916
FZPN02 KWBC 121725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC TUE AUG 12 2025

CCODE/1:31:12:01:00/AOW+POR/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 12.
24 HOUR FORECAST VALID 1200 UTC AUG 13.
48 HOUR FORECAST VALID 1200 UTC AUG 14.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HENRIETTE NEAR 32.8N 161.6W 994 MB AT 1500 UTC
AUG 12 MOVING NW OR 315 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 60
KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT...60 NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW
QUADRANT.  SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...90 NM
SE QUADRANT...70 NM SW QUADRANT...AND 60 NM NW QUADRANT WITH
SEAS TO 10 M. ELSEWHERE FROM 31N TO 35N BETWEEN 157W AND 163W
WINDS 20 TO 33 KT. SEAS TO 4 M.
.24 HOUR FORECAST TROPICAL STORM HENRIETTE NEAR 36.2N 166.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...50 NM SE QUADRANT...20 NM SW
QUADRANT...AND 40 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 35N TO
38N BETWEEN 164W AND 168W WITH SEAS TO 7.5 M. ELSEWHERE FROM 34N
TO 38N BETWEEN 164W AND 168W WINDS 20 TO 33 KT. SEAS TO 4 M.
.36 HOUR FORECAST POST-TROPICAL CYCLONE HENRIETTE NEAR 38.3N
168.2W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE HENRIETTE NEAR 40.7N
169.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. FROM 40N TO
42N BETWEEN 168W AND 171W WINDS TO 25 KT. SEAS TO 4 M.

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 63N175W 998 MB MOVING NE 10 KT. FROM 53N TO 66N BETWEEN 161W
AND 172W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 65N166W 1002 MB. WITHIN 180 NM W AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE N OF 62N
BETWEEN 161W AND 172W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 52N173W 1004 MB MOVING NE 25 KT. WITHIN 420 NM E QUADRANT
AND WITHIN 300 NM E AND SE OF A FRONT EXTENDING FROM THE LOW TO
43N178E WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 55N157W 1009 MB. WITHIN 360 NM E AND SE OF
A FRONT TO EXTEND FROM 54N156W TO 47N175W WINDS 20 TO 30 KT. SEAS
TO 4 M.
.48 HOUR FORECAST LOW 56N148W 1005 MB. FROM 45N TO 50N BETWEEN
135W AND 163W WINDS TO 25 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW W OF AREA 46N159E 1005 MB MOVING NE 30 KT. FROM 39N TO 44N
BETWEEN 160E AND 163E WINDS TO 25 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 46N168E 1003 MB.
WITHIN 180 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 48N176E 1006 MB. FROM 43N TO 49N BETWEEN
179W AND 172E WINDS 20 TO 30 KT. SEAS TO 3.5 M. ELSEWHERE FROM
38N TO 43N BETWEEN 163E AND 171E WINDS LESS THAN 25 KT. SEAS TO 3
M.
.48 HOUR FORECAST LOW 50N168W 1010 MB. CONDITIONS DIMINISHED.

...GALE WARNING...
.FROM 46N TO 51N BETWEEN 126W AND 132W AREA OF N TO NW WINDS 25
TO 35 KT. SEAS TO 4 M. ELSEWHERE WITHIN 360 NM W AND NW OF A LINE
FROM 46N126W TO 40N130W TO 33N143W AREA OF N TO NE WINDS 20 TO 30
KT. SEAS TO 4 M.
.24 HOUR FORECAST FROM 46N TO 50N BETWEEN 125W AND 132W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 3 M. ELSEWHERE WITHIN 360 NM NW OF
A LINE FROM 41N125W TO 30N147W WINDS LESS THAN 25 KT. SEAS TO 3
M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.LOW 35N170W 1014 MB MOVING NW 15 KT. FROM 31N TO 38N BETWEEN
167W AND 170W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 32N TO 42N BETWEEN 119W AND 127W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM EITHER
SIDE OF A LINE FROM 52N133W TO 48N150W TO 46N161W...AND WITHIN
150 NM EITHER SIDE OF A LINE FROM 52N171W TO 44N177E TO 45N160E.
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM
55N149W TO 48N137W TO 43N155W TO 45N164W TO 55N149W...AND WITHIN
AN AREA BOUNDED BY A LINE FROM 50N164W TO 43N178W TO 41N164E TO
47N166E TO 50N164W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 50N BETWEEN 141W TO 174E.

.FORECASTER HUFFMAN. OCEAN PREDICTION CENTER.

NWS 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 12.
24 HOUR FORECAST VALID 1200 UTC WED AUG 13.
48 HOUR FORECAST VALID 1200 UTC THU AUG 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ENTIRE AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1500 UTC TUE AUG 12...

.TROPICAL WAVE WITH AXIS NEAR 97W...SCATTERED MODERATE TO
ISOLATED STRONG CONVECTION IS OBSERVED FROM 10N TO 15N BETWEEN
92W AND
104W...AND FROM 06N TO 10N BETWEEN 100W AND 103W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS FROM 11N85W TO 10N97W TO 08N115W TO
12N122W TO 12N134W. THE ITCZ CONTINUES FROM 12N134W TO BEYOND
12N140W. ASIDE FROM THE CONVECTION ASSOCIATED WITH THE TROPICAL
WAVE...SCATTERED MODERATE CONVECTION IS ONGOING FROM 03N TO 08N
BETWEEN 80W AND 85W...FROM 06N TO 13N BETWEEN 107W AND 121W...AND
FROM 10N TO 15N W OF 120W.

.FORECASTER GR. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC AUG 12 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 13 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 14 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 25N178E 1010 MB MOVING NE SLOWLY. FRONT 30N170W 25N175W
26N175W TO LOW THENCE TROUGH TO 25N169E. FRONT NEARLY
STATIONARY. ISOLATED MODERATE TSTMS WITHIN 270 NM OF FRONT.
.24 HOUR FORECAST LOW 27S179W 1010 MB. FRONT WEAKENED TO TROUGH
30N175W TO LOW TO 24N175W 24N171E. SW WINDS 20 TO 25 KT FROM
28N TO 25N BETWEEN 177W AND 179W.
.48 HOUR FORECAST LOW MOVED N OF AREA. TROUGH FROM 30N176E
26N174E. WINDS DECREASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF 26N BETWEEN 177W
AND 179W.

.SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA.

.ITCZ 13N140W 11N157W. ISOLATED MODERATE TSTMS WITHIN 210
NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 07N TO 02N BETWEEN 174W
178W.

$$

.FORECASTER THOMAS. HONOLULU HI.