490 FZPN03 KNHC 182228 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SUN JUL 18 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SUN JUL 18. 24 HOUR FORECAST VALID 1800 UTC MON JUL 19. 48 HOUR FORECAST VALID 1800 UTC TUE JUL 20. .WARNINGS. ...HURRICANE WARNING... .HURRICANE FELICIA NEAR 16.0N 129.0W 961 MB AT 2100 UTC JUL 18 MOVING WNW OR 285 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 60 NM S SEMICIRCLE...90 NM NE QUADRANT AND 75 NM NW QUADRANT WITH SEAS TO 25 FT. ELSEWHERE WITHIN 16N127W TO 15N129W TO 16N130W TO 18N130W TO 17N127W TO 16N127W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 12N127W TO 14N131W TO 16N131W TO 18N129W TO 17N126W TO 12N127W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE FELICIA NEAR 16.5N 132.6W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT OR GREATER 120 NM IN N SEMICIRCLE AND 60 NM IN S SEMICIRCLE WITH SEAS TO 25 FT. ELSEWHERE WITHIN 16N132W TO 17N134W TO 19N133W TO 18N131W TO 16N132W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 13N133W TO 16N136W TO 20N135W TO 20N133W TO 18N129W TO 13N133W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM FELICIA NEAR 16.0N 137.3W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N SEMICIRCLE...30 NM SE QUADRANT AND 20 NM SW QUADRANT. SEAS 12 FT OR GREATER 60 NM IN N SEMICIRCLE AND 30 NM IN S SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE WITHIN 16N136W TO 16N139W TO 18N139W TO 18N137W TO 17N136W TO 16N136W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 14N135W TO 13N140W TO 20N140W TO 19N135W TO 14N135W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM FELICIA NEAR 15.0N 142.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW FELICIA NEAR 14.2N 148.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST POST-TROPICAL REMNANT LOW FELICIA NEAR 13.5N 154.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...TROPICAL STORM WARNING... .TROPICAL STORM GUILLERMO NEAR 18.7N 113.8W 999 MB AT 2100 UTC JUL 18 MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...100 NM SE QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE QUADRANT AND 60 NM NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 18N110W TO 16N112W TO 18N115W TO 20N115W TO 21N112W TO 18N110W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 19.1N 118.4W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...40 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER 120 NM IN N SEMICIRCLE AND 60 NM IN S SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE WITHIN 18N115W TO 17N118W TO 20N121W TO 22N118W TO 22N115W TO 18N115W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 19.0N 124.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER 120 NM IN N SEMICIRCLE AND 60 NM IN S SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE WITHIN 17N123W TO 17N126W TO 21N127W TO 23N125W TO 21N120W TO 17N123W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 18.6N 129.8W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 18.2N 135.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .120 HOUR FORECAST TROPICAL DEPRESSION GUILLERMO NEAR 18.0N 140.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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. .WITHIN 14N94W TO 13N96W TO 15N96W TO 16N96W TO 16N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 04N126W TO 04N140W TO 10N140W TO 10N126W TO 04N126W WINDS 20 KT OR LESS. SEAS 8 FT IN E TO SE SWELL. .24 HOUR FORECAST LITTLE CHANGE. .42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .12 HOUR FORECAST WITHIN 10N87W TO 10N89W TO 11N91W TO 12N88W TO 11N86W TO 10N87W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST 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 SUN JUL 18... .HURRICANE FELICIA...NUMEROUS STRONG CONVECTION IS PRESENT WITHIN 60 NM OF THE CENTER. .TROPICAL STORM GUILLERMO...NUMEROUS MODERATE SCATTERED STRONG CONVECTION IS NOTED FROM 15N-20N BETWEEN 110W-114W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS PANAMA AND COSTA RICA FROM 08N77W TO 09N86W. THE ITCZ EXTENDS FROM 09N89W TO 07N94W, THEN IS BROKEN BY A TROPICAL WAVE, THEN RESUMES FROM 06N98W TO 08N109W. THE MONSOON TROUGH RESUMES AT 12N114W AND EXTENDS TO 13N125W, WHERE THERE IS A BREAK SOUTH OF HURRICANE FELICIA. THE ITCZ RESUMES AGAIN AT 10N131W AND EXTENDS TO BEYOND 10N140W. SCATTERED MODERATE AND ISOLATED STRONG DEEP CONVECTION IS NOTED NORTH OF 05N EAST OF 85W AND FROM 08N-11N BETWEEN 88W-93W. SCATTERED MODERATE CONVECTION IS ALSO NOTED FROM 10N-15N BETWEEN 115W-122W. $$ .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.