Marine Interpretation Message
Issued by NWS

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AGXX40 KNHC 281855
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
155 PM EST SAT FEB 28 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: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL
FORECAST. MWW3 FOR WAVE PARAMETERS. HIGH CONFIDENCE.

STRONG HIGH PRESSURE CENTERED N OF THE AREA IS PRODUCING FRESH TO
STRONG WINDS ACROSS THE N WATERS...MAINLY N OF 26N WITH SEAS UP
TO 9 FT. THESE MARINE CONDITIONS ARE EXPECTED TO PERSIST THROUGH
SUN MORNING. MODERATE TO FRESH WINDS ARE NOTED BEHIND A DISSIPATING
STATIONARY FRONT ACROSS THE SE WATERS. A TROUGH PREVAILS OVER THE
SW GULF...WHERE GENTLE TO MODERATE WINDS ARE SEEN BASED ON
SCATTEROMETER DATA. A RIDGE IS FORECAST TO PERSIST ACROSS THE GULF
WATERS THROUGH TUE WHILE A TROUGH WILL REMAIN OVER THE SW WATERS.
SE RETURN FLOW WILL DEVELOP OVER THE WESTERN GULF MON...AND
SPREADING OVER THE ENTIRE REGION TUE. A COLD FRONT WILL ENTER THE
FAR NW WATERS WED WITH INCREASING WINDS AND SEAS IN ITS WAKE.
MARINE GUIDANCE SUGGESTS NORTHERLY GALE FORCE WINDS BEHIND THE
FRONT AFFECTING THE WESTERN GULF TUE AND TUE NIGHT.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL
FORECAST. MWW3 FOR WAVE PARAMETERS. HIGH CONFIDENCE.

ONCE AGAIN THIS MORNING A WINDSAT PASS CONFIRMED THE PRESENCE OF
OF GALE FORCE WINDS NEAR THE COAST OF COLOMBIA...PARTICULARLY
FROM 11N TO 13N BETWEEN 73W AND 77W WITH SEAS OF 10-13 FT. WINDS
WILL CONTINUE TO PULSE TO GALE FORCE OFF THE COAST OF COLOMBIA
DURING THE OVERNIGHT AND EARLY MORNING HOURS EACH NIGHT WITH BUILDING
SEAS TO 14-15 FT TONIGHT INTO SUN MORNING...AND SUN NIGHT INTO MON
MORNING. A GALE WARNING REMAINS IN EFFECT THROUGH THE NEXT 48 HOURS.
SCATTEROMETER PASSES PROVIDED OBSERVATIONS OF FRESH TO STRONG
WINDS ACROSS THE REMAINDER OF THE CENTRAL CARIBBEAN AS WELL AS THE
EASTERN CARIBBEAN AND TROPICAL N ATLC WATERS. GENTLE TO MODERATE
WINDS PREVAIL OVER THE WESTERN WATERS. A STRONG RIDGE WILL PREVAIL
N OF THE AREA THROUGH MON. THIS WILL RESULT IN FRESH TO STRONG
TRADE WINDS OVER THE EASTERN HALF OF THE CARIBBEAN AS WELL AS THE
TROPICAL N ATLC. THEN...WINDS WILL SLIGHTLY DECREASE OVER THESE
AREAS BY THE BEGINNING OF NEXT WEEK AS A COLD FRONT MOVES ACROSS
THE SW N ATLC.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL
FORECAST. MWW3 FOR WAVE PARAMETERS. HIGH CONFIDENCE.

A STATIONARY FRONT EXTENDS FROM 31N66W TO SE FLORIDA. FRESH TO
STRONG WINDS ARE NOTED PER A RECENT ASCAT PASS IN THE WAKE OF THE
FRONT WHICH IS FORECAST TO LIFT NORTHWARD AND ALIGN ALONG 27N
EARLY SUN BEFORE DISSIPATING LATE SUN. FRESH TO LOCALLY STRONG
WINDS ARE ALSO OBSERVED ACROSS THE SOUTH WATERS MAINLY S OF 22N.
A RIDGE WILL DOMINATE THE FORECAST WATERS THE REMAINDER OF THE
WEEKEND PRODUCING FRESH TO STRONG WINDS MAINLY W OF 70W ON SUN.
SEAS ARE FORECAST TO BUILD TO 10 FT ACROSS THE NW WATERS WITH THE
PERSISTENT EASTERLY FLOW. THE AREA OF HIGH PRESSURE WILL SHIFT
EASTWARD ALLOWING THE NEXT COLD FRONT TO ENTER THE FORECAST AREA
MON. THE FRONT WILL RAPIDLY SHIFT ACROSS THE NORTHERN WATERS AND E
OF THE AREA BY TUE AS HIGH PRESSURE ONCE AGAIN BUILDS BEHIND THE
FRONT.

$$

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

.GULF OF MEXICO...
.GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W...
     GALE CONDITIONS POSSIBLE THU INTO THU NIGHT.
.GMZ023...SW GULF S OF 22N W OF 94W...
     GALE CONDITIONS POSSIBLE THU INTO THU NIGHT.
.GMZ025...E BAY OF CAMPECHE INCLUDING CAMPECHE BANK...
     GALE CONDITIONS POSSIBLE THU NIGHT.

.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
.AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN...
     GALE WARNING TODAY INTO MON.
     GALE CONDITIONS POSSIBLE MON NIGHT.
     GALE CONDITIONS POSSIBLE TUE NIGHT.
     GALE CONDITIONS POSSIBLE WED NIGHT.

.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 GR. NATIONAL HURRICANE CENTER.



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