


High Seas Forecast
Issued by NWS
Issued by NWS
826 FZPN02 KWBC 261125 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1145 UTC SAT JUL 26 2025 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC JUL 26. 24 HOUR FORECAST VALID 0600 UTC JUL 27. 48 HOUR FORECAST VALID 0600 UTC JUL 28. .WARNINGS. ...GALE WARNING... .LOW 59N147W 1005 MB DRIFTING S 05 KT. BETWEEN 60 NM AND 300 NM SW QUADRANT...AND WITHIN 90 NM NE QUADRANT...WINDS 20 TO 30 KT. SEAS TO 2.5 M. .06 HOUR FORECAST LOW 58N146W 1001 MB. BETWEEN 90 NM AND 180 NM N SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 55N145W 999 MB. BETWEEN 60 NM AND 240 NM SW QUADRANT...AND BETWEEN 120 NM AND 300 NM NE QUADRANT...WINDS 20 TO 30 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN 360 NM NW SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 51N144W 1002 MB. FROM 47N TO 52N BETWEEN 151W AND 145W WINDS TO 25 KT. SEAS TO 3 M. ELSEWHERE WITHIN 180 NM NE OF A LINE FROM 54N140W TO 49N133W WINDS TO 25 KT. SEAS TO 2.5 M. .SYNOPSIS AND FORECAST. .LOW 41N169E 1011 MB MOVING NW 15 KT. FROM 36N TO 58N BETWEEN 180W AND 166E AREA OF SE WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST FROM 40N TO 46N BETWEEN 174E AND 168E. .24 HOUR FORECAST LOW 51N164E 1009 MB. WITHIN 180 NM EITHER SIDE OF A LINE FROM 55N170E TO 59N173E TO 43N176E AREA OF SE WINDS 20 TO 30 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW MOVED NW OF AREA. N OF 52N BETWEEN 167E AND 175E WINDS LESS THAN 25 KT. SEAS TO 2.5 M. .LOW 35N172W 1016 MB DRIFTING W. FROM 35N TO 40N BETWEEN 170W AND 165W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 36N174W 1018 MB. FROM 38N TO 41N BETWEEN 175W AND 170W AREA OF SE WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 37N174W 1018 MB. ASSOCIATED CONDITIONS DIMINISHED. .S OF 32N E OF 118W AREA OF NW WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .24 HOUR FORECAST NW OF A LINE FROM 57N180W TO 63N166W WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST FROM 60N TO 62N W OF 170W AREA OF SW TO W WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 40N W OF 173E...NW OF A LINE FROM 50N173E TO 59N165W...AND WITHIN 300 NM EITHER SIDE OF A LINE FROM 40N175W TO 54N157W. .24 HOUR FORECAST DENSE FOG WITHIN 480 NM NE OF A LINE FROM 48N160E TO 40N173E...FROM 40N TO 50N BETWEEN 169W AND 176E...AND WITHIN 300 NM NE OF A LINE FROM 55N165W TO 61N177W. .48 HOUR FORECAST DENSE FOG WITHIN 900 NM SW OF A LINE FROM 48N165W TO 58N176E...AND N OF 63N W OF ALASKA. .FORECASTER ANDERSON/CONNELLY/HYDE/FIGURSKEY. 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 0600 UTC SAT JUL 26. 24 HOUR FORECAST VALID 0600 UTC SUN JUL 27. 48 HOUR FORECAST VALID 0600 UTC MON JUL 28. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 29N115W TO 30N116W TO 30N117W TO 29N116W TO 28N115W TO 29N115W...INCLUDING SEBASTIAN VIZCAINO BAY...NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 14N132W TO 15N135W TO 16N140W TO 12N140W TO 13N133W TO 14N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .24 HOUR FORECAST WITHIN 15N137W TO 15N138W TO 16N140W TO 12N140W TO 12N139W TO 15N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .18 HOUR FORECAST WITHIN 08N125W TO 10N128W TO 10N130W TO 07N129W TO 06N127W TO 06N125W TO 08N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .24 HOUR FORECAST WITHIN 09N128W TO 10N130W TO 10N131W TO 08N131W TO 07N128W TO 07N125W TO 09N128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .48 HOUR FORECAST WITHIN 11N130W TO 12N133W TO 10N133W TO 09N132W TO 08N130W TO 10N130W TO 11N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. 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 SAT JUL 26... .TROPICAL WAVE ALONG 109W. SCATTERED MODERATE FROM 06N TO 13N BETWEEN 106W TO 115W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM 09N84W TO 09N127W TO 13N140W. SCATTERED MODERATE WITHIN 200 NM ON EITHER SIDE OF MONSOON TROUGH AND E OF 102W...AND FROM 03N TO 18N W OF 122W. .FORECASTER ERA. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 0600 UTC JUL 26 2025. 24 HOUR FORECAST VALID 0600 UTC JUL 27 2025. 48 HOUR FORECAST VALID 0600 UTC JUL 28 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW 12N141W 1013 MB MOVING W 10 KT. MONSOON TROUGH FROM 12N140W TO LOW TO 12N148W. ISOLATED MODERATE TSTMS WITHIN 300 NM OF MONSOON TROUGH. .24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 11N144W 1011 MB. TROUGH 11N140W TO LOW TO 09N155W. E TO NE WINDS 20 TO 25 KT WITHIN 150 NM N SEMICIRCLE OF LOW. .48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 11N146W 1007 MB. TROUGH 11N140W TO 12N144W TO LOW TO 10N149W. NE TO E WINDS 20 TO 30 KT AND SEAS 2.5 TO 3 M WITHIN 210 NM N SEMICIRCLE OF LOW. .TROUGH 30N170E 27N163E MOVING E SLOWLY. ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH. .24 HOUR FORECAST TROUGH 30N172E 28N169E 28N165E. .48 HOUR FORECAST TROUGH 30N174E 28N171E 28N166E. .WEAK TROUGH 24N148W 18N151W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 25N149W 21N153W 16N156W. .48 HOUR FORECAST TROUGH 27N149W 23N153W 27N148W 22N154W. .TROUGH 13N168E 09N165E MOVING W 15 KT. ISOLATED MODERATE TSTMS WITHIN 300 NM OF TROUGH. .24 HOUR FORECAST TROUGH 14N162E 10N161E. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA. .ITCZ 12N149W TO 12N162W. ISOLATED MODERATE TSTMS WITHIN 300 NM OF ITCZ. .ISOLATED MODERATE TSTMS N OF 28N BETWEEN 162W AND 168W. $$ .FORECASTER THOMAS. HONOLULU HI.