High Seas Forecast
Issued by NWS
Issued by NWS
619 FZPN01 KWBC 170350 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC WED JUL 17 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL JULY 29 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY. TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE) HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP 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 0000 UTC JUL 17. 24 HOUR FORECAST VALID 0000 UTC JUL 18. 48 HOUR FORECAST VALID 0000 UTC JUL 19. .WARNINGS. ...GALE WARNING... .LOW W OF AREA 53N154E 993 MB MOVING SE 15 KT. N OF 46N W OF 163E WINDS TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW 50N163E 999 MB. BETWEEN 120 NM AND 300 NM NE...90 NM AND 240 NM SE AND 60 NM AND 300 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST COMPLEX LOW WITHIN MAIN LOW 51N172E 1002 MB AND SECOND LOW 49N168E 1002 MB. BETWEEN 120 NM AND 300 NM SW SEMICIRCLE OF SECOND LOW...180 NM AND 600 NM NE SEMICIRCLE OF MAIN LOW AND WITHIN 420 NM E AND SE OF A FRONT FROM 52N178E TO 46N176E TO 35N165E WINDS 20 TO 30 KT. SEAS TO 10 FT. ...GALE WARNING... .LOW 49N174W 1010 MB MOVING NE 25 KT. WITHIN 360 NM SE AND 420 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW 51N162W 1004 MB. WITHIN 240 NM NE...420 NM SE...360 NM SW AND 240 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST LOW 50N150W 1007 MB. WITHIN 180 NM NE...300 NM SE...360 NM SW...AND 240 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT IN MIXED SWELL. .SYNOPSIS AND FORECAST. .LOW 48N140W 1006 MB MOVING NE 20 KT. WITHIN 180 NM W AND NW OF A LINE FROM 46N142W TO 52N137W AND WITHIN 420 NM NE...240 NM E AND 780 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT. .24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR 46N136W 1010 MB. WITHIN 120 NM W AND NW OF A LINE FROM 43N140W TO 51N136W...WITHIN 90 NM E OF A LINE FROM 48N135W TO 40N136W AND WITHIN 90 NM E AND SE OF LINE FROM 40N136W TO 33N143W WINDS TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST LOW 51N136W 1010 MB. FROM 49N TO 53N BETWEEN 131W AND 138W WINDS TO 25 KT. SEAS LESS THAN 8 FT. .LOW 64N164W 1008 MB MOVING SE 10 KT. WITHIN 90 NM SW AND 120 NM NW QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS DIMINISHED. .WITHIN 90 NM NE OF A LINE FROM 32N119W TO THE COAST OF CALIFORNIA AREA OF NW WINDS TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST E OF A LINE FROM 32N122W TO 39N125W TO THE COAST OF CALIFORNIA AREA OF NW WINDS TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 53N BETWEEN 135W AND 141W...FROM 43N TO 50N BETWEEN 168W AND 178W...WITHIN 60 NM N OF A LINE FROM 42N179E TO 40N163E AND N OF 47 W OF 163E. .24 HOUR FORECAST DENSE FOG WITHIN 60 NM W OF A LINE FROM 47N135W TO 50N134W...FROM 42N TO 48N BETWEEN 176W AND 164W AND N OF 48N BETWEEN 167E AND 163E. .48 HOUR FORECAST DENSE FOG FROM 43N TO 53N BETWEEN 176W AND 170E AND WITHIN 120 NM NE OF A LINE FROM 50N176W TO 43N168W. .FORECASTER FUTTERMAN. 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 0000 UTC WED JUL 17. 24 HOUR FORECAST VALID 0000 UTC THU JUL 18. 48 HOUR FORECAST VALID 0000 UTC FRI JUL 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW PRES NEAR 16N126W 1008 MB. WITHIN 19N120W TO 20N121W TO 19N128W TO 18N130W TO 15N129W TO 15N126W TO 19N120W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. .24 HOUR FORECAST LOW PRES NEAR 17N124W 1009 MB. WITHIN 20N123W TO 20N126W TO 19N127W TO 17N127W TO 17N126W TO 19N124W TO 20N123W NE WINDS 20 TO 25 KT. SEAS 8 FT IN MIXED SWELL. .48 HOUR FORECAST LOW PRES NEAR 18N126W 1009 MB. WITHIN 21N127W TO 21N128W TO 20N129W TO 18N129W TO 18N128W TO 19N127W TO 21N127W NE WINDS 20 TO 25 KT. SEAS 8 FT. .WITHIN 14.5N139.5W TO 15N139.5W TO 15N140W TO 14N140W TO 14N139.5W TO 14.5N139.5W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL. .06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .WITHIN 06N96W TO 08N100W TO 07N101W TO 04N102W TO 03N100W TO 03N97W TO 06N96W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL. .24 HOUR FORECAST WITHIN 05N95W TO 06N98W TO 04N99W TO 03N98W TO 03N96W TO 04N95W TO 05N95W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL. .48 HOUR FORECAST WITHIN 08N92W TO 08N98W TO 05N98W TO 05N94W TO 06N92W TO 08N92W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL. .06 HOUR FORECAST WITHIN 12N86W TO 12N87W TO 12N90W TO 11N90W TO 10N89W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 05N117W TO 05N122W TO 00N123W TO 03.4S120W TO 02S114W TO 00N117W TO 05N117W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0330 UTC WED JUL 17... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM 09N84W TO 08N100W TO LOW PRES NEAR 16N126W 1008 MB TO 11N135W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 09N BETWEEN 77W AND 87W...AND FROM 07N TO 12N BETWEEN 89W AND 98W. SCATTERED MODERATE FROM 06N TO 15N BETWEEN 102W AND 116W. .FORECASTER AREINHART. NATIONAL HURRICANE CENTER. $$