High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 172325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED JAN 17 2018

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1800 UTC JAN 17.
24 HOUR FORECAST VALID 1800 UTC JAN 18.
48 HOUR FORECAST VALID 1800 UTC JAN 19.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.INTENSIFYING LOW 41N167E 1009 MB MOVING NE 40 KT. WITHIN 300 NM
SE...480 NM SW...AND 120 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
10 TO 16 FT.
.24 HOUR FORECAST LOW 46N173W 988 MB. WITHIN 180 NM S AND SW
QUADRANTS WINDS 50 TO 65 KT. SEAS 18 TO 36 FT. WITHIN 420 NM
SE...300 NM SW AND W...AND 180 NM N AND NE QUADRANTS WINDS 35 TO
50 KT. SEAS 12 TO 28 FT. ELSEWHERE WITHIN 660 NM SE...360 NM
SW...420 NM NW...AND 180 NM NE QUADRANTS WINDS 25 TO 35 KT. SEAS
8 TO 16 FT.
.48 HOUR FORECAST LOW 51N154W 986 MB. WITHIN 240 NM S AND SW
QUADRANTS WINDS 40 TO 50 KT. SEAS 18 TO 35 FT. ELSEWHERE WITHIN
660 NM SE...480 NM SW AND W...AND 300 NM N AND NE QUADRANTS
WINDS 25 TO 40 KT. SEAS 15 TO 30 FT.

...STORM WARNING...
.LOW 47N138W 965 MB MOVING NE 15 KT. WITHIN 240 NM W AND 420 NM
S SEMICIRCLES WINDS 45 TO 60 KT. SEAS 24 TO 46 FT. BETWEEN 300
NM AND 540 NM NE QUADRANT WINDS 40 TO 50 KT. SEAS 16 TO 28 FT.
ELSEWHERE WITHIN 720 NM S...1140 NM W...480 NM N...AND 540 NM E
QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 30 FT...HIGHEST S.
.24 HOUR FORECAST LOW 51N134W 973 MB. WITHIN 210 NM NE AND 360 S
AND SW QUADRANTS WINDS 40 TO 50 KT. SEAS 20 TO 40 FT. ELSEWHERE
WITHIN 600 NM SE...1020 NM SW AND W...AND 360 NM N AND NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 15 TO 34 FT...HIGHEST SE.
.48 HOUR FORECAST LOW 51N131W 994 MB. WITHIN 180 NM NE
SEMICIRCLE AND FROM 33N TO 53N BETWEEN 128W AND 142W WINDS 25 TO
40 KT. SEAS 15 TO 28 FT.

...STORM WARNING...
.LOW 54N171E 982 MB MOVING NE 10 KT. WITHIN 300 NM SW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 16 TO 28 FT. ELSEWHERE OVER FORECAST
WATERS WITHIN 420 NM NE...960 NM SE...AND 540 NM SW QUADRANTS
WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.24 HOUR FORECAST LOW 54N175E 994 MB. WITHIN 420 NM N AND NE
QUADRANTS...AND 420 NM SW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10
TO 22 FT...HIGHEST S.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF AREA 40N157E 969 MB. OVER FORECAST
WATERS WITHIN 360 NM NE AND 540 NM SE QUADRANTS WINDS 45 TO 60
KT. SEAS 15 TO 32 FT. ELSEWHERE WITHIN 480 NM NE AND 660 NM SE
QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 45N164E 969 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 40 TO 55 KT. SEAS 25 TO 40 FT. ELSEWHERE WITHIN
480 NM N...840 NM E...AND 660 NM S QUADRANTS WINDS 30 TO 45 KT.
SEAS 16 TO 32 FT...HIGHEST S QUADRANT.

...GALE WARNING...
.LOW 58N153W 984 MB NEARLY STATIONARY. OVER ICE FREE FORECAST
WATERS WITHIN 420 NM SW AND W QUADRANTS WINDS 25 TO 35 KT. SEAS
10 TO 13 FT. ELSEWHERE WITHIN 240 NM E SEMICIRCLE WINDS 20 TO 30
KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 58N153W 995 MB. WITHIN 360 NM SW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 58N146W 999 MB. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.FROM 30N TO 32N BETWEEN 171W AND 176E WINDS 25 TO 35 KT. SEAS 9
TO 14 FT.
.24 HOUR FORECAST LOW 32N174W 1005 MB. N OF 30N WITHIN 480 NM E
AND SE QUADRANTS...AND WITHIN 240 NM N AND NW SEMICIRCLES WINDS
30 TO 45 KT. SEAS 12 TO 20 FT.
.48 HOUR FORECAST LOW 37N163W 1006 MB. N OF 30N WITHIN 540 NM SE
QUADRANT AND 240 NM NW AND N SEMICIRCLES WINDS 25 TO 40 KT. SEAS
10 TO 22 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 62N AND W OF ALASKA.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N AND
W OF ALASKA.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST OVER ICE FREE FORECAST WATERS N OF 57N BETWEEN
162W AND 173W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 11 FT.

.HIGH 38N168W 1033 MB MOVING E 25 KT.
.24 HOUR FORECAST HIGH 37N155W 1038 MB.
.48 HOUR FORECAST HIGH 36N143W 1037 MB.

.HIGH 32N166E 1025 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 35N176E 1021 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 42N174E 1023 MB.
.48 HOUR FORECAST HIGH 43N172W 1024 MB.

.FORECASTER HUFFMAN. 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 1800 UTC WED JAN 17.
24 HOUR FORECAST VALID 1800 UTC THU JAN 18.
48 HOUR FORECAST VALID 1800 UTC FRI JAN 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 75 NM EITHER SIDE OF A LINE FROM 16N95W TO 11.5N97W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 KT.
SEAS 11 TO 19 FT. ELSEWHERE WITHIN 120 NM EITHER SIDE OF A LINE
FROM 16N95W TO 12N97W TO 10.5N101W N TO NE WINDS 20 TO 30 KT.
SEAS 10 TO 14 FT. REMAINDER OF AREA BOUNDED BY 16N95W TO 12N91W
TO 03N101W TO 13N101W TO 16N95W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13N96.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 90 NM EITHER
SIDE OF A LINE FROM 16N95W TO 13N96W TO 11N102W N TO NE WINDS 20
TO 30 KT. SEAS 10 TO 14 FT. REMAINDER OF AREA BOUNDED BY
16N103W TO 15N93W TO 09N87W TO 03.4S103W TO 16N103W WINDS 20 KT
OR LESS. SEAS 8 TO 14 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST WITHIN 75 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 25 KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT APPROACHING 30N140W NW OF AREA. W OF A LINE FROM
30N115W TO 13N101W TO 03N101W TO 03.4S109W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN MIXED S AND NW SWELL...HIGHEST CENTRAL PART.
.24 HOUR FORECAST COLD FRONT FROM 30N131W TO 27N135W TO 25N140W.
W OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS 12 TO 16 FT IN MIXED
SWELL. ELSEWHERE W OF A LINE FROM 30N115W TO 16N103W TO 03.4S103W
WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED SWELL.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N123W TO
24N132W.
W OF A LINE FROM 30N126W TO 26N126W TO 13N134W N TO NE WINDS 20
TO 30 KT. SEAS 11 TO 15 FT IN MIXED SE AND NW SWELL. ELSEWHERE W
OF A LINE FROM 30N115W TO 23N111W TO 18N116W TO 11N89W TO
03.4S93W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL.

.WITHIN 45 NM EITHER SIDE OF A LINE FROM 11N86W TO 08N88W...
INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8
FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2100 UTC WED JAN 17...

.COLD FRONT APPROACHING 30N140W NW OF AREA...SCATTERED MODERATE W
OF A LINE FROM 30N139W TO 29N140W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 08N77W TO LOW PRES NEAR 06N79W TO 06N84W
TO 05N93W. ITCZ AXIS EXTENDS FROM 05N93W TO 07N106W TO 06N115W TO
09N135W THEN RESUMES FROM 09N139W TO 09N140W. SCATTERED MODERATE
WITHIN 120 NM SW SEMICIRCLE OF LOW AND WITHIN 45 NM EITHER SIDE
OF AXIS BETWEEN 104W AND 115W. SCATTERED MODERATE ISOLATED
STRONG WITHIN AREA BOUNDED BY 12N140W TO 16N128W TO 11N115W TO
04N115W TO 04N126W TO 08N133W TO 06N140W TO 12N140W.

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC JAN 17 2018.
24 HOUR FORECAST VALID 1800 UTC JAN 18 2018.
48 HOUR FORECAST VALID 1800 UTC JAN 19 2018.

.WARNINGS.

...STORM WARNING...
.LOW NEAR 27N177E 1011 MB MOVING NE 25 KT. WARM FRONT FROM LOW
TO 28N179W TO 26N172W. COLD FRONT FROM LOW TO 24N175E TO 21N170E
TO 19N160E. WINDS 45 TO 55 KT WITHIN 90 NM OF LOW CENTER NW
SEMICIRCLE OF LOW. WINDS E TO N 30 TO 45 KT ELSEWHERE WITHIN 180
NM N OF FRONTAL BOUNDARY BETWEEN 172E AND 175W. WINDS SE TO NE
20 TO 30 KT ELSEWHERE WITHIN 360 NM N OF FRONTAL BOUNDARY. ALSO
WINDS 30 TO 45 KT WITHIN 90 NM OF LOW CENTER SE SEMICIRCLE.
WINDS SE TO SW 20 TO 30 KT ELSEWHERE WITHIN 300 NM S OF FRONTAL
BOUNDARY E OF 172E. NUMEROUS MODERATE TSTMS WITHIN 240 NM SE AND
S OF FRONTAL BOUNDARY BETWEEN 170E AND 172W.
.12 HOUR FORECAST LOW NEAR 28N179W 1011 MB. WARM FRONT FROM LOW
TO 30N177W. COLD FRONT FROM LOW TO 26N179E TO 21N175E. WINDS 30
TO 45 IT WITHIN 180 NM OF LOW CENTER. WIND NE TO N 20 TO 30 KT
ELSEWHERE WITHIN 240 NM N OF FRONTAL BOUNDARY E OF 165E. WINDS
SE TO SW 20 TO 30 KT ELSEWHERE WITHIN 240 NM S OF FRONTAL
BOUNDARY E OF 177E.
.24 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 32N173W 1007
MB. WARM FRONT N OF FORECAST AREA. COLD FRONT FROM LOW TO
29N175W TO 25N179E TO 21N176E. WINDS N TO NE 20 TO 30 KT OVER
FORECAST WATERS N OF FRONT E OF 177E. WINDS SE TO S 30 TO 35 KT
N OF 28N WITHIN 300 NM E OF FRONT. WINDS SE TO SW 20 TO 30 KT
ELSEWHERE N OF 24N WITHIN 480 NM E OF FRONT.
.48 HOUR FORECAST LOW FAR N OF FORECAST AREA. FRONT FROM LOW TO
30N168W TO 26N172W TO 24N177W. WINDS SE TO S 20 TO 30 KT N OF
24N WITHIN 480 NM E OF FRONT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N142W TO 26N149W MOVING SE 15 KT THENCE A
DISSIPATING STATIONARY FRONT TO 24N160W TO 24N172W. ASSOCIATED
WINDS INCLUDED BELOW.
.24 HOUR FORECAST FRONT FROM 24N140W TO 23N146W.
.48 HOUR FORECAST FRONT DISSIPATED.

.RIDGE BUILDING OVER FORECAST AREA.
.24 HOUR FORECAST RIDGE FROM 30N171E TO 26N160E.

.RIDGE BUILDING OVER FORECAST AREA.
.48 HOUR FORECAST RIDGE FROM 30N148W TO 25N163W.

.OTHERWISE AND ELSEWHERE WIND E 20 TO 30 KT WITHIN A POLYGON
BOUND BY 30N172W 30N160W 20N155W 10N143W 07N175E 14N170E 20N172W
30N172W.
.12 HOUR FORECAST WINDS NE TO E 20 TO 30 KT WITHIN A POLYGON
BOUND BY 30N168W 30N145W 20N140W 10N140W 08N175E 20N172W
30N168W.
.24 HOUR FORECAST WINDS NE TO SE 20 TO 30 KT WITHIN A POLYGON
BOUND BY 30N164W 30N140W 10N140W 07N157W 07N177E 20N167W
30N164W.
.48 HOUR FORECAST WINDS NE TO SE 20 TO 30 KT WITHIN A POLYGON
BOUND BY 30N156W 30N140W 10N140W 08N170W 15N170W 20N160W
30N156W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 20 FT N OF A LINE FROM 29N140W TO 25N150W TO
24N160W... AND ALSO WITHIN 120 EITHER SIDE OF A LINE FROM
29N176W TO 29N178E TO 26N174E. SEAS 8 TO 12 FT REMAINDER
FORECAST AREA...EXCEPT SEAS 8 FT OR LOWER S OF 08N W OF 170E.
.24 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 25N140W TO
20N150W...AND ALSO N OF 28N BETWEEN 179E AND 167W. SEAS 8 TO 12
FT REMAINDER FORECAST AREA...EXCEPT SEAS 8 FT OR LOWER S OF 08N
W OF 170E.
.48 HOUR FORECAST SEAS 12 TO 16 FT WITHIN 210 NM EITHER SIDE OF
A LINE FROM 25N140W TO 20N150W...AND ALSO N OF A LINE FROM
30N171E TO 26N165E TO 26N160E. SEAS 8 TO 12 FT REMAINDER
FORECAST AREA... EXCEPT SEAS 8 FT OR LOWER S OF 08N W OF 170E.

.ITCZ FROM 11N140W TO 06N157W TO 04N172W TO 07N174E. SCATTERED
MODERATE TSTMS WITHIN 180 NM EITHER SIDE LINE OF CONVERGENCE.

.OTHERWISE ISOLATED MODERATE TO STRONG TSTMS S OF 10N W OF 174E.

$$

.FORECASTER BEDAL. HONOLULU HI.



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