Don’t miss the 2023 Southern California Tide Calendar! In addition to the tides, get sewage management tips, a list of boat-to-boat services, Marine Protected Area information, harbor resources, and more. If you would like to order a printed copy of the Tide Calendar in English please contact us. This publication is funded by the California State Parks Division of Boating and Waterways Clean Vessel Act Education Program and a federal Clean Vessel Act Grant through the Sport Fish Restoration Program. It is also funded in part by the Ocean Protection Council and Coastal Quest.