165 FZPN03 KNHC 152117 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SAT JUL 15 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SAT JUL 15. 24 HOUR FORECAST VALID 1800 UTC SUN JUL 16. 48 HOUR FORECAST VALID 1800 UTC MON JUL 17. .WARNINGS. ...HURRICANE WARNING... .HURRICANE CALVIN NEAR 15.0N 130.4W 975 MB AT 2100 UTC JUL 15 MOVING W OR 280 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N SEMICIRCLE...80 NM SE QUADRANT AND 70 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 34 FT. ELSEWHERE WITHIN 210 N AND 150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT FROM 06N TO 21N BETWEEN 124W AND 134W. .24 HOUR FORECAST HURRICANE CALVIN NEAR 16.3N 135.8W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 26 FT. ELSEWHERE WITHIN 210 N AND 120 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT FROM 11N TO 23N BETWEEN 130W AND 140W. .36 HOUR FORECAST TROPICAL STORM CALVIN NEAR 16.8N 139.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. .48 HOUR FORECAST TROPICAL STORM CALVIN W OF AREA NEAR 17.3N 142.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 60 NM NW QUADRANT. OVER FORECAST WATERS FROM 17N TO 20N W OF 138W E TO SE WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN MIXED SWELL. ELSEWHERE W OF A LINE FROM 23N140W TO 20N137W TO 17N137W TO 14N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM CALVIN NEAR 18.3N 149.9W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM CALVIN NEAR 19.4N 156.8W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .120 HOUR FORECAST POST-TROPICAL REMNANT LOW CALVIN NEAR 20.5N 164.0W. 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. .FROM 10N TO 12N E OF 90W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .36 HOUR FORECAST FROM 10N TO 12N BETWEEN 95W AND 99W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .42 HOUR FORECAST FROM 11N TO 13N BETWEEN 95W AND 100W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 11N TO 14N BETWEEN 98W AND 102W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .42 HOUR FORECAST N OF 14N BETWEEN 94W AND 97W...INCLUDING THE GULF OF TEHUNATEPEC NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF TEHUNATEPEC N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 2100 UTC SAT JUL 15... .HURCN CALVIN...NUMEROUS MODERATE TO STRONG WITHIN 60 NM OF CENTER. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 10N84W TO 09N95W TO 10N106W TO 09N124W. THE ITCZ STRETCHES FROM 09N135W TO 09N140W. A CLUSTER OF MODERATE TO STRONG CONVECTION IS NEAR THE ENTRANCE TO THE GULF OF PANAMA. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 03N TO 16N BETWEEN 80W AND 115W. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.