663 FZPN03 KNHC 100350 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC TUE JUN 10 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC TUE JUN 10. 24 HOUR FORECAST VALID 0000 UTC WED JUN 11. 48 HOUR FORECAST VALID 0000 UTC THU JUN 12. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM BARBARA NEAR 18.7N 107.8W 993 MB AT 0300 UTC JUN 10 MOVING NW OR 310 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 75 NM SW QUADRANT WITH SEAS TO 7 M. ELSEWHERE WITHIN 18N104W TO 20N106W TO 21N108W TO 18N110W TO 15N108W TO 15N106W TO 18N104W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM BARBARA NEAR 20.7N 110.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM E SEMICIRCLE AND 20 NM W SEMICIRCLE. ELSEWHERE WITHIN 21N108W TO 22N109W TO 22N110W TO 21N110W TO 20N108W TO 21N108W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.0 M. .36 HOUR FORECAST POST-TROPICAL REMNANT LOW BARBARA NEAR 21.2N 110.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW BARBARA NEAR 21.3N 111.4W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. ...TROPICAL STORM WARNING... .TROPICAL STORM COSME NEAR 15.2N 114.2W 992 MB AT 0300 UTC JUN 10 MOVING NW OR 315 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER EXCEPT 40 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 45 NM SW QUADRANT WITH SEAS TO 7 M. ELSEWHERE WITHIN 17N112W TO 17N114W TO 16N115W TO 14N115W TO 13N113W TO 14N111W TO 17N112W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 17N109W TO 16N116W TO 10N117W TO 06N124W TO 04N121W TO 11N108W TO 17N109W WINDS LESS THAN 20 KT. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM COSME NEAR 15.9N 114.3W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW QUADRANT...AND 30 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 75 NM NE AND 45 NM SW SEMICIRCLES WITH SEAS TO 6 M. ELSEWHERE WITHIN 17N112W TO 18N113W TO 17N115W TO 16N116W TO 15N115W TO 14N113W TO 17N112W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 15N110W TO 19N114W TO 17N117W TO 13N118W TO 10N117W TO 12N110W TO 15N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW COSME NEAR 18.2N 113.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 19N111W TO 20N112W TO 19N114W TO 17N114W TO 17N113W TO 18N111W TO 19N111W S WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M PRIMARILY IN S TO SW SWELL. 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 00N108W TO 01S120W TO 03.4S120W TO 03.4S93W TO 00N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .48 HOUR FORECAST WITHIN 01S100W TO 01N110W TO 02N118W TO 00N124W TO 03.4S120W TO 03.4S96W TO 01S100W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .WITHIN 11N140W TO 08N140W TO 08N138W TO 09N138W TO 11N140W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 17N101W TO 18N102W TO 19N104W TO 17N104W TO 16N103W TO 16N101W TO 17N101W WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0000 UTC TUE JUN 10... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 09N85W TO 11N95W...AND FROM 09N125W TO 08N140W. NUMEROUS MODERATE TO ISOLATED STRONG ALONG THE COAST OF COSTA RICA AT 09N85W. SCATTERED MODERATE 04N TO 06N BETWEEN 85W AND 95W...AND FROM 08N TO 10N BETWEEN 95W AND 100W. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.