Jetty Diving
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TURBIDITY- Port Aransas Jetties
Turbidity is defined as having stirred up or suspended particles, and is measured in NTU's (Nephelometric Turbidity Units). In layman terms, it is a numerical reading of how clear or dirty the water is. In more scientific terms, Nephelometric refers to the way the instrument, a nephelometer, measures how much light is scattered by suspended particles in the water. The greater the scattering, the higher the turbidity. Therefore, low NTU values indicate high water clarity, while high NTU values indicate low water clarity.
This link maintains a 24hr log of measurements taken hourly and the turbidity readings can be found near the bottom of the page under "Recent Observations". The turbidity readings are actually listed under "pH" on this link because the columns are shifted. Generally speaking, a reading above 5 or 6 is stepping into the realm of very limited visibility, even for the jetties. If the reading is 10+, don't waste your time driving out there.
TIDES- Port Aransas Jetties
This is NOAA's tide prediction for any given day. Generally, the best time to dive the jetties for optimal water clarity is from just before high tide to about half way through the falling tide. It is best to plan to arrive just before high tide to allow time to set up you equipment, then begin your dive as the tide begins to slack.
WEATHER- Corpus Christi
This is NOAA's 7 day forecast for Corpus Christi. To view other locations, simply input the locations zip code.
Select this image to view Jetty Diving Reports.