


High Seas Forecast
Issued by NWS
Issued by NWS
212 FZPN02 KWBC 150525 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 0545 UTC WED OCT 15 2025 CCODE/2:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). PLEASE SEE PROPOSAL TO ALIGN NWS PACIFIC HIGH SEAS FORECASTS WITH METAREA XII: HTTPS://OCEAN.WEATHER.GOV/HIGHSEASPACIFICPROPOSAL/ (LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). 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 4 METERS 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 0000 UTC OCT 15. 24 HOUR FORECAST VALID 0000 UTC OCT 16. 48 HOUR FORECAST VALID 0000 UTC OCT 17. .WARNINGS. ...HURRICANE FORCE WIND WARNING... .LOW 35N164E 998 MB MOVING NE 30 KT. WITHIN 60 NM OF CENTER WINDS 50 TO 65 KT. SEAS 5 TO 9 M. ELSEWHERE WITHIN 180 NM NW AND 150 NM SE QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 420 NM OF CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M...HIGHEST W OF CENTER. .24 HOUR FORECAST LOW 38N180W 1005 MB. WITHIN 180 NM ON EITHER SIDE OF A LINE FROM 34N174E TO 39N180W TO 39N170W WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE S OF 42N W OF 168W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW 59N147W 986 MB. FROM 51N TO 58N BETWEEN 136W AND 169W WINDS 25 TO 40 KT. SEAS 4 TO 9 M...HIGHEST NEAR 55N146W. ELSEWHERE WITHIN 900 NM W AND 840 NM E SEMICIRCLES WINDS TO 25 KT. SEAS 2.5 TO 5 M. ...STORM WARNING... .LOW 52N173W 959 MB MOVING NE 25 KT. FROM 47N TO 51N BETWEEN 169W AND 178W WINDS 45 TO 60 KT. SEAS 6 TO 10 M. ELSEWHERE FROM 42N TO 56N BETWEEN 157W AND 178E WINDS 30 TO 45 KT. SEAS 4 TO 7 M. ELSEWHERE WITHIN 1140 NM SW...1200 NM SE...720 NM E...AND 360 NM N AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 56N160W 969 MB AND SECOND NEW CENTER 58N149W 980 MB. FROM 49N TO 53N BETWEEN 152W AND 170W...AND N OF A LINE FROM 57N138W TO 59N146W TO 59N154W WINDS 40 TO 50 KT. SEAS 4.5 TO 10 M...HIGHEST NEAR 51N160W. ELSEWHERE FROM 47N TO 61N BETWEEN 135W AND 175W WINDS 30 TO 40 KT. SEAS 3 TO 8 M. ELSEWHERE WITHIN 1140 NM S...900 NM E...740 NM W AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 6 M. .48 HOUR FORECAST 45N160W 1004 MB. FROM 41N TO 47N BETWEEN 152W AND 165W WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 840 NM SE AND 540 NM SW QUADRANTS...AND WITHIN 300 NM N SEMICIRCLE WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .18 HOUR FORECAST LOW 49N165E 1000 MB. WITHIN 120 NM SW QUADRANT WINDS 30 TO 40 KT. SEAS 3 TO 4.5 M. .24 HOUR FORECAST LOW 49N168E 997 MB. WITHIN 180 NM SW QUADRANT WINDS 30 TO 40 KT. SEAS 4 TO 5.5 M. ELSEWHERE FROM 40N TO 54N W OF 180W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW 51N179W 995 MB. FROM 41N TO 52N BETWEEN 171W AND 171E WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M...HIGHEST NEAR 46N179E. ELSEWHERE S OF 55N W OF 169W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M. .SYNOPSIS AND FORECAST. .COMPLEX LOW WITH MEAN CENTER 36N122W 1008 MB DRIFTING E 10 KT. S OF 45N BETWEEN 118W AND 140W WINDS TO 25 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW DISSIPATED INLAND. S OF 33N BETWEEN 119W AND 144W WINDS LESS THAN 25 KT. SEAS TO 3 M. .48 HOUR FORECAST CONDITIONS DIMINISHED. .LOW INLAND 62N137W 997 MB MOVING E 25 KT. N OF 52N BETWEEN 133W AND 153W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .24 HOUR FORECAST LOW MOVED WELL INLAND AND CONDITIONS DIMINISHED. .48 HOUR FORECAST FROM 32N TO 43N BETWEEN 120W AND 128W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 48N BETWEEN 149W AND 153W. .24 HOUR FORECAST CONDITIONS IMPROVED. .48 HOUR FORECAST DENSE FOG N OF 61N W OF 170W. .FORECASTER POCHE. 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 0000 UTC WED OCT 15. 24 HOUR FORECAST VALID 0000 UTC THU OCT 16. 48 HOUR FORECAST VALID 0000 UTC FRI OCT 17. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW PRES...INVEST EP91...NEAR 12N94W 1008 MB. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LOW PRES...INVEST EP91...NEAR 12.5N95.5W 1006 MB. WITHIN 13N95W TO 14N96W TO 13N97W TO 11N96W TO 09N94W TO 10N94W TO 13N95W W TO NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LOW PRES...INVEST EP91...NEAR 13N96W 1005 MB. WITHIN 14N94W TO 14N95W TO 14N96W TO 12N95W TO 12N94W TO 14N94W S TO SW WINDS 20 TO 25 KT. SEAS TO 2.5 M. WITHIN 11N95W TO 11N97W TO 09N99W TO 07N99W TO 07N98W TO 08N95W TO 11N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S TO SW SWELL. .COLD FRONT FROM 30N119W TO 28N126W TO 30N135W. WITHIN 30N119W TO 30N139W TO 27N135W TO 26N130W TO 27N122W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL. .24 HOUR FORECAST DISSIPATING COLD FRONT FROM 26N113W TO 24N128W TO 28N140W. WITHIN 28N117W TO 30N140W TO 23N140W TO 22N125W TO 28N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL. .48 HOUR FORECAST COLD FRONT DISSIPATED. FRONTAL TROUGH FROM 22N110W TO 21N130W TO 23N140W. WITHIN 20N129W TO 26N140W TO 14N140W TO 13N134W TO 17N128W TO 20N129W WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M...EXCEPT 2.5 TO 3 M IN N TO NE SWELL W OF 130W. .WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 15N96W TO 15N95W TO 15N94W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .45 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0315 UTC WED OCT 15... .SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF 08N79W. .SCATTERED MODERATE WITHIN 30 NM OF 09N85W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS EXTENDS FROM 11.5N86W TO LOW PRES...INVEST EP91...NEAR 12N94W 1008 MB TO 09N105W TO 11N114W TO 08N124W. ITCZ EXTENDS FROM 08N124W TO 09.5N135W TO 10N140W. SCATTERED MODERATE FROM 06N TO 10N BETWEEN 94W AND 102W. $$+ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 0000 UTC OCT 15 2025. 24 HOUR FORECAST VALID 0000 UTC OCT 16 2025. 48 HOUR FORECAST VALID 0000 UTC OCT 17 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N153W 25N154W NEARLY STATIONARY. SCATTERED MODERATE TSTMS WITHIN 150 NM OF TROUGH. .24 HOUR FORECAST TROUGH 30N155W 26N157W. .48 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 30N163W 26N165W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 30N169W 26N171W. .48 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 30N167W 27N169W MOVING W 10 KT. .24 HOUR FORECAST TROUGH MERGED WITH TROUGH IN PARAGRAPH ABOVE. .TROUGH 13N157W 08N162W MOVING W SLOWLY. ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH. .24 HOUR FORECAST TROUGH 13N160W 09N164W. .48 HOUR FORECAST TROUGH ABSORBED INTO ITCZ. .TROUGH 09N169E 05N160E MOVING W 10 KT. SCATTERED MODERATE TSTMS FROM 02N TO 10N W OF 170E. .24 HOUR FORECAST TROUGH 12N166E 09N160E. .48 HOUR FORECAST TROUGH MOVED W OF AREA. .24 HOUR FORECAST NEW FRONT 30N172E 27N166E. .48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N179W 28N169E. .WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA. .SEAS 2.5 TO 3 M IN AREA BOUNDED BY 30N180W 30N165W 10N175W 16N160E 30N180W...AND N OF 28N W OF 162E. .24 HOUR FORECAST SEAS 2.5 TO 3.5 M N OF LINE 30N172E 25N160E. SEAS 2.5 TO 3 M FROM 12N TO 20N BETWEEN 170W AND 179E...AND N OF 23N E OF 146W. .48 HOUR FORECAST SEAS 2.5 TO 3 M N OF 27N BETWEEN 180W AND 170E... AND N OF LINE 14N140W 30N165W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 11N140W 07N151W...AND FROM 10N163W 10N179W 09N171E. SCATTERED MODERATE TSTMS FROM 03N TO 12N BETWEEN 180W AND 170E. ISOLATED MODERATE TSTMS WITHIN 150 NM OF ITCZ BETWEEN 163W AND 180W. SCATTERED MODERATE TSTMS FROM 17N TO 21N BETWEEN 177E AND 170E. $$ .FORECASTER WROE/VAUGHAN. HONOLULU HI.