Coastal Environment: The following may exist, in combination with several of the above: Clapotis, wind against tide, strong tidal currents, local anomalies, sea breeze effect, katabatic effects, downwind paddling, interaction between swell and shoreline.
Wind (Beaufort): F0-5
Sea State (Met Éireann): Moderate (1.25 – 2.5m significant wave height) swell of 1.25 to 2.50 metres
Surf: ≤ 1.5m broken waves/surf
Flow: Overfalls, tidal streams and tide races ≥ 3kn
Open Crossings: Open crossings where the destination is out of sight.