ABBREVIATION MEANING WATERLINE A line painted on a hull which shows the point to which a ship sinks when it is properly trimmed WAY Movement of a ship through water such as headway, sternway or leeway WCCON Whether Customs Cleared Or Not WIBON Whether In Berth Or Not WIFPON Whether In Free Pratique Or Not WINDWARD Toward the direction from which the wind is coming WIPON Whether In Port Or Not WLTOHC Water Line-To-Hatch Coaming WOG Without Guarantee WP Weather Permitting. That time during which weather prevents working shall not count as laytime WPD Weather Permitting Day WWD Weather Working Day WRIC Wire Rods In Collis WWR When, Where Ready WWWW Wibon, Wccon, Wifpon, Wipon YAR York Antwerp Rules YAW To swing or steer off course, as when running with a quartering sea Z UTC = GMT