


High Seas Forecast
Issued by NWS
Issued by NWS
173 FZPN01 KWBC 031542 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 1630 UTC THU JUL 03 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT VOSOPS@NOAA.GOV(LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT TO 50N 160E ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1200 UTC JUL 03. 24 HOUR FORECAST VALID 1200 UTC JUL 04. 48 HOUR FORECAST VALID 1200 UTC JUL 05. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FROM 30N TO 42N BETWEEN 120W AND 128W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 3.5 M. .24 HOUR FORECAST S OF 41N BETWEEN 119W AND 125W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST S OF 37N BETWEEN 118W AND 125W AREA OF NW WINDS TO 25 KT. SEAS TO 3 M. .LOW 55N154W 1000 MB MOVING SW 05 KT. WITHIN 300 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 54N160W 1007 MB. WITHIN 480 NM N SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. .LOW 49N176W 1006 MB MOVING NE 20 KT. WITHIN 240 NM SE OF A LINE FROM LOW TO 45N177W TO 40N173E WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LOW 50N163W 1004 MB. FROM 40N TO 46N BETWEEN 157W AND 170W WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS DIMINISHED. .48 HOUR FORECAST LOW 47N180W 1008 MB. WITHIN 240 NM S SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 54N BETWEEN 170W AND 180W AND FROM 42N TO 46N BETWEEN 155W AND 170W. .24 HOUR FORECAST DENSE FOG FROM 43N TO 50N BETWEEN 154W AND 167W AND FROM 41N TO 50N W OF 168E. .48 HOUR FORECAST DENSE FOG FROM 42N TO 50N W OF 180W. .FORECASTER KREKELER. OCEAN PREDICTION CENTER. NWS NATIONAL HURRICANE CENTER MIAMI FL E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 1200 UTC THU JUL 03. 24 HOUR FORECAST VALID 1200 UTC FRI JUL 04. 48 HOUR FORECAST VALID 1200 UTC SAT JUL 05. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM FLOSSIE NEAR 20.6N 111.7W 1001 MB AT 1500 UTC JUL 03 MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE QUADRANT...40 NM SE QUADRANT...20 NM SW QUADRANT...AND 30 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 45 NM S SEMICIRCLE...90 NM NE QUADRANT AND 60 NM NW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 21N110W TO 21N112W TO 22N113W TO 20N114W TO 18N113W TO 19N110W TO 21N110W W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 15N103W TO 24N108W TO 23N115W TO 18N116W TO 09N115W TO 07N014W TO 15N103W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL. .12 HOUR FORECAST POST-TROPICAL FLOSSIE NEAR 21.4N 112.9W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW FLOSSIE NEAR 22.6N 114.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 24N112W TO 24N115W TO 22N116W TO 21N115W TO 22N112W TO 24N112W SE TO S WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M IN S SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW FLOSSIE NEAR 24.3N 117.7W. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. 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 11N94W TO 11N95W TO 11N96W TO 09N95W TO 09N94W TO 10N93W TO 11N94W SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE WITHIN 12N90W TO 14N97W TO 04N105W TO 01N94W TO 04N89W TO 12N90W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED SWELL. .24 HOUR FORECAST LOW PRES NEAR 12N105W 1008 MB. WITHIN 14N98W TO 14N100W TO 13N100W TO 12N100W TO 12N98W TO 13N98W TO 14N98W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE WITHIN 14N95W TO 16N101W TO 10N101W TO 05N103W TO 04N96W TO 06N94W TO 14N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S TO SW SWELL. .48 HOUR FORECAST LOW PRES NEAR 14N108W 1007 MB. WITHIN 17N101W TO 18N104W TO 17N107W TO 14N107W TO 13N103W TO 15N101W TO 17N101W WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. .WITHIN 29N112W TO 31N113W TO 32N115W TO 30N115W TO 27N112W TO 27N110W TO 29N112W...INCLUDING THE GULF OF CALIFORNIA...SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 30N122W TO 30N132W TO 25N129W TO 28N124W TO 30N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N SWELL. .24 HOUR FORECAST WITHIN 29N118W TO 30N131W TO 25N131W TO 23N128W TO 26N118W TO 29N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL. .48 HOUR FORECAST WITHIN 30N121W TO 30N127W TO 29N129W TO 26N129W TO 25N125W TO 26N122W TO 30N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S SWELL. .06 HOUR FORECAST WITHIN 02S110W TO 00N120W TO 03.4S120W TO 03.4S109W TO 02S110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S TO SW SWELL. .24 HOUR FORECAST WITHIN 01S104W TO 01N111W TO 01N119W TO 00N123W TO 03.4S120W TO 03.4S101W TO 01S104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S TO SW SWELL. .48 HOUR FORECAST WITHIN 02S102W TO 01S113W TO 02S120W TO 03.4S120W TO 03.4S101W TO 02S102W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S TO SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 1515 UTC THU JUL 03... .TROPICAL STORM FLOSSIE...NO DEEP CONVECTION IS NOTED. .SCATTERED MODERATE TO ISOLATED STRONG FROM 03N TO 09N BETWEEN 78W AND 85W. .NUMEROUS MODERATE FROM 05N TO 10N BETWEEN 102W AND 113W. .SCATTERED MODERATE FROM 12N TO 15N BETWEEN 96W AND 101W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 09N90W TO 10N101W TO 13N106W TO 11N114W TO 08N128W. ITCZ EXTENDS FROM 08N128W TO 07N137W TO 08N140W. NUMEROUS MODERATE TO STRONG FROM 08N TO 15N BETWEEN 100W AND 105W. NUMEROUS MODERATE WITHIN 180 NM S OF THE TROUGH BETWEEN 110W AND 116W. .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER. $$