Expires:No;;064458
FZPN02 KWBC 171725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN JAN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 17. 
24 HOUR FORECAST VALID 1200 UTC JAN 18.
48 HOUR FORECAST VALID 1200 UTC JAN 19.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 40N160W 994 MB MOVING NE 35 KT AND RAPIDLY INTENSIFYING.
BETWEEN 120 NM AND 480 NM SW QUADRANT...AND WITHIN 240 NM E OF A
LINE FROM 42N157W TO 32N157W WINDS 40 TO 50 KT. SEAS 15 TO 26 FT.
ELSEWHERE WITHIN AREA BOUNDED BY A LINE FROM 30N178W TO 50N178W
TO 49N137W TO 40N146W TO 30N150W. WINDS 25 TO 40 KT. SEAS 12 TO
25 FT.
.24 HOUR FORECAST LOW 54N152W 968 MB. WITHIN 240 NM SE QUADRANT
WINDS 50 TO 60 KT. SEAS 25 TO 37 FT. ALSO WITHIN 420 NM E...300
NM S...AND 240 NM W QUADRANTS...AND WITHIN COOK INLET WINDS 40 TO
50 KT. SEAS 12 TO 28 FT...HIGHEST E AND S QUADRANTS. ELSEWHERE
WITHIN AREA BOUNDED BY A LINE FROM 30N165W TO 57N167W TO 62N143W
TO 48N135W TO 30N146W WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.30 HOUR FORECAST LOW 56N152W 968 MB. WITHIN 150 NM NE OF A LINE
FROM 60N149W TO 57N141W...AND BETWEEN 90 NM AND 180 NM E QUADRANT
WINDS 55 TO 65 KT. SEAS 19 TO 40 FT.
.48 HOUR FORECAST LOW INLAND NEAR 62N149W 989 MB. N OF 50N E OF
154W WINDS 25 TO 40 KT. SEAS 16 TO 27 FT...EXCEPT SEAS TO 11 FT
IN HECATE STRAIT.

...HURRICANE FORCE WIND WARNING...
.12 HOUR FORECAST LOW 37N163E 999 MB. WITHIN 240 NM SE
SEMICIRCLE...AND 120 NM W QUADRANT WINDS 40 TO 50 KT. SEAS 12 TO
18 FT.
.24 HOUR FORECAST LOW 40N175E 986 MB. WITHIN 180 NM SE..120 NM
SW...AND 90 NM W QUADRANTS WINDS 55 TO 65 KT. SEAS 20 TO 30 FT.
ALSO WITHIN 240 NM SE...180 NM SW...AND 120 NM W QUADRANTS...AND
WITHIN 240 NM E OF A LINE FROM LOW CENTER TO 35N171E WINDS 40 TO
55 KT. SEAS 14 TO 25 FT. ELSEWHERE WITHIN AREA BOUNDED BY A LINE
FROM 42N170E TO 46N169W TO 40N170W TO 30N180W TO 30N165E TO
42N170E WINDS 25 TO 40 KT. SEAS 11 TO 19 FT.
.48 HOUR FORECAST LOW 49N165W 988 MB. WITHIN 240 NM NE...300 NM
SE...240 NM S...AND 120 NM W QUADRANTS WINDS 40 TO 55 KT. SEAS 17
TO 30 FT. ELSEWHERE WITHIN 480 NM NE...AND 420 NM SW
QUADRANTS...AND WITHIN 300 NM SE OF A LINE FROM 41N166W TO
34N174W TO 30N173E WINDS 25 TO 40 KT. SEAS 10 TO 24 FT.

...STORM WARNING...
.LOW N OF AREA NEAR 52N160E 974 MB MOVING NE 05 KT. BETWEEN 240
NM AND 480 NM S QUADRANT...AND WITHIN 240 NM NE OF A FRONT FROM
51N164E TO 46N170E TO 42N170E WINDS 40 TO 50 KT. SEAS 14 TO 25
FT. ELSEWHERE W OF A LINE FROM 33N160E TO 40N175E TO 48N178E TO
56N174E WINDS 25 TO 40 KT. SEAS 9 TO 19 FT.
.24 HOUR FORECAST LOW N OF AREA NEAR 54N164E 969 MB. WITHIN 300
NM S QUADRANT WINDS 40 TO 50 KT. SEAS 18 TO 28 FT. ALSO WITHIN
360 NM E...AND 540 NM S QUADRANTS...AND WITHIN 240 NM N AND E OF
A LINE FROM 56N172E TO 51N177W TO 45N175W WINDS 25 TO 40 KT. SEAS
10 TO 20 FT. ELSEWHERE WITHIN 720 NM NE...AND 840 NM SE QUADRANTS
WINDS TO 25 KT SEAS 10 TO 18 FT...EXCEPT WHERE DESCRIBED WITH LOW
40N175E ABOVE.
.48 HOUR FORECAST LOW 55N168E 969 MB. WITHIN 480 NM SE...AND 420
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 25 FT.

...STORM WARNING...
.48 HOUR FORECAST NEW LOW 42N168E 986 MB. WITHIN 240 NM S
SEMICIRCLE..AND WITHIN 120 NM NW QUADRANT WINDS 40 TO 50 KT. SEAS
15 TO 21 FT. ELSEWHERE W OF A LINE FROM 46N165E TO 44N177E TO
37N178E TO 31N169E WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.

...GALE WARNING...
.FROM 36N TO 44N BETWEEN 127W AND 123W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 33N TO 44N BETWEEN 129W AND 123W AREA OF N
TO NW WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
.48 HOUR FORECAST FROM 30N TO 42N BETWEEN 129W AND 122W AREA OF N
TO NW WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.

...GALE WARNING...
.LOW 56N157W 986 MB MOVING NW 10 KT. FROM 50N TO 59N BETWEEN 174W
AND 132W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN
720 NM NE QUADRANT WINDS LESS THAN 25 KT. SEAS 12 TO 16 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 57N176W 988 MB. WITHIN 240 NM N
SEMICIRCLE...AND WITHIN 420 NM S QUADRANT WINDS 25 TO 40 KT. SEAS
9 TO 18 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 56N160W TO
57N170W TO 60N179W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 56N158W TO 57N169W TO 59N173W TO 59N179W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 57N165W TO 59N180W.

.SYNOPSIS AND FORECAST.

.EXCEPT WHERE DESCRIBED IN WARNINGS SECTION ABOVE FROM 30N TO 49N
BETWEEN 127W AND 150W WINDS LESS THAN 25 KT. SEAS 10 TO 22 FT IN
MIXED SWELL.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NE OF
A LINE FROM 41N128W TO 33N122W AND 360 NM SW OF A LINE FROM
39N132W TO 31N126W.
.24 HOUR FORECAST DENSE FOG FROM 30N TO 36N E OF 131W AND WITHIN
180 NM NE OF A LINE FROM 53N144W TO 49N134W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 52N BETWEEN 125W AND
133W.

.HIGH 34N178E 1030 MB MOVING E 25 KT.
.24 HOUR FORECAST HIGH 33N168W 1031 MB.
.48 HOUR FORECAST HIGH 38N155W 1032 MB.

.HIGH 40N179W 1030 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH MERGED WITH HIGH 33N168W.

.HIGH 44N133W 1034 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 48N130W 1036 MB.
.48 HOUR FORECAST HIGH INLAND.

.48 HOUR FORECAST NEW HIGH 44N132W 1032 MB.

.48 HOUR FORECAST NEW HIGH 40N174W 1017 MB.

.FORECASTER BYRD. 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 SUN JAN 17.
24 HOUR FORECAST VALID 1200 UTC MON JAN 18.
48 HOUR FORECAST VALID 1200 UTC TUE JAN 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 15N94W TO 14N95W TO 15N96W TO 16N95W TO 16N94W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT.
.18 HOUR FORECAST WITHIN 14N94W TO 14N95W TO 14N96W TO 16N96W TO
16N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 35 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS 8 TO 11 FT.
.30 HOUR FORECAST WITHIN 13N94W TO 13N96W TO 13N97W TO 16N96W TO
16N94W TO 13N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST WITHIN 15N94W TO 14N94W TO 15N95W TO 16N95W TO
16N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
20 TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 09N89W TO 10N91W TO 11N91W TO 12N87W TO 11N86W TO
09N89W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 10N86W TO 09N90W TO 10N90W TO 11N87W 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 11N86W TO 10N87W TO 10N94W TO 12N91W TO
12N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS TO 8 FT.

.WITHIN 10N124W TO 01N140W TO 30N140W TO 30N116W TO 10N124W
WINDS 20 KT OR LESS. SEAS 8 TO 17 FT IN NW SWELL...HIGHEST NEAR
30N140W.
.24 HOUR FORECAST WITHIN 10N117W TO 03N140W TO 30N140W TO 
30N117W TO 21N111W TO 10N117W WINDS 20 KT OR LESS. SEAS 8 TO 14 
FT IN NW SWELL...HIGHEST NEAR 30N131W.
.48 HOUR FORECAST WITHIN 03.4S113W TO 00N140W TO 30N135W TO
30N116W
TO 14N104W TO 03.4S113W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN
NW SWELL...HIGHEST NEAR 30N126W. WITHIN 10N98W TO 08N104W TO 
10N107W TO 12N108W TO 13N103W TO 10N98W WINDS 20 KT OR LESS. SEAS
8 TO 9 FT IN MIXED NE AND NW SWELL.

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

CONVECTION VALID AT 1500 UTC SUN JAN 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N76W TO 06N80W TO 08N86W TO 04N107W TO 
09N122W TO 07N130W. ITCZ FROM 07N130W TO 06N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 06N TO 14N BETWEEN 109W AND 121W. 
SCATTERED MODERATE FROM 08N TO 11N BETWEEN 128W AND 130W.



.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC JAN 17 2021.
24 HOUR FORECAST VALID 1200 UTC JAN 18 2021.
48 HOUR FORECAST VALID 1200 UTC JAN 19 2021.

.WARNINGS. 

...GALE WARNING... 
.FRONT 30N159W 22N170W 20N180W 28N160E MOVING SE 20 KT E OF 
170W... MOVING S 20 KT AND DISSIPATING BETWEEN 170W AND 
170E...MOVING NE 15 KT W OF 170E. N WINDS 30 TO 40 KT WITHIN 200 
NM N OF FRONT E OF 165E...WINDS 20 TO 30 KT ELSEWHERE N OF LINE 
30N147W 19N180W 22N170E 28N160E. 
.24 HOUR FORECAST FRONT 30N152W 19N159W. WINDS 30 TO 35 KT N OF 
28N BETWEEN 177E AND 168E...WINDS 20 TO 30 KT ELSEWHERE NW OF 
LINE 30N147W 07N167W 05N160E EXCEPT WINDS 20 KT OR LESS N OF 27N 
BETWEEN 167W AND 177W AND FROM 28N TO 17N W OF 168E. 
.48 HOUR FORECAST FRONT 30N149W 20N155W 17N160W. NE WINDS 20 TO 
25 KT BOUNDED BY 30N160W 30N150W 06N170W 05N160E 16N160E 
30N160W. 

.SYNOPSIS AND FORECAST. 

.24 HOUR FORECAST NEW FRONT 30N162E 28N160W. SEE WINDS WITH GALE 
WARNING. 
.48 HOUR FORECAST FRONT LITTLE CHANGE. SW WINDS 20 TO 30 KT NW 
OF LINE 30N175W 27N170E 28N160E. 

.ITCZ 06N140W 07N160E. SCATTERED STRONG TSTMS WITHIN 60 NM OF 
07N144W. ISOLATED MODERATE TSTMS WITHIN 60 NM OF ITCZ BETWEEN 
180W AND 163E. 

.RIDGE 30N140W 20N 165W 19N161W 19N175W MOVING SE 15 KT. 

.NE WINDS 20 TO 25 KT FROM 12N TO 07N E OF 157W AND W OF LINE 
20N160E 19N175E 06N170W 07N160E. 
.24 HOUR FORECAST E WINDS 20 TO 25 KT S OF 03N W OF 175W. 
.48 HOUR FORECAST SEE WINDS WITH GALE WARNING. 

.SEAS 18 TO 22 FT N OF 27N BETWEEN 168W AND 180W...SEAS 18 TO 19 
FT N OF LINE 27N140W 25N143W 30N144W...SEAS 12 TO 18 FT 
ELSEWHERE N OF LINE 22N140W 08N156W 08N172W 27N162W 20N176W 
26N166E 30N173E...SEAS 8 TO 12 FT ELSEWHERE. 
.24 HOUR FORECAST SEAS 18 TO 22 FT N OF LINE 30N159W 20N169W 
30N170W... SEAS 12 TO 18 FT ELSEWHERE N OF LINE 30N150W 20N160W 
15N170W 14N170E 20N168E 30N180W...SEAS 8 TO 12 FT ELSEWHERE. 
.48 HOUR FORECAST SEAS 12 TO 16 FT BOUNDED BY 30N163W 30N148W 
08N168W 06N172E 16N167E 30N163W...SEAS 8 TO 12 FT ELSEWHERE. 

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

$$ 
.HONOLULU FORECASTER.