Tag Archives: Wave height

High Wind and Wave Events Crossing the Gulf Stream

Crossing the Gulf Stream where ocean currents can exceed 2 knots takes some skill and if you try in under certain weather conditions, could be dangerous for any size vessel.  High wind and wave events can occur under certain conditions … Continue reading

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Second Major Storm in a Week to Affect Atlantic Shipping

A rapidly deepening major storm low is forecast to move southeastward from just south of Newfoundland Saturday to west-northwest of the Azores over the next 48 hours.  Winds are forecast to increase to 50-65 knots with seas building to 13 … Continue reading

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North Atlantic Hurricane-Force Storm Affecting Main Shipping Lanes

An intense hurricane-force storm low over the central North Atlantic was producing significant wave heights of an incredible 19 meters (62 feet) today, according to the National Weather Service Ocean Prediction Center. After dumping some moderate to heavy snow in … Continue reading

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Hurricane Force Storm Forecast for Central North Atlantic

A weak low will move off the USEC near Cape Hatteras Saturday evening then move eastward and deepen rapidly and develop storm to hurricane force winds of 55-70 knots and seas to 9 meters (30 ft) south and southwest of … Continue reading

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Dangerous Hurricane-force storm forecast off Japan

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 … Continue reading

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Hurricane Maria update: 1100 AM EDT (1500 UTC) Sun Sep 24 2017

The National Hurricane Center (NHC) has reduced the max winds of Maria to 90 knots (105 mph) which is a Cat 2 storm, based on the latest information from the NOAA and Air Force Hurricane Hunter aircraft. The minimum pressure … Continue reading

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TC Donna Update

TC Donna located over the South Pacific about 337 NM northwest of Port Vila, Vanuatu currently has maximum winds of about 85 knots with hurricane force winds extending outward about 25 NM from the center. Maximum significant wave height is … Continue reading

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Mariner’s Guide to Ocean Waves

There are five types of ocean waves: 1. Wind generated 2. Tides 3. Seiches 4. Tsunamis 5. Pressure induced 1. Wind-Generated Wind-generated waves are the most common waves found on the ocean and are the result from stress on the … Continue reading

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