000
AGXX40 KNHC 211741
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
141 PM EDT TUE JUL 21 2015

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN
SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND
64W...AND THE SW N ATLANTIC INCLUDING THE BAHAMAS.

...GULF OF MEXICO...
 
MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST. HIGH
CONFIDENCE.

A WEAK RIDGE EXTENDS ACROSS THE GULF OF MEXICO ALONG 26N FROM S 
FLORIDA TO SOUTHERN TEXAS. MODEL GUIDANCE INDICATES THE RIDGE 
WILL REMAIN FIRMLY ENTRENCHED ALONG 26-27N FOR SEVERAL MORE DAYS 
WELL INTO THE WEEKEND. LIGHT TO GENTLE WINDS ARE EXPECTED WITHIN 
60-90 NM OF THE RIDGE AXIS...WITH GENTLE TO MODERATE WINDS 
ELSEWHERE. SEAS WILL REMAIN 4 FT OR LESS OVER THE ENTIRE REGION 
THROUGH THE WEEKEND.

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

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST. HIGH
CONFIDENCE.

.HIGH PRES N OF THE AREA WILL MAINTAIN MODERATE TO
FRESH TRADES THROUGH THE WEEKEND. A WAVE ALONG 75W WILL CONTINUE
TO MOVE THROUGH THE W CARIBBEAN TONIGHT AND MOVE INTO CENTRAL
AMERICA WED AND THU. A TROPICAL WAVE ALONG 67W WILL MOVE INTO THE
WESTERN CARIBBEAN THU. ANOTHER TROPICAL WAVE ALONG 54W WILL MOVE
ACROSS THE TROPICAL N ATLC THROUGH TONIGHT REACHING THE EASTERN
CARIBBEAN WED LATE AND MOVE INTO THE CENTRAL CARIBBEAN THU.

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

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST. HIGH
CONFIDENCE.

A RIDGE ALONG 26N TO THE FLORIDA STRAITS WILL SHIFT S TO NEAR 
25N TONIGHT WITH LITTLE CHANGE EXPECTED THROUGH EARLY FRI...THEN 
RETREAT EASTWARD AND WEAKEN FRI NIGHT AND SAT AS WEAK LOW PRES 
MOVES OFF THE SE U.S. COAST. A TROUGH OVER NW WATERS TONIGHT AND 
WED WILL ALLOW SW WINDS TO INCREASE IN NORTHERN WATERS W OF 70W  
THROUGH WED NIGHT. THE NORTHERN PORTION OF A WEAK TROPICAL WAVE 
ALONG 64W WILL MOVE ACROSS SOUTHERN WATERS THROUGH THU TO BRING 
AN INCREASE IN DEEP LAYER MOISTURE AND RAIN CHANCES TO THE AREA 
BUT NOT MUCH IN THE WAY OF INCREASED WINDS OR SEAS.

$$

.WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE
COORDINATED THROUGH AWIPS 12 PLANET 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.HURRICANE WARNINGS.GOV/MARINE

$$

.FORECASTER DGS. NATIONAL HURRICANE CENTER.