FZPN02 KWBC 201725
HSFEPI 1745
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC TUE AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 20.
24 HOUR FORECAST VALID 1200 UTC AUG 21.
48 HOUR FORECAST VALID 1200 UTC AUG 22.
.WARNINGS.
…GALE WARNING…
.LOW NW OF AREA NEAR 57N171E 960 MB MOVING NE 15 KT. WITHIN 360
NM SE SEMICIRCLE WINDS 30 TO 45 KT. SEAS 15 TO 28 FT. ELSEWHERE
N OF 52N W OF 171W AND N OF 46N W OF 178E WINDS 20 TO 30 KT.
SEAS 9 TO 18 FT…HIGHEST S OF CENTER.
.24 HOUR FORECAST LOW NW OF AREA NEAR 62N178W 976 MB. WITHIN 360
NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 15 TO 27 FT. ELSEWHERE
W AND N OF A LINE FROM 60N163W TO 52N178E WINDS TO 25 KT. SEAS 9
TO 18 FT.
.48 HOUR FORECAST LOW WELL N OF AREA. N OF 56N W OF 149W WINDS
20 TO 30 KT. SEAS TO 10 FT.
.SYNOPSIS AND FORECAST.
.LOW 59N143W 1010 MB MOVING SE 25 KT. FROM 54N TO 60N BETWEEN
140W AND 155W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 48N TO 55N BETWEEN 131W
AND 140W WINDS LESS THAN 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 42N TO 48N BETWEEN 130W AND 137W AREA OF
N WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER W OF AREA 34N158E
1007 MB. S OF 41N W OF 171E WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 37N163E 1014 MB.
WITHIN 180 NM SE OF A LINE FROM 50N173W TO 46N176E TO 36N160E
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 30N TO 41N W OF 170E WINDS 20 TO 30 KT.
SEAS TO 9 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 36N164E 1003 MB.
WITHIN 420 NM W OF A LINE FROM 33N166E TO 41N174E TO 47N170W
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 54N
BETWEEN 159W AND 177W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 55N BETWEEN 148W AND
170W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM S OF A LINE FROM
52N152W TO 51N173W TO 46N170E.
.FORECASTER KREKELER. 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 AUG 20.
24 HOUR FORECAST VALID 1200 UTC WED AUG 21.
48 HOUR FORECAST VALID 1200 UTC THU AUG 22.
.WARNINGS.
…HURRICANE WARNING…
.TROPICAL STORM GILMA NEAR 16.0N 119.6W 1000 MB AT 1500 UTC AUG
20 MOVING WNW OR 285 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NE
QUADRANT…90 NM SE QUADRANT…100 NM SW QUADRANT…AND 60 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM N SEMICIRCLE…105
NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 16 FT.
ELSEWHERE WITHIN 16N116W TO 18N117W TO 18N120W TO 13N123W TO
12N121W TO 12N116W TO 16N116W WINDS 20 TO 33 KT. SEAS 8 TO 12
FT.
REMAINDER OF AREA WITHIN 15N111W TO 19N119W TO 17N121W TO
14N115W TO 12N120W TO 11N114W TO 15N111W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GILMA NEAR 16.6N 122.6W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM N SEMICIRCLE AND 100 NM S SEMICIRCLE. SEAS 12
FT OR GREATER WITHIN 150 NM NE AND SW QUADRANTS…180 NM SE
QUADRANT…AND 90 NM NW QUADRANT WITH SEAS TO 20 FT. ELSEWHERE
WITHIN 18N119W TO 19N124W TO 16N125W TO 14N124W TO 13N120W TO
15N118W TO 18N119W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
OF AREA WITHIN 20N119W TO 20N123W TO 18N126W TO 14N125W TO
12N117W TO 15N115W TO 20N119W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN MIXED SWELL.
.36 HOUR FORECAST HURRICANE GILMA NEAR 17.0N 123.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NE QUADRANT…90 NM S SEMICIRCLE…AND 70 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE AND SW QUADRANTS
…210 NM SE QUADRANT…AND 105 NM NW QUADRANT WITH SEAS TO 24
FT. ELSEWHERE WITHIN 17N120W TO 20N122W TO 19N124W TO 18N126W TO
14N125W TO 13N120W TO 17N120W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA WITHIN 21N121W TO 20N127W TO 13N126W TO
12N120W TO 13N117W TO 16N116W TO 21N121W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GILMA NEAR 17.4N 125.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM E SEMICIRCLE AND 70 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 150 NM NE AND SW QUADRANTS…210 NM SE QUADRANT
…AND 120 NM NW QUADRANT WITH SEAS TO 28 FT. ELSEWHERE WITHIN
17N121W TO 19N122W TO 20N126W TO 16N127W TO 14N125W TO 14N122W TO
17N121W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
WITHIN 18N117W TO 23N122W TO 20N128W TO 15N129W TO 12N124W TO
13N119W TO 18N117W WINDS 20 KT OR LESS. SEAS 8 TO 11 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.
…GALE WARNING…
.LOW PRES…EP90 NEAR 10.5N137.5W 1007 MB. LOW PRES…EP91…
NEAR 14N132W 1007 MB. WITHIN 16N131W TO 16N132W TO 13N133W TO
11N136W TO 10N134W TO 12N130W TO 16N131W WINDS 20 TO 25 KT. SEAS
9 TO 11 FT IN SW SWELL. ELSEWHERE WITHIN 13N128W TO 17N132W TO
13N132W TO 10N137W TO 09N134W TO 11N129W TO 13N128W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST LOW PRES…EP90…MERGED WITH LOW PRES…
EP91…POSSIBLE TROPICAL CYCLONE…NEAR 14.5N135.5W 1005 MB.
WITHIN 19N136W TO 19N137W TO 17N138W TO 15N137W TO 14N134W TO
16N133W TO 19N136W WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE
WITHIN 17N131W TO 20N134W TO 19N140W TO 15N140W TO 11N132W TO
17N131W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES…EP91…POSSIBLE TROPICAL CYCLONE…
NEAR 15.5N140W 1002 MB. WITHIN 17N138W TO 20N140W TO 14N140W TO
14N139W TO 15N138W TO 17N138W WINDS 25 TO 35 KT. SEAS 9 TO 12 FT.
ELSEWHERE WITHIN 19N136W TO 23N140W TO 20N140W TO 18N139W TO
13N140W TO 14N137W TO 19N136W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MIXED SWELL.
.SYNOPSIS AND FORECAST.
.WITHIN 31N113W TO 32N115W TO 31N115W TO 30N115W TO 30N114W TO
31N113W…INCLUDING THE GULF OF CALIFORNIA…SE TO S WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.03 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO 15N95W TO 15N94W
TO 16N94W…INCLUDING THE GULF OF TEHUANTEPEC…N TO NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE…EXCEPT SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
CONVECTION VALID AT 1440 UTC TUE AUG 20…
.TROPICAL STORM GILMA…NUMEROUS MODERATE SCATTERED STRONG
WITHIN 420 NM SW SEMICIRCLE.
.LOW PRES…EP90…SCATTERED MODERATE WITHIN 120 NM SW
SEMICIRCLE.
.LOW PRES…EP91…NUMEROUS MODERATE ISOLATED STRONG WITHIN 135
NM SW SEMICIRCLE.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH…
MONSOON TROUGH FROM 10N85W TO 17N111W THEN RESUMES W OF GILMA
FROM 16N126W TO LOW PRES…EP91…NEAR 14N132W TO LOW PRES…
EP90…NEAR 10.5N137.5W TO BEYOND 10N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 04N TO 12N BETWEEN 77W AND 90W….AND
WITHIN 240 NM EITHER SIDE OF MONSOON TROUGH BETWEEN 92W AND
112W.
¤¤
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1200 UTC AUG 20 2024.
24 HOUR FORECAST VALID 1200 UTC AUG 21 2024.
48 HOUR FORECAST VALID 1200 UTC AUG 22 2024.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH FROM 30N175W TO 24N178W MOVING W 10 KT. ISOLATED
MODERATE TSTMS N OF 26N BETWEEN 170W AND 173W.
.24 HOUR FORECAST TROUGH FROM 30N178W TO 25N178W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH FROM 23N178E TO 17N173E MOVING W 10 KT. ISOLATED
MODERATE TSTMS FROM 21N TO 23N BETWEEN 180E AND 177E.
.24 HOUR FORECAST TROUGH FROM 24N174E TO 20N171E.
.48 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH FROM 12N165E TO 08N160E MOVING W 10 KT. SCATTERED
MODERATE TSTMS S OF 10N BETWEEN 174E AND 165E.
.24 HOUR FORECAST TROUGH FROM 13N162E TO 10N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.
.TROUGH FROM 14N177W TO 08N180W TO 04N175E MOVING W 15 KT.
ISOLATED MODERATE TSTMS FROM 03N TO 12N BETWEEN 170W AND 174E.
.24 HOUR FORECAST TROUGH FROM 13N180W TO 07N176E.
.48 HOUR FORECAST TROUGH FROM 13N175E TO 07N174E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT SEAS 8 TO 12 FT
FROM 13N TO 24N E OF 146W.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.
.MONSOON TROUGH FROM 10N140W TO 09N146W TO 12N153W. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.ISOLATED MODERATE TSTMS FROM 23N TO 26N BETWEEN 167E AND 163E.
¤¤
.FORECASTER BIRCHARD. HONOLULU HI.
UUID 27CF5392-5F19-11EF-BE30-0AFB0B270000 TX 1
