402 FZPN03 KNHC 272156 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC MON AUG 27 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC MON AUG 27. 24 HOUR FORECAST VALID 1800 UTC TUE AUG 28. 48 HOUR FORECAST VALID 1800 UTC WED AUG 29. .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 18 FT. ELSEWHERE WITHIN AREA BOUNDED BY 15N131W TO 14N130W TO 12N131W TO 13N133W TO 14N133W TO 16N133W TO 15N131W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 17N129W TO 13N129W TO 12N133W TO 14N135W TO 17N133W TO 18N131W TO 17N129W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .12 HOUR FORECAST HURRICANE MIRIAM NEAR 14.0N 133.5W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER EXCEPT 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM E SEMICIRCLE...45 NM SW QUADRANT AND 60 NM NW QUADRANT WITH SEAS TO 21 FT. ELSEWHERE WITHIN AREA BOUNDED BY 15N132W TO 13N132W TO 12N133W TO 13N135W TO 15N135W TO 16N133W TO 15N132W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 17N130W TO 13N130W TO 11N132W TO 12N135W TO 17N136W TO 19N132W TO 17N130W WINDS 20 KT OR LESS. SEAS 8 TO 10 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 120 NM E SEMICIRCLE...60 NM SW QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE WITHIN AREA BOUNDED BY 15N134W TO 14N133W TO 12N135W TO 12N136W TO 15N137W TO 16N135W TO 15N134W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 18N132W TO 13N133W TO 11N136W TO 12N137W TO 18N139W TO 19N135W TO 18N132W WINDS 20 KT OR LESS. SEAS 8 TO 10 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 150 NM E SEMICIRCLE...90 NM SW QUADRANT AND 120 NM NW QUADRANT WITH SEAS TO 28 FT. ELSEWHERE WITHIN AREA BOUNDED BY 16N137W TO 14N136W TO 12N138W TO 13N140W TO 16N140W TO 17N138W TO 16N137W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 16N134W TO 14N135W TO 12N137W TO 10N140W TO 20N140W TO 19N135W TO 16N134W WINDS 20 KT OR LESS. SEAS 8 TO 10 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 14.5N109.5W 1008 MB. WITHIN AREA BOUNDED BY 15N108W TO 13N108W TO 14N110W TO 14N111W TO 16N110W TO 15N109W TO 15N108W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. POSSIBLE TROPICAL CYCLONE FORMATION. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 16.5N113.5W 1006 MB. WITHIN AREA BOUNDED BY 17N112W TO 16N112W TO 15N112W TO 15N113W TO 17N113W TO 17N112W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17.5N117W 1004 MB. WITHIN AREA BOUNDED BY 18N116W TO 17N116W TO 17N117W TO 17N118W TO 18N118W TO 19N117W TO 18N116W WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN AREA BOUNDED BY 20N115W TO 16N114W TO 12N117W TO 15N117W TO 17N120W TO 20N118W TO 20N115W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT IN MIXED SWELL. .SYNOPSIS AND FORECAST. .TROUGH FROM 15N TO 21N ALONG 140W. WITHIN AREA BOUNDED BY 20N136W TO 18N136W TO 18N138W TO 19N140W TO 22N140W TO 22N139W TO 20N136W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST TROUGH W OF AREA. CONDITIONS IMPROVE. 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 2100 UTC MON AUG 27... .TROPICAL STORM MIRIAM...NUMEROUS MODERATE SCATTERED STRONG WITHIN 150 NM IN THE E SEMICIRCLE AND WITHIN 120 NM IN THE W SEMICIRCLE. SCATTERED MODERATE BETWEEN 120 NM AND 240 NM IN THE SW SEMICIRCLE. .LOW PRES NEAR 14.5N109.5W...SCATTERED MODERATE ISOLATED STRONG WITHIN 240 NM IN THE N QUADRANT AND WITHIN 180 NM IN THE W QUADRANT. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS EXTENDS FROM LOW PRES OVER NORTHERN COLOMBIA NEAR 08.5N75W TO 08N83W TO LOW PRES NEAR 14.5N109.5W TO 11N125W. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM S OF AXIS E OF 81W...FROM 04N TO 10N BETWEEN 82W AND 90W...FROM 06N TO 15N BETWEEN 91W AND 100W...AND ALSO WITHIN 120 NM SW OF AXIS BETWEEN 103W AND 108W. SCATTERED MODERATE FROM 13N TO 16N BETWEEN 101W AND 104W AND ALSO FROM 06N TO 11N BETWEEN 120W AND 125W. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.