NHC Marine Weather Discussion

000

AGXX40 KNHC 281740

MIMATS

MARINE WEATHER DISCUSSION

NWS NATIONAL HURRICANE CENTER MIAMI FL

140 PM EDT SUN JUN 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 FOR

WINDS. TAFB NWPS BLENDED WITH PREVIOUS OFFICIAL FOR WAVES. HIGH

CONFIDENCE.

RIDGE AXIS EXTENDS FROM SOUTH FLORIDA TO THE NW GULF. LATEST

SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN

DATA DEPICT LIGHT TO GENTLE WINDS ALONG THE RIDGE AXIS AND GENTLE

TO MODERATE WINDS OVER THE NORTHERN AND SOUTHERN GULF. SEAS ARE IN

THE 1-3 FT RANGE OVER THE MAJORITY OF THE GULF EXCEPT FOR THE SE

GULF WHERE SEAS ARE IN THE 4-5 FT RANGE. A THERMAL TROUGH WILL

DEVELOP OVER THE YUCATAN EACH EVENING...DRIFT WESTWARD INTO THE SW

GULF...THEN DISSIPATE OVER THE SW GULF EARLY EACH MORNING. A

LOCALLY TIGHTER GRADIENT BETWEEN THE RIDGE AND THE TROUGH WILL

FRESHEN WINDS DURING THE EVENING AND OVERNIGHT HOURS. THE RIDGE

WILL PREVAIL OVER THE GULF WATERS THROUGH THE FORECAST PERIOD.

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

55W AND 64W...

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL FOR

WINDS. TAFB NWPS BLENDED WITH PREVIOUS OFFICIAL FOR WAVES. HIGH

CONFIDENCE.

LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...

AND CMAN DATA DEPICT STRONG TO NEAR GALE WINDS OVER THE S CENTRAL

CARIBBEAN WITH FRESH TO STRONG WINDS OVER THE N CENTRAL CARIBBEAN.

FRESH TRADES PREVAIL OVER THE E CARIBBEAN...AND MODERATE TO FRESH

TRADES OVER THE WESTERN CARIBBEAN AND TROPICAL N ATLC WATERS. SEAS

ARE IN THE 10-16 FT RANGE OVER THE S CENTRAL CARIBBEAN...8-10 FT

OVER THE N CENTRAL CARIBBEAN...5-7 FT OVER THE E CARIBBEAN...4-6

FT OVER THE W CARIBBEAN...AND 7-8 FT OVER THE TROPICAL N ATLC

WATERS. THE RIDGE N OF THE AREA WILL REMAIN STRONG CONTINUING FOR

A TIGHT PRESSURE GRADIENT TO SUPPORT THE STRONG TRADEWIND FLOW

OVER THE WATERS. WINDS WILL PULSE TO MINIMAL GALE FORCE OVER THE

LATE NIGHT AND EARLY MORNING HOURS OFF THE COAST OF COLOMBIA. A

LARGE FETCH OF FRESH TRADES S OF THE SUBTROPICAL HIGH WILL

MAINTAIN SEAS IN THE 6-8 FT RANGE OVER THE TROPICAL N ATLC WATERS.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL FOR

WINDS. TAFB NWPS BLENDED WITH PREVIOUS OFFICIAL FOR WAVES. HIGH

CONFIDENCE.

RIDGE AXIS EXTENDS FROM NEAR 27N65W TO S FLORIDA. LATEST

SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN

DATA DEPICT GENTLE TO MODERATE WINDS PREVAILING ACROSS THE SW N

ATLC WATERS. SEAS ARE IN THE 4-6 FT RANGE OUTSIDE THE

BAHAMAS...AND 1-3 FT W OF THE BAHAMAS. THE RIDGE WILL PREVAIL OVER

THE SW N ATLC WATERS THROUGH IT WILL SHIFT SLIGHTLY NORTHWARD

EARLY IN THE WEEK WHERE IT WILL REMAIN THROUGH THE WEEK. WINDS

WILL STRENGTHEN ALONG THE N COAST OF HISPANIOLA AND THE ATLC

APPROACH TO THE WINDWARD PASSAGE DURING THE LATE AFTERNOONS INTO

EARLY EVENINGS.

$$

.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...

.AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIABASIN...

GALE WARNING TONIGHT INTO TUE.

GALE CONDITIONS POSSIBLE TUE NIGHT INTO WED.

.SW N ATLANTIC INCLUDING THE BAHAMAS...

NONE.

$$

*FOR DETAILED ZONE DESCRIPTIONS PLEASE VISIT:

WWW.NHC.NOAA.GOV/ABOUTTAFBPROD.SHTML#OWF

NOTE: GRIDDED MARINE FORECASTS ARE AVAILABLE IN THE

NATIONAL DIGITAL FORECAST DATABASE (NDFD) AT:

WWW.NHC.NOAA.GOV/MARINE/GRIDS.PHP

FOR ADDITIONAL INFORMATION PLEASE VISIT:

HTTP://WWW.HURRICANE WARNINGS.GOV/MARINE

$$

.FORECASTER AL. NATIONAL HURRICANE CENTER.

http://www.nhc.noaa.gov/text/MIAMIMATS.shtml