- Dermowatch
- National Data Buoy Center Station Locations and Information
- National Water Level Observation Network (NWLON)
- National Water Level Observation Network (NWLON) Station Locator
- Hydrometeorological Networks in the United States
- SAIC's DODS Server for the Gulf of Mexico
- US Army Corps of Engineers (CoE) Wave Data Sites
- NCDDC Portal
- Texas Automated Buoy System (TABS)
- Texas Coastal Ocean Observation Network (TCOON)
- Gulf of Mexico Distributed Ocean Data System
- Galveston Bay Estuary Program
- Physical Oceanographic Real-Time System (PORTS) - Houston/Galveston
- Texas National Estuarine Research Reserve (NERR)
- National Data Buoy Center (NDBC) Moored Buoys and C-MAN Stations - Western Gulf of Mexico
- Louisiana Universities Marine Consortium Environmental Monitoring (LUMCON)
- Wave Current Surge Information System (WAVCIS)
- Grand Bay (Mississippi) National Estuarine Research Reserve (NERR)
- Mississippi Department of Marine Resources Data
- Mississippi Beach Monitoring Program
- Mississippi Oyster Reefs (low quality image)
- 2005 Mississippi Tide, Sun, and Moon Tables
- Weeks Bay (Alabama) National Estuarine Research Reserve (NERR)
- National Data Buoy Center (NDBC) Moored Buoys and C-MAN Stations - Florida and Eastern Gulf of Mexico
- NEGOM Hydrographic data
- West Florida Coastal Ocean Monitoring and Prediction System (COMPS)
- Physical Oceanographic Real-Time System (PORTS) - Tampa Bay
- Florida Inshore Marine Monitoring and Assessment Program (IMAP)
- Apalachicola Bay (Florida) National Estuarine Research Reserve (NERR)
- Rookery Bay (Florida) National Estuarine Research Reserve (NERR)
- Florida Marine Research Institute Red Tide monitoring
- USGS real-time water data (stream flow data)
