High Seas Forecast
Issued by NWS
Issued by NWS
070 FZPN02 KWBC 211725 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1745 UTC TUE JUL 21 2026 CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 JUL 21. 24 HOUR FORECAST VALID 1200 UTC JUL 22. 48 HOUR FORECAST VALID 1200 UTC JUL 23. .WARNINGS. ...GALE WARNING... .LOW 58N167W 997 MB MOVING NE 15 KT. WITHIN 120 NM NW...240 NM NE AND 540 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN 240 NM NW...660 NM SE AND 540 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS DIMINISHED. ...GALE WARNING... .FROM 40N TO 55N BETWEEN 130W AND 141W WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST FROM 40N TO 58N BETWEEN 127W AND 140W WINDS 20 TO 30 KT. SEAS TO 3 M. .36 HOUR FORECAST FROM 50N TO 56N BETWEEN 130W AND 137W WINDS 25 TO 40 KT. SEAS TO 3.5 M. .48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 42N130W DESCRIBED IN SYNOPSIS AND FORECAST SECTION BELOW. ...GALE WARNING... .24 HOUR FORECAST LOW 59N178W 990 MB. WITHIN 240 NM NW AND 540 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 360 NM NE...660 NM SE AND 420 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 64N164W 995 MB. WITHIN 600 NM SE AND 420 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 840 NM SE AND 660 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 3.5 M. .SYNOPSIS AND FORECAST. .LOW 32N127W 1002 MB MOVING N 15 KT. WITHIN 300 NM OF LOW CENTER WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST LOW 39N128W 1008 MB. WITHIN 360 NM S SEMICIRCLE AND 660 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 42N130W 1008 MB. WITHIN 420 NM OF LOW CENTER EXCEPT 780 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS TO 2.5 M. .24 HOUR FORECAST NEW LOW 59N149W 1020 MB. WITHIN 300 NM SE AND 540 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. .48 HOUR FORECAST FROM 30N TO 38N E OF 124W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 52N BETWEEN 163W AND 168W...AND FROM 52N TO 59N BETWEEN 164W AND 172W. .24 HOUR FORECAST DENSE FOG FROM 45N TO 55N BETWEEN 156W AND 166W...AND FROM 54N TO 58N BETWEEN 164W AND 172W...AND FROM 51N TO 59N W OF 175W. .48 HOUR FORECAST DENSE FOG FROM 47N TO 53N BETWEEN 150W AND 158W...AND FROM 50N TO 55N W OF 166W. .FORECASTER HOLLEY. 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 TUE JUL 21. 24 HOUR FORECAST VALID 1200 UTC WED JUL 22. 48 HOUR FORECAST VALID 1200 UTC THU JUL 23. .WARNINGS. ...HURRICANE WARNING... .HURRICANE FAUSTO NEAR 16.3N 118.8W 986 MB AT 1500 UTC JUL 21 MOVING NW OR 305 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...140 NM SE QUADRANT...120 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE QUADRANT...180 NM SE QUADRANT...105 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 7.5 M. ELSEWHERE WITHIN 210 NM OF CENTER...EXCEPT 240 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 10N TO 21N BETWEEN 111W AND 121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE FAUSTO NEAR 17.2N 121.5W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM E SEMICIRCLE...110 NM SW QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM NE SEMICIRCLE AND 180 NM SW SEMICIRCLE WITH SEAS TO 9 M. ELSEWHERE WITHIN 240 NM OF CENTER...EXCEPT 270 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 11N TO 25N BETWEEN 114W AND 127W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE FAUSTO NEAR 17.8N 125.4W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E SEMICIRCLE...110 NM SW QUADRANT AND 130 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM NE SEMICIRCLE AND 210 NM SW SEMICIRCLE WITH SEAS TO 9 M. ELSEWHERE WITHIN 270 NM OF CENTER...EXCEPT 300 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 11N TO 27N BETWEEN 118W AND 132W 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. .LOW PRES N OF AREA NEAR 32N128W 1002 MB. N OF A LINE FROM 30N123W TO 24N131W TO 28N135W TO 30N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M IN MIXED SWELL. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FROM 10N TO 11.5N E OF 91W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M. .12 HOUR FORECAST FROM 10.5N TO 12N E OF 89W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M .24 HOUR FORECAST 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. .48 HOUR FORECAST LITTLE CHANGE. .S OF 00N W 115W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL. .24 HOUR FORECAST 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 TUE JUL 21... .HURRICANE FAUSTO...NUMEROUS MODERATE SCATTERED STRONG FROM 14N TO 16N BETWEEN 118W AND 120W. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 11N TO 17N BETWEEN 113W AND 123W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 08N83W TO 06N95W TO 10N110W...WHERE IT BREAKS FOR HURRICANE FAUSTO...THEN RESUMES NEAR 13N125W TO BEYOND 09N140W. SCATTERED MODERATE CONVECTION IS NOTED FROM 04N TO 10N BETWEEN 83W AND 110W. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 1200 UTC JUL 21 2026. 24 HOUR FORECAST VALID 1200 UTC JUL 22 2026. 48 HOUR FORECAST VALID 1200 UTC JUL 23 2026. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N177W 26N178W MOVING W SLOWLY. .24 HOUR FORECAST TROUGH MOVED W OF AREA. .TROUGH 30N167W 27N168W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 30N171W 27N172W. .48 HOUR FORECAST TROUGH 30N175W 28N176W. .LOW NEAR 07N165W 1008 MB MOVING WNW SLOWLY. TROUGH FROM 15N156W TO 09N157W TO LOW TO 10N173W NEARLY STATIONARY. SCATTERED MODERATE TSTMS FROM 12N TO 04N BETWEEN 174W AND 155W. .24 HOUR FORECAST LOW NEAR 08N166W 1008 MB. TROUGH FROM 11N158W TO LOW TO 12N175W. .48 HOUR FORECAST LOW NEAR 08N169W 1008 MB. TROUGH FROM 13N163W TO LOW TO 08N177W. .WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA. .SEAS 2.5 TO 3 M FROM 18N TO 09N BETWEEN 176W AND 147W. .24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 17N TO 12N BETWEEN 156W AND 149W. .48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 18N TO 11N BETWEEN 165W AND 153W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .MONSOON TROUGH 08N140W 06N145W 07N151W. ISOLATED MODERATE TSTMS FROM 10N TO 03N E OF 154W. .ISOLATED MODERATE TSTMS FROM 12N TO 10N BETWEEN 153W AND 150W...FROM 10N TO 05N W OF 175W...AND FROM 04N TO 01N BETWEEN 171W AND 165W. $$ .FORECASTER TROTTER. HONOLULU HI.