NavWarn

Navigational Warnings (Notices to Mariners) are issued regularly by the coastguard to warn of hazards to shipping around the coast. With this app you can download the latest warnings that may affect your activity on the water.

Results are displayed as a list, and also plotted on a map to help locate warning important to you.

The data types included are:

Aids to Navigation (buoys, lights etc)
Obstructions
Floating Hazards
Marine Communications
Marine Works
Waterway Information
Military Exercises
Ice and Ice control
Offshore Works
Recreational Events