High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 211125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN JAN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

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

.WARNINGS.

...STORM WARNING...
.LOW 52N138W 985 MB MOVING N 15 KT. FRONT EXTENDS FROM LOW TO
56N138W TO 50N126W TO 35N148W. BETWEEN 240 NM AND 540 NM SW
QUADRANTS AND WITHIN 240 NM SE OF FRONT S OF 50N WINDS 30 TO 45
KT. SEAS 12 TO 23 FT. ELSEWHERE WITHIN 300 NM N AND 660 NM SW
SEMICIRCLES AND WITHIN 420 NM SE AND S OF FRONT WINDS 20 TO 30
KT. SEAS 8 TO 16 FT.
.06 HOUR FORECAST WITHIN 120 NM E AND SE OF FRONT TO EXTEND FROM
50N125W TO 41N129W TO 37N139W WINDS 40 TO 55 KT. SEAS 16 TO 27
FT.
.24 HOUR FORECAST LOW 57N142W 993 MB. WITHIN 780 NM SE AND 600
NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...STORM WARNING...
.OVER FORECAST WATERS FROM 30N TO 33N W OF 169E WINDS TO 25 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST LOW 36N163E 1011 MB. FROM 33N TO 40N BETWEEN
160E AND 175E WINDS 25 TO 40 KT. SEAS 8 TO 13 FT.
.42 HOUR FORECAST LOW 35N174E 1004 MB. WITHIN 360 NM N
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 34N177W 996 MB. WITHIN 240 NM NW
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 15 TO 22 FT. ELSEWHERE OVER
FORECAST WATERS BETWEEN 30N AND A LINE FROM 44N160E TO 40N176W
TO 33N169W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.

...GALE WARNING...
.LOW 58N149W 998 MB MOVING S 05 KT. BETWEEN 120 NM AND 420 NM SW
QUADRANT WINDS 30 TO 45 KT. SEAS 10 TO 18 FT. ELSEWHERE WITHIN
600 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 56N148W 993 MB. BETWEEN 240 NM AND 720 NM
W AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 54N147W 995 MB. WITHIN 840 NM W QUADRANT
WINDS 25 TO 40 KT. SEAS 8 TO 17 FT. ELSEWHERE FROM 48N TO 60N
BETWEEN 133W AND 170W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW JUST NW OF AREA NEAR 54N162E 981 MB MOVING N 15 KT. OVER
FORECAST WATERS WITHIN 480 NM S AND SW AND 600 NM E AND NE
QUADRANTS WINDS 30 TO 45 KT. SEAS 16 TO 28 FT. ELSEWHERE WITHIN
780 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 10 TO 23 FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 56N160E 999 MB. FRONT TO
EXTEND FROM 56N173E TO 45N173W. WITHIN 240 NM NE OF FRONT N OF
50N WINDS 25 TO 35 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 900 NM
S QUADRANT AND 420 NM NE OF FRONT WINDS 20 TO 30 KT. SEAS 9 TO
15 FT.
.48 HOUR FORECAST LOW WELL NW OF AREA. N OF 51N W OF 178E WINDS
20 TO 30 KT. SEAS 9 TO 14 FT.

...GALE WARNING...
.LOW 45N173W 1009 MB MOVING E 15 KT. WITHIN 300 NM E AND NE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 10 TO 17 FT.
.24 HOUR FORECAST LOW 42N159W 1004 MB. WITHIN 240 NM OF LOW
EXCEPT WITHIN 480 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 16
FT.
.48 HOUR FORECAST LOW 45N145W 1001 MB. WITHIN 480 NM SW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 17 FT.

...GALE WARNING...
.LOW 1017 MB MOVING NE 15 KT. WITHIN 300 NM NE QUADRANT WINDS TO
25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 39N152W 1013 MB. WITHIN 480 NM SE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST LOW 46N137W 998 MB. WITHIN 480 NM SE
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 17 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER FORECAST WATERS N OF A
LINE FROM 57N156W TO 58N168W TO 63N173W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 55N154W TO 54N159W TO 56N164W TO 63N173W.

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 30N TO 38N E OF 124W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST FROM 30N TO 34N E OF 125W AND WITHIN 120 NM SE
OF A LINE FROM 40N124W TO 34N145W WINDS 20 TO 30 KT. SEAS 10 TO
17 FT.
.48 HOUR FORECAST FROM 30N TO 35N BETWEEN 119W AND 122W AREA OF
NW TO N WINDS TO 25 KT. SEAS TO 12 FT.

.HIGH 32N130W 1030 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 41N158W 1024 MB MOVING E 35 KT.
.24 HOUR FORECAST HIGH 38N136W 1025 MB.
.48 HOUR FORECAST HIGH DISSIPATED INLAND.

.HIGH 60N175W 1034 MB MOVING S 05 KT.
.24 HOUR FORECAST HIGH 58N175W 1031 MB.
.48 HOUR FORECAST HIGH 53N173W 1034 MB.

.HIGH 32N174W 1020 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 38N173E 1023 MB.
.48 HOUR FORECAST HIGH 34N160W 1031 MB.

.HIGH 35N168W 1019 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 45N175E 1026 MB.
.48 HOUR FORECAST HIGH 46N174E 1030 MB.

.FORECASTER MUSONDA. 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 SUN JAN 21.
24 HOUR FORECAST VALID 0600 UTC MON JAN 22.
48 HOUR FORECAST VALID 0600 UTC TUE JAN 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. S OF 10N
BETWEEN 95W AND 100W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE
AND NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT.

.WEAKENING COLD FRONT FROM 28N111W TO 19N124W THEN DISSIPATING
STATIONARY FRONT TO 18N135W. FROM 10N TO 25N W OF 120W NE TO E
WINDS 20 TO 25 KT. SEAS 9 TO 14 FT. FROM 24N TO 27N E OF 114W NE
WINDS 20 TO 25 KT. SEAS TO 9 FT. REMAINDER OPEN WATERS N OF 02N
W OF 100W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL.
.24 HOUR FORECAST FRONTS DISSIPATED. FROM 12N TO 22N W OF 117W
NE WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE W OF LINE
30N116W TO 07N97W TO 04N104W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 11N TO 20N W OF 123W NE TO E WINDS 20 TO
25 KT. SEAS 10 TO 13 FT. ELSEWHERE W OF LINE FROM 30N116W TO
18N105W TO 07N116W TO 00N140W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MIXED SWELL.

.GULF OF CALIFORNIA 18 HOUR FORECAST FROM 23N TO 27.5N NW WINDS
20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST GULF OF CALIFORNIA FROM 24N TO 29N NW WINDS 20
TO 25 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 0815 UTC SUN JAN 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 10N75W TO 06N80W TO 05N93W. ITCZ FROM 05N93W
TO 07N110W TO 09N121W THEN RESUMES FROM 10N126W TO BEYOND
07N140W. NUMEROUS MODERATE ISOLATED STRONG FROM 07N TO 17N
BETWEEN 112W AND 120W.

.FORECASTER LATTO. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC JAN 21 2018.
24 HOUR FORECAST VALID 0600 UTC JAN 22 2018.
48 HOUR FORECAST VALID 0600 UTC JAN 23 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 30N163E 1009 MB MOVING E 15 KT. SW WINDS 20 TO 25 KT
BETWEEN FRONT AND 168E N OF 28N. ISOLATED MODERATE TSTMS BETWEEN
FRONT...LOW...AND 170E N OF 26N.
.24 HOUR FORECAST LOW MOVED JUST N OF FORECAST WATERS TO NEAR
31N170E. ASSOCIATED FRONT FROM 30N170E TO 25N167E TO 22N160E. SW
WINDS DIMINISHED TO 20 KT OR LESS. N WINDS 20 TO 25 KT W OF
FRONT.
.48 HOUR FORECAST FRONT 30N178W TO 27N180W TO 20N170E TO
17N160E. SW WINDS 20 TO 30 KT BETWEEN FRONT AND 168W N OF 26N. N
AND NE WINDS 20 TO 25 KT BETWEEN FRONT AND 170E N OF 26N.

.DISSIPATING FRONT FROM 30N167W TO 28N176W TO 28N180W MOVING SE
SLOWLY.
.24 HOUR FORECAST FRONT DISSIPATED.

.FRONT FROM 30N156W TO 27N160W TO 26N163W MOVING E SLOWLY.
.24 HOUR FORECAST WEAK FRONT FROM 30N154W TO 27N159W.
.48 HOUR FORECAST WEAK FRONT FROM 30N148W TO 28N153W.

.TROUGH FROM 26N160W TO 22N163W NEARLY STATIONARY...DISSIPATING.
ISOLATED TSTMS WITHIN 100 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 22N173W TO 18N178W MOVING W SLOWLY. ISOLATED TSTMS
WITHIN 120 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N140W TO 27N156W MOVING ENE 10 KT.

.48 HOUR FORECAST NEW RIDGE FROM 30N163E TO 29N160E.

.E WINDS 20 TO 30 KT BETWEEN 23N AND 08N E OF 150W...AND BETWEEN
20N AND 06N FROM 150W TO 170W.
.24 HOUR FORECAST E WINDS 25 AND 30 KT BETWEEN 25N AND 09N E OF
147W
...AND BETWEEN 21N AND 08N FROM 147W TO 175W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT BETWEEN 23N AND 09N E OF
145W
...AND BETWEEN 21N AND 08N FROM 145W TO 170W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 14 FT N OF A LINE FROM 30N165E TO 26N170E TO 24N178E
TO 25N177W TO 30N172W. SEAS 12 TO 14 FT ALSO E OF A LIEN FROM
22N140W TO 20N152W TO 12N155W TO 10N150W. SEAS 8 TO 12 FT
ELSEWHERE N OF A LINE FROM 13N160E TO 00N155W TO 06N140W.
.24 HOUR FORECAST SEAS 10 TO 12 FT IN THE AREA BOUNDED BY
30N154W 24N156W 24N140W 08N140W 05N170W 10N170E 30N180W 30N145W.
SEAS 8 TO 10 FT N OF A LINE FROM 09N160E 03N170W 02N140W.
.48 HOUR SEAS 10 TO 11 FT E OF A LINE FROM 30N162W TO 10N174E TO
05N179W. SEAS 8 TO 11 FT N OF A LINE FROM 30N168E TO 21N161E TO
26N176W TO 30N170W. SEAS 8 TO 10 FT ELSEWHERE E OF A LINE FROM
25N180W TO 12N165E TO 00N180W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 08N140W TO 06N175W TO 08N160E. ISOLATED AREAS OF
SCATTERED MODERATE TSTMS WITHIN 160 NM OF ITCZ.

$$

.FORECASTER LAU. HONOLULU HI.



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