Check out the first set of tools here Click to read it here
Navionics web app gives you depth contour maps of most bodies of water, this works for most navigable areas. This gives you an idea of the underwater features like channel edges and reefs. https://webapp.navionics.com/#boating@6&key=sxouDnpadP
Accurate real time Lake Pontchartrain wind speeds - http://www.thecauseway.us/
Daily true color satellite images as long as its not cloudy. This is great for finding where the clean water is in the marsh as you zoom in you can tell whats muddy and whats clean water.
Reef locations in Louisiana