000 FZPN03 KNHC 310915 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC MON JUL 31 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0600 UTC MON JUL 31. 24 HOUR FORECAST VALID 0600 UTC TUE AUG 01. 48 HOUR FORECAST VALID 0600 UTC WED AUG 02. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM IRWIN NEAR 20.7N 126.7W 1002 MB AT 0900 UTC JUL 31 MOVING NNW OR 335 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM NE QUADRANT...60 NM SE QUADRANT...15 NM SW QUADRANT...AND 45 NM NW QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 105 NM NE AND 60 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA FROM 18N TO 23N BETWEEN 122W AND 128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW IRWIN NEAR 24.7N 128.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 90 NM NE AND 45 NM SW SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 120 NM NE SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW IRWIN NEAR 27.8N 131.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 90 NM N SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT. .72 HOUR FORECAST...DISSIPATED. 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. .POST-TROPICAL CYCLONE HILARY NEAR 26N129W 1008 MB MOVING NW AT 12 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 150 NM N AND 45 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 12 FT OR GREATER WITHIN 120 NM NE AND 30 NM SW SEMICIRCLES WITH SEAS TO 14 FT. ELSEWHERE FROM 23N TO 29N BETWEEN 126W AND 131W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW HILARY NEAR 27.5N 132.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 150 NM N SEMICIRCLE AND 120 NM W QUADRANT WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST...DISSIPATED. CONDITIONS TO MERGE WITH POST-TROPICAL REMNANT LOW IRWIN. .E OF LINE FROM 15N105W TO 00N123W...INCLUDING THE WATERS BETWEEN ECUADOR AND GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS TO 10 FT IN S TO SW SWELL. .24 HOUR FORECAST S OF LINE FROM 07N79W TO 07N96W TO 03.5N128W TO 00N135W...INCLUDING THE WATERS BETWEEN ECUADOR AND GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. .48 HOUR FORECAST S OF 07.5N BETWEEN 92.5W AND 132W WINDS 20 KT OR LESS. SEAS TO 8 FT IN S SWELL. .FROM 22.5N TO 28N WITHIN 120 NM OF COAST OF BAJA CALIFORNIA NW WINDS 20 TO 25 KT. SEAS TO 8 FT IN MIXED NW WIND WAVES AND S SWELL. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .36 HOUR FORECAST LOW PRES 1010 MB NEAR 11N94W. WITHIN 270 NM NE SEMICIRCLE OF LOW E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT IN MIXED S SWELL AND SE WIND WAVES. .48 HOUR FORECAST LOW PRES 1010 MB NEAR 11.5N96W. WITHIN 240 NM NE SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED S SWELL AND SE WIND WAVES. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0830 UTC MON JUL 31... .POST-TROPICAL CYCLONE HILARY...SCATTERED WEAK TO MODERATE WITHIN 180 NM NE SEMICIRCLE. .TROPICAL STORM IRWIN...SCATTERED MODERATE ISOLATED STRONG WITHIN 75 NM SE AND 60 NM NW SEMICIRCLES. .SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG FROM 03.5N TO 14N BETWEEN 82W AND 96.5W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM LOW PRES NEAR 11N81.5W 1012 MB TO 08N90W TO 11N112W. ITCZ EXTENDS FROM 13.5N128W TO BEYOND 10.5N140W. SCATTERED MODERATE TO STRONG CONVECTION FROM 03.5N TO 08N E OF 79W. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.