SOUS42 KTAE 210010 TIDTAE Tide information for Saturday March 21 2026. Saint Marks River Entrance. High 04:37 AM ... Low 10:05 AM ... High 03:57 PM ... Low 10:54 PM. Apalachicola. Low 12:22 AM ... High 07:03 AM ... Low 12:22 PM ... High 05:25 PM. Saint Andrews Bay at Panama City. High 11:34 AM ... Low 09:46 PM. Note that the times of high and low tide are 3 minutes earlier at Shell Point than at the Saint Marks River Entrance. The average water temperature at Apalachicola was 60.8 degrees. Sunrise and sunset in Tallahassee. March 21 2026: Sunrise 740 AM EDT Sunset 750 PM EDT