High Seas Forecast
Issued by NWS
Issued by NWS
172 FZPN01 KWBC 222136 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC SUN SEP 22 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL OCTOBER 16 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 HIGH SEAS AREAS ONLY. TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE) HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH PACIFIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. 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 SEP 22. 24 HOUR FORECAST VALID 1800 UTC SEP 23. 48 HOUR FORECAST VALID 1800 UTC SEP 24. .WARNINGS. ...STORM WARNING... .LOW 54N159W 969 MB MOVING NE 15 KT. WITHIN 240 NM N AND NE...480 NM SE...AND 660 NM S QUADRANTS WINDS 40 TO 50 KT. SEAS 10 TO 26 FT. ELSEWHERE WITHIN 960 NM SE...1020 NM SW...660 NM NW...AND 600 NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 18 FT. .24 HOUR FORECAST LOW 57N149W 977 MB. WITHIN 780 NM SE...1020 NM SW...AND 720 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 24 FT...EXCEPT IN NW QUADRANT 8 TO 12 FT. .48 HOUR FORECAST LOW 59N147W 986 MB. WITHIN 660 NM W AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. ELSEWHERE WITHIN 360 NM E AND 960 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 16 FT. ...GALE WARNING... .FROM 35N TO 44N W OF 166E WINDS 20 TO 30 KT. SEAS TO 9 FT. .12 HOUR FORECAST LOW W OF AREA 41N157E 1000 MB. BETWEEN 46N AND A LINE FROM 36N160E TO 40N172E WINDS 25 TO 35 KT. SEAS TO 12 FT. .24 HOUR FORECAST LOW 43N162E 1003 MB. BETWEEN 47N AND A LINE FROM 34N160E TO 43N177E WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. .48 HOUR FORECAST LOW 46N177W 999 MB. FROM 39N TO 50N BETWEEN 161W AND 167E WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 300 NM N AND NW OF A LINE FROM 39N167E TO 35N160E WINDS 20 TO 30 KT. SEAS TO 12 FT. .SYNOPSIS AND FORECAST. .FROM 33N TO 43N BETWEEN 124W AND 129W WINDS 20 TO 30 KT. SEAS TO 10 FT. .24 HOUR FORECAST FROM 34N TO 43N BETWEEN 124W AND 130W WINDS 20 TO 30 KT. SEAS TO 10 FT. .48 HOUR FORECAST FROM 33N TO 43N BETWEEN 124W AND 132W WINDS TO 30 KT. SEAS TO 9 FT. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 54N BETWEEN 136W AND 148W. .24 HOUR FORECAST DENSE FOG FROM 41N TO 46N W OF 176E. .48 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN 165W AND 176E. .FORECASTER ACHORN. 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 SUN SEP 22. 24 HOUR FORECAST VALID 1800 UTC MON SEP 23. 48 HOUR FORECAST VALID 1800 UTC TUE SEP 24. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL DEPRESSION TEN-E NEAR 13.8N 98.7W 1005 MB AT 2100 UTC SEP 22 MOVING N OR 360 DEG AT 0 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 14N97W TO 15N99W TO 11N104W TO 09N102W TO 09N101W TO 12N98W TO 14N97W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. WITHIN 13N107W TO 15N108W TO 15N111W TO 14N112W TO 12N111W TO 11N107W TO 13N107W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW TO W SWELL. .12 HOUR FORECAST TROPICAL STORM TEN-E NEAR 14.0N 98.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .24 HOUR FORECAST TROPICAL STORM TEN-E NEAR 14.4N 98.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM S SEMICIRCLE...40 NM NE QUADRANT AND 20 NM NW QUADRANT. SEAS TO 2 FT WITHIN 60 NM OF CENTER. ELSEWHERE WITHIN 16N97W TO 17N100W TO 15N102W TO 13N100W TO 12N96W TO 13N95W TO 16N97W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 13N95W TO 14N111W TO 12N114W TO 06N96W TO 13N95W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST TROPICAL STORM TEN-E NEAR 15.0N 96.6W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE AND SW QUADRANTS...30 NM NW QUADRANT AND 60 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE WITHIN 16N96W TO 16N97W TO 15N98W TO 14N97W TO 14N96W TO 14N95W TO 16N96W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA WITHIN 12N91W TO 14N97W TO 18N101W TO 12N111W TO 08N105W TO 06N95W TO 12N91W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .WITHIN 13N139W TO 14N140W TO 10N140W TO 11N139W TO 13N139W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S SWELL. .06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .18 HOUR FORECAST WITHIN 30N127.5W TO 30N131W TO 29.5N130.5W TO 29N129.5W TO 29N128.5W TO 30N127.5W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL. .24 HOUR FORECAST LITTLE CHANGE. .36 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 2100 UTC SUN SEP 22... .T.D. 10-E...SCATTERED TO NUMEROUS MODERATE FROM 11N TO 16N BETWEEN 95W AND 109W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 13N87W TO 16N107W TO 11N140W. SCATTERED MODERATE FROM 09N TO 12N BETWEEN 124W AND 132W...AND FROM 09N TO 13N AND W OF 136W. .FORECASTER ERA. NATIONAL HURRICANE CENTER. $$