Expires:No;;756323
FZPN02 KWBC 160525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT OCT 16 2021

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 OCT 16. 
24 HOUR FORECAST VALID 0000 UTC OCT 17.
48 HOUR FORECAST VALID 0000 UTC OCT 18.

.WARNINGS.

...TROPICAL STORM WARNING...
.12 HOUR FORECAST TROPICAL STORM NAMTHEUN 31.5N 165.5E. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS TO 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NE...100 NM SE...40 NM SW...AND 40 NM NW QUADRANTS.
SEAS 12 FT OR GREATER WITHIN 120 NM NE...240 NM SE...120 NM
SW...AND 120 NM NW QUADRANTS WITH SEAS TO 22 FT. 
.24 HOUR FORECAST TROPICAL STORM NAMTHEUN 33.8N 165.9E. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NE...80 NM SE...30 NM SW...AND 50 NM NW QUADRANTS.
SEAS 12 FT OR GREATER WITHIN 240 NM NE...300 NM SE...150 NM
SW...AND 90 NM NW QUADRANTS WITH SEAS TO 21 FT. ELSEWHERE S OF
39N W OF 172E WINDS 20 TO 33 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST TROPICAL STORM NAMTHEUN 39.3N 168.8E. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM NE...90 NM SE...50 NM SW...AND 20 NM NW QUADRANTS.
SEAS 12 FT OR GREATER WITHIN 240 NM NE...240 NM SE...240 NM
SW...AND 180 NM NW QUADRANTS WITH SEAS TO 20 FT. ELSEWHERE FROM
32N TO 42N W OF 175E WINDS 20 TO 33 KT. SEAS 8 TO 16 FT.
.72 HOUR FORECAST...POST-TROPICAL CYCLONE NAMTHEUN 45.5N 179.3W.
MAX SUSTAINED WINDS 30 KT GUSTS TO 40 KT.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 56N168E 980 MB MOVING SE 15 KT AND
SECOND CENTER 52N160E 986 MB MOVING E 35 KT. N OF 40N W OF 173W
WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST COMPLEX LOW ABSORBED BY NEW LOW 59N178W 969 MB.
WITHIN 180 NM N AND NE OF FRONT FROM 58N179E TO 60N173W TO
57N165W...240 NM SE OF FRONT FROM 53N164W TO 46N172W...AND
BETWEEN 240 NM AND 540 NM S QUADRANT WINDS 40 TO 55 KT. SEAS 14
TO 26 FT. ELSEWHERE WITHIN 540 NM E...840 NM S...660 NM W
QUADRANTS...360 NM NE AND E OF FRONT FROM LOW CENTER TO 60N173W
TO 58N167W TO 54N164W...AND 600 NM E AND SE OF FRONT FROM 54N165W
TO 42N179W WINDS 25 TO 40 KT. SEAS 8 TO 18 FT. ALSO N OF 41N W OF
176E WINDS LESS THAN 25 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N156W 976 MB.
FRONT TO EXTEND FROM LOW CENTER TO 56N150W TO 54N146W TO 49N146W
TO 43N155W TO 39N169W. WITHIN 240 NM N...E...AND SE OF FRONT N OF
41N AND FROM 51N TO 59N BETWEEN 160W AND 171W WINDS 35 TO 50 KT.
SEAS 10 TO 21 FT. ELSEWHERE N OF 36N BETWEEN 137W AND
180W...EXCEPT WITHIN 300 NM SE QUADRANT...WINDS 25 TO 40 KT. SEAS
8 TO 18 FT...EXCEPT FROM 43N TO 56N BETWEEN 177E AND 158W SEAS 13
TO 26 FT.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 55N148W 999 MB MOVING SE 20 KT AND
SECOND CENTER 52N146W 998 MB MOVING E 10 KT. WITHIN 150 NM
N...660 NM W...AND 720 NM SW QUADRANTS OF FIRST CENTER AND 480 NM
SE AND 360 NM E QUADRANTS OF SECOND CENTER WINDS 25 TO 40 KT.
SEAS 8 TO 18 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 48N140W 1004 MB
AND SECOND CENTER 52N138W 1002 MB. FROM 38N TO 56N BETWEEN 134W 
AND
150W WINDS 25 TO 40 KT. SEAS 8 TO 20 FT...HIGHEST NEAR 47N142W.
.48 HOUR FORECAST LOW DISSIPATED. FROM 35N TO 44N BETWEEN 123W
AND 133W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 35N
TO 50N BETWEEN 126W AND 142W WINDS LESS THAN 25 KT. SEAS TO 12
FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 36N169E 1006 MB. EXCEPT WHERE
DESCRIBED WITH TROPICAL STORM NAMTHEUN...S OF 39N BETWEEN 166E
AND 176E WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 360
NM W QUADRANT WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 40N176E 1012 MB. WITHIN 360 NM OF LOW
CENTER WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 48N130W 1008 MB MOVING NE 15 KT. FRONT EXTENDS FROM LOW
CENTER TO 37N147W TO 34N157W TO 34N166W TO 39N178W. WITHIN 300 NM
E QUADRANT WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 300
NM SE OF FRONT E OF 141W AND 120 NM N OF FRONT W OF 141W WINDS 20
TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW MOVED INLAND NEAR 53N123W 1005 MB. FRONT TO
EXTEND FROM LOW CENTER TO 45N127W TO 36N136W TO 32N147W TO
30N162W. WITHIN 150 NM W AND NW OF FRONT AND 120 NM SE OF FRONT N
OF 39N WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST LOW NW OF AREA. N OF 43N W OF 175E AND FROM
38N TO 43N BETWEEN 168E AND 178E WINDS 25 TO 40 KT. SEAS 8 TO 15
FT.

.SYNOPSIS AND FORECAST.

.LOW 60N148W 1004 MB MB NEARLY STATIONARY. WITHIN 150 NM W
QUADRANT WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 60N148W 1008 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 53N
BETWEEN 164E AND 175E AND WITHIN 90 NM NE OF A LINE FROM 59N179E
TO 55N173W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM SE OF A LINE FROM
47N171W TO 44N173W AND WITHIN 180 NM N AND NE OF FRONT FROM
59N179W TO 60N169W TO 57N162W.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM NE OF A LINE FROM
58N156W TO 56N147W AND FROM 39N TO 43N BETWEEN 163E AND 171E.

.HIGH 36N133W 1023 MB MOVING SW 20 KT.
.24 HOUR FORECAST HIGH 31N142W 1020 MB.
.48 HOUR FORECAST HIGH MOVED S OF AREA.

.HIGH 43N168W 1033 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH 41N157W 1030 MB.
.48 HOUR FORECAST HIGH 36N141W 1023 MB.

.24 HOUR FORECAST HIGH 46N163E 1021 MB.
.48 HOUR FORECAST HIGH 47N179E 1026 MB.

.48 HOUR FORECAST NEW HIGH 33N176W 1024 MB.

.FORECASTER JOSEPH. 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 0000 UTC SAT OCT 16.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 17.
48 HOUR FORECAST VALID 0000 UTC MON OCT 18.

.WARNINGS.

...GALE WARNING...
.12 HOUR FORECAST WITHIN 14N95W TO 14N96W TO 15N96W TO 16N95W TO
16N94W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 14N95W TO 14N96W TO 16N96W TO 16N94W TO
15N94W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
25 TO 35 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 14N94W TO 13N95W TO 14N96W TO 16N96W TO
16N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
25 TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 10N99W TO 12N98W 
TO 14N96W TO 13N95W TO 12N95W TO 10N99W WINDS 20 KT OR LESS. SEAS
8 TO 9 FT IN N TO NE SWELL. 

.SYNOPSIS AND FORECAST.

.WITHIN 26N120W TO 25N128W TO 30N138W TO 30N120W TO 26N120W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
8 FT IN NW SWELL.

.WITHIN 09N127W TO 06N131W TO 06N140W TO 18N140W TO 15N128W TO
09N127W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 03N107W TO 04N122W TO 07N119W TO 07N111W TO 10N104W TO
03N107W WINDS 20 KT OR LESS. SEAS 8 FT IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 04N101W TO 04N112W TO 08N115W TO 
10N108W TO 07N101W TO 04N101W WINDS 20 KT OR LESS. SEAS 8 FT IN W
SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 30N113W TO 30N114W TO 30N115W TO 31N115W TO 31N114W TO
30N113W...INCLUDING GULF OF CALIFORNIA...NW TO N 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 0330 UTC SAT OCT 16...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 12N87W TO 13N95W TO 12N104W TO 
12N115W TO 15N126W TO 12N140W. SCATTERED MODERATE FROM 05N TO 
13N AND E OF 112W AND FROM 08N TO 16N AND W OF 115W. 

.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC OCT 16 2021.
24 HOUR FORECAST VALID 0000 UTC OCT 17 2021.
48 HOUR FORECAST VALID 0000 UTC OCT 18 2021.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM NAMTHEUN 29.3N 164.2E 989 MB MOVING NE 17 KT.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 70 KT. WINDS 34 KT OR GREATER
WITHIN 70 NM NE QUADRANT...100 NM SE QUADRANT...60 NM SW
QUADRANT...40 NM NW QUADRANT. WINDS 20 TO 33 KT ELSEWHERE FROM
23N TO 30N BETWEEN 174E AND 161E. SEAS 12 FT OR HIGHER WITHIN 150
NM OF CENTER. MORE SEAS DESCRIBED BELOW. SCATTERED TO LOCALLY
NUMEROUS MODERATE WITHIN 210 NM OF LOW.
.24 HOUR FORECAST TROPICAL STORM NAMTHEUN MOVED N OF FORECAST
AREA 33.8N 165.9E. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
WINDS 20 TO 25 KT OVER FORECAST WATERS N OF 27N BETWEEN 172E AND
167E. SEAS DESCRIBED BELOW.
.48 HOUR FORECAST TROPICAL STORM NAMTHEUN FAR N OF FORECAST AREA
37.3N 166.7E. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. WINDS
EASED TO 20 KT OR LESS AND SEAS SUBSIDED TO 8 FT OR LESS OVER
FORECAST WATERS.

SEE TROPICAL CYCLONE BULLETIN ISSUED BY JOINT TYPHOON WARNING 
CENTER
UNDER WMO HEADER WTPN32 PGTW FOR FURTHER DETAILS. FORECAST WINDS 
NEAR
TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY 
IN
FORECAST TRACK...SIZE...AND INTENSITY.

.SYNOPSIS AND FORECAST.

.TROUGH 29N143W 24N142W MOVING W 10 KT AND DISSIPATING.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE 30N178W 16N169E 12N160E NEARLY STATIONARY.

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 TO 12 FT ELSEWHERE N OF 24N BETWEEN 171E AND 161E.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 28N BETWEEN 172E AND 165E.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LESS OVER FORECAST
WATERS.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.MONSOON TROUGH 11N140W 11N145W 10N154W 10N165W. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH.

.ITCZ 10N165W 07N160E. SCATTERED MODERATE TSTMS WITHIN 240 NM OF
ITCZ BETWEEN 168W AND 173E.


$$

.HONOLULU FORECAST OFFICE.