Increased Ocean Swell. Around 72 hours before a hurricane makes landfall, ocean swell increases to about 2 meters (6 feet) in height. Waves hit the shore about every nine seconds. This is one of the earliest signs of an approaching hurricane.As the hurricane gets closer to land, waves will hit the shore with greater rapidity and increase to close to 5 meters (16 feet) in height.ncreased Ocean Swell. Around 72 hours before a hurricane makes landfall, ocean swell increases to about 2 meters (6 feet) in height. Waves hit the shore about every nine seconds. This is one of the earliest signs of an approaching hurricane.
Japan: Worldâs Most Expensive Fish Sold for $1.8 Million. A 222-kilogram bluefin tuna was sold at Tokyo's Tsukiji market for an all-time high of 155.4 million yen, or 1.8 million dollars. An employee holds the head of the 222 kg bluefin tuna outside Tsukiji fish market in Tokyo January 5, 2013. Related.
An active and agile predator, the tuna has a sleek, streamlined body, and is among the fastest-swimming pelagic fish â the yellowfin tuna, for example, is capable of speeds of up to 75 km/h (47 mph). Found in warm seas, it is extensively fished commercially, and is popular as a game fish. As a result of over-fishing, stocks of some tuna species such as the southern bluefin tuna have been reduced dangerously close to the point of extinction.