Fig. 1. The tides at Boynton Beach and El Jobean, 1–15 July, 1998. Shading indicates the dark period. Two tidal cycles occur each lunar day at Boynton Beach. At El jobean the tides alternate between two tidal cycles
Fig. 1. The tides at Boynton Beach and El Jobean, 1–15 July, 1998. Shading indicates the dark period. Twotidal cycles occur each lunar day at Boynton Beach. At El jobean the tides alternate between two tidal cycles