FZPN02 KWBC 271125
HSFEPI 1145
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC TUE AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 27.
24 HOUR FORECAST VALID 0600 UTC AUG 28.
48 HOUR FORECAST VALID 0600 UTC AUG 29.
.WARNINGS.
…GALE WARNING…
.LOW 60N170W 982 MB MOVING SE 15 KT. BETWEEN 120 NM AND 600 NM S
AND SE…BETWEEN 180 NM AND 480 NM SW…AND 120 NM AND 300 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 21 FT. ELSEWHERE FROM
45N TO 64N BETWEEN 144W AND 173E WINDS 20 TO 30 KT. SEAS 8 TO 16
FT.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 59N166W 989 MB
AND A NEW SECONDARY CENTER 59N150W 1003 MB. WITHIN 300 NM E AND
NE QUADRANTS OF NEW SECONDARY CENTER WINDS 25 TO 35 KT. SEAS TO
11 FT. ELSEWHERE WITHIN 540 NM S AND SE…480 NM SW…AND 300 NM
W AND NW QUADRANTS OF MAIN CENTER WINDS 25 TO 40 KT. SEAS 10 TO
20 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 59N163W 996 MB.
WITHIN 480 NM S AND SE…AND 240 NM SW QUADRANTS WINDS 25 TO 35
KT. SEAS 9 TO 18 FT. ELSEWHERE FROM 49N TO 60N BETWEEN 134W AND
171W WINDS TO 25 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 59N150W 1007 MB.
WITHIN 480 NM S AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
…GALE WARNING…
.FROM 36N TO 42N E OF 126W N WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST FROM 40N TO 43N E OF 126W N WINDS 25 TO 35 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST FROM 38N TO 43N BETWEEN 124W AND 128W N WINDS
25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 34N TO 45N BETWEEN
123W AND 131W N TO NW WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST FROM 39N TO 44N E OF 127W N WINDS 25 TO 35 KT.
SEAS 9 TO 15 FT. ELSEWHERE FROM 35N TO 50N BETWEEN 123W AND 132W
N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
…GALE WARNING…
.12 HOUR FORECAST LOW W OF AREA 48N153E 1005 MB. FROM 43N TO 51N
W OF 171E S TO SW WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 52N170E 1000 MB. WITHIN 240 NM E AND
NE…420 NM SE…AND 540 NM W AND SW QUADRANTS WINDS 25 TO 35 KT.
SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 52N172W 993 MB. FROM 45N TO 54N BETWEEN
161W AND 177W WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. ELSEWHERE FROM
43N TO 55N BETWEEN 157W AND 178E WINDS 20 TO 30 KT. SEAS 8 TO 1R FORECAST VALID 0600 UTC WED AUG 28.
48 HOUR FORECAST VALID 0600 UTC THU AUG 29.
.WARNINGS.
…HURRICANE WARNING…
.HURRICANE GILMA NEAR 18.5N 139.2W 973 MB AT 0900 UTC AUG 27
MOVING W OR 275 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS
110 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 120 NM OF CENTER EXCEPT 60 NM SE
QUADRANT WITH SEAS TO 25 FT. ELSEWHERE WITHIN 21N135W TO 23N137W
TO 24N140W TO 14N140W TO 15N139W TO 20N135W TO 21N135W E WINDS
20 TO 33 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM GILMA W OF THE AREA NEAR 18.8N
143.2W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. OVER FORECAST
WATERS CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8
FT.
…TROPICAL STORM WARNING…
.TROPICAL STORM HECTOR NEAR 17.1N 127.5W 1000 MB AT 0900 UTC AUG
27 MOVING WNW OR 290 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM E
SEMICIRCLE…0 NM SW QUADRANT AND 50 NM NW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 105 NM NE QUADRANT…90 NM SE QUADRANT…60 NM
SW QUADRANT…AND 75 NM NW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE
WITHIN 20N124W TO 21N126W TO 21N128W TO 17N130W TO 15N129W TO
16N126W TO 20N124W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM HECTOR NEAR 17.8N 131.2W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM NE QUADRANT…70 NM SE QUADRANT…0 NM SW
QUADRANT…AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
120 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 20 FT.
ELSEWHERE WITHIN 20N127W TO 23N130W TO 21N134W TO 17N135W TO
15N132W TO 20N127W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM HECTOR NEAR 18.0N 135.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM S SEMICIRCLE…60 NM NE QUADRANT AND 40 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM OF CENTER…EXCEPT
60 NM SW QUADRANT WITH SEAS TO 16 FT. ELSEWHERE WITHIN 21N132W
TO 23N136W TO 21N140W TO 17N139W TO 15N136W TO 16N135W TO
21N132W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
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 15N96W TO 14N97W TO 14N96W TO 15N95W
TO 16N94W…INCLUDING THE GULF OF TEHUANTEPEC… NE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. 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 0930 UTC TUE AUG 27…
.HURRICANE GILMA…NUMEROUS MODERATE FROM 17N TO 20N BETWEEN
137W AND 140W.
.TROPICAL STORM HECTOR…SCATTERED MODERATE FROM 14N TO 18N
BETWEEN 125W AND 129W.
.TROPICAL WAVE ALONG 96W…SCATTERED MODERATE ISOLATED STRONG
FROM
05N TO 17N BETWEEN 87W AND 104W.
.TROPICAL WAVE NEAR 113W…WIDELY SCATTERED MODERATE FROM 07N TO
11N BETWEEN 110W AND 120W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH…
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 10N102W TO 08N120W.
MOST OF THE CONVECTIVE ACTIVITY IS ASSOCIATED WITH THE TROPICAL
WAVES AND TROPICAL CYCLONES DESCRIBED ABOVE.
¤¤
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 0600 UTC AUG 27 2024.
24 HOUR FORECAST VALID 0600 UTC AUG 28 2024.
48 HOUR FORECAST VALID 0600 UTC AUG 29 2024.
.WARNINGS.
…TROPICAL STORM WARNING…
.TROPICAL STORM HONE NEAR 19.8N 164.3W 1000 MB AT 0900 UTC AUG 27
MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS
60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE…50
NM SE QUADRANT AND 0 NM SW QUADRANT. WINDS 20 TO 33 KT FROM 17N TO
25N BETWEEN 167W AND 160W. SEAS 12 FT OR GREATER WITHIN 170 NM N
SEMICIRCLE…60 NM SE QUADRANT AND 80 NM SW QUADRANT WITH SEAS TO
22 FT. SEAS 8 TO 12 FT ELSEWHERE FROM 16N TO 25N BETWEEN 170W AND
161W.
.24 HOUR FORECAST TROPICAL STORM HONE NEAR 20.3N 168.1W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. WINDS 20 TO
33 KT FROM 18N TO 24N BETWEEN 172W AND 165W.
.48 HOUR FORECAST TROPICAL STORM HONE NEAR 21.2N 172.2W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM N SEMICIRCLE…10 NM SE QUADRANT AND 0 NM SW
QUADRANT.
WINDS 20 TO 33 KT FROM 20N TO 26N BETWEEN 175W AND 170W. SEAS 12
FT OR GREATER WITHIN 120 NM OF CENTER WITH SEAS TO 13 FT. SEAS 8
TO 12 FT ELSEWHERE FROM 20N TO 25N BETWEEN1 75W AND 170W.
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.
…HURRICANE WARNING…
.HURRICANE GILMA NEAR 18.5N 139.2W 973 MB AT 0900 UTC AUG 27
MOVING W OR 275 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS
110 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE QUADRANT…50
NM SE QUADRANT…40 NM SW QUADRANT…AND 70 NM NW QUADRANT. WINDS
20 TO 33 KT ELSEWHERE FROM 17N TO 25N E OF 148W. SEAS 12 FT OR
GREATER WITHIN 120 NM OF CENTER EXCEPT 60 NM SE QUADRANT WITH SEAS
TO 26 FT. SEAS 8 TO 12 FT ELSEWHERE FROM 16N TO 26N E OF 147W.
.24 HOUR FORECAST TROPICAL STORM GILMA NEAR 18.8N 143.2W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN
50 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. WINDS 20 TO 33 KT FROM
17N TO 24N E OF 147W. SEAS 12 FT OR GREATER WITHIN 120 NM OF
CENTER WITH SEAS TO 13 FT. SEAS 8 TO 12 FT ELSEWHERE FROM 16N TO
24N E OF 151W.
.48 HOUR FORECAST TROPICAL STORM GILMA NEAR 19.8N 147.8W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 20 NM S SEMICIRCLE…50 NM NE QUADRANT AND 40 NM NW
QUADRANT.
WINDS 20 TO 33 KT FROM 18N TO 24N BETWEEN 149W AND 142W. SEAS 12
FT OR GREATER WITHIN 30 NM OF CENTER WITH SEAS TO 13 FT. SEAS 8 TO
12 FT ELSEWHERE FROM 19N TO 24N BETWEEN 151W AND 145W.
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.
.SYNOPSIS AND FORECAST.
.TROUGH 28N172E 27N160E MOVING W SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.
.TROUGH 08N168E 02N167E MOVING NW 10 KT. ISOLATED MODERATE TSTMS
WITHIN 300 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 10N165E 07N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.
.REMAINDER OF AREA WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS.
.ITCZ 10N140W 09N157W 05N173W. SCATTERED MODERATE TSTMS FROM 03N
TO
07N BETWEEN 175E AND 174W.
.ISOLATED MODERATE TSTMS FROM 23N TO 27N W OF 165E.
¤¤
.FORECASTER SHIGESATO. HONOLULU HI.
UUID 07DEA922-6467-11EF-B17A-0AFB0B260000 TX 1