FZPN02 KWBC 262325
HSFEPI 2345
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC MON AUG 26 2024
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
[email protected](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 1800 UTC AUG 26.
24 HOUR FORECAST VALID 1800 UTC AUG 27.
48 HOUR FORECAST VALID 1800 UTC AUG 28.
.WARNINGS.
…GALE WARNING…
.LOW 60N174W 980 MB MOVING E 20 KT. WITHIN 600 NM S AND 540 NM
SW..AND 420 NM E AND 360 NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS
10 TO 17 FT. ELSEWHERE N OF A LINE FROM 49N153W TO 47N160W TO
44N172W TO 46N179E TO 50N169E WINDS 20 TO 30 KT. SEAS 8 TO 15
FT. .24 HOUR FORECAST LOW 59N165W 989 MB. WITHIN 540 NM S AND
420 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 21 FT.
ELSEWHERE N OF A LINE FROM 50N150W TO 49N170W TO 54N177W TO
61N177W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 59N158W 1004 MB AND
SECOND LOW 59N151W 1005 MB. WITHIN 420 NM S AND 480 NM SW
QUADRANTS OF SECOND LOW WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
…GALE WARNING…
.24 HOUR FORECAST FROM 36N TO 44N BETWEEN 123W AND 128W AREA OF
N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 37N TO 44N E OF 128W AREA OF N WINDS 25
TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 35N TO 44N BETWEEN
123W AND 130W N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
…GALE WARNING…
.24 HOUR FORECAST NEW LOW 59N149W 1005 MB. WITHIN 240 NM E AND
180 NM NE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITONS DIMNISHED.
…GALE WARNING…
.24 HOUR FORECAST LOW W OF AREA 50N157E 1005 MB. WITHIN 420 NM E
QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 53N180W 993 MB. WITHIN 420 NM S AND SE
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.SYNOPSIS AND FORECAST.
.COMPLEX LOW WITH MAIN LOW 57N138W 1010 MB DRIFTING SE. WITHIN
420 NM S QUADRANT WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. FROM 45N TO 51N BETWEEN
124W AND 132W AREA OF NW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 45N TO 49N BETWEEN 124W AND 129W AREA OF
NW WINDS TO 25 KT. SEAS TO 8 FT.
.FROM 45N TO 51N BETWEEN 126W AND 135W WINDS TO 25 KT. SEAS TO 8
FT.
.24 HOUR FORECAST FROM 46N TO 52N BETWEEN 124W AND 133W AREA OF
NW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 56N
BETWEEN 154W AND 173W…AND FROM 58N TO 63N BETWEEN 165W AND
176W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 51N W OF 168E.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 50N W OF 179E.
.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 MON AUG 26.
24 HOUR FORECAST VALID 1800 UTC TUE AUG 27.
48 HOUR FORECAST VALID 1800 UTC WED AUG 28.
.WARNINGS.
…HURRICANE WARNING…
.HURRICANE GILMA NEAR 18.4N 137.4W 968 MB AT 2100 UTC AUG 26
MOVING W OR 280 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 95 KT GUSTS
115 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE QUADRANT…50
NM SE QUADRANT…40 NM SW QUADRANT…AND 70 NM NW QUADRANT. SEAS
12 FT OR GREATER WITHIN 180 NM OF CENTER…EXCEPT 60 NM SE
QUADRANT WITH SEAS TO 26 FT. ELSEWHERE WITHIN 210 NM N
SEMICIRCLE AND 120 NM S SEMICIRCLE OF CENTER WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT FROM 12N TO 25N W OF 132W.
.24 HOUR FORECAST HURRICANE GILMA JUST W OF AREA NEAR 18.7N
140.9W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL
STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE…50 NM SE QUADRANT
AND 40 NM SW QUADRANT. OVER FORECAST WATERS SEAS 12 FT OR
GREATER FROM 17N TO 22N W OF 139W WITH SEAS TO 25 FT. ELSEWHERE
OVER FORECAST WATERS FROM 16N TO 23N WINDS 20 TO 33 KT. SEAS 8
TO 12 FT.
.36 HOUR FORECAST TROPICAL STORM GILMA W OF AREA NEAR 18.9N
143.1W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.48 HOUR FORECAST TROPICAL STORM GILMA W OF AREA NEAR 19.4N
145.3W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL
STORM FORCE WINDS WITHIN 60 NM NE QUADRANT…40 NM SE
QUADRANT…30 NM SW QUADRANT…AND 50 NM NW QUADRANT. OVER
FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
…TROPICAL STORM WARNING…
.TROPICAL STORM HECTOR NEAR 16.5N 125.8W 1000 MB AT 2100 UTC AUG
26 MOVING WNW OR 285 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W
SEMICIRCLE…50 NM NE QUADRANT AND 90 NM SE QUADRANT. SEAS 12
FT OR GREATER WITHIN 60 NM NW AND SE QUADRANTS…90 NM NE
QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE
WITHIN 150 NM OF CENTER…EXCEPT 90 NM SW QUADRANT WINDS 20 TO
33 KT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 14N TO 20N
BETWEEN 122W AND 127W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM HECTOR NEAR 17.3N 129.2W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT…60 NM SE QUADRANT…30 NM SW
QUADRANT…AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
120 NM OF CENTER…EXCEPT 60 NM SW QUADRANT WITH SEAS TO 19 FT.
ELSEWHERE WITHIN 150 NM OF CENTER…EXCEPT 90 NM SW QUADRANT
WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM
15N TO 21N BETWEEN 126W AND 132W WINDS 20 KT OR LESS. SEAS 8 TO
9 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM HECTOR NEAR 17.7N 133.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM NW AND SE QUADRANTS…60 NM NE QUADRANT AND
30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM OF
CENTER…EXCEPT 60 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE
WITHIN 150 NM OF CENTER…EXCEPT 90 NM SW QUADRANT WINDS 20 TO
33 KT. SEAS 9 TO 12 FT. REMAINDER OF THE AREA FROM 15N TO 22N
BETWEEN 130W AND 136W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 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 14.5N BETWEEN 94.5W AND 95.5W…INCLUDING THE GULF OF
TEHUANTEPEC…N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W…INCLUDING
THE GULF OF TEHUANTEPEC…N WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST N OF 27N BETWEEN 115W AND 116W NW WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
CONVECTION VALID AT 2100 UTC MON AUG 26…
.HURRICANE GILMA…NUMEROUS MODERATE TO STRONG WITHIN 60 NM OF
CENTER.
.TROPICAL STORM HECTOR…NUMEROUS MODERATE TO STRONG WITHIN
120 NM NE SEMICIRCLE AND 60 NM SW SEMICIRCLE.
.TROPICAL WAVE ALONG 96W…SCATTERED MODERATE TO ISOLATED
STRONG FROM 10N TO 15N BETWEEN 90W AND 100W.
.TROPICAL WAVE NEAR 112W…SCATTERED MODERATE FROM 06N TO
10N BETWEEN 112W AND 117W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH…
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 11N100W TO 09N114W.
THERE IS NO MONSOON TROUGH OR ITCZ ANALYZED WEST OF 114W DUE TO
THE DISRUPTION CREATED BY THE CIRCULATIONS OF HURRICANE GILMA
AND T.S. HECTOR. MOST OF THE CONVECTIVE ACTIVITY IS ASSOCIATED
WITH THE TROPICAL WAVES AND TROPICAL CYCLONES DESCRIBED ABOVE.
SCATTERED MODERATE CONVECTION IS ALSO NOTED FROM 08N TO 14N
BETWEEN 100W AND 110W.
¤¤
.FORECASTER GR. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1800 UTC AUG 26 2024.
24 HOUR FORECAST VALID 1800 UTC AUG 27 2024.
48 HOUR FORECAST VALID 1800 UTC AUG 28 2024.
.WARNINGS.
…HURRICANE WARNING…
.24 HOUR FORECAST HURRICANE GILMA NEAR 18.7N 140.9W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM N SEMICIRCLE…50 NM SE QUADRANT AND 40 NM SW
QUADRANT. WINDS 20 TO 33 KT ELSEWHERE FROM 23N TO 17N E OF 147W.
SEAS 12 FT OR GREATER FROM 21N TO 18N E OF 149W WITH SEAS TO 25
FT. SEAS 8 TO 12 FT ELSEWHERE FROM 24N TO 16N E OF 149W.
.48 HOUR FORECAST TROPICAL STORM GILMA NEAR 19.4N 145.3W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. WINDS
20 TO 33 KT ELSEWHERE FROM 22N TO 18N BETWEEN 147W AND 141W.
SEAS 12 FT OR GREATER FROM 21N TO 18N BETWEEN 147W AND 145W
WITH SEAS TO 16 FT. SEAS 8 TO 12 FT ELSEWHERE FROM 25N TO 17N
BETWEEN 150W AND 142W.
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 WTPZ22
KHNC FOR ADDITIONAL INFORMATION.
…TROPICAL STORM WARNING…
.TROPICAL STORM HONE NEAR 19.2N 161.6W 998 MB MOVING W 11 KT.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM
FORCE WINDS WITHIN 80 NM E SEMICIRCLE…50 NM NW QUADRANT AND
10 NM SW QUADRANT. WINDS 20 TO 33 KT ELSEWHERE FROM 28N TO 18N
BETWEEN 166W AND 157W. SEAS 12 FT OR GREATER WITHIN 180 NM N
SEMICIRCLE… 60 NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS
TO 22 FT. SEAS 8 TO 12 FT ELSEWHERE FROM 25N TO 16N BETWEEN
170W AND 156W.
.24 HOUR FORECAST TROPICAL STORM HONE NEAR 19.6N 166.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM
FORCE WINDS WITHIN 70 NM N SEMICIRCLE…40 NM SE
QUADRANT…AND 0 NM SW QUADRANT. WINDS 20 TO 33 KT ELSEWHERE
FROM 26N TO 19N BETWEEN 170W AND 160W. SEAS 12 FT OR GREATER
FROM 22N TO 19N BETWEEN 167W AND 164W WITH SEAS TO 16 FT.
SEAS 8 TO 12 FT ELSEWHERE FROM 24N TO 17N BETWEEN 171W AND
161W.
.48 HOUR FORECAST TROPICAL STORM HONE NEAR 20.3N 170.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM
FORCE WINDS WITHIN 60 NM N SEMICIRCLE…20 NM SE QUADRANT
AND 0 NM SW QUADRANT. WINDS 20 TO 33 KT ELSEWHERE FROM
25N TO 20N BETWEEN 173W AND 168W. SEAS 12 FT OR GREATER
FROM 21N TO 20N BETWEEN 171W AND 169W WITH SEAS TO 13 FT.
SEAS 8 TO 12 FT ELSEWHERE FROM 22N TO 19N BETWEEN 173W
AND 167W.
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 CPHC UNDER WMO HEADER WTPA21
PHFO FOR ADDITIONAL INFORMATION.
.SYNOPSIS AND FORECAST.
.TROUGH 28N163E 27N160E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 150 NM S OF TROUGH W OF 165E.
.24 HOUR FORECAST TROUGH W OF AREA.
.TROUGH 29N172E 14N162E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS FROM 30N TO 25N BETWEEN 169E AND 174E.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 17N162E 12N162E 08N164E MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 11N173E 06N172E 04N168E MOVING W 10 KT. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 08N166E 06N160E.
.48 HOUR FORECAST TROUGH 11N163E 06N160E.
.REMAINDER OF AREA WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS.
.ITCZ 10N140W 08N160W 06N178W. ISOLATED MODERATE TSTMS
WITHIN 90 NM E OF 160W AND W OF 167W.
.ISOLATED MODERATE TSTMS N OF 23N BETWEEN 176E AND 172W.
¤¤
.FORECASTER TROTTER/FOSTER. HONOLULU HI.
UUID 6E1BA060-6402-11EF-831C-0AFB0B270000 TX 1
