866 FZPN03 KNHC 251508 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC TUE SEP 25 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE SEP 25. 24 HOUR FORECAST VALID 1200 UTC WED SEP 26. 48 HOUR FORECAST VALID 1200 UTC THU SEP 27. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM ROSA NEAR 14.7N 108.0W 1004 MB AT 1500 UTC SEP 25 MOVING WNW OR 285 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 90 NM NE QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 150 NM OF CENTER EXCEPT 0 NM W QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 10N TO 12N BETWEEN 105W AND 110W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. REMAINDER OF AREA WITHIN 180 NM E SEMICIRCLE AND FROM 08N TO 13N BETWEEN 101W AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SE AND SW SWELL. .24 HOUR FORECAST TROPICAL STORM ROSA NEAR 15.8N 110.6W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE QUADRANT...60 NM S SEMICIRCLE AND 90 NM NW QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 150 NM NE SEMICIRCLE AND 90 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 300 NM E SEMICIRCLE AND 150 NM W SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .36 HOUR FORECAST HURRICANE ROSA NEAR 16.1N 112.1W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM SE QUADRANT...50 NM SW QUADRANT AND 80 NM N SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 150 NM OF CENTER WITH SEAS TO 26 FT. ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 300 NM E SEMICIRCLE AND 210 NM W SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE ROSA NEAR 16.4N 113.7W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM S SEMICIRCLE...90 NM NE QUADRANT AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER EXCEPT 180 NM SW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE WITHIN 240 NM OF CENTER EXCEPT 300 NM S QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE ROSA NEAR 17.1N 116.7W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE ROSA NEAR 17.1N 116.7W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. .120 HOUR FORECAST HURRICANE ROSA NEAR 21.0N 120.0W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 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. .GULF OF TEHUANTEPEC WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W TO 15.5N95W TO 14.5N95.5W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .18 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15.5N BETWEEN 94.5W AND 95.5W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W TO 14.5N95W N WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W TO 15.5N95W TO 14.5N95.5W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .FROM 10.5N TO 11.5N BETWEEN 87.5W AND 90W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED E WIND WAVES AND SW SWELL. .12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .18 HOUR FORECAST FROM 11N TO 12N BETWEEN 87.5W AND 90W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST DEVELOPING LOW PRES NEAR 09.5N90.5W 1008 MB. FROM 11N TO 12N BETWEEN 89W AND 92W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST LOW PRES NEAR 11N94W 1007 MB. WITHIN 180 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1500 UTC TUE SEP 25... .TROPICAL STORM ROSA...NUMEROUS MODERATE ISOLATED STRONG WITHIN 180 NM NE SEMICIRCLE AND 300 NM SW SEMICIRCLE. .TROPICAL WAVE FROM 05N TO 17N ALONG 101W...SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 15N BETWEEN 98W AND 102W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS EXTENDS FROM 10N75W TO 08.5N90W TO 12N100W THEN RESUMES FROM 14N109W TO 12N125W TO 09N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN AREA BOUNDED BY 15N102W TO 15N94W TO 08N91W TO 06N76W TO 02N78W TO 05.5N95W TO 10N104W TO 15N102W. SCATTERED MODERATE FROM 11N TO 13N BETWEEN 124W AND 127W AND ALSO FROM 05N TO 10N BETWEEN 135W AND 140W. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.