Here are some links that you may find helpful.
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PDRA (Piedmont Diving and Rescue Association): The PDRA is an association that owns 3 rock quarries. You can join the PDRA and gain 24/7 access to the quarries. Once you join you will get a key which can unlock the gates and the 3 quarries.
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DAN (Divers Alert Network)
DAN is a great source for dive and travel insurance, as well as medical information for divers.
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NOAA (National Oceanic and Atmospheric Administration)
NOAA has weather and ocean data. This link will take you to the Mid-Atlantic Page.