that turns the whole channel into a tide race on every spring tide.
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Read the guide →Anglesey Ebb
Holyhead New Harbour is an all-tide, no-surf, fully sheltered launch, which is rare enough in Britain to make this coast worth the trip on its own.
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Read the guide →Anglesey and Gwynedd Flood
The Menai Strait is 14 miles of water separating Anglesey from Wales, and at its narrowest point, under Telford's suspension bridge, it squeezes through a rock-strewn passage called the Swellies where the tide reaches five knots and the direction reverses in a quarter of an hour.
ClapotisShippingWeir / overfall
Read the guide →Argyll, Scotland Flood
Between the islands of Jura and Scarba the Atlantic is forced through a gap less than a mile wide with a pinnacle rising from 200 m to within 30 m of the surface.
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Read the guide →County Galway, Ireland Flood
The Aran Islands sit across 9 miles of open Atlantic from the Galway coast, and Inishmore, the largest, is a limestone plateau with 3,000 years of stone forts on it and a harbour that faces the full fetch of the Atlantic.
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