High Seas Forecast
Issued by NWS
Issued by NWS
438 FZPN02 KWBC 301725 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1745 UTC WED SEP 30 2026 CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). 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 S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT TO 53N172E TO 50N180W TO 30N180W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1200 UTC SEP 30. 24 HOUR FORECAST VALID 1200 UTC OCT 01. 48 HOUR FORECAST VALID 1200 UTC OCT 02. .WARNINGS. ...GALE WARNING... .COMPLEX LOW WITH MAIN CENTER 52N177E 991 MB MOVING E 05 KT. FROM 39N TO 61N W OF 170W WINDS 25 TO 40 KT. SEAS TO 4 M. .24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N177E 993 MB AND SECOND NEW CENTER 57N172W 989 MB. FROM 37N TO 60N W OF 158W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 52N162W 993 MB. FROM 35N TO 60N W OF 146W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .SYNOPSIS AND FORECAST. .LOW 60N150W 1005 MB DRIFTING E. FROM 52N TO 57N E OF 163W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 60N149W 1007 MB. N OF 54N BETWEEN 135W AND 155W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS DIMINISHED. .S OF 43N BETWEEN 119W AND 132W N TO NW WINDS 20 TO 30 KT. SEAS TO 4 M. .24 HOUR FORECAST S OF 43N BETWEEN 120W AND 130W N TO NW WINDS 20 TO 30 KT. SEAS TO 3.5 M. .48 HOUR FORECAST FROM 32N TO 42N BETWEEN 124W AND 130W N WINDS 20 TO 30 KT. SEAS TO 3 M. .COMPLEX LOW WITH FIRST CENTER 36N156W 1011 MB MOVING NE 15 KT AND SECOND CENTER 44N146W 1010 MB MOVING NE 20 KT. WITHIN THE AREA BOUNDED BY A LINE FROM 30N154W TO 46N134W TO 47N148W TO 30N180W TO 30N154W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 39N149W 1010 MB AND SECOND CENTER 46N139W 1009 MB. S OF A LINE FROM 49N140W TO 32N177W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 39N147W 1013 MB AND SECOND CENTER 50N131W 1011 MB. CONDITIONS DIMINISHED. .N OF 64N W OF ALASKA NW TO N WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST CONDITIONS DIMINISHED. .EXCEPT WHERE DESCRIBED ABOVE S OF 53N E OF 150W WINDS LESS THAN 25 KT. SEAS TO 2.5 M IN MIXED SWELL. .24 HOUR FORECAST EXCEPT WHERE DESCRIBED ABOVE S OF 50N E OF 140W WINDS LESS THAN 25 KT. SEAS TO 2.5 M IN MIXED SWELL. .48 HOUR FORECAST CONDITIONS DIMINISHED. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 52N W OF 178W. .24 HOUR FORECAST DENSE FOG FROM 43N TO 46N BETWEEN 164W AND 173W AND WITHIN 60 NM OF 52N179W. .48 HOUR FORECAST DENSE FOG FROM 50N TO 53N BETWEEN 154W AND 158W. .FORECASTER JOSEPH. 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 1200 UTC WED SEP 30. 24 HOUR FORECAST VALID 1200 UTC THU OCT 1. 48 HOUR FORECAST VALID 1200 UTC FRI OCT 2. .WARNINGS. ...HURRICANE WARNING... .HURRICANE RACHEL NEAR 18.1N 108.0W 978 MB AT 1500 UTC SEP 30 MOVING NW OR 315 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE QUADRANT...300 NM SE QUADRANT...120 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 10 M. ELSEWHERE WITHIN 16N102W TO 20N107W TO 20N109W TO 13N109W TO 09N111W TO 10N106W TO 16N102W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 16N98W TO 22N110W TO 16N113W TO 12N110W TO 09N113W TO 09N100W TO 16N98W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE RACHEL NEAR 19.3N 109.5W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM SE AND 210 NM NW SEMICIRCLES WITH SEAS TO 11 M. ELSEWHERE WITHIN 21N106W TO 22N109W TO 20N113W TO 17N112W TO 15N108W TO 17N105W TO 21N106W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 23N106W TO 25N108W TO 25N117W TO 17N119W TO 16N113W TO 19N113W TO 23N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE RACHEL NEAR 19.9N 110.9W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 330 NM SE AND 180 NM NW SEMICIRCLES WITH SEAS TO 11 M. ELSEWHERE WITHIN 20N106W TO 23N111W TO 20N114W TO 18N114W TO 15N109W TO 16N107W TO 20N106W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 27N116W TO 25N119W TO 19N118W TO 18N117W TO 23N112W TO 23N106W TO 27N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. 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. .TROPICAL DEPRESSION NINETEEN-E NEAR 14.3N 128.4W 1002 MB AT 1500 UTC SEP 30 MOVING E OR 080 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 15N127W TO 15N130W TO 13N131W TO 12N128W TO 14N127W TO 15N127W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M. .24 HOUR FORECAST TROPICAL DEPRESSION NINETEEN-E NEAR 14.9N 124.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 14N119W TO 15N120W TO 16N124W TO 13N127W TO 12N125W TO 12N119W TO 14N119W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M .36 HOUR FORECAST POST-TROPICAL REMNANT LOW NINETEEN-E NEAR 15.0N 122.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 25N135W TO 21N125W TO 10N122W TO 10N132W TO 25N135W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST...REMNANT LOW DISSIPATED. WITHIN 14N119W TO 15N120W TO 16N124W TO 13N127W TO 12N125W TO 12N119W TO 14N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .WITHIN 30N118W TO 30N133W TO 25N140W TO 18N140W TO 19N126W TO 30N118W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 30N118W TO 30N133W TO 25N140W TO 18N140W TO 19N126W TO 30N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .36 HOUR FORECAST WITHIN 01N108W TO 02N111W TO 01N117W TO 01S120W TO 03.4S120W TO 03.4S105W TO 01N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .48 HOUR FORECAST WITHIN 01N108W TO 02N111W TO 01N117W TO 01S120W TO 03.4S120W TO 03.4S105W TO 01N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 1500 UTC WED SEP 30... .HURRICANE RACHEL...NUMEROUS MODERATE TO SCATTERED STRONG OUT TO 360 NM IN THE SW SEMICIRCLE...AND 180 NM IN THE NE SEMICIRCLE. .T.D. NINETEEN-E...SCATTERED MODERATE FROM 13N TO 15N BETWEEN 128W AND 130W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N86W TO 07N90W TO 10N99W...FROM 15N115W TO 15N125W...AND FROM 13N132W TO 13N135W TO BEYOND 10N140W. SCATTERED MODERATE TO ISOLATED STRONG 03N TO 06N BETWEEN 85W AND 90W...FROM 05N TO 12N BETWEEN 95W AND 110W...AND FROM 06N TO 08N BETWEEN 130W AND 135W. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 1200 UTC SEP 30 2026. 24 HOUR FORECAST VALID 1200 UTC OCT 01 2026. 48 HOUR FORECAST VALID 1200 UTC OCT 02 2026. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM NOLO NEAR 22.0N 165.0W 991 MB AT 1500 UTC SEP 30 MOVING WSW OR 250 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...120 NM SE QUADRANT...210 NM SW QUADRANT...AND 240 NM NW QUADRANT WITH SEAS TO 8 M. SEAS 2.5 TO 3.5 M ELSEWHERE FROM 17N TO 27N BETWEEN 159W AND 180W. WINDS 20 TO 30 KT ELSEWHERE FROM 20N TO 26N BETWEEN 158W AND 169W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF CENTER. .24 HOUR FORECAST TROPICAL STORM NOLO NEAR 22.1N 165.7W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 4 M OR GREATER FROM 19N TO 25N BETWEEN 163W AND 169W WITH SEAS TO 7 M. SEAS 2.5 TO 3.5 M ELSEWHERE FROM 17N TO 30N BETWEEN 160W AND 177W. WINDS 20 TO 30 KT ELSEWHERE FROM 19N TO 27N BETWEEN 161W AND 171W. .48 HOUR FORECAST TROPICAL STORM NOLO NEAR 22.6N 167.1W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 21N TO 26N BETWEEN 163W AND 170W WITH SEAS TO 7 M. SEAS 2.5 TO 3.5 M ELSEWHERE FROM 17N TO 29N BETWEEN 161W AND 176W. WINDS 20 TO 30 KT ELSEWHERE FROM 19N TO 27N BETWEEN 162W AND 173W. 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. .FRONT 30N164W 28N167W THENCE TROUGH 27N170W 30N178W MOVING SE 15 KT. .24 HOUR FORECAST 30N153W 28N158W THENCE TROUGH 26N164W. .48 HOUR FORECAST FRONT 30N150W 29N152W THENCE TROUGH 29N162W 28N166W 26N167W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .MONSOON TROUGH 11N140W 10N151W 12N159W 11N170W 08N180W. SCATTERED MODERATE TSTMS S OF TROUGH W OF 160W. ISOLATED MODERATE TSTMS S OF TROUGH E OF 160W. $$ .FORECASTER TSAMOUS. HONOLULU HI.