FZPN02 KWBC 031725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC FRI DEC 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 03. 
24 HOUR FORECAST VALID 1200 UTC DEC 04. 
48 HOUR FORECAST VALID 1200 UTC DEC 05. 

.WARNINGS. 

...STORM WARNING... 
.LOW 37N158W 1012 MB MOVING S 20 KT. WITHIN 300 NM W AND 240 NM 
N QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 24 FT. ELSEWHERE FROM 
30N TO 43N BETWEEN 155W AND 171W WINDS 25 TO 40 KT. SEAS 11 TO 
20 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 
35N152W DESCRIBED BELOW. 

...STORM WARNING... 
.LOW 39N146W 1008 MB MOVING NE 35 KT. FRONT EXTENDS FROM LOW TO 
42N140W TO 42N135W. WITHIN 240 NM NW QUADRANT AND 240 NM N OF 
FRONT WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN 360 
NM NE AND E OF A LINE FROM LOW TO 30N152W WINDS 20 TO 30 KT. 
SEAS 8 TO 12 FT.  
.24 HOUR FORECAST LOW 46N130W 1009 MB. WITHIN 180 NM NW AND 120 
NM SE QUADRANTS WINDS 35 TO 50 KT. SEAS 9 TO 17 FT. ELSEWHERE 
FROM 41N TO 49N BETWEEN 126W AND 142W WINDS 25 TO 35 KT. SEAS 8 
TO 14 FT. 
.48 HOUR FORECAST LOW DISSIPATED INLAND. FROM 45N TO 49N E OF 
128W AREA OF N TO NW WINDS TO 25 KT. SEAS 8 TO 10 FT.

...STORM WARNING... 
.06 HOUR FORECAST RAPIDLY INTENSIFYING LOW 30N151W 1003 MB. FROM 
30N TO 33N BETWEEN 147W AND 155W WINDS 25 TO 35 KT. SEAS 9 TO 14 
FT. 
.24 HOUR FORECAST LOW 35N152W 978 MB. WITHIN 360 NM N AND 420 NM 
W QUADRANTS WINDS 45 TO 60 KT. SEAS 17 TO 30 FT. ELSEWHERE 
BETWEEN 139W AND A LINE FROM 44N161W TO 40N172W TO 30N179W WINDS 
25 TO 40 KT. SEAS 12 TO 25 FT...HIGHEST NEAR 32N162W. 
.48 HOUR FORECAST LOW 38N157W 988 MB. WITHIN 360 NM N AND NW 
QUADRANTS WINDS 40 TO 55 KT. SEAS 21 TO 33 FT. ELSEWHERE FROM 
30N TO 49N BETWEEN 137W AND A LINE FROM 49N155W TO 30N180W WINDS 
25 TO 40 KT. SEAS 10 TO 24 FT. 

...STORM WARNING... 
.06 HOUR FORECAST FROM 36N TO 47N W OF 169E AREA OF S TO SE 
WINDS 25 TO 35 KT. SEAS 10 TO 15 FT. 
.24 HOUR FORECAST LOW W OF AREA NEAR 53N163E 987 MB. WITHIN 600 
NM SE AND E QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 21 FT. 
ELSEWHERE WITHIN 780 NM E AND 840 NM SE QUADRANTS WINDS 20 TO 30 
KT. SEAS 10 TO 17 FT. 
.30 HOUR FORECAST LOW NW OF AREA NEAR 58N168E 979 MB. FROM 49N 
TO 58N BETWEEN 178W AND 173E WINDS 40 TO 50 KT. SEAS 14 TO 22 
FT. 
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 62N178E 956 MB. 
FRONT TO EXTEND FROM 64N171W TO 58N168W TO 50N179W TO 35N160E. W 
AND NW OF A LINE FROM 52N171E TO 56N178W TO 61N176W AND WITHIN 
240 NM NE AND E OF FRONT N OF 45N WINDS 35 TO 50 KT. SEAS 14 TO 
28 FT...EXCEPT NE AND E OF FRONT SEAS 12 TO 21 FT. ELSEWHERE 
WITHIN 420 NM E AND 780 NM S QUADRANTS AND WITHIN 360 NM E OF 
FRONT WINDS 25 TO 40 KT. SEAS 10 TO 19 FT. 

...GALE WARNING... 
.N OF 51N AND W OF A LINE FROM 66N168W TO 59N165W TO 51N167W 
WINDS 30 TO 45 KT. SEAS 13 TO 26 FT...HIGHEST NEAR 55N172E. 
ELSEWHERE N OF 48N W OF 164W AND WITHIN 240 NM E AND SE OF FRONT 
FROM 48N174W TO 44N178E WINDS 20 TO 30 KT. SEAS 8 TO 18 
FT...EXCEPT W OF 176W SEAS 11 TO 20 FT.
.24 HOUR FORECAST WITHIN 360 NM E OF A LINE FROM 57N168W TO 
48N168W TO 44N170W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.  
.48 HOUR FORECAST NEW LOW 55N150W 1021 MB. WITHIN 240 NM SW 
SEMICIRCLE AND N OF 53N BETWEEN 151W AND 155W WINDS TO 25 KT. 
SEAS TO 10 FT...HIGHEST SW OF LOW. 

...GALE WARNING... 
.LOW 57N144W 1011 MB MOVING SE 15 KT. WITHIN 300 NM S QUADRANT 
WINDS 25 TO 35 KT. SEAS 9 TO 18 FT...HIGHEST NEAR 54N138W. 
ELSEWHERE FROM 47N TO 59N E OF 152W WINDS TO 25 KT. SEAS 8 TO 16 
FT. 
.24 HOUR FORECAST LOW 55N135W 1016 MB. WITHIN 300 NM SW QUADRANT 
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS 
DIMINISHED. 

...GALE WARNING... 
.FROM 30N TO 36N BETWEEN 171W AND 170E AREA OF E TO NE WINDS 25 
TO 35 KT. SEAS 12 TO 22 FT...HIGHEST NEAR 30N168E. 
.24 HOUR FORECAST FROM 30N TO 35N BETWEEN 176W AND 170E WINDS TO 
25 KT. SEAS 8 TO 12 FT.  
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 58N150W TO 
56N154W TO 56N157W INCLUDING COOK INLET. ELSEWHERE LIGHT TO 
MODERATE FREEZING SPRAY N OF 55N BETWEEN 150W AND 158W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N 
BETWEEN 151W AND 154W INCLUDING COOK INLET. ELSEWHERE LIGHT TO 
MODERATE FREEZING SPRAY N OF A LINE 59N150W TO 57N155W TO 
58N170W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 57N 
BETWEEN 151W AND 157W INCLUDING COOK INLET. 

.SYNOPSIS AND FORECAST. 

.RESUSPENDED ASH FROM KATMAI VOLCANO HAS BEEN DETECTED BY 
SATELLITE OVER SHELIKOF STRAIT. EVEN THOUGH KATMAI ERUPTED AT 
1912Z YESTERDAY...FROM TIME TO TIME WHEN WIND CONDITIONS LINE 
UP...VOLCANIC ASH BECOMES AIRBORNE. TODAY THE RESUSPENDED ASH 
FROM KATMAI IS VISIBLE. WINDS WILL TRANSPORT TRACE AMOUNTS OF 
ASHFALL OVER SHELIKOF STRAIT AND PORTIONS OF KODIAK. THE 
RESUSPENDED ASH WILL DIMINISH AS THE WINDS DECREASE TONIGHT. 

.FROM 36N TO 46N BETWEEN 124W AND 130W AREA OF N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST FROM 35N TO 42N BETWEEN 124W AND 130W WINDS 
LESS THAN 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST WITHIN 240 NM E OF A LINE FROM 43N127W TO 
35N126W TO 30N124W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 9 
FT.  

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NE 
AND E OF A LINE FROM 62N175W TO 58N170W TO 52N170W. 
.24 HOUR FORECAST DENSE FOG FROM 46N TO 52N BETWEEN 124W AND 
132W...FROM 51N TO 58N BETWEEN 150W AND 157W AND FROM 40N TO 52N 
W OF 169E. 
.48 HOUR FORECAST DENSE FOG FROM 48N TO 58N BETWEEN 140W AND 
148W...FROM 56N TO 66N BETWEEN 161W AND 172W...WITHIN 120 NM SE 
OF A LINE FROM 52N179W TO 43N168E AND WITHIN 180 NM SE OF A LINE 
FROM 49N166E TO 46N161E. 

.HIGH 48N132W 1031 MB MOVING NE 15 KT. 
.24 HOUR FORECAST HIGH MOVED INLAND. 

.HIGH 40N177W 1044 MB MOVING SW 10 KT. 
.24 HOUR FORECAST HIGH 40N179E 1038 MB. 
.48 HOUR FORECAST HIGH 38N179E 1031 MB. 

.HIGH 46N173E 1039 MB MOVING NE 25 KT. 
.24 HOUR FORECAST HIGH 49N172W 1040 MB. 
.48 HOUR FORECAST HIGH 49N160W 1031 MB. 

.24 HOUR FORECAST NEW HIGH 50N148W 1028 MB. 
.48 HOUR FORECAST HIGH 52N132W 1035 MB. 

.48 HOUR FORECAST NEW HIGH 39N131W 1032 MB. 

.FORECASTER KOSIER. 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 FRI DEC 3.
24 HOUR FORECAST VALID 1200 UTC SAT DEC  4.
48 HOUR FORECAST VALID 1200 UTC SUN DEC  5.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 13N95W TO 12N97W TO 12N98W TO 16N96W TO 16N94W TO
13N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 14N95W TO 14N96W TO 16N96W TO 16N95W TO
16N94W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 
20 TO 30 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 15N94W TO 15N95W TO 16N95W TO 16N94W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.

.WITHIN 10N86W TO 09N88W TO 09N89W TO 10N89W TO 11N86W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 10N86W TO 10N88W TO 11N88W TO 12N86W TO
11N86W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 10N86W TO 10N87W TO 11N88W TO 11N87W TO
11N86W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.WITHIN 12N128W TO 12N133W TO 15N132W TO 15N129W TO 14N127W TO
12N128W E TO SE WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 15N132W TO 14N133W TO 14N136W TO
16N136W TO 16N133W TO 15N132W E TO SE WINDS 20 TO 25 KT. SEAS 8
FT.
.48 HOUR FORECAST WITHIN 12N130W TO 10N134W TO 13N135W TO
16N133W TO 16N131W TO 12N130W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1440 UTC FRI DEC 3...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 06N94W. ITCZ FROM 06N94W TO 
06N107W TO 10N128W. IT RESUMES FROM 10N134W TO BEYOND 09N140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 10N BETWEEN 115W 
AND 122W...FROM 09N TO 16N BETWEEN 122W AND 135W...AND FROM 08N 
TO 10N BETWEEN 135W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC DEC 03 2021.
24 HOUR FORECAST VALID 1200 UTC DEC 04 2021.
48 HOUR FORECAST VALID 1200 UTC DEC 05 2021.

.WARNINGS.

...GALE WARNING...
.LOW 11N166E 1006 MB. TROUGH FROM 30N162E 21N162E 16N163E TO LOW 
TO
08N167E 06N165E 05N163E 05N160E. LOW AND TROUGH MOVING W 25 KT. NE
TO E WINDS 30 TO 40 KT N OF 20N BETWEEN TROUGH AND 180E. SEE MORE
WINDS BELOW. NUMEROUS STRONG TSTMS FROM 10N TO 20N BETWEEN TROUGH
AND 180E. SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM OF 
TROUGH
S OF 10N.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 06N160E 03N163E. SEE
WINDS BELOW.
.48 HOUR FORECAST TROUGH MOVED W OF AREA. SEE WINDS BELOW.

...GALE WARNING...
.FRONT 30N152W 25N157W 22N162W 21N170W 22N180E MOVING E 25 KT. N 
TO
NE WINDS 30 TO 40 KT BETWEEN FRONT AND 26N W OF 164W. SEE MORE 
WINDS
BELOW. SCATTERED MODERATE TSTMS WITHIN 120 NM OF FRONT N OF 25N.
.24 HOUR FORECAST FRONT 30N146W 22N150W 16N160W 14N174W. S WINDS
30 TO 40 KT N OF 27N BETWEEN FRONT AND 142W. SEE MORE WINDS BELOW.
.48 HOUR FORECAST FRONT 30N145W 16N153W 09N164W THENCE TROUGH TO
06N173W. SEE WINDS BELOW.

...GALE WARNING...
.FRONT 30N157W 27N160W 26N164W MOVING E 20 KT. N WINDS 30 TO 40 KT
N OF FRONT. SEE MORE WINDS BELOW.
.24 HOUR FORECAST NEW FRONT 30N152W 25N155W 23N161W 24N167W. N 
WINDS
30 TO 40 KT N OF FRONT. SEE MORE WINDS BELOW.
.48 HOUR FORECAST FRONT 30N150W 25N160W 23N164W. N WINDS 30 TO
40 KT N OF 27N BETWEEN 170W AND 175W. SEE MORE WINDS BELOW.

...GALE WARNING...
.03 HOUR FORECAST. N WINDS 30 TO 35 KT AROUND THE MAIN HAWAIIAN
ISLANDS. FOR DETAILS SEE COASTAL WATERS FORECAST ISSUED BY NWS
HONOLULU UNDER AWIPS HEADER HFOCWFHFO AND WMO HEADER FZHW50 PHFO.
SEE MORE WINDS BELOW.
.24 HOUR FORECAST SEE WINDS BELOW.
.48 HOUR FORECAST SEE WINDS BELOW.

.SYNOPSIS AND FORECAST.

.LOW 23N157W 1010 MB NEARLY STATIONARY. FRONT FROM LOW TO 20N160W
19N167W MOVING E SLOWLY. SEE WINDS BELOW. ISOLATED MODERATE TSTMS
WITHIN 60 NM OF LOW AND FRONT.
.24 HOUR FORECAST LOW DISSIPATED. FRONT ABSORBED BY FRONT 
DESCRIBED
IN SECOND GALE WARNING ABOVE. SEE WINDS BELOW.

.RIDGE 30N141W 21N151W MOVING E SLOWLY...AND GRADUALLY ERODING 
FROM
THE SW.

.WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N144W 12N179W 07N171W
16N165E 15N160E.
.24 HOUR FORECAST WINDS 20 TO 30 KT ELSEWHERE N OF LINE 23N140W
10N174E 14N160E.
.48 HOUR FORECAST WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N140W
16N150W 16N170W 10N173W 07N172E 10N160E.

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

.SEAS 18 TO 22 FT N OF LINE 25N180W 20N170E 19N162E. SEAS 12 TO
18 FT ELSEWHERE N OF LINE 26N159W 22N163W 20N180E 15N164E 18N160E.
SEAS 8 TO 12 FT ELSEWHERE N OF LINE 30N150W 08N178E 11N160E.
.24 HOUR FORECAST SEAS 18 TO 23 FT N OF 24N BETWEEN 159W AND 167W.
SEAS 12 TO 18 FT ELSEWHERE N OF LINE 30N144W 15N167W 15N160E. SEAS
8 TO 12 FT ELSEWHERE N OF LINE 30N140W 08N173W 06N160E.
.48 HOUR FORECAST SEAS 18 TO 20 FT N OF 22N BETWEEN 165W AND 173W.
SEAS 12 TO 18 FT ELSEWHERE IN AREA BOUNDED BY 30N145W 20N150W
10N178E 19N160E 27N160E 22N173E 30N177W 30N145W. SEAS 8 TO 12 FT
ELSEWHERE N OF LINE 30N140W 14N150W 05N176W 07N160E. SEAS 8 TO
11 FT N OF LINE 30N177W 22N173E 27N160E.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 10N140W 07N160W 07N169W 03N178E 03N174E. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF ITCZ.

$$

.FORECASTER AHUE. HONOLULU HI.