Lake Superior nautical charts

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 nautical charts

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 nautical charts

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 nautical charts

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 nautical charts

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 [...]

NOAA charts for Savannah

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 [...]

Nautical charts for Charleston

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 [...]

Interactive NOAA charts for New York Harbor

The approach to New York Harbor from seaward is generally along the south coast of Long Island or the east coast of New Jersey, although the harbor is easily approached from any direction between east and south. During the approach, the south shore of Long Island will be seen to northward and the low sandy [...]

Erie Islands, Sandusky Bay Maps, Charts, and Weather

The Erie Islands and Sandusky are the most active boating area on the Great Lakes and feature the most boats per capita in the USA. This area is rich in history and featured large during the War of 1812 and the naval battles around Put-In-Bay Island. For modern day adventure, Cedar Point Amusement [...]

 

Gulf of Mexico Lease Block Charts

Lease Block charts are a common tool for offshore fishing.
Our new EarthNC Chartviewer features the full set of Gulf Lease Block charts for free online viewing. Here are direct links to each of the charts:
- Chart 1113A – Lease Block for Havana to Tampa Bay
- Chart 1114A – Lease Block for Tampa [...]

 

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