High Seas Forecast
Issued by NWS
Issued by NWS
463 FZPN02 KWBC 050525 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 0545 UTC SAT SEP 05 2026 CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). 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 0000 UTC SEP 05. 24 HOUR FORECAST VALID 0000 UTC SEP 06. 48 HOUR FORECAST VALID 0000 UTC SEP 07. .WARNINGS. ...STORM WARNING... .LOW W OF AREA 45N177E 996 MB MOVING NE 30 KT. WITHIN AN AREA BOUNDED BY A LINE FROM 41N180W TO 45N177W TO 46N180W TO 41N180W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 39N TO 47N W OF 175W WINDS TO 25 KT. SEAS TO 3 M. .12 HOUR FORECAST LOW 47N180W 994 MB. FROM 45N TO 49N BETWEEN 171W AND 178W WINDS 40 TO 55 KT. SEAS 3.5 TO 7 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N168W 996 MB. WITHIN 300 NM SE...240 NM S AND 300 NM SW AND W QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M...HIGHEST NEAR 48N170W. ELSEWHERE WITHIN 240 NM NE AND 420 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW 56N155W 1003 MB. WITHIN 300 NM NE...420 NM SE AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN MIXED SWELL. ...GALE WARNING... .36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 47N178W 1000 MB. WITHIN AN AREA BOUNDED BY A LINE FROM 48N180W TO 44N170W TO 41N180W TO 48N180W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N179W 993 MB. FROM 47N TO 52N W OF 170W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 49N178W. ELSEWHERE FROM 45N TO 52N W OF 165W WINDS TO 25 KT. SEAS TO 3.5 M. .SYNOPSIS AND FORECAST. .COMPLEX LOW WITH MAIN LOW JUST W OF THE AREA 58N175E 993 MB NEARLY STATIONARY. IN THE BERING SEA N OF 52N W OF 165W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER JUST W OF THE AREA 59N177E 997 MB. IN THE BERING SEA FROM 52N TO 64N W OF 170W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST COMPLEX LOW 59N178E 1001 MB. IN THE BERING SEA N OF 52N W OF 166W WINDS LESS THAN 25 KT. SEAS TO 2.5 M. .COMPLEX LOW WITH MAIN LOW 42N165W 1020 MB MOVING NE 25 KT. WITHIN 180 NM NE AND E OF A FRONT FROM 56N159W TO 52N158W WINDS TO 25 KT. SEAS 2.5 TO 4 M IN MIXED SWELL...HIGHEST NEAR 54N158W. ELSEWHERE WITHIN 120 NM EITHER SIDE OF A FRONT FROM 50N158W TO THE LOW TO 35N173W WINDS LESS THAN 25 KT. SEAS TO 3 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 51N159W 1010 MB. WITHIN 120 NM NE AND E OF A LINE FROM 52N159W TO 47N158W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST CONDITIONS WITH LOW 56N155W DESCRIBED IN WARNINGS SECTION ABOVE. .LOW 44N125W 1014 MB NEARLY STATIONARY. WITHIN 360 NM SW...480 NM W AND 540 NM NW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW DISSIPATED. FROM 30N TO 55N E OF 150W WINDS TO 25 KT. SEAS TO 3 M...HIGHEST S OF 39N. .48 HOUR FORECAST FROM 30N TO 56N E OF 137W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 3 M...HIGHEST S OF 33N E OF 130W. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 52N W OF 167W. .24 HOUR FORECAST DENSE FOG WITHIN 90 NM NE AND E OF A FRONT FROM 59N161W TO 51N158W TO 44N163W. .48 HOUR FORECAST DENSE FOG WITHIN 120 NM N OF A LINE FROM 57N153W TO 57N146W AND FROM 45N TO 50N W OF 167W. .FORECASTER FUTTERMAN. 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 0000 UTC SAT SEP 5. 24 HOUR FORECAST VALID 0000 UTC SUN SEP 6. 48 HOUR FORECAST VALID 0000 UTC MON SEP 7. .WARNINGS. ...HURRICANE WARNING... .HURRICANE MARIE NEAR 20.8N 119.0W 967 MB AT 0300 UTC SEP 05 MOVING NW OR 305 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM NE QUADRANT...160 NM SE QUADRANT...140 NM SW QUADRANT...AND 180 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 330 NM N SEMICIRCLE AND 270 NM S SEMICIRCLE WITH SEAS TO 11.0 M. ELSEWHERE WITHIN 22N114W TO 25N119W TO 26N122W TO 23N125W TO 17N121W TO 19N115W TO 22N114W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 22N109W TO 30N117W TO 30N125W TO 21N130W TO 10N120W TO 11N115W TO 22N109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE MARIE NEAR 22.4N 121.0W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM N SEMICIRCLE...140 NM SE QUADRANT AND 130 NM SW QUADRANT. SEAS 4 M OR GREATER 300 NM NW AND 210 NM SE SEMICIRCLES WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 23N117W TO 27N122W TO 24N126W TO 20N125W TO 19N120W TO 20N117W TO 23N117W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA OVER FORECAST WATERS WITHIN 30N116W TO 27N140W TO 19N140W TO 11N120W TO 19N112W TO 30N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM MARIE NEAR 23.9N 122.8W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM N SEMICIRCLE...110 NM SE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NW AND 210 NM SE SEMICIRCLES WITH SEAS TO 7.5 M. ELSEWHERE WITHIN 30N124W TO 28N128W TO 22N129W TO 20N125W TO 20N122W TO 23N119W TO 30N124W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA OVER FORECAST WATERS WITHIN 25N114W TO 25N125W TO 30N135W TO 21N140W TO 16N135W TO 14N121W TO 25N114W 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. .HURRICANE KARINA WELL W OF AREA. WITHIN 24N139W TO 25N140W TO 20N140W TO 21N139W TO 24N139W WINDS 20 TO 30 KT. SEAS 3.0 TO 5.0 M. ELSEWHERE WITHIN 26N136W TO 28N140W TO 15N140W TO 16N138W TO 22N135W TO 26N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST WITHIN 26N139W TO 27N140W TO 17N140W TO 19N139W TO 22N139W TO 26N139W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .48 HOUR FORECAST WITHIN 26N137W TO 28N138W TO 28N140W TO 21N140W TO 22N138W TO 23N137W TO 26N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .WITHIN 04N92W TO 08N96W TO 07N104W TO 03N111W TO 03.4S114W TO 03.4S99W TO 04N92W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. 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 0300 UTC SAT SEP 5... .HURRICANE MARIE...NUMEROUS MODERATE ISOLATED STRONG FROM 18N TO 24N BETWEEN 115W AND 121W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N85W TO 11N111W. SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 14N E OF 115W...FROM 08N TO 15N W OF 115W. .FORECASTER DELGADO. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 0000 UTC SEP 05 2026. 24 HOUR FORECAST VALID 0000 UTC SEP 06 2026. 48 HOUR FORECAST VALID 0000 UTC SEP 07 2026. .WARNINGS. ...HURRICANE WARNING... .HURRICANE LOWELL NEAR 13.3N 161.4W 922 MB AT 0300 UTC SEP 05 MOVING W OR 275 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 140 KT GUSTS 170 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE QUADRANT...110 NM SE QUADRANT...100 NM SW QUADRANT...AND 140 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...180 NM SE QUADRANT...210 NM SW QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 10 M. WINDS 20 TO 30 KT ELSEWHERE FROM 10N TO 18N BETWEEN 157W AND 164W. SEAS 2.5 TO 4 M ELSEWHERE FROM 06N TO 24N BETWEEN 151W AND 169W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 150 NM OF CENTER. .24 HOUR FORECAST HURRICANE LOWELL NEAR 13.8N 163.2W. MAXIMUM SUSTAINED WINDS 140 KT GUSTS 170 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM N SEMICIRCLE...110 NM SE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 TO 10 M WITHIN 240 NM OF CENTER. WINDS 20 TO 30 KT ELSEWHERE FROM 10N TO 21N BETWEEN 160W AND 168W. SEAS 2.5 TO 4 M ELSEWHERE FROM 04N TO 24N BETWEEN 156W AND 175W. .48 HOUR FORECAST HURRICANE LOWELL NEAR 15.6N 164.1W. MAXIMUM SUSTAINED WINDS 135 KT GUSTS 165 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NW AND SE QUADRANTS...140 NM NE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 TO 10 M WITHIN 240 NM OF CENTER. WINDS 20 TO 30 KT ELSEWHERE FROM 08N TO 22N BETWEEN 160W AND 169W...AND FROM 05N TO 10N BETWEEN 160W AND 164W. SEAS 2.5 TO 4 M ELSEWHERE N OF 04N W OF 150W. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...HURRICANE WARNING... .HURRICANE KARINA NEAR 20.7N 141.9W 982 MB AT 0300 UTC SEP 05 MOVING W OR 280 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM N SEMICIRCLE...90 NM SE QUADRANT AND 80 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM NE AND SW QUADRANTS...300 NM NW QUADRANT AND 150 NM SE QUADRANT WITH SEAS TO 8 M. WINDS 20 TO 30 KT ELSEWHERE FROM 18N TO 26N E OF 148W. SEAS 2.5 TO 4 M ELSEWHERE FROM 14N TO 28N E OF 153W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF CENTER. .24 HOUR FORECAST TROPICAL STORM KARINA NEAR 21.9N 143.9W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 TO 7 M WITHIN 180 NM OF CENTER. WINDS 20 TO 30 KT ELSEWHERE FROM 19N TO 27N BETWEEN 140W AND 148W. SEAS 2.5 TO 4 M ELSEWHERE FROM 15N TO 28N E OF 156W. .48 HOUR FORECAST TROPICAL STORM KARINA NEAR 23.2N 146.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 TO 7 M WITHIN 180 NM OF CENTER. WINDS 20 TO 30 KT ELSEWHERE FROM 21N TO 29N BETWEEN 141W AND 151W. SEAS 2.5 TO 4 M N OF 18N E OF 150W. 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 .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA. .MONSOON TROUGH 10N140W 14N150W 15N154W...AND 10N166W 09N170W 10N180W. ISOLATED MODERATE TSTMS S OF MONSOON TROUGH W OF 165W...AND WITHIN 450 NM SW OF MONSOON TROUGH E OF 156W. $$ .FORECASTER TSAMOUS. HONOLULU HI.