


High Seas Forecast
Issued by NWS
Issued by NWS
649 FZPN02 KWBC 151725 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1745 UTC TUE JUL 15 2025 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC JUL 15. 24 HOUR FORECAST VALID 1200 UTC JUL 16. 48 HOUR FORECAST VALID 1200 UTC JUL 17. .WARNINGS. ...GALE WARNING... .LOW 57N174E 985 MB MOVING NE 10 KT. WITHIN 240 NM SW QUADRANT WINDS 3O TO 40 KT. SEAS 3 TO 4 M. ELSEWHERE N OF 51N AND NW OF A LINE FROM 50N175W TO 64N158W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M...HIGHEST SE OF LOW CENTER. .24 HOUR FORECAST LOW 60N177E 987 MB. WITHIN 360 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M. ELSEWHERE N OF 55N W OF 168W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW MOVED NW OF AREA AND CONDITIONS DIMINISHED. ...GALE WARNING... .WITHIN AREA BOUNDED BY A LINE FROM 38N123W TO 32N126W TO 31N145W TO 35N147W TO 43N133W TO 50N131W TO 48N125W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR 40N126W. .24 HOUR FORECAST FROM 37N TO 57N BETWEEN 125W AND 138W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .36 HOUR FORECAST FROM 46N TO 54N BETWEEN 126W AND 133W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST FROM 37N TO 55N E OF A LINE FROM 55N133W TO 37N145W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 50N131W. ...GALE WARNING... .24 HOUR FORECAST LOW 46N175E 1004 MB. FROM 40N TO 46N W OF 175W WINDS TO 25 KT. SEAS TO 3 M. .36 HOUR FORECAST LOW 48N177W 1002 MB. WITHIN 240 NM SE SEMICIRCLE WINDS 30 TO 40 KT. SEAS TO 4 M. .48 HOUR FORECAST LOW 49N173W 1001 MB. FROM 43N TO 52N BETWEEN 167W AND 175W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .SYNOPSIS AND FORECAST. .COMPLEX LOW WITH MAIN CENTER 47N159W 1022 MB MOVING N 25 KT. WITHIN 180 NM E SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 56N159W 1014 MB. FROM 52N TO 57N BETWEEN 152W AND 159W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW MOVED INLAND AND CONDITIONS DIMINISHED. .24 HOUR FORECAST S OF 37N BETWEEN 126W AND 148W WINDS LESS THAN 20 KT. SEAS TO 3 M. .48 HOUR FORECAST S OF 32N BETWEEN 142W AND 153W WINDS LESS THAN 20 KT. SEAS TO 3 M. .48 HOUR FORECAST NEW LOW 46N165E 1007 MB. WITHIN 300 NM S SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 50N BETWEEN 155W AND 160W...AND FROM 46N TO 55N BETWEEN 180W AND 175E...AND FROM 40N TO 49N W OF 166E. .24 HOUR FORECAST DENSE FOG WITHIN 360 NM SE AND S OF A LINE FROM 52N178W TO 47N172E TO 48N160E...AND N OF 56N BETWEEN 149W AND 159W. .48 HOUR FORECAST DENSE FOG FROM 44N TO 50N BETWEEN 154W AND 172W...AND FROM 42N TO 49N W OF 169E. .FORECASTER POCHE. OCEAN PREDICTION CENTER. 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 TUE JUL 15. 24 HOUR FORECAST VALID 1200 UTC WED JUL 16. 48 HOUR FORECAST VALID 1200 UTC THU JUL 17. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 11N86W TO 11N88W TO 10N88W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .WITHIN 01N108W TO 00N114W TO 01N120W TO 00N129W TO 03.4S120W TO 03.4S96W TO 01N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL. .24 HOUR FORECAST WITHIN 03S93W TO 01S102W TO 03S114W TO 03.4S116W TO 03.4S92W TO 03S93W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL. .42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .21 HOUR FORECAST WITHIN 30N126.5W TO 30N139.5W TO 29.5N138.5W TO 29.5N134W TO 29.5N127.5W TO 30N126.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 30N126W TO 30N140W TO 29.5N140W TO 29N132.5W TO 29.5N126.5W TO 30N126W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .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 1550 UTC TUE JUL 15... .TROPICAL WAVE FROM 03N TO 15N WITH AXIS NEAR 98W...SCATTERED MODERATE FROM 05N TO 11N BETWEEN 95W AND 102W. .TROPICAL WAVE FROM 05N TO 17N WITH AXIS NEAR 109W...SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 17N BETWEEN 106W AND 114W. .TROPICAL WAVE FROM 05N TO 17N WITH AXIS NEAR 126W...SCATTERED MODERATE ISOLATED STRONG FROM 06N TO 13N BETWEEN 120W AND 135W. .TROPICAL WAVE FROM 04N TO 17N WITH AXIS NEAR 138W...NUMEROUS MODERATE TO STRONG FROM 08N TO 14N BETWEEN 134W AND 145W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 09N84W TO 07N97W TO 10N110W. THE ITCZ EXTENDS FROM 10N110W TO 10N125W...THEN RESUMES WEST OF A TROPICAL WAVE FROM 10N128W TO 10N137W...THEN RESUMES WEST OF ANOTHER TROPICAL WAVE NEAR 10N140W AND BEYOND. NUMEROUS MODERATE ISOLATED STRONG N OF 04N E OF 81W. SCATTERED MODERATE FROM 05N TO 11N BETWEEN 82W AND 93W. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1200 UTC JUL 15 2025. 24 HOUR FORECAST VALID 1200 UTC JUL 16 2025. 48 HOUR FORECAST VALID 1200 UTC JUL 17 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N179W 26N171E NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 90 NM OF FRONT. .24 HOUR FORECAST FRONT 30N179W 28N176E. .48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N173E 26N167E. .TROUGH 29N167W 27N168W 25N170W MOVING W SLOWLY. .24 HOUR FORECAST TROUGH DISSIPATED. .24 HOUR FORECAST WINDS 20 TO 25 KT FROM 22N TO 17N BETWEEN 158W AND 155W. .48 HOUR FORECAST WINDS EASED 20 KT OR LESS. .WINDS 20 KT OR LESS REMAINDER FORECAST AREA. .SEAS 2.5 TO 3.5 M FROM 14N TO 06N BETWEEN 176W AND 153W. .24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 08N BETWEEN 179W AND 142W. .48 HOUR FORECAST SEAS LOWERED TO 2.5 M OR LOWER. .SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA. .ITCZ 09N140W 08N152W 06N170W 06N170E 07N160E. ISOLATED MODERATE TSTMS WITHIN 270 NM OF ITCZ. .SCATTERED MODERATE TSTMS FROM 22N TO 15N W OF 163E. $$ .FORECASTER PIERCE. HONOLULU HI.