High Seas Forecast
Issued by NWS
Issued by NWS
659 FZPN01 KWBC 032206 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC WED DEC 03 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). PLEASE SEE PROPOSAL TO ALIGN NWS PACIFIC HIGH SEAS FORECASTS WITH METAREA XII: HTTPS://OCEAN.WEATHER.GOV/HIGHSEASPACIFICPROPOSAL/ (LOWERCASE). 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 DEC 03. 24 HOUR FORECAST VALID 1800 UTC DEC 04. 48 HOUR FORECAST VALID 1800 UTC DEC 05. .WARNINGS. ...HURRICANE FORCE WIND WARNING... .LOW W OF AREA 44N154E 978 MB MOVING NE 35 KT RAPIDLY INTENSIFYING AND TURNING N AFTER 12 HOURS. S OF 55N W OF 170E...EXCEPT S OF 37N BETWEEN 170E AND 164E...WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M IN MIXED SWELL. .06 HOUR FORECAST LOW W OF AREA 47N155E 962 MB. FROM 38N TO 51N BETWEEN 166E AND 160E WINDS 40 TO 55 KT. SEAS 3 TO 6 M. .18 HOUR FORECAST LOW NW OF AREA 51N157E 953 MB. FROM 48N TO 55N BETWEEN 173E AND 163E WINDS 50 TO 65 KT. SEAS 7.5 TO 10 M. .24 HOUR FORECAST LOW NW OF AREA 54N160E 948 MB. FROM 48N TO 56N W OF 176E WINDS 50 TO 65 KT. SEAS 7.5 TO 11 M. ALSO WITHIN 360 NM SE QUADRANT AND WITHIN 360 NM N AND E OF A FRONT FROM 53N167E TO 46N172E TO 40N171E...AND FROM 38N TO 44N W OF 166E WINDS 35 TO 50 KT. SEAS 4 TO 8 M. ELSEWHERE S OF 58N W OF 180W WINDS 25 TO 35 KT. SEAS 3 TO 6 M. .48 HOUR FORECAST LOW WELL NW OF AREA. CONDITIONS DESCRIBED WITH LOW 55N162E BELOW. ...GALE WARNING... .LOW 53N166W 985 MB MOVING E 10 KT. BETWEEN 180 NM AND 600 NM W AND NW QUADRANTS WINDS 35 TO 45 KT. SEAS 4 TO 8.5 M...HIGHEST NEAR 54N176W. ALSO WITHIN 480 NM SE SEMICIRCLE...BETWEEN 240 NM AND 780 NM N QUADRANT...AND S OF 63N BETWEEN 165W AND 174E WINDS 25 TO 35 KT. SEAS 3 TO 7 M...HIGHEST S OF CENTER AND NEAR 38N175W. ELSEWHERE FROM 46N TO 56N BETWEEN 154W AND 167E WINDS TO 25 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST LOW 52N164W 1003 MB. BETWEEN 240 NM AND 600 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE S OF THE ALEUTIAN ISLANDS BETWEEN 160W AND 180W...AND WITHIN THE BERING SEA S OF 60N BETWEEN 164W AND 180W WINDS TO 25 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 36N174W. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 56N149W 1000 MB. FROM 47N TO 57N BETWEEN 140W AND 160W WINDS 20 TO 30 KT. SEAS TO 3 M. ...GALE WARNING... .LOW 39N153W 1011 MB MOVING NE 20 KT. WITHIN 420 NM E AND 600 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .12 HOUR FORECAST LOW 45N149W 1008 MB. WITHIN 360 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW 49N145W 1008 MB. WITHIN 360 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW NEAR 52N131W 1000 MB. WITHIN 240 NM S AND SW QUADRANTS WINDS 30 TO 40 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 43N TO 53N BETWEEN 125W AND 138W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. ...GALE WARNING... .36 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER NEAR 49N178E 1002 MB. FROM 35N TO 52N BETWEEN 175W AND 168E WINDS 3 TO 6 M...HIGHEST SEAS W OF 174E. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 49N177W 1000 MB. S OF THE ALEUTIAN ISLANDS N OF 38N BETWEEN 167W AND 176E WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M. ...GALE WARNING... .42 HOUR FORECAST LOW JUST W OF AREA NEAR 39N158E 1004 MB. WITHIN 360 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .48 HOUR FORECAST LOW NEAR 43N163E 998 MB. FROM 34N TO 46N W OF 170E WINDS 25 TO 40 KT. SEAS 4 TO 6.5 M. ...GALE WARNING... .48 HOUR FORECAST NEW LOW NW OF AREA NEAR 55N162E 998 MB. NW OF A LINE FROM 45N160E TO 54N180W WINDS TO 25 KT. SEAS 3 TO 5.5 M IN SW SWELL. ...HEAVY FREEZING SPRAY WARNING... .MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A LINE FROM 59N167W TO 62N174W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF ALASKA. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N E OF 168W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM 58N166W TO 61N176W. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY E OF A LINE FROM 59N165W TO 62N170W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N AND NE OF A LINE FROM 58N158W TO 61N176W. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 480 NM SE OF A LINE FROM 57N140W TO 52N142W TO 40N154W...FROM 47N TO 61N BETWEEN 162W AND 176W...AND N OF 42N W OF 168E. .24 HOUR FORECAST DENSE FOG FROM 41N TO 53N BETWEEN 127W AND 155W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 59N161W AND 50N171W. .48 HOUR FORECAST DENSE FOG FROM 40N TO 46N BETWEEN 132W AND 151W...WITHIN 180 NM EITHER SIDE OF A LINE FROM 57N150W TO 49N127W...WITHIN 180 NM SW OF A LINE FROM 57N174E TO 48N173W...AND FROM 39N TO 45N W OF 167E. .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 DEC 3. 24 HOUR FORECAST VALID 1800 UTC THU DEC 4. 48 HOUR FORECAST VALID 1800 UTC FRI DEC 5. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 20N121W TO 17N130W TO 20N140W TO 15N132W TO 10N138W TO 10N129W TO 20N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL. .24 HOUR FORECAST WITHIN 03N124W TO 04N124W TO 04N125W TO 03N126W TO 02N126W TO 02N125W TO 03N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL. .33 HOUR FORECAST CONDITIONS IMPROVE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 1945 UTC WED DEC 3... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS FROM 09N85W TO 07N103W. ITCZ AXIS FROM 07N103W TO 11N119W AND FROM 07N131W TO 07N140W. SCATTERED MODERATE FROM 07N TO 10N E OF 104W AND FROM 06N TO 11N W OF 130W. .FORECASTER KONARIK. NATIONAL HURRICANE CENTER. $$