000 FZNT24 KNHC 280310 OFFNT4 OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 930 PM CST SUN DEC 27 2009 OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. GMZ089-280930- SYNOPSIS FOR THE GULF OF MEXICO 930 PM CST SUN DEC 27 2009 .SYNOPSIS...WEAK LOW PRES 1014 MB NEAR 25N88W WITH TROUGH EXTENDING E...TO S FLORIDA...AND A SECOND TROUGH EXTENDING THROUGH 25N87W TO 21N92W. HIGH PRES WILL BUILD SE OFF NW GULF COASTS THROUGH MON AND FORCE LOW AND TROUGHS SE AND S...TO REACH FROM NW CUBA TO EXTREME SW GULF MON EVENING. HIGH PRES OVER CENTRAL U.S. WILL THEN SLIDE E AND ALLOW FOR RETURN FLOW ACROSS W GULF TUE NIGHT THROUGH WED. LOW PRES EXPECTED TO DEVELOP ACROSS NW GULF WED AND MOVE E ALONG 29N THROUGH THU EVENING WITH MODERATE NW FLOW BEHIND IT. A COLD FRONT WILL SINK QUICKLY SE INTO NW GULF THU NIGHT AND ACROSS ENTIRE GULF BY LATE FRI WITH STRONG NLY FLOW BEHIND IT...AND POTENTIAL FOR GALES. $$ GMZ080-280930- NW GULF N OF 25N W OF 90W INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 930 PM CST SUN DEC 27 2009 .TONIGHT THROUGH MON...N TO NE WINDS 20 KT. SEAS 5 TO 8 FT. .MON NIGHT THROUGH TUE NIGHT...NE TO E WINDS 15 TO 20 KT BECOMING SE 15 TO 20 KT LATE TUE...BECOMING SE TO S 20 TO 25 KT LATE TUE NIGHT. SEAS SUBSIDING 4 TO 6 FT TUE THEN BUILD 5 TO 8 FT LATE TUE NIGHT. SCATTERED TSTMS NW PORTIONS ALONG TROUGH. .WED...W OF TROUGH E WINDS 20 TO 25 KT BECOME NE 15 TO 20 KT LATE. SEAS 8 FT SUBSIDE TO 4 FT LATE. E OF TROUGH SE TO S WINDS 20 TO 25 KT. SEAS 8 FT. SCATTERED TSTMS ALONG TROUGH. .THU...SE TO S WINDS 10 KT BECOME SE 15 KT LATE. SEAS 5 FT. .FRI...N WIND 25 TO 30 KT. SEAS TO 15 FT. $$ GMZ082-280930- SW GULF S OF 25N W OF 90W 930 PM CST SUN DEC 27 2009 .TONIGHT...NW OF TROUGH N TO NE WINDS 20 TO 25 KT. SEAS BUILDING 6 TO 9 FT. ELSEWHERE NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .MON AND MON NIGHT...N OF 20N NE TO E WINDS 20 TO 25 KT. SEAS 11 FT. S OF 20N N TO NE WINDS 10 TO 15 KT INCREASE TO 20 KT MON NIGHT. SEAS 5 FT BUILD TO 8 FT IN NE SWELL MON NIGHT. .TUE THROUGH WED...E OF TROUGH E TO SE WINDS 20 TO 25 KT. SEAS 8 FT. W OF TROUGH NW TO N WINDS 20 TO 25 KT. SEAS 9 FT. ELSEWHERE VARIABLE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN NE SWELL. SCATTERED SHOWERS AND TSTMS ALONG TROUGH. .THU...E TO SE WINDS 10 KT. SEAS 5 FT IN NE SWELL SUBSIDING TO 3 FT LATE. FRI...N OF FRONT N WIND 25 TO 30 KT. SEAS BUILDING 9 TO 15 FT. S OF FRONT N TO NE WINDS 15 KT. SEAS 3 TO 4 FT. $$ GMZ084-280930- MIDDLE GULF BETWEEN 85W AND 90W 930 PM CST SUN DEC 27 2009 .TONIGHT...N OF 25N N TO NE WINDS 15 TO 20 KT...EXCEPT 20 TO 25 KT WITHIN 60 NM OF LOW. SEAS 4 TO 6 FT EXCEPT 7 TO 8 FT WITHIN 60 NM NW OF LOW. NW OF SECOND TROUGH NW TO N WINDS 15 KT. SEAS 5 TO 7 FT IN N SWELL. S OF SECOND TROUGH VARIABLE WINDS 10 KT. SEAS 2 TO 4 FT. SCATTERED SHOWERS N OF LOW. .MON AND MON NIGHT...N TO NE WINDS 20 KT INCREASING 20 TO 25 KT S HALF MON NIGHT. SEAS 6 TO 7 FT BUILDING 7 TO 9 FT S HALF MON NIGHT. .TUE AND TUE NIGHT...NE TO E WINDS 15 TO 20 KT SHIFT SE LATE. SEAS 7 FT SUBSIDE TO 5 FT LATE. .WED...SE OF TROUGH N OF 26N SE TO S WINDS 20 TO 25 KT SHIFT SW LATE. SEAS 6 FT BUILD TO 8 FT LATE. ELSEWHERE SE OF TROUGH E TO SE WINDS 15 KT SHIFT S LATE. SEAS 5 FT. NW OF TROUGH NW TO N WINDS 20 TO 25 KT. SEAS 8 FT. SCATTERED TSTMS ALONG TROUGH. .THU...N OF 25N NE TO E WINDS 10 TO 15 KT BECOME SE 10 KT LATE. SEAS 5 FT SUBSIDE TO 2 FT LATE. S OF 25N E WINDS 5 TO 10 KT. SEAS 2 FT. FRI...N WIND 25 TO 30 KT WITH HIGHER GUSTS. SEAS 9 TO 15 FT. $$ GMZ086-280930- E GULF BETWEEN 81W AND 85W 930 PM CST SUN DEC 27 2009 .TONIGHT...N OF 25N N TO NE WINDS 10 TO 15 KT. S OF 25N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT THROUGHOUT. .MON AND MON NIGHT...N WINDS 15 TO 20 KT BECOMING N TO NE MON NIGHT. SEAS 3 TO 5 FT BUILDING 5 TO 7 FT MON NIGHT. ISOLATED TSTMS. .TUE AND TUE NIGHT...N TO NE WINDS 10 TO 15 KT BECOME E LATE. SEAS 5 FT SUBSIDE TO 3 FT LATE. .WED...E TO SE WINDS 10 TO 15 KT BECOME SW 15 TO 20 KT N OF 26N LATE. SEAS 4 FT BUILD TO 7 FT LATE. .THU...NW OF TROUGH NW WINDS 15 KT DIMINISH TO 10 KT LATE. SEAS 5 FT SUBSIDE TO 2 FT LATE. SE OF TROUGH S TO SW WINDS 10 KT. SEAS 3 FT. FRI...NW TO N WIND INCREASING 20 TO 25 KT. SEAS BUILDING 7 TO 10 FT. $$ FORECASTER STRIPLING