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The National Weather Service reported “significant wave heights” off the coast of San Luis Obispo on Thursday morning, with a buoy outside of Morro Bay recording wave heights of 23 feet at 17 ...
A sea state is characterized by statistics, including the wave height, period, and spectrum. The sea state varies with time, as the wind and swell conditions change. The sea state can be assessed either by an experienced observer (like a trained mariner) or by using instruments like weather buoys, wave radar or remote sensing satellites.
The significant wave height is also the value a "trained observer" (e.g. from a ship's crew) would estimate from visual observation of a sea state. Given the variability of wave height, the largest individual waves are likely to be somewhat less than twice the significant wave height. [2] The phases of an ocean surface wave: 1.
The result is an accurate representation of the propagating incident wave field that will force ship motions over a 2-3 minute window. The wave processing algorithms also enable real-time calculation of wave field two-dimensional power spectra and significant wave height similar to that provided by a wave buoy.
Tropical Storm Hone swirled closer to Hawaii’s Big Island with maximum sustained winds of 75 mph, forecasters said.
Miyake reports [3] that the Surf News Network [4] expresses wave heights as "2/3 the height of the wave from crest to trough." This heuristic finds mathematical support as a compromise between two methods of expressing the combined effects of a wave's average upward and average downward deviations from mean sea level, namely a) the sum of the absolute value of a sine wave's average (mean ...
The current record, 86 feet, was set in 2020 by Sebastian Steudtner — who then topped that last year with an unofficial wave height of nearly 94 feet. The 108-foot December wave has not yet been ...
One scientific paper and various press reports claimed in February 2022 that at 2.93 times the significant wave height, the Ucluelet wave set a record as the most extreme rogue wave ever recorded at the time in terms of its height in proportion to surrounding waves, and that scientists estimated that a wave about three times higher than those ...