958 FZPN03 KNHC 280352 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC TUE AUG 28 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC TUE AUG 28. 24 HOUR FORECAST VALID 0000 UTC WED AUG 29. 48 HOUR FORECAST VALID 0000 UTC THU AUG 30. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM MIRIAM NEAR 14.0N 131.8W 998 MB AT 2100 UTC AUG 27 MOVING W OR 270 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER EXCEPT 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM NE QUADRANT...60 NM SE QUADRANT...30 NM SW QUADRANT...AND 45 NM NW QUADRANT WITH SEAS TO 21 FT. ELSEWHERE FROM 12.5N TO 15.5N BETWEEN 130W AND 134W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11.5N TO 17.5N BETWEEN 129.5W AND 134W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE MIRIAM NEAR 13.9N 135.5W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM E SEMICIRCLE AND 105 NM W SEMICIRCLE WITH SEAS TO 28 FT. ELSEWHERE FROM 12N TO 16N BETWEEN 134W AND 138W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11N TO 17N BETWEEN 134W AND 139W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE MIRIAM NEAR 14.5N 139.0W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE...105 NM W SEMICIRCLE WITH SEAS TO 28 FT. ELSEWHERE FROM 13N TO 17N BETWEEN 137W AND 142W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 12N TO 18N BETWEEN 136W AND 144W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE MIRIAM NEAR 16.5N 141.0W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE MIRIAM NEAR 20.0N 142.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. .120 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 24.5N 143.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...GALE WARNING... .LOW PRES NEAR 15N110W 1006 MB. FROM 14N TO 16N BETWEEN 109W AND 111W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. POSSIBLE TROPICAL CYCLONE FORMATION. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17N114W 1005 MB. FROM 16N TO 18N BETWEEN 113W AND 116W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .42 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17.6N117W 1004 MB. WITHIN 75 NM N SEMICIRCLE WINDS 30 TO 35 KT. SEAS 11 TO 14 FT. ELSEWHERE FROM 16.5N TO 19N BETWEEN 115W AND 118W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT IN MIXED SWELL. REMAINDER AREA FROM 16N TO 20N BETWEEN 115W AND 119W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17.8N117.6W 1003 MB. WITHIN 45 NM OF LOW WINDS 30 TO 35 KT. SEAS 11 TO 16 FT. ELSEWHERE FROM 16.5N TO 19N BETWEEN 116.5W AND 119W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT IN MIXED SWELL. REMAINDER AREA FROM 16N TO 20N BETWEEN 116W AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .SYNOPSIS AND FORECAST. .TROUGH FROM 16N TO 22N W OF 140W. FROM 14N TO 23N W OF 135W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .18 HOUR FORECAST TROUGH W OF AREA. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0345 UTC TUE AUG 28... .TROPICAL STORM MIRIAM...NUMEROUS MODERATE SCATTERED STRONG WITHIN 150 NM IN THE E SEMICIRCLE AND WITHIN 90 NM IN THE W SEMICIRCLE. SCATTERED MODERATE ELSEWHERE FROM 09N TO 17N BETWEEN 129W AND 136W. .LOW PRES NEAR 15.2N110.4W...SCATTERED MODERATE ISOLATED STRONG WITHIN 300 NM IN THE N SEMICIRCLE AND WITHIN 150 NM IN THE SW QUADRANT. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS EXTENDS FROM LOW PRES OVER NORTHERN COLOMBIA NEAR 09N74W TO 08N83W TO 09N96W TO LOW PRES NEAR 15.2N110.4W TO 10N120W TO 12N125W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 10N E OF 99W. SCATTERED MODERATE FROM 06N TO 13N BETWEEN 117W AND 126W. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER.