


High Seas Forecast
Issued by NWS
Issued by NWS
073 FZPN02 KWBC 020525 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 0545 UTC SAT AUG 02 2025 CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT TO 50N 160E ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0000 UTC AUG 02. 24 HOUR FORECAST VALID 0000 UTC AUG 03. 48 HOUR FORECAST VALID 0000 UTC AUG 04. .WARNINGS. ...GALE WARNING... .42 HOUR FORECAST LOW 42N160E 990 MB. WITHIN 180 NM SE SEMICIRCLE WINDS 35 TO 45 KT. SEAS 3 TO 7 M. .48 HOUR FORECAST LOW 42N162E 993 MB. WITHIN 120 NM S AND 60 NM N SEMICIRCLES WINDS 30 TO 45 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 35N TO 46N W OF 167E WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. .SYNOPSIS AND FORECAST. .LOW 56N179E 981 MB MOVING NEARLY STATIONARY. WITHIN 420 NM SW AND 540 NM NE SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M...HIGHEST S OF ALEUTIAN ISLANDS. ELSEWHERE N OF 44N BETWEEN 165W AND 169E WINDS LESS 25 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW 57N179E 990 MB. WITHIN 600 NM SE SEMICIRCLE...AND BETWEEN 120 NM AND 300 NM N QUADRANT WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW 57N177W 995 MB. BETWEEN 240 NM AND 420 NM S QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .LOW 40N178E 1005 MB MOVING NE 30 KT. FROM 35N TO 44N BETWEEN 170W AND 173W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW 48N168W 1011 MB. WITHIN 120 NM S AND SE OF A LINE FROM 48N164W TO LOW CENTER TO 41N178W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW 51N150W 1007 MB. FROM 44N TO 51N BETWEEN 143W AND 165W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .FROM 32N TO 43N BETWEEN 119W AND 125W WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST FROM 32N TO 43N BETWEEN 119W AND 126W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST FROM 31N TO 39N BETWEEN 119W AND 125W WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST NEW LOW 37N177E 1011 MB. S OF 41N BETWEEN 180W AND 169E WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 41N179E 1011 MB. WITHIN 120 NM SE SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST NEW LOW 35N 172E 1010 MB. WITHIN 180 NM SE SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 55N BETWEEN 156W AND 168W...AND WITHIN 300 NM N AND NE OF A LINE FROM 54N170W TO 57N175W TO 58N178E TO 55N177E. .24 HOUR FORECAST DENSE FOG FROM 45N TO 49N BETWEEN 152W AND 172W...AND FROM 49N TO 53N W OF 177E...AND N OF 61N W OF 168W .48 HOUR FORECAST DENSE FOG WITHIN 240 NM NW OF A LINE FROM 48N142W TO 42N167W...AND FROM 40N TO 47N W OF 164E...AND FROM 49N TO 53N W OF 176W...AND FROM 53N TO 61N BETWEEN 169W AND 176W. .FORECASTER POCHE. 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 0000 UTC SAT AUG 2. 24 HOUR FORECAST VALID 0000 UTC SUN AUG 3. 48 HOUR FORECAST VALID 0000 UTC MON AUG 4. .WARNINGS. ...HURRICANE WARNING... .HURRICANE GIL NEAR 16.5N 125.1W 991 MB AT 0300 UTC AUG 02 MOVING WNW OR 290 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E SEMICIRCLE...50 NM SW QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...270 NM SE QUADRANT...120 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 9.0 M. ELSEWHERE WITHIN 19N121W TO 21N124W TO 21N129W TO 17N128W TO 14N124W TO 16N121W TO 19N121W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 24N116W TO 24N128W TO 06N128W TO 11N118W TO 16N114W TO 24N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE GIL NEAR 19.0N 130.9W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...50 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM E SEMICIRCLE...210 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 22N128W TO 24N132W TO 22N136W TO 19N135W TO 18N130W TO 19N128W TO 22N128W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 19N122W TO 26N128W TO 23N140W TO 13N140W TO 15N136W TO 09N129W TO 19N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL. .36 HOUR FORECAST TROPICAL STORM GIL NEAR 20.2N 134.1W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. .48 HOUR FORECAST POST-TROPICAL GIL NEAR 21.1N 136.9W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM NE QUADRANT...150 NM SE QUADRANT...180 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 25N135W TO 25N139W TO 24N140W TO 21N140W TO 20N137W TO 23N133W TO 25N135W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER AREA WITHIN 25N129W TO 28N133W TO 27N140W TO 12N140W TO 10N137W TO 15N132W TO 25N129W 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. .WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 22N130W TO 24N133W TO 24N140W TO 11N140W TO 13N131W TO 22N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. .24 HOUR FORECAST CONDITIONS MERGED WITH GIL ABOVE. .WITHIN 05N93W TO 07N100W TO 03.4S100W TO 03.4S87W TO 00N92W TO 05N93W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .24 HOUR FORECAST WITHIN 02S80W TO 02S120W TO 03.4S120W TO 02S80W...INCLUDING THE GULF OF GUAYAQUIL AND EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .48 HOUR FORECAST WITHIN 02N111W TO 05N125W TO 00N130W TO 00N120W TO 03.4S120W TO 03.4S105W TO 02N111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .48 HOUR FORECAST WITHIN 17N117W TO 17N119W TO 15N120W TO 13N119W TO 12N118W TO 14N116W TO 17N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0250 UTC SAT AUG 2... .HURRICANE GIL...SCATTERED TO NUMEROUS MODERATE TO STRONG CONVECTION FROM 14N TO 17.5N BETWEEN 122W AND 126W. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 10N TO 20N BETWEEN 118W AND 127W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 09N85W TO 09N104W TO 11N111W. IT RESUMES FROM 12N126W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 10N BETWEEN 92W AND 98W...FROM 05N TO 17N BETWEEN 100W AND 112W...AND FROM 05N TO 10N BETWEEN 130W AND 140W. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 0000 UTC AUG 02 2025. 24 HOUR FORECAST VALID 0000 UTC AUG 03 2025. 48 HOUR FORECAST VALID 0000 UTC AUG 04 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROPICAL DEPRESSION IONA NEAR 15.5N 178.8W 1008 MB AT 0000 UTC AUG 02 MOVING WNW OR 295 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30 KT FROM 21N TO 14N BETWEEN 178E AND 176W. SEAS 4 M OR GREATER 180 NM NE QUADRANT...80 NM SE QUADRANT...40 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 2.5 TO 4 M ELSEWHERE FROM 22N TO 12N BETWEEN 178E AND 172W. .24 HOUR FORECAST TROPICAL DEPRESSION IONA NEAR 18.0N 175.8E. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30 KT FROM 22N TO 17N BETWEEN 174E AND 179E. SEAS 2.5 TO 4 M FROM 25N TO 16N BETWEEN 175E AND 175W. .48 HOUR FORECAST TROPICAL DEPRESSION IONA NEAR 20.6N 171.6E MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30 KT FROM 24N TO 20N BETWEEN 171E AND 175E. SEAS 2.5 TO 4 M FROM 26N TO 20N BETWEEN 171E AND 176E. SEE BULLETIN TCMCP1 ISSUED BY CPHC FOR MORE INFORMATION FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .FRONT 30N168E 28N167E 30N162E NEARLY STATIONARY. WINDS 20 TO 25 KT WITHIN 180 NM E OF FRONT. SEAS 2.5 TO 3 M N OF 27N 162E AND 174E. ISOLATED MODERATE TSTMS N OF 24N W OF 169E. .24 HOUR FORECAST FRONT 30N170E 24N160E. WINDS 20 TO 25 KT N OF 26N BETWEEN 169E AND 172E. SEAS LOWERED TO 2.5 M OR LOWER. .48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N168E 25N164E 23N160E. WINDS EASED TO 20 KT OR LESS. .TROUGH 13N156W 06N157W MOVING W SLOWLY. WINDS 20 TO 25 KT FROM 19N TO 12N BETWEEN 160W AND 155W. SEAS 2.5 TO 3.5 M FROM 18N TO 10N BETWEEN 163W AND 144W. ISOLATED MODERATE TSTMS FROM 13N TO 09N BETWEEN 158W AND 154W. .24 HOUR FORECAST TROUGH 11N160W 04N165W. WINDS 20 TO 25 KT FROM 17N TO 10N BETWEEN 169W AND 157W. SEAS 2.5 TO 3 M FROM 18N TO 11N BETWEEN 168W AND 152W. .48 HOUR FORECAST TROUGH 11N168W 04N175W. SEAS 2.5 TO 3 M FROM 19N TO 10N BETWEEN 174W AND 152W. WINDS EASED TO 20 KT OR LESS. .24 HOUR FORECAST NEW TROUGH 11N164E 07N160E. .48 HOUR FORECAST TROUGH MOVED W OF AREA. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .48 HOUR FORECAST SEAS 2.5 TO 4 M FROM 26N TO 13N E OF 145W. .SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA. .ITCZ 07N140W 08N152W...AND 07N162W 05N172W 07N178E 06N160E. ISOLATED MODERATE TSTMS WITHIN 210 NM OF ITCZ W OF 179E AND BETWEEN 165W AND 161W. .SCATTERED MODERATE TSTMS FROM 22N TO 12N BETWEEN 177E AND 172W. $$ .FORECASTER TROTTER. HONOLULU HI.