000 FZNT02 KNHC 220303 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU MAR 22 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 0000 UTC THU MAR 22. 24 HOUR FORECAST VALID 0000 UTC FRI MAR 23. 48 HOUR FORECAST VALID 0000 UTC SAT MAR 24. .WARNINGS. ...ATLC GALE WARNING... .ATLC COLD FRONT FROM 31N68W TO 22.5N78W. SECOND COLD FRONT FROM 31N72W TO 23N81W. N OF 30N BETWEEN 67W AND 70W SW WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. N OF 29N BETWEEN 70W AND 79W W WINDS 30 TO 35 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN AREA BOUNDED BY 31N81W TO 31N62W TO 27N67W TO 27N80W TO 31N81W SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .12 HOUR FORECAST COLD FRONT FROM 31N65W TO 22N77W. N OF 29N E OF FRONT TO 60W SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. N OF 29N W OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. ELSEWHERE W OF FRONT OUTSIDE BAHAMAS WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. .24 HOUR FORECAST COLD FRONT FROM 31N61W TO 21N75W. WITHIN AREA BOUNDED BY 31N77W TO 31N59W TO 25N67W TO 25N75W TO 31N77W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. .48 HOUR FORECAST COLD FRONT FROM 31N58W TO 20N70W. N OF 25N BETWEEN 50W AND 66W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT NW SWELL. NEW COLD FRONT APPROACHING FROM N. N OF 30N BETWEEN 70W AND 75W NW WINDS 20 TO 25 KT. SEAS TO 8 FT. .SYNOPSIS AND FORECAST. .ATLC S OF LINE 29N35W TO 15N60W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED MW AND NE SWELL. .24 HOUR FORECAST S OF LINE FROM 31N35W TO 31N40W TO 17N60W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NW AND NE SWELL. .48 HOUR FORECAST E OF 50W AND S OF 20N BETWEEN 50W AND 60W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL. .CARIBBEAN FROM 10N TO 13.5N BETWEEN 70W AND 78W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST FROM 10N TO 14N BETWEEN 72W AND 79W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST FROM 10N TO 15N BETWEEN 75W AND 81W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. S OF 13N BETWEEN 72W AND 75W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. N OF 27.5N BETWEEN 72W AND 77W...INCLUDING THE WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .GULF OF MEXICO TROUGH OVER WESTERN YUCATAN. S OF 22N BETWEEN 90W AND 94W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST TROUGH FROM 21N92W TO 18.5N93W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST TROUGH OVER WESTERN YUCATAN. S OF 22N BETWEEN 90W AND 93W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .36 HOUR FORECAST TROUGH FROM 21N93W TO 18.5N94W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .48 HOUR FORECAST TROUGH OVER WESTERN YUCATAN. FROM 20N TO 22N BETWEEN 90W AND 92W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. UNDERSEA VOLCANO KICK EM JENNY...N OF GRENADA NEAR 12.18N 61.38W...IS IN A STATE OF UNREST. THE GOVERNMENT OF GRENADA ADVISES MARINERS TO OBSERVE A 5 KM OR 3.1 NM EXCLUSION ZONE AROUND KICK EM JENNY. PLEASE SEE WWW.NADMA.GD FOR ADDITIONAL INFORMATION. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.