927
AGXX40 KNHC 141703
MIMATS
MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
103 PM EDT WED MAY 14 2008
MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND
SOUTHWEST NORTH ATLC S OF 31N W OF 55W.
UPPER LEVELS...
STRONG SHORTWAVE IS OVER THE ATLANTIC AREA NORTH OF 18N. A RIDGE
IS OVER THE CARIBBEAN AND THE GULF OF MEXICO. THE TROUGH WILL
MOVE TO EAST OF 60W FRIDAY WITH THE RIDGE OVER THE ENTIRE AREA
AND CENTERED OVER WESTERN CUBA TO BAY OF CAMPECHE. THE RIDGE
WILL WEAKEN NORTH OF 22N AS WESTERLY WINDS EXPEND SOUTHWARD OVER
THE NORTHERN PART OF THE AREA FRIDAY AND SATURDAY. BY MONDAY
WEAK RIDGE IS SOUTH OF 22N WITH MODERATE WESTERLIES NORTH OF 25N.
SURFACE...
LOW NORTH OF THE AREA WILL MOVE LITTLE AND WEAKEN THROUGH FRIDAY
WHEN IT WILL MOVE NORTHEAST. THE SURFACE FEATURES WILL MORE OR
LESS MIMIC THE UPPER LEVEL SCENARIO. NORTHERLY SWELL ASSOCIATED
WITH THE SURFACE LOW WILL IMPACT THE ATLANTIC AREA THROUGH
FRIDAY WITH SWELL TO 14 FT TONIGHT GRADUALLY SUBSIDING TO 8 FT
EARLY FRIDAY. THE WIND OF 20 KNOTS OR MORE ASSOCIATED WITH THE
SYSTEM WILL MOVE EAST OF 65W THURSDAY. THE HIGH WEST OF THE
LOW/TROUGH FEATURE WILL CAUSE RETURN FLOW OF NEAR 20 KNOTS IN
THE GULF OF MEXICO DECREASING THURSDAY BUT BEGINNING IN THE
ATLANTIC AREA THURSDAY. A FRONT ASSOCIATED WITH A SHORTWAVE IN
THE WESTERLY FLOW WILL MOVE OFF THE UPPER TEXAS COAST THURSDAY
NIGHT. SOUTHWESTERLY FLOW AHEAD OF THE FRONT WILL BEGIN IN THE
ATLANTIC AREA NORTH OF 28N THURSDAY NIGHT AND FRIDAY. COLD FRONT
WILL MOVE OFF GEORGIA COAST FRIDAY EVENING. MOST OF THE
ASSOCIATED WIND WILL BE EAST OF THE FRONT BECAUSE THERE IS ONLY
A VERY WEAK HIGH PRESSURE WEST OF THE FRONT. THE SOUTHWESTERLY
WINDS WILL MOVE EAST OF 65W LATE SUNDAY WITH RATHER WEAK WINDS
OVER THE AREA MONDAY.
CARIBBEAN TRADES OF NEAR 20 KNOTS WILL BE CONFINED TO SOUTH OF
15N EXCEPT FOR SOUTHEAST WINDS TO 20 KNOTS IN THE GULF OF
HONDURAS.
WARNINGS...
ATLC...
NONE.
CARIBBEAN...
NONE.
GULF OF MEXICO...
NONE.
.FORECASTER LL. TROPICAL PREDICTION CENTER.
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