000
AGXX40 KNHC 262122 AAA
MIMATS

MARINE WEATHER DISCUSSION...AMMENDED
NWS NATIONAL HURRICANE CENTER MIAMI FL
245 PM EST WED JAN 26 2011

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

SW N ATLC...

UPDATED...DROP GALE WARNING TONIGHT...WINDS EXPECTED TO MAX AT 
30 KT OVER WATERS S OF 31N. 

HEALTHY COLD FRONT ACROSS SW N ATLC WITH ASSOCIATED SQUALL LINE 
BRINGS DETERIORATING WIND AND SEA CONDITIONS THIS AFTERNOON AND 
TONIGHT TO BASIN. GALE WINDS EXPECTED TO LAST THROUGH REST OF 
AFTERNOON. MODEL GUIDANCE AGREE ON DIMINISHING WINDS BY 00 UTC S 
OF 31N ALTHOUGH NEAR GALE CONDITIONS STILL LINGER N OF 29N 
THROUGH THE NIGHT. WIND AND SEAS COULD BE TEMPORARILY HIGHER 
NEAR NUMEROUS TSTMS NEAR SQUALL LINE AND FRONTAL BOUNDARY.  
MODELS AGREE NORTHEASTWARD SHIFT OF SHORTWAVE SLOWING DOWN 
EASTWARD PROGRESS OF FRONT THROUGH WEEKEND.

CARIBBEAN AND TROPICAL N ATLC...
COLD FRONT OVER SW N ATLC PUSHES EASTWARD THE HIGH PRES RIDGE 
THAT MAINTAINED FRESH TO STRONG E BREEZE ACROSS MUCH OF CENTRAL 
AND EASTERN CARIBBEAN.  WINDS EXPECTED TO DIMINISH SIGNIFICANTLY 
ACROSS MUCH OF WESTERN GULF FROM YESTERDAYS GALE FORCE AS TAIL 
END OF COLD FRONT ENTERS NW CARIBBEAN THIS AFTERNOON.  SQUALL 
LINE CURRENTLY OVER W TIP OF CUBA EXPECTED TO DISSIPATE LATER 
TODAY.  FRONT FORECAST TO STALL OVER NW CARIBBEAN AND WEAKEN 
THROUGH THU NIGHT.  HIGH PRES BUILD OVER EASTERN GULF SAT AND 
INCREASE PRES GRADIENT OVER WESTERN GULF...ALLOWING FRESH SE 
WINDS TO STRENGTHEN.  HIGH PRES CONTINUE E SUN SHIFTING THE 
STRONGEST CARIBBEAN TRADES EASTWARD WITH IT.

GULF OF MEXICO...
COLD FRONT MOVED SE OF GULF WITH ASSOCIATED SQUALL LINE CROSSING 
YUCATAN PASSAGE EARLIER THIS AFTERNOON.  STRONG NW BREEZE BEHIND 
FRONT IN MIDDLE GULF EXPECTED TO DIMINISH TO 20 KT OR LESS LATER 
THIS AFTERNOON.  HIGH PRES QUICKLY BUILD IN ITS WAKE THU AND 
MOVE THROUGH CENTRAL GULF THU AND INTO EASTERN GULF FRI. SE 
RETURN FLOW DOMINATE GULF W OF 95W FRI NIGHT THROUGH WEEKEND.


WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER WALLY BARNES/NELSON