Welcome to EarthNC Marine Charts Mobile for iPad and iPhone!
Available now from the iTunes App Store, EarthNC Marine Charts
brings seamless nationwide Nautical Charting, Weather, and Marine Data to the
iPad and iPhone platforms.
There are several existing nautical navigation charts available today, so what makes EarthNC Marine Charts special?
Simple, Complete Charting:
With seamless charting there are no [...]
Lake Superior, the largest freshwater lake in the world, is the northernmost, westernmost, highest, and deepest of the five Great Lakes. The lake is fed by the waters of many short swift-flowing streams and drains through the St. Marys River into Lake Huron. The shores of the lake are generally high, rocky, and forested. The [...]
Lake Michigan is the third largest of the Great Lakes and is the only one entirely within the United States. The only natural outlet of the lake is at the N end through the Straits of Mackinac. At the S end of the lake, the Illinois Waterway provides a connection to the Mississippi River and [...]
Lake Huron is the second largest of the Great Lakes. Three large bays extend from the main body of the lake, Saginaw Bay on the W side and North Channel and Georgian Bay on the NE side. The lake receives the waters of Lake Michigan through the Straits of Mackinac and those of Lake Superior [...]
Lake Erie is the southeasternmost and fourth largest of the five Great Lakes. With a greatest depth of 210 feet, it is the shallowest of the lakes and the only one with a floor above sea level. The deepest part of the lake is generally at the E end, while the island region in the [...]
Lake Ontario is the smallest and easternmost of the Great Lakes. The lake is comparatively deep; the greatest depth is 802 feet, and the average depth is 283 feet, much in excess of the greatest depth of Lake Erie. Lake Ontario is fed chiefly by the waters of Lake Erie by way of the Niagara [...]
The Great Lakes system includes Lakes Ontario, Erie, Huron, Michigan, and Superior, their connecting waters, and the St. Lawrence River. It is one of the largest concentrations of fresh water on the earth. The system, including the St. Lawrence River above Iroquois Dam, has a total shoreline of about 11,000 statute miles (9,559 nm), a [...]
The Florida Keys consist of a remarkable chain of low islands, beginning with Virginia Key and extending in a circular sweep to Loggerhead Key, a distance of about 192 miles. For some 100 miles of that distance they skirt the southeast coast of the Florida Peninsula, from which they are separated by shallow bodies of [...]
The coast from Savannah River to St. Johns River extends in a south-southwesterly direction for about 100 miles. Islands separated by numerous sounds and rivers constitute the entire coast. In general these islands are heavily wooded with marshy areas bordering them on their western sides. The 5-fathom curve extends about 7 miles offshore except in [...]
The coastline from Charleston Harbor to Savannah River is low and timbered, trends in a southwesterly direction for 65 miles and is broken by St. Helena, Port Royal, and Calibogue Sounds, and by numerous inlets from which there is access to the interior by way of the rivers emptying into them. Shoal water extends 3 [...]
