Sitting in the South Texas coast overlooking the Gulf of Mexico lies the Padre Islands.
Tide chart padre island national seashore update#
Each station updated will be listed along with information on the update applied.There are plenty of islands worldwide known to offer visitors a relaxing tropical getaway, while others are famous for a different purpose. The History of Updates provides a listing of the stations updated each quarter, most recent updates appearing at the top. The number of stations updated and type of updates applied each quarter will vary depending on data collected and analysis completed during the quarter. Some stations may be removed because the available historic data does not allow for accurate predictions. These stations may have been replaced by a nearby station which provides more recent (more accurate) data upon which the predictions are based. Changes to the adjustment values and reference station for subordinate stations.Upgrading a station from subordinate to harmonic.These updates are applied every quarter during the first two weeks of January, April, July and October. There are regular updates applied to the NOAA Tide Predictions. Once a station is selected, the system provides the tide predictions for the current day and the following day. Subordinate stations only allow for the generation of high/low tide predictions, and heights will be relative to Mean Lower Low Water (MLLW), the standard chart datum for the U.S. Tide predictions for subordinate stations are generated by first generating high/low tide predictions for a designated harmonic station, called the “reference station” then time and height adjustments are applied to correct the high/low predictions to the tidal conditions at the subordinate station.
Subordinate stations are historic stations which do not have tidal harmonic constants available.
These capabilities are controlled within the interface. Harmonic stations have the greatest capabilities within the NOAA Tide Predictions service for providing predictions with different data intervals and relative to different tidal datums. Tide predictions for harmonic stations are generated directly from the harmonic constants. Harmonic stations are stations with tidal harmonic constants and tidal datums. Tide predictions are provided for two “classifications” of stations - Harmonic and Subordinate. Clicking on the station name in the listings will access the tide predictions for the station. For example: the Potomac River separates Maryland and Virginia - all stations along the river will be listed under “Washington DC”. In areas where the states are separated by a river, stations on both sides of the river are provided in a single listing, progressing up the river from the coast. Within each state, the stations are listed in geographical order, following the contours of the coastline, allowing stations physically near each other to be listed together. Stations are organized into the states or regions in which the station is located. Otherwise you may search for a station from the map interface or the station listing. If you know that a station is available, you may use the search box to provide the station name or 7-digit ID number to retrieve predictions for the station. There are more than 3000 locations available through the NOAA Tide Predictions service. Selecting a station - Tide predictions can only be accurately predicted at a location where tide data has been collected and analyzed. Generating tide predictions for a location: Select the link for "NOAA Tide Predictions" under the “Tides/Water Levels” heading. This service is found on the main pages of the Tides and Currents website, within the “Products” tab, located on the top menu bar. This website service provides both a graphical plot of the predictions as well as a tabular listing and printable pages. NOAA Tide Predictions allows users of the Tides and Currents website ( ) to generate tide predictions for up to 2 years in the past or future, at any of 3000+ locations around the United States.
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