464 FZPN03 KNHC 100944 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC TUE JUN 10 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC TUE JUN 10. 24 HOUR FORECAST VALID 0600 UTC WED JUN 11. 48 HOUR FORECAST VALID 0600 UTC THU JUN 12. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM BARBARA NEAR 19.1N 108.1W 999 MB AT 0900 UTC JUN 10 MOVING NW OR 310 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE QUADRANT...50 NM SE QUADRANT...20 NM SW QUADRANT...AND 40 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM OF CENTER EXCEPT 90 NM NE QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 21N105W TO 22N107W TO 20N110W TO 18N110W TO 17N108W TO 18N105W TO 21N105W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW BARBARA NEAR 20.9N 110.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 22N108W TO 22N110W TO 22N111W TO 21N110W TO 21N109W TO 22N108W SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN SE SWELL. .36 HOUR FORECAST...DISSIPATED. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. ...TROPICAL STORM WARNING... .TROPICAL STORM COSME NEAR 15.3N 114.5W 993 MB AT 0900 UTC JUN 10 MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER. SEAS 4 M OR GREATER WITHIN 45 NM W SEMICIRCLE...75 NM NE QUADRANT AND 60 NM SE QUADRANT WITH SEAS TO 7 M. ELSEWHERE WITHIN 17N113W TO 18N115W TO 15N116W TO 13N114W TO 13N112W TO 14N111W TO 17N113W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 16N109W TO 16N117W TO 11N117W TO 07N123W TO 06N121W TO 09N110W TO 16N109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM COSME NEAR 16.2N 114.1W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NE QUADRANT...60 NM SE QUADRANT...50 NM SW QUADRANT...AND 30 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM SE AND 60 NM NW SEMICIRCLES WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 17N112W TO 18N114W TO 17N115W TO 15N114W TO 15N113W TO 16N111W TO 17N112W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 15N110W TO 19N112W TO 19N114W TO 16N117W TO 11N116W TO 11N112W TO 15N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M. .36 HOUR FORECAST POST-TROPICAL COSME NEAR 17.4N 113.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW COSME NEAR 18.7N 113.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 20N112W TO 21N113W TO 19N113W TO 18N113W TO 18N112W TO 19N111W TO 20N112W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S 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 01S101W TO 00N112W TO 01S120W TO 03.4S120W TO 03.4S92W TO 01S101W 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 LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 02N100W TO 05N92W TO 07N98W TO 03N119W TO 03.4S120W TO 03.4S93W TO 02N100W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .12 HOUR FORECAST WITHIN 17N100W TO 19N104W TO 17N104W TO 16N103W TO 16N101W TO 17N100W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W SWELL. .24 HOUR FORECAST LITTLE CHANGE. .36 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 0900 UTC TUE JUN 10... T.S. BARBARA...SCATTERED MODERATE WITHIN 90 NM OF THE CENTER. T.S. COSME...SCATTERED MODERATE WITHIN 90 NM TO THE NW AND 60 NM TO THE SE OF THE CENTER. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 09N85W TO 11N95W...AND FROM 09N125W TO 08N140W. NUMEROUS MODERATE TO ISOLATED STRONG CONVECTION IS ACTIVE ALONG THE COAST OF COSTA RICA AT 09N85W. SCATTERED MODERATE CONVECTION IS ACTIVE 04N TO 06N BETWEEN 85W AND 95W...AND FROM 08N TO 10N BETWEEN 95W AND 100W. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.