569 FZPN03 KNHC 311627 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC FRI AUG 31 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI AUG 31. 24 HOUR FORECAST VALID 1200 UTC SAT SEP 01. 48 HOUR FORECAST VALID 1200 UTC SUN SEP 02. .WARNINGS. ...HURRICANE WARNING... .HURRICANE NORMAN NEAR 16.7N 120.8W 950 MB AT 1500 UTC AUG 31 MOVING WSW OR 245 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM OF CENTER EXCEPT 70 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 160 NM OF CENTER EXCEPT 135 NM SW QUADRANT WITH SEAS TO 37 FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 270 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE NORMAN NEAR 16.2N 123.8W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM OF CENTER EXCEPT 70 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM OF CENTER EXCEPT 120 NM SW QUADRANT WITH SEAS TO 36 FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 240 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE NORMAN NEAR 16.8N 128.6W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N SEMICIRCLE...80 NM SE QUADRANT AND 70 NM SW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA BOUNDED BY 23N130W TO 17N121W TO 12N120W TO 04N127W TO 07N132W TO 22N135W TO 23N130W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE NORMAN NEAR 18.3N 134.4W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE NORMAN NEAR 18.3N 134.4W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. .120 HOUR FORECAST TROPICAL STORM NORMAN NEAR 18.3N 134.4W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 14N106W 1008 MB. S SEMICIRCLE WITHIN 150 NM WINDS 20 TO 25 KT. SEAS TO 8 FT. .12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14N107W 1007 MB. S SEMICIRCLE WITHIN 150 NM WINDS 20 TO 30 KT SEAS TO 10 FT. N SEMICIRCLE WITHIN 120 NM WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14N108W 1006 MB. S SEMICIRCLE WITHIN 90 NM WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 150 NM S SEMICIRCLE WINDS 20 TO 30 KT SEAS 8 TO 10 FT. N SEMICIRCLE WITHIN 120 NM WINDS 20 TO 30 KT. SEAS TO 8 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 15N110W 1004 MB. WITHIN 60 NM OF CENTER WINDS 30 TO 45 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 150 NM WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .SYNOPSIS AND FORECAST. .HURRICANE MIRIAM W OF AREA NEAR 18.3N 141.2W 978 MB AT 1500 UTC AUG 31 MOVING N OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS AND 12 FT SEAS W OF AREA. FROM 14N TO 19N W OF 139W WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 15N TO 22N W OF 138W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM MIRIAM W OF AREA NEAR 21.4N 141.7W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS AND 12 FT SEAS W OF AREA. FROM 20N TO 22N W OF 139W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 19N TO 25N W OF 138W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 25.1N 144.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .36 HOUR FORECAST N OF 29N BETWEEN 120W AND 124W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NW SWELL. .48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1545 UTC FRI AUG 31... .HURRICANE NORMAN...NUMEROUS MODERATE SCATTERED STRONG SW QUADRANT WITHIN 120 NM. SCATTERED MODERATE ISOLATED STRONG FROM 13N TO 18N BETWEEN 119W AND 124W. .HURRICANE MIRIAM...SCATTERED MODERATE FROM 17N TO 21N W OF 139W. .LOW PRES NEAR 14N106W...NUMEROUS MODERATE SCATTERED STRONG FROM 12N TO 14N BETWEEN 105W AND 109W. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 11N TO 19N BETWEEN 102W AND 113W. .TROPICAL WAVE FROM 05N97W TO 19N97W...SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 15N BETWEEN 90W AND 102W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM LOW PRES 1009 MB NEAR 10N75W TO 09N87W TO LOW PRES 1008 MB NEAR 14N106W TO 17N114W...THEN RESUMES SW OF NORMAN NEAR 15N124W TO 13N137W. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM EITHER SIDE OF LINE FROM 04N77W TO 08N86W. $$ .FORECASTER MCELROY. NATIONAL HURRICANE CENTER.