East and Central North Pacific High Seas Forecast

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FZPN02 KWBC 211125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC TUE NOV 21 2017

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 

SYNOPSIS VALID 0600 UTC NOV 21. 
24 HOUR FORECAST VALID 0600 UTC NOV 22. 
48 HOUR FORECAST VALID 0600 UTC NOV 23. 

.WARNINGS. 

...STORM WARNING... 
.LOW NW OF AREA 65N179W 974 MB MOVING NE 15 KT. OVER ICE FREE 
FORECAST WATERS WITHIN 480 NM S AND 360 NM E QUADRANTS WINDS 40 
TO 55 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 720 NM S AND 540 NM 
SE QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. 
.24 HOUR FORECAST LOW N OF AREA 69N169W 973 MB. N OF 64N AND W 
OF ALASKA WINDS 35 TO 50 KT. SEAS 11 TO 22 FT. ELSEWHERE WITHIN 
420 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. 
.36 HOUR FORECAST LOW AND CONDITIONS WELL N OF AREA. 

...STORM WARNING... 
.LOW 43N137W 990 MB MOVING NW 15 KT. WITHIN 240 NM E OF A TROUGH 
FROM 40N136W TO 30N138W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. 
ELSEWHERE WITHIN 540 NM NE...600 NM E AND 720 NM SE QUADRANTS 
WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST LOW 49N140W 982 MB. WITHIN 240 NM N AND NW OF 
A LINE FROM 51N128W TO 51N138W TO 43N147W WINDS 25 TO 40 KT. 
SEAS 9 TO 18 FT. 
.30 HOUR FORECAST LOW 49N140W 980 MB. WITHIN 180 NM W SEMICIRCLE 
WINDS 35 TO 50 KT. SEAS 11 TO 22 FT. 
.48 HOUR FORECAST LOW 47N137W 990 MB. WITHIN 240 NM OF LOW 
CENTER EXCEPT N QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 22 FT. 
ELSEWHERE WITHIN 240 NM N QUADRANT WINDS TO 25 KT. SEAS TO 12 
FT.  

...STORM WARNING... 
.INTENSIFYING LOW W OF AREA 42N156E 1004 MB MOVING NE 40 KT. 
OVER FORECAST WATERS WITHIN 300 NM E SEMICIRCLE WINDS 25 TO 35 
KT. SEAS 10 TO 13 FT. 
.24 HOUR FORECAST LOW 55N174E 990 MB. OVER FORECAST WATERS 
WITHIN 600 NM S SEMICIRCLE AND 360 NM NE QUADRANT WINDS 25 TO 40 
KT. SEAS 8 TO 16 FT. 
.36 HOUR FORECAST LOW 59N177W 970 MB. BETWEEN 180 NM AND 360 NM 
E QUADRANT...ALSO WITHIN 300 NM S QUADRANT WINDS 40 TO 55 KT. 
SEAS 12 TO 24 FT...HIGHEST S.
.48 HOUR FORECAST LOW 61N168W 964 MB. WITHIN 420 NM S AND SW 
QUADRANTS WINDS 45 TO 60 KT. SEAS 18 TO 36 FT. ELSEWHERE WITHIN 
240 NM N SEMICIRCLE...660 NM SW AND 420 NM SE QUADRANTS WINDS 35 
TO 45 KT. SEAS 10 TO 28 FT...HIGHEST SW. ALSO WITHIN 840 NM SE 
QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.

...GALE WARNING... 
.LOW 50N150W 984 MB MOVING SE 30 KT. WITHIN 240 NM W QUADRANT 
WINDS 35 TO 45 KT. SEAS 19 TO 29 FT. ELSEWHERE BETWEEN 150W AND 
A LINE FROM 57N153W TO 46N165W TO 30N165W...AND WITHIN 150 NM N 
AND NE OF A FRONT FROM 55N150W TO 57N143W TO 56N137W TO 53N134W 
WINDS 25 TO 40 KT. SEAS 12 TO 26 FT...EXCEPT N OF FRONT SEAS 10 
TO 19 FT. ALSO WITHIN 420 NM E SEMICIRCLE WINDS TO 25 KT. SEAS 9 
TO 18 FT.
.24 HOUR FORECAST LOW 38N145W 994 MB. EXCEPT AS DESCRIBED ABOVE 
WITHIN 600 NM NW AND 540 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 
15 TO 29 FT. ELSEWHERE WITHIN 420 NM SE QUADRANT WINDS 20 TO 30 
KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 30N TO 45N BETWEEN 145W 
AND 157W WINDS 20 TO 30 KT. SEAS 10 TO 20 FT.

...GALE WARNING... 
.FROM 30N TO 35N BETWEEN 140W AND 148W WINDS 25 TO 35 KT. SEAS 8 
TO 16 FT. 
.24 HOUR FORECAST NEW LOW 42N140W 992 MB. WITHIN 540 NM SE 
QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 
720 NM SE QUADRANT...AND OVER FORECAST WATERS FROM 42N TO 50N E 
OF 133W WINDS 20 TO 30 KT. SEAS 8 TO 17 FT...HIGHEST N OF 42N.
.48 HOUR FORECAST LOW 54N133W 986 MB. WITHIN 300 NM SE QUADRANT 
WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE WITHIN 240 NM W 
SEMICIRCLE...AND FROM 41N TO 47N E OF 130W WINDS 20 TO 30 KT. 
SEAS TO 12 FT...EXCEPT E OF 130W SEAS 10 TO 16 FT. 

...GALE WARNING...
.24 HOUR FORECAST WITHIN THE REGION BOUNDED BY A LINE FROM 
56N158W TO 60N153W TO 58N148W TO 50N151W TO 48N158W TO 56N158W 
AREA OF N TO NW WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 39N169E 1012 MB. FRONT TO EXTEND FROM 
43N172E TO THE LOW TO 33N162E. WITHIN 120 NM E AND 300 NM W OF 
THE FRONT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 39N173E 1012 MB. WITHIN 420 NM NW 
SEMICIRCLE AND 180 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 
16 FT. ELSEWHERE FROM 30N TO 47N BETWEEN 165E AND 178W WINDS TO 
25 KT. SEAS TO 12 FT.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS 
N OF 62N W OF ALASKA. 
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 63N W OF 
ALASKA. 
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.LOW NW OF AREA 57N167E 1011 MB MOVING NE 30 KT. OVER FORECAST 
WATERS WITHIN 540 NM SW AND 360 NM SE QUADRANTS WINDS 20 TO 30 
KT. SEAS 10 TO 15 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.BETWEEN 30N AND A LINE FROM 36N169E TO 32N170W WINDS 20 TO 30 
KT. SEAS 8 TO 13 FT. 
.24 HOUR FORECAST BETWEEN 30N AND A LINE FROM 35N167E TO 32N180W 
WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED ABOVE WITH LOW 39N173E. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM E OF 
A LINE FROM 50N174W TO 46N178W. 
.24 HOUR FORECAST DENSE FOG FROM 44N TO 51N BETWEEN 174E AND 
176W. 
.48 HOUR FORECAST CONDITIONS IMPROVED. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 43N 
BETWEEN 125W AND 129W...ALSO WITHIN 120 NM OF 42N134W. 
.24 HOUR FORECAST DENSE FOG BETWEEN 126W AND A LINE FROM 50N132W 
TO 35N130W. 
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 37N127W.

.HIGH 31N124W 1019 MB NEARLY STATIONARY. 
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST HIGH 31N126W 1021 MB. 

.HIGH 40N176W 1033 MB MOVING E 10 KT. 
.24 HOUR FORECAST HIGH 40N173W 1031 MB.
.48 HOUR FORECAST HIGH 38N169W 1034 MB. 

.HIGH 49N174E 1030 MB MOVING NE 35 KT. 
.24 HOUR FORECAST HIGH 54N165W 1030 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 

.48 HOUR FORECAST HIGH 49N171E 1037 MB. 

.FORECASTER REINHART. 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 0600 UTC TUE NOV 21.
24 HOUR FORECAST VALID 0600 UTC WED NOV 22.
48 HOUR FORECAST VALID 0600 UTC THU NOV 23.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...

.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
WITHIN 120 NJ OF LINE FROM 11.5N96W TO 09N102W WINDS 20 KT OR
LESS. SEAS TO 9 FT PRIMARILY IN MIXED NE AND S SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 96W N WINDS 25 TO 35
KT. SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 13.5N95.5W
N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 
75 NM OF LINE FROM 16N95W TO 14N95W TO 12.5N96W N TO NE WINDS 20
TO 30 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N138W TO 25N140W. W OF LINE FROM 30N132W TO 
24N138W S WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST TROUGH DISSIPATED...COLD FRONT APPROACH. W OF 
LINE FROM 30N132W TO 26N136W SW WINDS 20 TO 25 KT. SEAS 8 TO 11 
FT. 
.48 HOUR FORECAST COLD FRONT FROM 30N138W TO 29N140W. W OF LINE 
FROM 30N132W TO 24N140W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT 
PRIMARILY IN NW SWELL...HIGHEST SEAS AT 30N140W.

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

CONVECTION VALID AT 0900 UTC TUE NOV 21...

.TROUGH FROM 30N137W TO 24N140W...SCATTERED MODERATE ISOLATED
STRONG WITHIN 150 NM OF LINE FROM 30N136W TO 25N140W.  

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 06N98W. ITCZ FROM 06N98W TO 
11N140W.
TROUGH FROM 09N130W TO 15N128W. ISOLATED MODERATE TO STRONG
WITHIN 45 NM OF 06.5N78W AND WITHIN 180 NM OF LINE FROM
08N122W TO 12N130W TO 12N137W TO 08N139W.   

.FORECASTER NELSON. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC NOV 21 2017.
24 HOUR FORECAST VALID 0600 UTC NOV 22 2017.
48 HOUR FORECAST VALID 0600 UTC NOV 23 2017.

.WARNINGS. 

...GALE WARNING... 
.TROUGH FROM 30N168E TO 27N168E TO 22N174E TO 17N176E NEARLY 
STATIONARY. SE WINDS 30 TO 35 KT FROM 25N AND 30N BETWEEN 173E 
AND 179E. E TO SE WINDS 20 TO 30 KT ELSEWHERE BETWEEN TROUGH AND 
176W. E TO NE WINDS 20 TO 25 KT N OF 22N BETWEEN 165W AND 176W. 
ISOLATED MODERATE TSTMS FROM 18N TO 29N BETWEEN 171E AND 175W. 
.24 HOUR FORECAST TROUGH FROM 30N166E TO 19N171E TO 14N167E. SE 
TO E WINDS 20 TO 30 KT BETWEEN TROUGH AND 175W N OF 17N. E TO NE 
WINDS 20 TO 25 KT N OF 18N BETWEEN 160W AND 175W. 
.48 HOUR FORECAST TROUGH FROM 30N169E TO 16N168E. SE TO E WINDS 
20 TO 25 KT BETWEEN TROUGH AND 174W. E TO NE WINDS 20 TO 25 KT 
FROM 15N TO 29N BETWEEN 156W AND 174W...AND FROM 23N TO 27N 
BETWEEN 153W AND 156W. 

.SYNOPSIS AND FORECAST. 

.TROUGH FROM 24N140W TO 21N143W TO 18N146W NEARLY STATIONARY. 
WINDS 20 TO 30 KT OVER FORECAST WATERS N OF LINE FROM 28N140W TO 
25N144W TO 30N148W. ISOLATED MODERATE TSTMS E OF LINE FROM 
17N145W TO 30N142W. 
.24 HOUR FORECAST TROUGH FROM 24N140W TO 18N143W. WINDS 20 TO 25 
KT N OF 28N E OF 159W. 
.48 HOUR FORECAST TROUGH FROM 24N140W TO 16N144W. N WINDS 20 TO 
25 KT N OF 27N BETWEEN 149W AND 156W. 

.RIDGE FROM 30N174W TO 25N168W TO 20N159W TO 19N150W NEARLY 
STATIONARY. 

.RIDGE FROM 30N161E TO 28N160W NEARLY STATIONARY AND WEAKENING. 

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

.SEAS 12 TO 14 FT N OF A LINE FROM 28N172E TO 22N179E...AND N OF 
27N BETWEEN 146W AND 150W. SEAS 8 TO 13 FT ELSEWHERE N OF LINES 
FROM 26N140W TO 16N152W TO 20N155W TO 22N160W...AND FROM 11N160W 
TO 11N175W TO 26N164E TO 26N160E. 
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF LINE FROM 30N146W TO 
27N157W TO 30N164W. SEAS 8 TO 13 FT ELSEWHERE N OF LINE FROM 
26N140W TO 18N148W TO 18N153W TO 21N156W TO 11N167W TO 11N179W 
TO 21N175E TO 24N166E TO 30N164E. 
.48 HOUR FORECAST SEAS 12 TO 16 FT N OF LINE FROM 27N140W TO 
23N148W TO 20N164W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 
24N140W TO 19N153W TO 19N159W TO 12N167W TO 12N179E TO 27N169E. 
SEAS 8 TO 11 FT N OF LINE FROM 301N167E TO 27N160E. 

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA. 

.MONSOON TROUGH FROM 12N140W TO 10N145W TO 10N149W. ISOLATED 
MODERATE TO STRONG TSTMS E OF 150W BETWEEN 08N AND 17N. 

.ITCZ FROM 10N151W TO 11N156W TO 08N166W TO 07N172W. ISOLATED 
MODERATE TSTMS WITHIN 120 NM OF ITCZ. 

.ISOLATED MODERATE TSTMS FROM 06N TO 08N W OF 180E...AND 
ELSEWHERE FROM 10N TO 14N BETWEEN 150W AND 180W. 

$$ 

.HONOLULU HI.