On top of which a swell height peaking near 30ft coming into Mount's Bay.
Praa Sands for tomorrow, the big powerful long period swell being close to high tide. There will be wave setup surges on top of the model forecasts, which don't take into account the affect of surges associated with big wave sets, the time period is too short, typically 2-3 minutes.
Looks pretty bad to me. Sandbags out along the prom.