000
AGXX40 KNHC 261854
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
254 PM EDT FRI JUL 26 2013

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/ECMWF/OFFICIAL BLEND WITH GOOD CONFIDENCE.

RIDGE ALONG 26N PREVENTS SOUTHWARD INTRUSION OF WEAK TROUGH ALONG
N GULF COAST WHILE FRONT TO THE N MOVES NORTHWARD SAT. LIGHT TO
GENTLE BREEZE EXPECTED THROUGHOUT REGION EXCEPT ALONG COAST OF
TEXAS AND IN EXTREME NORTHERN PORTION ALONG TROUGH. FORECAST
GUIDANCE IN GOOD AGREEMENT AND LITTLE CHANGE EXPECTED THROUGH 
FORECAST PERIOD. SEAS EXPECTED TO REMAIN 3 FT OR LESS THROUGH TUE.

...CARIBBEAN SEA AND TROPICAL N ATLANTIC...                    
MODEL PREFERENCE: GFS/ECMWF/OFFICIAL BLEND WITH GOOD CONFIDENCE. 
NWPS WAS FOR WAVE HEIGHT AND WAVE PERIOD.

TIGHT GRADIENT BETWEEN RIDGE TO THE N AND LOW PRES OVER COLOMBIA
MAINTAINS STRONG TO NEAR GALE FORCE WINDS ACROSS CENTRAL
CARIBBEAN. T.S. DORIAN TRACKS INTO SW N ATLC AND EASES PRES
GRADIENT RESULTING IN DIMINISHING WINDS AND SEAS THROUGH EARLY
NEXT WEEK. DORIAN APPROACHES NE CARIBBEAN LATE SUN/EARLY MON.
SEAS MAY BUILD TO 11 FT THROUGH ANEGADA AND OTHER ATLC PASSAGES.

...SW N ATLANTIC W OF 55W INCLUDING THE BAHAMAS...               
MODEL PREFERENCE: GFS/OFFICIAL BLEND WITH MODERATE CONFIDENCE.

WEAK TROUGH OFF NE FLORIDA STALL TODAY WHILE WEAK FRONT DIPS OVER
S.E. U.S. LIFTING NE THROUGH SAT. HIGH PRES RIDGE ALONG 28N
REMAINS THROUGH SUN THEN RETREAT E AS T.S. DORIAN MOVES CLOSER TO
LEEWARD ISLANDS SAT NIGHT AND SUN AND N OF VIRGIN ISLANDS AND
PUERTO RICO TOWARD SOUTHERN BAHAMAS AND TURKS AND CAICOS THROUGH
TUE. REFER TO LATEST FORECAST/ADVISORY AWIPS/WMO HEADERS
MIATCMAT4/WTNT24 KNHC AND PUBLIC ADVISORY AWIPS/WMO HEADERS
MIATCPAT4/WTNT34 KNHC FOR MORE DETAILS ON TROPICAL STORM DORIAN.

$$

.WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE
COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE:

.GULF OF MEXICO...
GMZ011...NONE.
GMZ013...NONE.
GMZ015...NONE.
GMZ017...NONE.
GMZ019...NONE.
GMZ021...NONE.
GMZ023...NONE.
GMZ025...NONE.

.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
AMZ011...NONE.
AMZ013...NONE.
AMZ015...NONE.
AMZ017...NONE.
AMZ019...NONE.
AMZ021...NONE.
AMZ023...NONE.
AMZ025...NONE.
AMZ027...TROPICAL STORM WARNING TODAY INTO MON NIGHT. 
AMZ029...NONE.
AMZ031...NONE.
AMZ033...NONE.
AMZ035...NONE.
AMZ037...NONE.
AMZ039...NONE.

.SW N ATLANTIC INCLUDING THE BAHAMAS...
AMZ111...NONE.
AMZ113...NONE.
AMZ115...NONE.
AMZ117...NONE.
AMZ119...NONE.
AMZ121...NONE.
AMZ123...NONE.
AMZ125...NONE.
AMZ127...TROPICAL STORM WARNING TODAY INTO MON NIGHT. 

*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.HURRICANES.GOV/MARINE

$$
.FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.