Commandant
2100 Second Street, S.W.
United States Coast Guard
Washington, DC 20593-0001
(202) 267-1450
COMDTINST 3140.3D
13 JAN 1988
COMMANDANT INSTRUCTION 3140.3D
Subj: Coastal Weather Program
1.
PURPOSE. To set forth policy for weather observation, reporting, and dissemination from
Coast Guard shore units and offshore light stations; and, to direct the coordination with the
National Weather Service (NWS) for these activities.
2.
DIRECTIVES AFFECTED. Commandant Instruction 3140.3C is canceled.
3.
PROGRAM OBJECTIVES. To support the National Weather Service in conducting its
federally-mandated weather forecasting and dissemination program by:
a.
Designating those stations and units required to report weather observations.
b.
Ensuring that weather reports are made in the suitable format as prescribed by the NWS.
c.
Ensuring that uniform and timely communication procedures and methods are used to
convey this information to the NWS.
d.
Providing procedures for units not participating in a regular weather reporting program
which may be required to make weather observations in support of NWS special
programs.
4.
POLICY. Title 14 Section 147 of the U.S. Code authorizes the Commandant to procure,
maintain, and make available facilities and assistance for observing, investigating, and
communicating weather phenomena and for disseminating weather data, forecasts and
warnings in cooperation with the Director of the National Weather Service. To this end the
Commandant supports a program to ensure the high quality and quantity of weather
observations for NWS marine weather forecasts. The Coast Guard, as a user, depends upon
high quality forecasts for our missions in the marine environment.
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