291 FZPN03 KNHC 271517 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU SEP 27 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. PAN PAN E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 1200 UTC THU SEP 27. 24 HOUR FORECAST VALID 1200 UTC FRI SEP 28. 48 HOUR FORECAST VALID 1200 UTC SAT SEP 29. .WARNINGS. ...HURRICANE WARNING... .HURRICANE ROSA NEAR 17.2N 115.4W 970 MB AT 1500 UTC SEP 27 MOVING W OR 270 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM W SEMICIRCLE...90 NM NE QUADRANT AND 70 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM E SEMICIRCLE AND 150 NM W SEMICIRCLE WITH SEAS TO 39 FT. ELSEWHERE WITHIN 150 NM OF CENTER EXCEPT 210 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 10N TO 13N BETWEEN 112W AND 116W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. REMAINDER OF AREA FROM 10N TO 22N BETWEEN 108W AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE ROSA NEAR 17.5N 118.1W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM W SEMICIRCLE...100 NM NE QUADRANT AND 110 NM SE QUADRANT. SEAS 12 FT OR GREATER 210 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE WITH SEAS TO 42 FT. ELSEWHERE WITHIN 150 NM NE AND SW QUADRANTS...300 NM SE QUADRANT AND 210 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 24N BETWEEN 111W AND 125W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE ROSA NEAR 19.5N 119.4W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E SEMICIRCLE AND 90 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 270 NM N SEMICIRCLE...240 NM SE QUADRANT AND 210 NM SW QUADRANT WITH SEAS TO 46 FT. ELSEWHERE WITHIN 180 NM NE AND SW QUADRANTS...300 NM SE QUADRANT AND 240 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. WITHIN 90 NM SE OF A LINE FROM 14N118W TO 10N127W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 10N TO 26N BETWEEN 110W AND 129W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE ROSA NEAR 22.5N 119.5W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM ROSA NEAR 22.5N 119.5W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. .120 HOUR FORECAST TROPICAL STORM ROSA NEAR 22.5N 119.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .LOW PRES NEAR 10N93W 1010 MB. WITHIN 150 NM N SEMICIRCLE NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. POSSIBLE TROPICAL CYCLONE FORMATION. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 11N97.5W 1008 MB. WITHIN 180 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 12N101W 1006 MB. WITHIN 240 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 95.5W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 96W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1500 UTC THU SEP 27... .HURRICANE ROSA...NUMEROUS MODERATE TO STRONG WITHIN 150 NM OF CENTER EXCEPT 120 NM NW QUADRANT. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE BETWEEN 180 NM AND 360 NM SE SEMICIRCLE. .LOW PRES NEAR 10N93W...SCATTERED MODERATE ISOLATED STRONG WITHIN 270 NM SE SEMICIRCLE AND 360 NM NW SEMICIRCLE. .SCATTERED MODERATE TO STRONG FROM 19N TO 23N E OF 108W... INCLUDING NEAR CABO CORRIENTES. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS EXTENDS FROM NEAR 10N75W TO LOW PRES NEAR 10N93W TO 08N100W THEN RESUMES FROM 11N116W TO 09N134W. ITCZ AXIS EXTENDS FROM 09N134W TO 12N140W. SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 07N BETWEEN 77W AND 85W AND ALSO FROM 07N TO 12N BETWEEN 102W AND 107W. SCATTERED MODERATE FROM 11N TO 13N BETWEEN 124W AND 130W. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.