High Seas Forecast
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757
FZPN02 KWBC 171725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 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 45N141W 965 MB MOVING NE 20 KT. WITHIN 180 NM W AND 420 NM
S QUADRANTS WINDS 50 TO 65 KT. SEAS 26 TO 47 FT. WITHIN 540 NM S
AND 240 NM W AND NW QUADRANTS WINDS 40 TO 50 KT. SEAS 20 TO 38
FT. BETWEEN 420 NM AND 600 NM NE QUADRANT WINDS 35 TO 50 KT.
SEAS 14 TO 22 FT. ELSEWHERE WITHIN 780 NM S...1140 NM W...420 NM
N...AND 660 NM E QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 30
FT...HIGHEST S.
.24 HOUR FORECAST LOW 51N135W 968 MB. WITHIN 240 NM E AND 360 S
AND SW QUADRANTS WINDS 40 TO 55 KT. SEAS 24 TO 45 FT. ELSEWHERE
WITHIN 600 NM SE...1020 NM SW AND W...AND 360 NM N AND NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 16 TO 38 FT...HIGHEST SE.
.48 HOUR FORECAST LOW 53N133W 987 MB. WITHIN 210 NM E AND 150 NM
N QUADRANTS AND FROM 33N TO 53N BETWEEN 130W AND 144W WINDS 25
TO 40 KT. SEAS 15 TO 30 FT.

...STORM WARNING...
.LOW 53N170E 981 MB MOVING NE 10 KT. WITHIN 240 NM SW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 18 TO 27 FT. ELSEWHERE OVER FORECAST
WATERS WITHIN 360 NM NE...840 NM SE...AND 480 NM SW QUADRANTS
WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.24 HOUR FORECAST LOW 54N174E 990 MB. WITHIN 420 NM NE...540 NM
SE...AND 360 NM SW AND W QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO
23 FT.
.48 HOUR FORECAST LOW 53N178W 1009 MB. WITHIN 150 NM N AND 180
NM S AND SW QUADRANTS WINDS TO 25 KT. SEAS 8 TO 15 FT.

...STORM WARNING...
.INTENSIFYING LOW 40N162E 1013 MB MOVING NE 40 KT. WITHIN 360 NM
SE AND S...AND 120 NM NW AND N QUADRANTS WINDS 25 TO 40 KT. SEAS
9 TO 15 FT.
.24 HOUR FORECAST LOW 45N177W 989 MB. WITHIN 180 NM S AND W
QUADRANTS WINDS 45 TO 60 KT. SEAS 16 TO 32 FT. WITHIN 540 NM
SE...420 NM SW AND W...AND 180 NM N AND NE QUADRANTS WINDS 30 TO
45 KT. SEAS 10 TO 24 FT.
.48 HOUR FORECAST LOW 50N158W 987 MB. WITHIN 240 NM S AND SW
QUADRANTS WINDS 40 TO 50 KT. SEAS 18 TO 35 FT. ELSEWHERE WITHIN
600 NM SE...420 NM SW AND W...AND 240 NM N AND NE QUADRANTS
WINDS 25 TO 40 KT. SEAS 15 TO 30 FT.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF AREA 40N154E 975 MB. OVER FORECAST
WATERS WITHIN 360 NM NE AND 420 NM SE QUADRANTS WINDS 40 TO 50
KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 480 NM NE AND 660 NM SE
QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW 44N162E 970 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 45 TO 60 KT. SEAS 30 TO 46 FT. ELSEWHERE WITHIN
480 NM N AND NE...AND 840 NM SE...AND 540 NM SW QUADRANTS WINDS
30 TO 45 KT. SEAS 14 TO 34 FT...HIGHEST S QUADRANT.

...GALE WARNING...
.LOW 57N152W 981 MB MOVING NW 05 KT. OVER ICE FREE FORECAST
WATERS WITHIN 300 NM NE AND W QUADRANTS WINDS 25 TO 35 KT. SEAS
12 TO 19 FT. ELSEWHERE WITHIN 240 NM SE AND S QUADRANTS WINDS 20
TO 30 KT. SEAS 10 TO 16 FT.
.24 HOUR FORECAST LOW 58N155W 995 MB. WITHIN 360 NM SW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.FROM 30N TO 32N BETWEEN 173W AND 175E WINDS 20 TO 30 KT. SEAS 9
TO 12 FT.
.24 HOUR FORECAST LOW 31N176W 1006 MB. FROM 30N TO 35N BETWEEN
165W AND 180W WINDS 30 TO 45 KT. SEAS 12 TO 20 FT.
.48 HOUR FORECAST LOW 36N167W 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 20 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 58N BETWEEN
162W AND 172W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 49N
BETWEEN 128W AND 135W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 38N171W 1031 MB MOVING E 25 KT.
.24 HOUR FORECAST HIGH 37N158W 1037 MB.
.48 HOUR FORECAST HIGH 36N146W 1037 MB.

.HIGH 30N126W 1025 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH S OF AREA.

.HIGH 32N164E 1026 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 34N173E 1023 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 42N171E 1023 MB.
.48 HOUR FORECAST HIGH 43N174W 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 1200 UTC WED JAN 17.
24 HOUR FORECAST VALID 1200 UTC THU JAN 18.
48 HOUR FORECAST VALID 1200 UTC FRI JAN 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 75 NM EITHER SIDE OF A LINE FROM 16N95W TO 12.5N96.5W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 KT.
SEAS 12 TO 19 FT. ELSEWHERE WITHIN 120 NM EITHER SIDE OF A LINE
FROM 16N95W TO 12.5N96.5W TO 11.5N98.5W N TO NE WINDS 20 TO 30
KT. SEAS 10 TO 14 FT. REMAINDER OF AREA BOUNDED BY 16N95W TO
13N92W TO 10N95W TO 10N100W TO 13N100W TO 16N95W WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 16N95W
TO 12.5N96W...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 13N96W TO 11N100W N TO NE WINDS 20
TO 30 KT. SEAS 10 TO 16 FT. REMAINDER OF AREA BOUNDED BY 16N95W
TO 14N93W TO 11N94W TO 10N95W TO 10N103W TO 12N102W TO 16N95W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 75 NM EITHER SIDE
OF SAME LINE N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
REMAINDER OF AREA FROM 10N TO 14.5N BETWEEN 93W AND 100W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT W OF AREA. W OF A LINE FROM 30N140W TO 30N115W TO
09N96W TO 03.4S110W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT MIXED S
AND NW SWELL...HIGHEST FROM 12N TO 20N W OF 120W.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N133W TO 26N140W. W
OF A LINE FROM 30N129W TO 22N140W WINDS 20 KT OR LESS. SEAS 11 TO
17 FT IN MIXED SE AND NW SWELL...HIGHEST NEAR 30N133W. ELSEWHERE
W OF A LINE FROM 30N115W TO 18N105W TO 10N87W TO 03.4S104W WINDS
20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL...HIGHEST CENTRAL
PART.
.36 HOUR FORECAST COLD FRONT REINFORCED FROM 30N128W TO 23N140W.
W OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS 12 TO 15 FT IN MIXED
SE AND NW SWELL. ELSEWHERE W OF A LINE FROM 30N116W TO 17N104W TO
09N87W TO 03.4S100W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED
SWELL...HIGHEST CENTRAL PART.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N123W TO 26N130W.
TO 20N138W. W OF A LINE FROM 30N125W TO 20N135W TO 15N133W TO
13N140W N TO NE WINDS 20 TO 25 KT. SEAS 11 TO 15 FT IN MIXED SE
AND NW SWELL. ELSEWHERE W OF A LINE FROM 30N116W TO 20N113W TO
09N86W TO 03.4S95W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED
SWELL...HIGHEST NEAR 30N120W AND NEAR 10N105W.

.WITHIN 45 NM EITHER SIDE OF A LINE FROM 11N86W TO 08N90W...
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 1500 UTC WED JAN 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 07N77W TO 08N84W TO 04N96W. ITCZ AXIS
EXTENDS FROM 04N96W TO 06N107W TO 05N115W TO 10N140W. SCATTERED
MODERATE ISOLATED STRONG WITHIN AREA BOUNDED BY 09N79W TO 04N78W
TO 04N84W TO 07N84W TO 09N79W AND ALSO WITHIN AREA BOUNDED BY
14N135W TO 14N124W TO 05N115W TO 04N124W TO 10N140W TO 14N135W.

.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 2018.
24 HOUR FORECAST VALID 1200 UTC JAN 18 2018.
48 HOUR FORECAST VALID 1200 UTC JAN 19 2018.

.WARNINGS.

...STORM WARNING...
.LOW 28N176E 1014 MB MOVING ENE 20 KT. WARM FRONT FROM LOW TO
29N180E TO 28N177W TO 26N175W TO 24N171W MOVING NE 15 KT. COLD
FRONT FROM LOW TO 22N171E TO 20N165E TO 19N161E MOVING E 15 KT.
WINDS 30 TO 45 KT WITHIN 120 NM N AND WITHIN 60 NM S OF
LOW...COLD AND WARM FRONTS BETWEEN 174E AND 180E. WINDS 20 TO 30
KT ELSEWHERE N OF 23N BETWEEN 173E TO 172W. NE WINDS 20 TO 30 KT
FROM 24N TO 29N BETWEEN 173E AND 169E...AND FROM 20N TO 28N W OF
169E. NUMEROUS MODERATE TSTMS WITHIN 90 NM SE OF COLD FRONT E OF
171E. ISOLATED MODERATE TSTMS ELSEWHERE N OF 25N BETWEEN 174E
AND 177W.
.06 HOUR FORECAST LOW 28N178E 1011 MB. WARM FRONT FROM LOW TO
29N178W TO 29N175W. COLD FRONT FROM LOW TO 23N174E TO 20N169E.
WINDS 40 TO 50 KT WITHIN 60 NM N SEMICIRCLE OF LOW. WINDS 30 TO
40 KT ELSEWHERE N OF 26N BETWEEN 172W AND 175E. WINDS 20 TO 30
KT ELSEWHERE N OF 23N BETWEEN 169W AND 173E. NE WINDS 20 TO 30
KT FROM 24N TO 28N BETWEEN 173E AND 167E...AND W OF 167E BETWEEN
20N AND 26N.
.24 HOUR FORECAST LOW 30N176W 1008 MB. WARM FRONT N OF AREA.
COLD FRONT FROM LOW TO 22N178E TO 18N173E. WINDS 30 TO 45 KT
OVER FORECAST WATERS N OF 26N BETWEEN 167W AND 176W...AND N OF
29N BETWEEN 176W AND 179W. WINDS 20 TO 30 KT ELSEWHERE N OF 24N
BETWEEN 142W AND 179W...AND N OF 27N BETWEEN 179W AND 178E.
.48 HOUR FORECAST LOW N OF AREA. COLD FRONT FROM 30N170W TO
27N172W TO 21N171E. WINDS 30 TO 40 KT OVER FORECAST WATERS N OF
28N BETWEEN 161W AND 169W. WINDS 20 TO 30 KT ELSEWHERE N OF 26N
E OF 170W.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N144W TO 25N156W TO 23N163W TO 23N170W MOVING
SE 10 KT E OF 156W AND NEARLY STATIONARY ELSEWHERE AND
WEAKENING.
.24 HOUR FORECAST WEAKENING FRONT FROM 26N140W TO 21N150W.
.48 HOUR FORECAST FRONT DISSIPATED.

.RIDGE FROM 27N140W TO 26N146W MOVING N SLOWLY AND WEAKENING
FROM THE W.

.E TO NE WINDS 20 TO 30 KT FROM 11N TO 14N BETWEEN 144W AND
152W...FROM 07N TO 26N BETWEEN 152W AND 172W...FROM 06N TO 23N
BETWEEN 172W AND 177W...AND FROM 07N TO 15N BETWEEN 177W AND
164E.
.24 HOUR FORECAST WINDS 20 TO 30 KT E OF LINE FROM 08N177E TO
20N168W TO 24N171W.
.48 HOUR FORECAST WINDS 20 TO 30 KT E OF 177E BETWEEN 07N AND
14N...AND E OF LINE FROM 14N170W TO 19N165W TO 20N158W TO
26N165W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 18 FT N OF A LINE FROM 30N144W TO 23N160W TO
24N166W. SEAS 12 TO 15 FT WITHIN 60 NM OF LINE FROM 23N164E TO
23N169E TO 29N178E. SEAS 8 FT OR LESS N OF 29N BETWEEN 161E AND
170E...FROM 18N TO 22N BETWEEN 153W AND 159W...AND S OF LINE
FROM 01N155W TO 06N162W TO 03N168W TO 03N177W TO 14N160E. SEAS 8
TO 13 FT REST OF AREA.
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF 27N BETWEEN 169W AND
178E. SEAS 12 TO 14 FT N OF 23N E OF 150W. SEAS 8 FT OR LOWER N
OF LINE FROM 30N170E TO 26N164E TO 25N160E...AND S OF LINE FROM
09N140W TO 02N180W TO 02N175E TO 12N166E TO 08N160E.
.48 HOUR FORECAST SEAS 12 TO 15 FT N OF LINE FROM 30N164E TO
28N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 30N166E TO
27N160E. SEAS 8 TO 14 FT N OF LINE FROM 08N140W TO 08N151W TO
03N155W TO 06N161W TO 05N170W. SEAS 8 TO 12 FT BETWEEN 170W AND
174E...EXCEPT SEAS 8 FT OR LESS FROM 19N TO 24N BETWEEN 171W AND
179W. SEAS 8 TO 9 FT FROM 09N TO 28N BETWEEN 168E AND 174E.

.SEAS 8 FT OR LESS REST OF AREA.

.ITCZ FROM 09N140W TO 06N170W TO 06N171E. ISOLATED MODERATE TO
STRONG TSTMS FROM 04N TO 11N.

$$

.HONOLULU HI.



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