4.4.1 Coastal warnings broadcast information which
is necessary for safe navigation within areas seaward of the fairway
buoy or pilot station, and should not be restricted to main shipping
lanes. Where the area is served by NAVTEX, it should provide navigational
warnings for the entire NAVTEX service area. Where the area is not
served by NAVTEX, it is necessary to include all warnings relevant
to the coastal waters up to 250 miles from the coast in the International
SafetyNET service broadcast.
4.4.2 Coastal warnings should include at least
the subjects in 4.2.2.