


High Seas Forecast
Issued by NWS
Issued by NWS
048 FZPN02 KWBC 161725 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1745 UTC WED JUL 16 2025 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 16. 24 HOUR FORECAST VALID 1200 UTC JUL 17. 48 HOUR FORECAST VALID 1200 UTC JUL 18. .WARNINGS. ...GALE WARNING... .LOW 46N175E 1001 MB MOVING NE 25 KT. FROM 41N TO 47N BETWEEN 174W AND 163E WINDS 20 TO 30 KT. SEAS TO 3 M. .12 HOUR FORECAST LOW 48N177W 1000 MB. WITHIN 360 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 51N172W 998 MB. WITHIN 240 NM NE AND 300 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 660 NM S AND SE AND 420 NM NE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 55N159W 1006 MB. FROM 44N TO 58N BETWEEN 149W AND 160W AND WITHIN 600 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M...HIGHEST NEAR 51N159W. ...GALE WARNING... .FROM 39N TO 57N BETWEEN 125W AND 140W...AND FROM 30N TO 39N BETWEEN 130W AND 150W AREA OF N WINDS 20 TO 30 KT. SEAS TO 3.5 M...HIGHEST NEAR 42N133W. .12 HOUR FORECAST FROM 49N TO 54N E OF 135W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 3 TO 4 M. .24 HOUR FORECAST FROM 48N TO 54N BETWEEN 126W AND 136W AREA OF NW WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE N OF 38N BETWEEN 125W AND 142W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST FROM 40N TO 54N BETWEEN 125W AND 136W...AND FROM 35N TO 40N BETWEEN 132W AND 145W WINDS 20 TO 30 KT. SEAS TO 3.5 M...HIGHEST NEAR 48N128W. .SYNOPSIS AND FORECAST. .LOW 57N159W 1012 MB MOVING N 15 KT. FROM 51N TO 60N BETWEEN 148W AND 160W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW INLAND 63N159W 1014 MB. N OF 57N BETWEEN 145W AND 157W WINDS TO 25 KT. SEAS TO 3 M. .36 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. .LOW NW OF AREA NEAR 60N177E 988 MB MOVING SW 05 KT. WITHIN 300 NM S AND 420 NM E AND NE QUADRANTS...AND FROM 44N TO 55N BETWEEN 168W AND 174W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M...HIGHEST W OF 170W IN THE BERING SEA. .24 HOUR FORECAST LOW NW OF AREA 59N173E 991 MB. FROM 57N TO 63N W OF 165W WINDS TO 25 KT. SEAS TO 3 M...HIGHEST NEAR 61N177W. .48 HOUR FORECAST LOW 57N173E 995 MB. FROM 60N TO 64N W OF 168W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 47N167E 1004 MB. FROM 41N TO 47N W OF 170E WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 48N179W 1002 MB. FROM 40N TO 48N BETWEEN 171W AND 160E WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 47N E OF 126W...FROM 56N TO 59N BETWEEN 147W AND 157W4...FROM 44N TO 52N BETWEEN 173W AND 180W...AND FROM 40N TO 49N W OF 180W. .24 HOUR FORECAST DENSE FOG FROM 39N TO 48N E OF 125W...FROM 43N TO 51N BETWEEN 151W AND 165W...FROM 44N TO 61N BETWEEN 169W AND 176W...AND FROM 40N TO 50N W OF 169E. .48 HOUR FORECAST DENSE FOG FROM 41N TO 49N E OF 125W...FROM 50N TO 54N BETWEEN 140W AND 156W...WITHIN 300 NM E OF A LINE FROM 50N158W TO 44N170W...FROM 43N TO 48N BETWEEN 177W AND 178E...AND FROM 42N TO 48N W OF 171E. .FORECASTER BANCROFT. 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 WED JUL 16. 24 HOUR FORECAST VALID 1200 UTC THU JUL 17. 48 HOUR FORECAST VALID 1200 UTC FRI JUL 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO 10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT. SEAS TO 2.5 M. .WITHIN 30N124W TO 30N140W TO 29N140W TO 29N128W TO 30N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 00N105W TO 01S120W TO 03.4S120W TO 03.4S90W TO 00N105W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .24 HOUR FORECAST WITHIN 03S105W TO 01S110W TO 02S113W TO 03.4S117W TO 03.4S104W TO 03S105W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 16N95W TO 15N95W TO 14N95W TO 14N94W TO 15N94W TO 16N95W...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 1550 UTC WED JUL 16... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 10N86W TO 11N 110W TO 10N135W. THE ITCZ CONTINUES FROM 10N135W TO BEYOND 08N140W. SCATTERED MODERATE FROM 02N TO 08N E OF 90W...FROM 07N TO 11N BETWEEN 90W AND 100W...AND FROM 06N TO 13N BETWEEN 120W AND 130W. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1200 UTC JUL 16 2025. 24 HOUR FORECAST VALID 1200 UTC JUL 17 2025. 48 HOUR FORECAST VALID 1200 UTC JUL 18 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N179W 28N177E 25N171E NEARLY STATIONARY. .24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N175E 24N170E. .48 HOUR FORECAST TROUGH 30N165E 22N162E. .TROUGH 22N178E 19N177E 15N177E MOVING W 10 KT. .24 HOUR FORECAST TROUGH MERGES WITH TROUGH DESCRIBED IMMEDIATELY ABOVE. .TROUGH 28N172W 23N172W MOVING W SLOWLY. .24 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA. .SEAS 2.5 TO 3.0 M S OF 19N E OF 178E...AND N OF 27N E OF 150W. .24 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 19N TO 07N BETWEEN 175E AND 145W...AND N OF 25N E OF 152W. .48 HOUR FORECAST SEAS 2.5 TO 3.0M FROM 18N TO 06N BETWEEN 172E AND 155W...AND N OF 25N BETWEEN 145W AND 155W...AND N OF 26N W OF 164E. .SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA. .ITCZ 09N140W 09N154W 07N167W 07N175E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ. $$ .FORECASTER M BALLARD. HONOLULU HI.