Marine Interpretation Message
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000
AGXX40 KNHC 220757
MIMATS

Marine Weather Discussion
NWS National Hurricane Center Miami FL
357 AM EDT Sun Oct 22 2017

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...

Moderate SE winds cover the area from 90W westward. Fresh-to-
strong easterly winds cover the area that is from 23N northward
from 86W eastward.

A cold front is forecast to move from the Texas coast into the NW
corner of the area, during the hours after sunrise. The cold
front will be along the line from the FL Big Bend, to the central
Gulf of Mexico, to the SW corner of the area near 18.5N95W around
sunset on Monday. Gale-force northerly winds are forecast in the
coastal areas of Veracruz Mexico, starting around noon on Monday.
The gale-force winds are forecast to last for 24 hours or so.

Areas of 20-25 knot winds will develop in the NW corner during
the late night hours of Sunday and early morning hours of Monday,
with the front in the central Gulf. Areas of 20 to 25 knot winds
will develop in the western coastal sections of Mexico, within 90
nm to 150 nm of the coast from 25N southward, during the early
morning hours of Monday into Tuesday afternoon, as far as 92W.
The area will expand as far as 26N and to 89W, from Tuesday
afternoon until the early morning hours of Wednesday. Other areas
of 20 to 25 knot winds will develop in the NE corner, and spread
southeastward with time, from sunset on Tuesday until just after
sunrise on Wednesday.

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

A tropical wave currently is moving through the NW corner of the
area. Scattered moderate to isolated strong rainshowers are from
21N southward from 82W westward. The wave is forecast to move
into Central America during the next 24 hours. The wave is
forecast to dissipate by 48 hours.

Easterly winds, with speeds ranging from 20 to 25 knots, span
a large part of the area that goes from 18N/19N southward between
62W and Central America. Sea heights that range from 8 feet to 11
feet also are in this area. The 20 to 25 knot winds will continue
until nearly noon on Monday. The 8 foot sea heights will continue
until nearly noon on Tuesday.

Northerly 20 to 25 knot winds are forecast to move through the
Yucatan Channel, into the far NW corner of the area, reaching the
Gulf of Honduras, from sunrise on Wednesday until noon on
Wednesday. 20 to 25 knot winds will be in the coastal waters from
the Gulf of Honduras to 85W, along the coast of Honduras, from
sunset on Wednesday until sunset on Thursday.

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

Strong high pres building over the W Atlc will maintain fresh to
locally strong E to SE winds, especially S of 22N through
Monday. A cold front is forecast to move off the SE Coast Tuesday
morning. Strong S winds and seas building to 8 ft can be
expected N of 30N W of 75W. The front could be accompanied by
showers and thunderstorms capable of producing strong gusty winds
and rough seas. The front will weaken as it heads SE Thu and Thu
night. High pressure will slide ENE from The Gulf of mexico just
after midnight on Friday near 30N75W, supporting light to
moderate winds in the region.

$$

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

.GULF OF MEXICO...
.GMZ023...SW GULF S OF 22N W OF 94W...
     Gale Warning Mon into Mon night.
     GALE CONDITIONS POSSIBLE Tue.

.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 MT. National Hurricane Center.


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