swirling depths of indigo and turquoise in the ocean reveal a captivating whirlpool at dusk, capturing the essence of

whirlpool ocean indigo turquoise swirl depths water waves vortex nature sea marine mystery aquatic evening dusk fluid motion currents mesmerizing captivating beauty swirling patterns blue dark natural phenomenon underwater stormy tranquil serene coastline tides reflection environment exploration dynamic formation oceanic wave life coastal deep shoreline landscape dynamics atmospheric imagery ai generated