000
AGXX40 KNHC 290813
MIMATS

Marine Weather Discussion
NWS National Hurricane Center Miami FL
413 AM EDT Tue Sep 29 2020

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 strong cold front extends across the basin from 30N86W to
21N97W. The front will continue moving SE across the basin. In
the wake of the front, strong northerly winds are expected in
the western half of the basin, with gale force winds expected
west of 95W on this morning. A secondary frontal boundary will
drop southward to the northern Gulf early on Fri and reach the
far southwestern Gulf by Fri evening. Strong high pressure will
build in behind this front. The pressure gradient between the
front and broad low pressure that is expected to form over the
western Caribbean by the end of the week is expected to freshen
the northeast winds over most of the southeastern Gulf by the
end of the week. These winds may reach strong speeds on Sat
along with building seas.  

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

Moderate to fresh trade winds over the central Caribbean will
increase to fresh to strong speeds by mid-week. Moderate winds
will continue elsewhere, except for gentle winds over the
northwestern Caribbean. A tropical wave, currently located along
73W, will continue moving westward across the basin through the
period accompanied by active weather and enhanced winds along
with building seas. This feature is expected to become part of a
broad low pressure area over the western Caribbean over the next
few days.  

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

Weak high pressure over the western Atlantic is maintaining
gentle to moderate winds across the area. The high  pressure
will begin retreat eastward through Wed in response to a cold
front that will be moving across the southeastern U.S. This
front will reach the southeastern U.S. coast tonight and  move
over the northwest part of the area through Wed. The front  will
weaken through the end of the week. Scattered showers and 
thunderstorms are expected ahead of the cold front.   

$$

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

.GULF OF MEXICO...
.GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W...
     Gale Warning early today into today. 
.GMZ023...SW GULF S OF 22N W OF 94W...
     Gale Warning today into tonight. 

.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 ERA. National Hurricane Center.