Historical clue formulations

• They get high by the beach — 2024-02-18
• Diurnal phenomena — 2023-04-23
• Ebb and neap, for two — 2023-03-14
• They get high twice a day — 2022-05-19
• They're explained by Newton's law of universal gravitation — 2021-12-05
• Ocean's motions — 2021-11-09
• Listings in a nautical table — 2019-01-22
• Some almanac info — 2018-01-11
• Neap and ebb — 2017-05-29
• They roll in — 2017-03-10
• Current events? — 2016-03-31
• They go in and out and in and out — 2015-06-22
• They rise and fall periodically — 2014-05-20
• Almanac info — 2014-03-22
• Ocean motions — 2008-06-10
• Destroyers of many castles — 2008-05-23
• Traditional almanac data — 2008-04-20
• Sand castle destroyers — 2006-05-19
• Moon-related phenomena — 2006-01-03
• They roll in — 2005-02-18
• Holds, with "over" — 2004-11-14
• Ebb and others — 2003-04-28
• Neap and ebb — 1998-10-12
• Ebb and neap, e.g. — 1998-06-08