000
AGXX40 KNHC 310752
MIMATS

MARINE WEATHER DISCUSSION   
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
400 AM EDT MON MAY 31 2010

MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND 
SOUTHWEST NORTH ATLC S OF 31N W OF 55W

GULF OF MEXICO...
WEAK RIDGE ALONG 26N MAINTAIN LIGHT TO GENTLE BREEZE AND SLIGHT SEAS 
ACROSS ENTIRE GULF TODAY.  RIDGE IS REINFORCED BY WESTERN EXTENSION 
OF ATLC HIGH PRES LATE MON THROUGH WED.  THIS MAY INCREASE E WINDS 
ALONG SOUTHERN HALF OF BASIN WITH WINDS BECOMING MODERATE BREEZE AND 
SEAS TO 5 FT.  MODEL GUIDANCE AGREE ON DOMINANCE OF RIDGE ACROSS 
GULF FROM THU AND FRI...ALTHOUGH DIFFERING IN ITS STRENGTH.  ONLY 
OUTLIER IS CANADIAN MODEL WHICH BRINGS REMNANTS OF AGATHA ACROSS 
YUCATAN PENINSULA INTO STRAITS OF FLORIDA AS A 1008 MB LOW PRES.
FORECAST COMPROMISE PUTS A WEAK TROUGH BETWEEN ATLC AND GULF HIGH 
PRES CENTERS ALLOWING INCREASE IN WINDS OVER EASTERN GULF ZONE WED 
THROUGH FRI. 

SW N ATLC...
TROUGH NEAR FAR SE WATERS BRING STRONG NE BREEZE INTO FAR EASTERN 
EDGES OF ZONE ALONG WITH MODERATE NE SWELLS.  TROUGH WEAKENS AND 
PULLS FARTHER AWAY FROM ZONE AS HIGH PRES CENTER 1023 MB MOVES S 
INTO SW N ATLC ALONG 28N TODAY AND TUE THEN SHIFT E WED THROUGH 
FRI.  THIS ACTION GIVES CREDIBILITY TO THE POSSIBLE TROUGH MOVING  
NE ACROSS STRAITS OF FLORIDA...AS MENTIONED IN ABOVE PARAGRAPH.

TROPICAL ATLC AND CARIBBEAN...
WEAK TROUGH ACROSS CENTRAL CARIBBEAN FROM HISPANIOLA TO NE COLOMBIA 
HAS FLATTENED PRES GRADIENT BRINGING LIGHT TO GENTLE E-SE BREEZE TO 
MOST OF BASIN.  TROUGH DISSIPATES BY TUE AS ATLC HIGH PRES CENTER 
DRIFTS S AND REESTABLISHES PRES GRADIENT WITH WEAK TROPICAL WAVE 
RUNNING ALONG SOUTHERN FRINGES OF CENTRAL CARIBBEAN SEA.  FRESH E 
BREEZE EXPECTED TO RETURN MAINLY ALONG COAST OF S AMERICA LATE TUE 
THROUGH FRI. 

WARNINGS...
ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER WALLY BARNES