FZPN02 KWBC 272325 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 2345 UTC THU AUG 27 2026 CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC AUG 27. 24 HOUR FORECAST VALID 1800 UTC AUG 28. 48 HOUR FORECAST VALID 1800 UTC AUG 29. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM LALA NEAR 37.5N 178.9W 1000 MB AT 2100 UTC AUG 27 MOVING NNW OR 335 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 140 NM NE QUADRANT...130 NM SE QUADRANT...0 NM SW QUADRANT...AND 100 NM NW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE FROM 33N TO 43N W OF 171W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. .12 HOUR FORECAST POST-TROPICAL LALA NEAR 37.9N 179.4W 1009 MB. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW LALA NEAR 38.3N 179.3E 1008 MB. WITHIN 300 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS 3.5 M. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW LALA W OF AREA NEAR 40.6N 175.4E 1010 MB. CONDITIONS MOVED W OF AREA. ...GALE WARNING... .COMPLEX LOW WIH FIRST LOW 58N174E 992 MB MOVING NE 20 KT AND SECOND LOW 61N176W 990 MB MOVING NE 20 KT. W AND NW OF A LINE FROM 48N179W TO 53N170W TO 60N162W TO 62N164W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 65N162W 985 MB. WITHIN 360 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE N TO NW OF A LINE FROM 49N168W TO 53N150W TO 54N147W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST COMPLEX LOW MOVED INLAND. N OF 58N W OF 169W AREA OF SW WINDS TO 25 KT. SEAS TO 2.5 M. ...GALE WARNING... .48 HOUR FORECAST NEW LOW 59N144W 1003 MB. BETWEEN 120 NM AND 300 NM W QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M. WITHIN 600 NM S AND SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .LOW 57N137W 1013 MB MOVING SE 10 KT. WINDS LESS THAN 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LOW 53N132W 1015 MB. WITHIN 240 NM SW QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED. .24 HOUR FORECAST FROM 32N TO 40N BETWEEN 118W AND 125W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST FROM 32N TO 40N BETWEEN 120W AND 126W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM S OF 62N AND W AND NW OF A LINE FROM 43N179W TO 60N163W. .24 HOUR FORECAST DENSE FOG FROM 42N TO 51N W OF 170W. .48 HOUR FORECAST DENSE FOG FROM 44N TO 51N W OF 175W...AND FROM 46N TO 51N BETWEEN 158W AND 168W. .FORECASTER ROWLAND. 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 1800 UTC THU AUG 27. 24 HOUR FORECAST VALID 1800 UTC FRI AUG 28. 48 HOUR FORECAST VALID 1800 UTC SAT AUG 29. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM KARINA NEAR 11.1N 111.9W 1001 MB AT 2100 UTC AUG 27 MOVING WNW OR 295 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...180 NM NE QUADRANT AND 130 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...180 NM SE QUADRANT...240 NM SW QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 16N110W TO 13N114W TO 11N112W TO 06N115W TO 06N111W TO 09N107W TO 16N110W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 10N106W TO 16N109W TO 16N114W TO 01S119W TO 03.4S115W TO 03.4S106W TO 10N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM KARINA NEAR 13.5N 114.8W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 230 NM NE QUADRANT...70 NM SE QUADRANT...30 NM SW QUADRANT...AND 160 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM OF CENTER...EXCEPT 150 NM SW QUADRANT. WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 17N110W TO 20N116W TO 16N119W TO 06N119W TO 07N112W TO 10N110W TO 17N110W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 15N107W TO 20N113W TO 17N120W TO 08N121W TO 04N116W TO 09N107W TO 15N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .36 HOUR FORECAST HURRICANE KARINA NEAR 14.9N 116.4W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. .48 HOUR FORECAST HURRICANE KARINA NEAR 16.2N 118.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 210 NM NE QUADRANT...90 NM SE QUADRANT...50 NM SW QUADRANT...AND 150 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM OF CENTER...EXCEPT 180 NM SW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE WITHIN 20N113W TO 22N116W TO 20N123W TO 12N123W TO 09N116W TO 14N112W TO 20N113W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 17N110W TO 22N114W TO 21N124W TO 16N125W TO 09N122W TO 08N116W TO 17N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. ...TROPICAL STORM WARNING... .TROPICAL STORM LOWELL NEAR 11.3N 133.8W 1006 MB AT 2100 UTC AUG 27 MOVING ENE OR 065 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 50 NM SE QUADRANT. ELSEWHERE WITHIN 10N133W TO 11N135W TO 10N135W TO 09N135W TO 08N134W TO 09N133W TO 10N133W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.5 M . REMAINDER OF AREA WITHIN 11N132W TO 12N133W TO 09N137W TO 07N138W TO 07N136W TO 09N133W TO 11N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 12.1N 133.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...40 NM NE QUADRANT AND 50 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM SE SEMICIRCLE...AND 75 NM NW SEMICIRCLE WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 13N131W TO 13N134W TO 11N134W TO 09N132W TO 09N130W TO 10N130W TO 13N131W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 11N129W TO 14N132W TO 14N135W TO 12N136W TO 08N132W TO 09N129W TO 11N129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM LOWELL NEAR 12.9N 134.8W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 30 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM SE SEMICIRCLE AND 90 NM NW SEMICIRCLE WITH SEAS TO 6.0 M. ELSEWHERE WITHIN 13N133W TO 14N134W TO 14N136W TO 13N136W TO 11N135W TO 12N134W TO 13N133W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 16N134W TO 15N138W TO 13N139W TO 11N137W TO 10N135W TO 12N133W TO 16N134W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 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. .LOW PRES...REMNANTS OF ISELLE...NEAR 23.5N127W 1007 MB. WITHIN 27N128W TO 28N129W TO 26N131W TO 24N131W TO 24N130W TO 24N126W TO 27N128W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 25N125W TO 28N127W TO 29N129W TO 25N133W TO 20N132W TO 20N130W TO 25N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST LOW PRES...REMNANTS OF ISELLE...NEAR 24.5N131.5W 1010 MB. WITHIN 28N131W TO 28N132W TO 27N133W TO 26N132W TO 27N131W TO 28N131W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 29N129W TO 29N131W TO 28N134W TO 25N135W TO 24N133W TO 26N130W TO 29N129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST TROUGH...REMNANTS OF ISELLE...ALONG 135W N OF 23N. WITHIN 28N133W TO 29N134W TO 30N137W TO 29N140W TO 25N140W TO 25N135W TO 28N133W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N96W TO 15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .WITHIN 11N86W TO 12N86W TO 10N90W TO 09N90W TO 10N87W TO 11N86W ...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST WITHIN 12N86W TO 11N91W TO 11N92W TO 09N91W TO 10N89W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 1900 UTC THU AUG 27... .TROPICAL STORM KARINA...NUMEROUS MODERATE TO STRONG WITHIN 900 NM SE SEMICIRCLE...AND 240 NM NW SEMICIRCLE. .TROPICAL STORM LOWELL...NUMEROUS MODERATE TO STRONG WITHIN 330 NM SE SEMICIRCLE...AND 105 NM NW SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N85W TO 08N93W TO 10.5N111.5W TO 14N131W TO TROPICAL STORM LOWELL NEAR 11.5N134W TO BEYOND 09N140W. SCATTERED TO NUMEROUS MODERATE ISOLATED STRONG FROM 02N TO 15N BETWEEN 78W AND 101W. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 1800 UTC AUG 27 2026. 24 HOUR FORECAST VALID 1800 UTC AUG 28 2026. 48 HOUR FORECAST VALID 1800 UTC AUG 29 2026. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST .LOW 11N145W 1010 MB MOVING W 10 KT. SCATTERED STRONG TSTMS FROM 03N TO 15N E OF 153W. .24 HOUR FORECAST LOW 10N150W 1010 MB. .48 HOUR FORECAST LOW 11N150W 1008 MB. WINDS 20 TO 30 KT FROM 07N TO 11N E OF 152W. .LOW 07N160W 1010 MB NEARLY STATIONARY. SCATTERED STRONG TSTMS S OF 10 N BETWEEN 157W AND 171W. .24 HOUR FORECAST LOW 08N160W 1010 MB. .48 HOUR FORECAST LOW 11N158W 1011 MB. .LOW 06N176W 1010 MB MOVING W 10 KT. ISOLATED MODERATE TSTMS BETWEEN 05N AND 09N W OF 175W. .24 HOUR FORECAST LOW 07N179W 1010 MB. .48 HOUR FORECAST LOW WEAKENED TO TROUGH AND MOVED W OF AREA. .LOW 14N178W 1010 MB MOVING WNW 10 KT. .24 HOUR FORECAST LOW MOVED W OF AREA. .TROUGH 30N151W 28N153W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 30N155W 28N157W. .48 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 30N159W 24N159W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 29N161W 23N164W. .48 HOUR FORECAST TROUGH 29N168W 24N169W. .24 HOUR FORECAST WINDS 20 TO 30 KT FROM 03N TO 09N BETWEEN 147W AND 166W. .48 HOUR FORECAST WINDS 20 TO 30 KT FROM 06N TO 10N E OF 156W... AND FROM 15N TO 24N BETWEEN 153W AND 163W...AND N OF 24N E OF 150W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 M OR LESS OVER ENTIRE FORECAST AREA. .MONSOON TROUGH 09N140W TO FIRST LOW DESCRIBED ABOVE TO SECOND LOW DESCRIBED ABOVE TO THIRD LOW DESCRIBED ABOVE TO 05N180W. .ISOLATED MODERATE TSTMS WITHIN 100 NM OF A LINE FROM 20N175W 10N163W. $$ .FORECASTER VAUGHAN. HONOLULU HI.=