A video captured Sunday shows a massive flow of water crashing down Waimea Falls on Oahu. The National Weather Service issued a flood watch through Friday for all of the Hawaiian Islands.

And the popular tourist destination – the Waimea Waterfall ... a colossal wave of chocolate-hued rainwater surges over the falls, like Niagara, then creating a river of rapids towards the ...

U.S. News Insider Tip: The hike to Waimea Falls is about 3 ½ miles of flat, paved road with breathtaking scenery. Pack a picnic, take a swim and enjoy the surroundings. Also leave time to visit ...