FZPN02 KWBC 231725 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1745 UTC SUN AUG 23 2026 CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC AUG 23. 24 HOUR FORECAST VALID 1200 UTC AUG 24. 48 HOUR FORECAST VALID 1200 UTC AUG 25. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM LALA NEAR 32.1N 173.9W 988 MB AT 1500 UTC AUG 23 MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM N SEMICIRCLE...AND 130 NM SE AND 100 NM SW QUADRANTS. SEAS TO 4 M WITHIN 330 NM N SEMICIRCLE...AND 180 NM SE AND 270 NM SW QUADRANTS WITH SEAS TO 8 M. ELSEWHERE FROM 30N TO 38N W OF 169W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST TROPICAL STORM LALA NEAR 33.1N 174.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 125 NM NE...105 NM SE...80 NM SW...AND 110 NM NW QUADRANTS. SEAS 4 M OR GREATER WITHIN 240 NM N AND 180 NM S SEMICIRCLES WITH SEAS TO 7.5 M. ELSEWHERE FROM 30N TO 39N W OF 169W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST TROPICAL STORM LALA NEAR 34.3N 176.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE..70 NM SW...AND 100 NM SE AND NW QUADRANTS. SEAS 4 M OR GREATER WTHIN 150 NM OF CENTER... EXCEPT 180 NM NE QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE FROM 31N TO 41N W OF 170W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. ...GALE WARNING... .COMPLEX LOW W OF THE AREA WITH MAIN CENTER 60N176E 997 MB MOVING NE 15 KT. IN THE BERING SEA FROM 52N TO 62N W OF 174W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE N OF 46N W OF 171W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW JUST W OF THE AREA 65N174W 989 MB. IN THE BERING SEA N OF 53N W OF 161W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW WELL N OF THE AREA. FROM 53N TO 60N BETWEEN 159W AND 168W SW WINDS TO 25 KT. SEAS TO 2.5 M. .SYNOPSIS AND FORECAST. .LOW 56N147W 1003 MB MOVING SE 10 KT. FROM 54N TO 58N BETWEEN 141W AND 158W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 53N141W 1009 MB. N OF 52N E OF 133W...AND FROM 48N TO 55N BETWEEN 141W AND 148W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 50N136W 1014 MB. WINDS LESS THAN 25 KT. SEAS LESS THAN 2.5 M. .LOW 45N146W 1014 MB MOVING SE 15 KT WILL TURN E AFTER 24 HOURS. FROM 40N TO 47N BETWEEN 140W AND 151W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 44N140W 1014 MB. FROM 36N TO 46N BETWEEN 135W AND 148W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 44N136W 1012 MB. FROM 40N TO 45N BETWEEN 135W AND 141W WINDS TO 25 KT. SEAS TO 2.5 M. .FROM 34N TO 41N BETWEEN 121W AND 127W N TO NW WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST FROM 39N TO 46N E OF 128W N WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST FROM 32N TO 36N BETWEEN 118W AND 124W NW WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM IN THE BERING SEA N OF 52N W OF 174W. .24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM 59N163W TO 62N167W TO 56N180W TO 49N180W TO AND 59N163W...AND ALSO N OF 50N BETWEEN 129W AND 136W. .48 HOUR FORECAST DENSE FOG FROM 44 TO 50N BETWEEN 134W AND 138W...AND WITHIN 180 NM N OF A LINE FROM 48N180W TO 58N161W. .FORECASTER MILLS. 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 1200 UTC SUN AUG 23. 24 HOUR FORECAST VALID 1200 UTC MON AUG 24. 48 HOUR FORECAST VALID 1200 UTC TUE AUG 25. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM ISELLE NEAR 15.3N 114.2W 1003 MB AT 1500 UTC AUG 23 MOVING WNW OR 300 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E SEMICIRCLE...90 NM SW QUADRANT AND 0 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE WITH SEAS TO 4.5 M. WITHIN 180 NM E SEMICIRCLE...120 NM SW QUADRANT AND 60 NM NW QUADRANT OF CENTER WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE FROM 08N TO 13N BETWEEN 112W AND 116W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST TROPICAL STORM ISELLE NEAR 17.9N 117.2W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...130 NM SE QUADRANT...90 NM SW QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM E SEMICIRCLE...120 NM SW QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 6.0 M. ELSEWHERE WITHIN 210 NM E SEMICIRCLE AND 150 NM W SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 11N TO 15N BETWEEN 111W AND 117W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .36 HOUR FORECAST HURRICANE ISELLE NEAR 19.3N 118.7W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .48 HOUR FORECAST HURRICANE ISELLE NEAR 20.5N 120.3W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM E SEMICIRCLE...AND 120 NM W SEMICIRCLE OF CENTER WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 240 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 15N TO 16N BETWEEN 112W AND 124W 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. .N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .FROM 10N TO 11.5N E OF 90W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .06 HOUR FORECAST GULF OF CALIFORNIA N OF 29N S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 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 1500 UTC SUN AUG 23... .T.S. ISELLE...NUMEROUS MODERATE TO STRONG WITHIN 180 NM W SEMICIRCLE AND 90 NM E SEMICIRCLE. .INVEST EP91...SCATTERED MODERATE TO STRONG WITHIN 90 NM N SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 07N TO 15N BETWEEN 120W AND 130W. .TROPICAL WAVE ALONG 86W/87W...CLUSTER OF MODERATE TO ISOLATED STRONG FROM 10N TO 12N BETWEEN 80W AND 85W. .TROPICAL WAVE NEAR 100W...SCATTERED MODERATE TO ISOLATED STRONG FROM 10N TO 16N BETWEEN 96W AND 105W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 09N84W TO 07N100W TO 15N110W TO 10N123W TO BEYOND 06N140W. ASIDE FROM THE CONVECTION RELATED TO THE TROPICAL WAVES, INVEST AREA EP91 AND T.S. ISELLE DESCRIBED ABOVE, SCATTERED MODERATE TO ISOLATED STRONG CONVECTION CAN BE FOUND FROM 06N TO 13N BETWEEN 90W AND 97W...AND FROM 03N TO 10N W OF 130W. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 1200 UTC AUG 23 2026. 24 HOUR FORECAST VALID 1200 UTC AUG 24 2026. 48 HOUR FORECAST VALID 1200 UTC AUG 25 2026. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM LALA N OF AREA NEAR 32.1N 173.9W 988 MB AT 1500 UTC AUG 23 MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM N SEMICIRCLE...130 NM SE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 330 NM N SEMICIRCLE...180 NM SE QUADRANT AND 270 NM SW QUADRANT. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N168W 27N173W 30N178W. ISOLATED MODERATE TSTMS N OF 29N BETWEEN 171W AND 175W. .24 HOUR FORECAST TROPICAL STORM LALA N OF AREA NEAR 33.1N 174.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER MOVED N OF FORECAST AREA. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M N OF 28N BETWEEN 172W AND 178W. .48 HOUR FORECAST TROPICAL STORM LALA N OF AREA NEAR 34.3N 176.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER MOVED N OF FORECAST AREA. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ALSO MOVED N OF FORECAST AREA. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...TROPICAL STORM WARNING... .TROPICAL STORM MOKE NEAR 15.2N 155.0W 1002 MB AT 1500 UTC AUG 23 MOVING W OR 275 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 150 NM N SEMICIRCLE...0 NM SE QUADRANT AND 90 NM SW QUADRANT. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ELSEWHERE FROM 13N TO 21N BETWEEN 146W AND 159W. SCATTERED MODERATE TSTMS WITHIN 220 NM N SEMICIRCLE. .24 HOUR FORECAST TROPICAL STORM MOKE NEAR 15.6N 159.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 4 M OR GREATER DISSIPATED. WINDS 20 TO 30 KT ELSEWHERE AND SEAS 2.5 M TO 4 M FROM 13N TO 21N BETWEEN 152W AND 163W. .48 HOUR FORECAST TROPICAL STORM MOKE NEAR 16.7N 164.8W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. WINDS 20 TO 30 KT ELSEWHERE FROM 16N TO 21N BETWEEN 155N AND 166N. SEAS 4 M OR GREATER DISSIPATED. SEAS 2.5 M TO 4 M DISSIPATED. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. SEE THE LATEST BULLETINS ON LALA AND MOKE ISSUED BY NHC UNDER WMO HEADERS...WTP22 PHFO AND WTP23 PHFO. .SYNOPSIS AND FORECAST .TROUGH 29N148W 25N149W MOVING W SLOWLY. .24 HOUR FORECAST TROUGH 30N149W 26N152W. .48 HOUR FORECAST TROUGH 30N150W 25N154W. .LOW 1010 MB 04N170W MOVING SW 15 KT. .24 HOUR FORECAST LOW 1010 MB 05N175W. .48 HOUR FORECAST LOW 1010 MB 06N174W. .HIGH 06N180W 1011 MB MOVING SW SLOWLY. .24 HOUR FORECAST HIGH MOVED W OF AREA. .48 HOUR FORECAST HIGH MOVED W OF AREA. .WINDS 20 KT OR LESS OVER THE REMAINDER OF FORECAST AREA. .SEAS 2.5 M OR LESS OVER THE REMAINDER OF FORECAST AREA. .MONSOON TROUGH 06N140W 11N151W...AND 11N153W 08N163W 04N171W... AND 17N178W 16N180W. SCATTERED MODERATE TSTMS S OF TROUGH TO EQUATOR W OF 163W. SCATTERED MODERATE TSTMS S OF 09N W OF 170W. ISOLATED MODERATE TSTMS W OF 171W BETWEEN 16N AND 22N. $$ .FORECASTER VAUGHAN. HONOLULU HI.