High Seas Forecast
Issued by NWS
Issued by NWS
451 FZPN02 KWBC 141725 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1745 UTC FRI AUG 14 2026 CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 14. 24 HOUR FORECAST VALID 1200 UTC AUG 15. 48 HOUR FORECAST VALID 1200 UTC AUG 16. .WARNINGS. ...GALE WARNING... .COMPLEX LOW WITH MAIN CENTER JUST W OF AREA NEAR 39N178E 993 MB MOVING NE 40 KT. FROM A LINE FROM 31N180W TO 40N170W TO A LINE FROM 44N170W TO 41N180W W OF 170W WINDS 25 TO 40 KT. SEAS 3 TO 4.5 M. .24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 49N167W 991 MB AND SECOND CENTER 40N179W 1000 MB. WITHIN 360 NM SE AND 240 NM NE QUADRANTS OF FIRST CENTER WINDS 30 TO 40 KT. SEAS 2.5 TO 4.5 M...HIGHEST S OF CENTER. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 30N180W TO 38N466W TO 50N157W TO 54N166W TO 43N180W TO 30N180W WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M...HIGHEST NEAR 46N167W. .48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 56N163W 993 MB AND SECOND CENTER NEAR 39N174W 1008 MB. WITHIN 180 NM SE OF A LINE FROM 34N176W TO 42N171W TO 50N160W...AND WITHIN 120 NM E AND NE OF A LINE FROM 51N149W TO 57N150W TO 59N154W WINDS 20 TO 30 KT. SEAS 3.5 TO 5 M. ELSEWHERE FROM 32N TO 60N BETWEEN A LINE FROM 32N173W TO 52N148W TO 60N152W AND 180W WINDS TO 25 KT. SEAS TO 4 M...HIGHEST S OF ALEUTAIN ISLANDS. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NE OF A LINE FROM 45N143W TO 55N153W TO 56N158W...FROM 40N TO 44N W OF 171W...FROM 53N TO 56N BETWEEN 179E AND 174E...AND FROM 58N TO 61N BETWEEN 168W AND 174W. .24 HOUR FORECAST DENSE FOG N OF 58N BETWEEN 165W AND 174W...AND FROM 45N TO 51N BETWEEN 161W AND 169W. .48 HOUR FORECAST DENSE FOG N OF 57N BETWEEN 166W AND 177W...AND FROM 47N TO 54N BETWEEN 148W AND 162W. .FORECASTER POCHE. 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 FRI AUG 14. 24 HOUR FORECAST VALID 1200 UTC SAT AUG 15. 48 HOUR FORECAST VALID 1200 UTC SUN AUG 16. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM HERNAN NEAR 15.4N 132.1W 1004 MB AT 1500 UTC AUG 14 MOVING S OR 190 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N SEMICIRCLE...0 NM SE QUADRANT AND 30 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 75 NM W SEMICIRCLE...60 NM NE QUADRANT AND 0 NM SE QUADRANT WITH SEAS TO 4 M. ELSEWHERE WITHIN 18N132W TO 18N133W TO 17N134W TO 16N133W TO 15N132W TO 16N131W TO 18N132W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. REMAINDER OF WATERS WITHIN 20N127W TO 23N131W TO 26N140W TO 16N140W TO 13N133W TO 20N127W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .12 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 15.4N 133.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .24 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 15.1N 134.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 16N133W TO 18N135W TO 17N136W TO 16N136W TO 15N135W TO 15N134W TO 16N133W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. WITHIN 23N131W TO 24N140W TO 14N140W TO 14N136W TO 17N136W TO 18N132W TO 23N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO NE SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 14.9N 138.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 19N138W TO 20N140W TO 14N140W TO 16N138W TO 19N138W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. 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. .WITHIN 15N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 14N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 13N96W TO 13N94W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST LITTLE CHANGE. .WITHIN 11N86W TO 12N86W TO 11N88W TO 10N90W TO 09N90W TO 09N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST WITHIN 12N86W TO 12N88W TO 11N91W TO 10N90W TO 10N88W TO 10N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .WITHIN 04N94W TO 04N105W TO 00N111W TO 03S113W TO 03.4S97W TO 04N94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SW SWELL. .24 HOUR FORECAST WITHIN 00N107W TO 01S117W TO 03.4S120W TO 03S106W TO 00N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .48 HOUR FORECAST WITHIN 02S101W TO 01N115W TO 00N121W TO 03.4S120W TO 03S97W TO 02S101W 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 FRI AUG 14... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM COASTAL COSTA RICA AT 09N83W TO 08N104W. THE ITCZ BEGINS THERE AND EXTENDS TO 12N128W. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS NOTED NORTH OF 04N EAST OF 83W, FROM 04N-12N BETWEEN 91W-107W, FROM 03N-15N BETWEEN 113W-129W, AND FROM 17N-21N BETWEEN 125W-129W. .FORECASTER LANDSEA. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 1200 UTC AUG 14 2026. 24 HOUR FORECAST VALID 1200 UTC AUG 15 2026. 48 HOUR FORECAST VALID 1200 UTC AUG 16 2026. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM LALA NEAR 16.7N 149.5W 997 MB AT 1500 UTC AUG 14 MOVING WNW OR 290 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...180 NM NE QUADRANT AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...150 NM SE QUADRANT...180 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS TO 6 M. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ELSEWHERE FROM 12N TO 24N E OF 162W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 150 NM N OF CENTER. .24 HOUR FORECAST HURRICANE LALA NEAR 18.0N 153.3W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...70 NM SE QUADRANT...40 NM SW QUADRANT...AND 130 NM NW QUADRANT. SEAS 4 TO 7 M FROM 16N TO 23N BETWEEN 149W AND 156W. WINDS 20 TO 30 KT ELSEWHERE FROM 15N TO 25N BETWEEN 148W AND 162W. SEAS 2.5 TO 4 M ELSEWHERE FROM 11N TO 26N BETWEEN 141W AND 162W. .48 HOUR FORECAST TROPICAL STORM LALA NEAR 19.6N 158.0W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...80 NM SE QUADRANT...50 NM SW QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 TO 7 M FROM 16N TO 23N BETWEEN 153W AND 162W. WINDS 20 TO 30 KT ELSEWHERE FROM 16N TO 25N BETWEEN 150W AND 164W...AND SEAS 2.5 TO 4 M ELSEWHERE FROM 12N TO 27N BETWEEN 166W AND 148W. 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 BULLETIN ISSUED BY NHC UNDER WMO HEADER WTPA22 PHFO. .SYNOPSIS AND FORECAST .WINDS 20 KT OR LESS OVER THE REMAINDER OF FORECAST AREA. .48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 14N TO 22N E OF 144W. .SEAS 2.5 M OR LOWER OVER THE REMAINDER OF FORECAST AREA. .MONSOON TROUGH 13N147W 10N150W 08N155W 07N161W 08N169W 09N174W 10N180W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM OF TROUGH E OF 175W. .SCATTERED MODERATE TO STRONG TSTMS ALONG A LINE 00N154W 10N145W 14N143W. $$ .FORECASTER KINO. HONOLULU HI.