000 FZPN03 KNHC 160922 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC WED AUG 16 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC WED AUG 16. 24 HOUR FORECAST VALID 0600 UTC THU AUG 17. 48 HOUR FORECAST VALID 0600 UTC FRI AUG 18. .WARNINGS. ...HURRICANE WARNING... .HURRICANE FERNANDA NEAR 17.4N 125.5W 987 MB AT 0900 UTC AUG 16 MOVING W OR 270 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER EXCEPT 120 NM NE QUADRANT WITH SEAS TO 30 FT. ELSEWHERE WITHIN 240 NM NW AND 150 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 12N TO 22N BETWEEN 119W AND 131W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .12 HOUR FORECAST TROPICAL STORM FERNANDA NEAR 17.2N 127.5W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. .24 HOUR FORECAST TROPICAL STORM FERNANDA NEAR 17.1N 130.2W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 20 FT. ELSEWHERE WITHIN 180 NM N AND 120 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 11N TO 22N BETWEEN 125W AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .36 HOUR FORECAST POST-TROPICAL FERNANDA NEAR 17.2N 132.9W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW FERNANDA NEAR 17.3N 135.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 90 NM N AND 45 NM S SEMICIRCLES WITH SEAS TO 14 FT. ELSEWHERE WITHIN 180 NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST POST-TROPICAL REMNANT LOW FERNANDA NEAR 17.7N 141.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW FERNANDA NEAR 17.7N 147.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. .120 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. ...GALE WARNING... .LOW PRES NEAR 11.7N100.8W 1002 MB. FROM 12N TO 16N BETWEEN 95W AND 103W E TO SE WINDS 25 TO 35 KT. SEAS 10 TO 15 FT. FROM 05N TO 12N BETWEEN 96W AND 105W SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 13.4N105.4W 1004 MB. WITHIN 210 NM NE...180 SE...120 SW AND 150 NM NW QUADRANTS WINDS 30 TO 40 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN 210 NM OF CENTER...EXCEPT 270 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 16N109.8W 1002 MB. WITHIN 240 NM NE...210 NM SE...150 NM SW...AND 180 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 240 NM OF CENTER...EXCEPT 300 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .SYNOPSIS AND FORECAST. .06 HOUR FORECAST FROM 09N TO 11N BETWEEN 86W AND 88W... INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT. .24 HOUR FORECAST FROM 10N TO 11.5N E OF 88W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0900 UTC WED AUG 16... .HURCN FERNANDA...NUMEROUS MODERATE TO ISOLATED STRONG IS NOTED WITHIN 90 NM SW AND 60 NM NE SEMICIRCLES. .LOW PRES NEAR 11.7N100.8W...CLUSTERS OF MODERATE TO STRONG CONVECTION ARE NOTED FROM FROM 10N TO 15N BETWEEN 99W AND 105W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM THE COAST OF COSTA RICA NEAR 09N84W TO 1002 MB LOW PRESSURE LOCATED NEAR 11.7N100.8W TO 12N110W. THE ITCZ AXIS STRETCHES FROM 08N130W TO BEYOND 08N140W. ASIDE FROM THE CONVECTION ASSOCIATED WITH THE LOW PRESSURE ABOVE, SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS NOTED FROM 03N TO 07N BETWEEN 78W AND 83W...AND FROM 08N TO 13N BETWEEN 95W AND 99W. SCATTERED MODERATE CONVECTION IS OBSERVED FROM 09N TO 12N BETWEEN 114W AND 124W. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.