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High Seas Forecast
Issued by NWS
Issued by NWS
914 FZPN01 KWBC 172220 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC WED JUL 17 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC JUL 17. 24 HOUR FORECAST VALID 1800 UTC JUL 18. 48 HOUR FORECAST VALID 1800 UTC JUL 19. .WARNINGS. ...GALE WARNING... .LOW 50N162W 1007 MB MOVING E 20 KT. WITHIN 360 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 11 FT. .06 HOUR FORECAST LOW 50N159W 1006 MB. WITHIN 240 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS TO 11 FT. .24 HOUR FORECAST LOW 50N152W 1007 MB. WITHIN 240 NM SW SEMICIRCLE AND 240 NM E QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .48 HOUR FORECAST LOW 49N146W 1009 MB. WITHIN 300 NM SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 11 FT. ...GALE WARNING... .LOW 50N160E 998 MB MOVING SE 15 KT. WITHIN 360 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW 50N168E 1001 MB. FROM 50N TO 54N W OF 179E AND FROM 39N TO 50N BETWEEN 179E TO 171E WINDS 20 TO 30 KT. SEAS TO 10 FT. .30 HOUR FORECAST LOW 51N171E 1000 MB. FROM 42N TO 49N BETWEEN 178E AND 175E WINDS 25 TO 35 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW 53N173E 998 MB. WITHIN 240 NM NE AND W QUADRANTS...AND FROM 36N TO 52N BETWEEN 173W TO 172W WINDS 20 T0 30 KT. SEAS 8 TO 12 FT. .SYNOPSIS AND FORECAST. .LOW 56N136W 1007 MB MOVING NE 30 KT. FROM 46N TO 58N BETWEEN 132W AND 142W WINDS 20 TO 30 KT. SEAS TO 10 FT. .24 FORECAST LOW DISSIPATED ASSOCIATED CONDITIONS DIMINISHED. .LOW 41N138W 1011 MB MOVING NE 10 KT. FROM 33N TO 44N BETWEEN 135W AND 143W WINDS TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST LOW 45N134W 1012 MB. ASSOCIATED CONDITIONS DIMINISHED. .FROM 34N TO 37N BETWEEN 120W AND 123W WINDS TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST FROM 33N TO 39N BETWEEN 121W AND 124W WINDS TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST FROM 35N TO 40N BETWEEN 121W AND 125W WINDS TO 25 KT. SEAS TO 11 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 49N E OF 125W...FROM 43N TO 59N BETWEEN 133W AND 136W...FROM 42N TO 53N BETWEEN 160W AND 165W...42N TO 46N BETWEEN 176W AND 170E...AND N OF 40N W OF 170E. .24 HOUR FORECAST DENSE FOG FROM 41N TO 53N BETWEEN 169W AND 166E...AND FROM 40N TO 43N E OF 126W. .48 HOUR FORECAST DENSE FOG FROM FROM 55N TO 56N BETWEEN 135W AND 138W...N OF 50N BETWEEN 170W AND 171E...FROM 45N TO 53N BETWEEN 163W AND 170W...AND FROM 41N TO 50N BETWEEN 174W TO 176E. .FORECASTER ANDERSON. 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 1800 UTC WED JUL 17. 24 HOUR FORECAST VALID 1800 UTC THU JUL 18. 48 HOUR FORECAST VALID 1800 UTC FRI JUL 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 19N124W TO 20N125W TO 20N126W TO 18N127W TO 17N126W TO 18N124W TO 19N124W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. .24 HOUR FORECAST WITHIN 19N126W TO 20N126W TO 20N128W TO 19N129W TO 17N130W TO 16N129W TO 19N126W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. .48 HOUR FORECAST WITHIN 21N130W TO 21N131W TO 20N133W TO 19N133W TO 19N132W TO 19N131W TO 21N130W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .15 HOUR FORECAST WITHIN 06N95W TO 06N100W TO 04N100W TO 03N97W TO 04N95W TO 06N95W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 2150 UTC WED JUL 17... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM THE COAST OF COSTA RICA NEAR 09N84W TO 08N97W TO 09N112W TO 07N117W. THE ITCZ BEGINS NEAR 12N136W AND CONTINUES BEYOND 12N140W. NUMEROUS MODERATE TO STRONG FROM 03N TO 10N E OF 90W. SCATTERED MODERATE ISOLATED STRONG FROM 06N TO 12N BETWEEN 92W AND 101W. SCATTERED MODERATE FROM 05N TO 12N BETWEEN 103W AND 117W. .FORECASTER RAMOS. NATIONAL HURRICANE CENTER. $$