Dangerous Hurricane-force storm forecast off Japan

NOAA OPC Forecast for 1200 UTC 23 January 2017

A rapidly developing hurricane-force storm low is forecast over the western North Pacific off the coast of Japan January 22nd-23rd with storm to hurricane force winds and significant wave heights to 17 meters (about 56 Feet). This will be a dangerous storm affecting ships arriving and departing Japan.

The highest significant wave height ever recorded was a massive 19 meters (62.3 feet!) measured by a buoy in the North Atlantic.

Wave Relationships

Hs or H1/3 = Significant wave height (average of the highest 1/3 waves)
H1/10 (Highest 10% wave height) = 1.27 x Hs
H1/100 (Highest 1% wave height) = 1.67 x Hs

Read more about ocean waves here 

Read more about Hurricane-force extra-tropical storms here

NOAA Significant Wave Forecast 1200 UTC Jan 23rd.

About Fred Pickhardt

Fred Pickhardt, Marine Meteorologist I am a marine meteorologist and sailed briefly with American Export Lines in the Far East trade. I have extensive experience in marine weather analysis, marine weather forecasting, optimum ship routing, vessel performance evaluations and forensic marine weather event reconstructions. I founded Ocean Weather Services and as Owner and Chief Consultant currently provide optimum ship routing services and forensic marine weather reports to the maritime industry.
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