High Seas Forecast
Issued by NWS
Issued by NWS
485 FZPN02 KWBC 302325 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 2345 UTC WED SEP 30 2026 CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SEP 30. 24 HOUR FORECAST VALID 1800 UTC OCT 01. 48 HOUR FORECAST VALID 1800 UTC OCT 02. .WARNINGS. ...GALE WARNING... .COMPLEX LOW WITH FIRST CENTER 62N172E 989 MB MOVING SE 15 KT AND SECOND CENTER 50N177W 995 MB MOVING NE 10 KT. FROM 38N TO 61N W OF 167W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 51N179W 993 MB AND SECOND CENTER 52N171W 988 MB. FROM 36N TO 59N W OF 154W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 53N160W 994 MB. FROM 35N TO 59N W OF 145W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. .SYNOPSIS AND FORECAST. .LOW 60N149W 1003 MB MOVING NE 05 KT. N OF 53N E OF 160W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW MOVED INLAND AND ASSOCIATED CONDITIONS DIMINISHED. .S OF 43N BETWEEN 121W AND 130W N TO NW WINDS 20 TO 30 KT. SEAS TO 4 M. .24 HOUR FORECAST S OF 43N BETWEEN 123W AND 132W N TO NW WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST FROM 35N TO 45N BETWEEN 125W AND 131W N WINDS 20 TO 30 KT. SEAS TO 3 M. .COMPLEX LOW WITH FIRST CENTER 36N156W 1010 MB MOVING NE 10 KT AND SECOND CENTER 44N146W 1010 MB MOVING NE 20 KT. WITHIN THE AREA BOUNDED BY A LINE FROM 30N150W TO 47N132W TO 48N148W TO 32N180W TO 30N180W TO 30N150W WINDS 20 TO 30 KT. SEAS TO 3.5 M. .24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 37N149W 1011 MB AND SECOND CENTER 48N134W 1010 MB. S OF A LINE FROM 50N134W TO 49N141W TO 30N177W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 41N146W 1015 MB AND SECOND CENTER 49N127W 1017 MB. CONDITIONS DIMINISHED. .N OF 63N 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 CONDITIONS DESCRIBED ABOVE. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 53N W OF 173W. .24 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 46N167W AND 52N180W. .48 HOUR FORECAST DENSE FOG FROM 51N TO 54N BETWEEN 153W 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 1800 UTC WED SEP 30. 24 HOUR FORECAST VALID 1800 UTC THU OCT 1. 48 HOUR FORECAST VALID 1800 UTC FRI OCT 2. .WARNINGS. ...HURRICANE WARNING... .HURRICANE RACHEL NEAR 18.8N 108.0W 978 MB AT 2100 UTC SEP 30 MOVING NW OR 315 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 110 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE QUADRANT...330 NM SE QUADRANT...120 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 11 M. ELSEWHERE WITHIN 17N103W TO 21N106W TO 20N111W TO 17N111W TO 13N107W TO 16N103W TO 17N103W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 13N99W TO 18N102W TO 13N105W TO 13N110W TO 09N114W TO 08N104W TO 13N99W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE RACHEL NEAR 19.6N 109.2W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. LITTLE CHANGE IN TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER. ELSEWHERE WITHIN 22N106W TO 22N110W TO 20N112W TO 16N111W TO 15N107W TO 18N105W TO 22N106W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 25N108W TO 26N119W TO 19N120W TO 14N113W TO 21N113W TO 21N106W TO 25N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE RACHEL NEAR 20.0N 110.8W. 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 390 NM SE AND 210 NM NW SEMICIRCLE WITH SEAS TO 11 M. ELSWHERE WITHIN 20N105W TO 23N108W TO 22N113W TO 17N114W TO 15N111W TO 16N108W TO 20N105W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 27N114W TO 26N120W TO 21N120W TO 15N116W TO 22N113W TO 22N106W TO 27N114W 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 14.9N 127.0W 1005 MB AT 2100 UTC SEP 30 MOVING E OR 080 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 14N123W TO 15N127W TO 15N131W TO 10N130W TO 09N126W TO 12N123W TO 14N123W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW NINETEEN-E NEAR 15.3N 123.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 16N121W TO 16N123W TO 14N126W TO 13N125W TO 11N121W TO 13N120W TO 16N121W WINDS 20 KT OR LESS.SEAS 2.5 TO 3.5 M IN SE TO S SWELL. .36 HOUR FORECAST POST-TROPICAL REMNANT LOW NINETEEN-E NEAR 15.3N 120.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .48 HOUR FORECAST...REMNANT LOW NINETEEN-E DISSIPATED. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .WITHIN 26N125W TO 30N119W TO 30N133W TO 24N140W TO 17N136W TO 19N125W TO 26N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N AND NE SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 01S112W TO 00N115W TO 00N120W TO 03.4S120W TO 03.4S109W TO 01S112W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .48 HOUR FORECAST WITHIN 01S105W TO 02N113W TO 00N120W TO 03.4S120W TO 03.4S104W TO 01S105W 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 2100 UTC WED SEP 30... .HURRICANE RACHEL...NUMEROUS MODERATE TO SCATTERED STRONG WITHIN 360 NM IN THE SW SEMICIRCLE...AND 150 NM IN THE NE SEMICIRCLE. .T.D. NINETEEN-E...SCATTERED MODERATE WITHIN 60 NM TO THE NE OF THE CENTER. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N86W TO 07N90W TO 10N99W...FROM 15N115W TO 15N125W...AND FROM 12N131W TO 13N137W TO BEYOND 11N140W. SCATTERED MODERATE TO ISOLATED STRONG FROM 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 1800 UTC SEP 30 2026. 24 HOUR FORECAST VALID 1800 UTC OCT 01 2026. 48 HOUR FORECAST VALID 1800 UTC OCT 02 2026. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM NOLO NEAR 21.6N 164.7W 996 MB AT 2100 UTC SEP 30 MOVING S OR 170 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW QUADRANT. WINDS 20 TO 34 KT ELSEWHERE FROM 26N TO 18N BETWEEN 170W AND 160W. 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 6 M. SEAS 2.5 TO 4 M ELSEWHERE FROM 27N TO 17N W OF 158W. ISOLATED MODERATE TSTMS FROM 27N TO 23N BETWEEN 167W AND 160W. .24 HOUR FORECAST TROPICAL STORM NOLO NEAR 21.9N 165.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...50 NM SW QUADRANT...AND 70 NM NW QUADRANT. WINDS 20 TO 34 KT ELSEWHERE FROM 26N TO 18N BETWEEN 172W AND 161W. SEAS 4 M OR GREATER FROM 25N TO 19N BETWEEN 168W AND 163W WITH SEAS TO 5.5 M. SEAS 2.5 TO 4 M ELSEWHERE FROM 27N TO 16N BETWEEN 175W AND 159W. .48 HOUR FORECAST TROPICAL STORM NOLO NEAR 22.6N 167.1W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 50 NM SW QUADRANT. WINDS 20 TO 34 KT ELSEWHERE FROM 26N TO 18N BETWEEN 174W AND 163W. SEAS 4 M OR GREATER FROM 26N TO 22N BETWEEN 169W AND 164W WITH SEAS TO 6.5 M. SEAS 2.5 TO 4 M ELSEWHERE N OF 18N BETWEEN 176W AND 162W. 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 30N161W 28N162W 26N168W 26N174W 30N178W MOVING ESE 15 KT E OF 163W AND NEARLY STATIONARY W OF 163W. SEAS 2.5 TO 3 M N OF 27N BETWEEN 176W AND 164W. .24 HOUR FORECAST FRONT 30N153W 28N158W THENCE TROUGH 28N163W. SEAS 2.5 TO 3 M N OF 27N BETWEEN 172W AND 159W. .48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N163W 28N166W. SEAS LOWERED TO 2.5 M OR LOWER. .48 HOUR FORECAST NEW TROUGH 18N146W 14N144W. .WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .MONSOON TROUGH 10N140W 07N150W 12N158W 12N166W 10N176W. ISOLATED MODERATE TSTMS WITHIN 180 NM OF MONSOON TROUGH W OF 156W. .SCATTERED MODERATE TO LOCALLY STRONG TSTMS S OF 08N W OF 161W. ISOLATED MODERATE TSTMS FROM 05N TO 01N BETWEEN 158W AND 146W. $$ .FORECASTER TROTTER. HONOLULU HI.