Period
Time in seconds between two waves. The longer it is, the more energy the swell carries: at equal height, 14 s pushes much harder than 8 s.
Other terms
Bathymetry · Beach break · Breaking height · Confidence · Cross-shore wind · Crossed swells · Ensemble forecast · Forecast model · Gusts · Iribarren (breaker type) · Offshore wind · Onshore wind · Peak period · Persistence · Point break · Range · Reef · Rip currents · Seabed relief (EMODnet) · Set · Shorebreak · Submarine canyon · Swell · Swell direction · Tidal range · Tide · Tide coefficient · Wind sea