000
AGXX40 KNHC 082041 AAA
MIMATS

Marine Weather Discussion...UPDATED
NWS National Hurricane Center Miami FL
441 PM EDT Tue May 8 2018

Updated Caribbean Sea and Tropical N Atlantic section

Marine Weather Discussion for the Gulf of Mexico, Caribbean Sea,
and Tropical North Atlantic from 07N to 19N between 55W and 64W
and the Southwest North Atlantic including the Bahamas

...GULF OF MEXICO...

A weakening stationary front extends from the Florida Keys to 
23N90W. The front will dissipate by Tue morning. High pressure 
measuring 1021 mb is centered S of Louisiana near 27N92W. The 
high will gradually shift E toward the NE Gulf through Fri, then
into the Atlc Sat. A weak thermal trough will move over the 
eastern Bay of Campeche from the Yucatan during the morning then
dissipate during the afternoon each day beginning Wed.
Otherwise, a relatively quiet weather pattern will remain in 
place through the end of the week as deep layer high pressure 
remains in place over the basin.

...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...Updated

A surface trough extending from W central Cuba to low pressure 
of 1014 mb near 20N will drift westward through Wed night and 
dissipate Thu. Anoher surface trough extends from near 18N80W to 
12N77W. Scattered showers and isolated thunderstorms are noted 
from 14N to 18N east of the trough to 77W. This trough will move 
westward through Thu while weakening. Trades will increase 
across much of the central Caribbean and also the western half of
the eastern Caribbean beginning late on Thu and through Sun as 
central Atlantic high pressure builds westward. 

...SW N ATLANTIC INCLUDING THE BAHAMAS...

A weakening stationary front extends from 31N75W to 26N78W, then
is dissipating to the Straits of Florida. A a large area of
scattered showers and thunderstorms exits between the front and
71W. The front will dissipate by early Thu. Its remnants along 
with the southern portion of the shower and thunderstorm
activity will move westward towards S Florida Thu night through 
the much of the upcoming weekend. Fresh to strong south winds N 
of 28N between 70W and 74W will diminish to fresh speeds Wed and
to gentle to moderate speeds Thu. High pressure ridging extending
SW from the central Atlantic will support gentle to moderate 
east to southeast winds over the area Wed night through Sun 
night, except fresh to locally strong winds will pulse daily 
during the afternoon and evening between the SE Bahamas and the 
coast of Hispaniola during the period. 

$$

.WARNINGS...Any changes impacting coastal NWS offices will be
coordinated through AWIPS II Collaboration Chat, or by
telephone:

.GULF OF MEXICO...
     None.

.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
     None.

.SW N ATLANTIC INCLUDING THE BAHAMAS...
     None.

$$

*For detailed zone descriptions, please visit:
http://www.nhc.noaa.gov/abouttafbprod.shtml#OWF

Note: gridded marine forecasts are available in the National
Digital Forecast Database (NDFD) at:
http://www.nhc.noaa.gov/marine/grids.php

For additional information, please visit:
http://www.nhc.noaa.gov/marine

$$

.Forecaster Aguirre. National Hurricane Center.