High Seas Forecast
Issued by NWS

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FZPN02 KWBC 232325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC TUE JAN 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JAN 23.
24 HOUR FORECAST VALID 1800 UTC JAN 24.
48 HOUR FORECAST VALID 1800 UTC JAN 25.

.WARNINGS.

...STORM WARNING...
.LOW 35N178W 991 MB MOVING NE 20 KT. WITHIN 240 NM NW AND
BETWEEN 180 NM AND 480 NM NE QUADRANTS WINDS 40 TO 50 KT. SEAS
16 TO 25 FT. ELSEWHERE FROM 30N TO 44N BETWEEN 164W AND 174E
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 37N170W 994 MB. BETWEEN 120 NM AND 300 NM
N QUADRANT WINDS 40 TO 50 KT. SEAS 12 TO 24 FT. ELSEWHERE N OF
30N WITHIN 600 NM NE...720 NM SE...AND 540 NM W AND NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW 38N164W 1002 MB. WITHIN 300 NM N AND 360
NM NE QUADRANTS WINDS 40 TO 50 KT. SEAS 18 TO 26 FT. ELSEWHERE N
OF 30N WITHIN BETWEEN 300 NM AND 720 NM E AND SE QUADRANTS AND
WITHIN 540 NM NW SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.

...STORM WARNING...
.LOW W OF AREA NEAR 46N155E MOVING NW 15 KT. FRONT EXTENDS FROM
47N160E TO 42N162W TO 34N160W. N OF 41N WITHIN 210 NM N AND E OF
FRONT WINDS 40 TO 55 KT. SEAS 15 TO 22 FT. ELSEWHERE WITHIN 600
NM NE AND 660 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW W OF AREA 50N149E 960 MB. OVER FORECAST
WATERS N OF 43N BETWEEN 167E AND 176E SE TO S WINDS 25 TO 35 KT.
SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW AND CONDITIONS W OF AREA.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW W OF AREA NEAR 40N154E 981 MB. WITHIN
600 NM NE AND 660 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO
22 FT.
.36 HOUR FORECAST LOW W OF AREA NEAR 47N158E 970 MB. FRONT TO
EXTEND FROM 48N160E TO 43N164E TO 32N163E. WITHIN 300 NM E OF
FRONT WINDS 40 TO 55 KT. SEAS 16 TO 28 FT.
.48 HOUR FORECAST LOW W OF AREA NEAR 51N154E 959 MB. FRONT TO
EXTEND FROM 51N163E TO 42N169E TO 34N167E. WITHIN 780 NM NE AND
420 NM SE QUADRANTS AND WITHIN 360 NM E OF FRONT WINDS 30 TO 45
KT. SEAS 15 TO 30 FT. ELSEWHERE WITHIN 540 NM E OF FRONT WINDS
20 TO 30 KT. SEAS 12 TO 24 FT.

...STORM WARNING...
.LOW 50N142W 988 MB MOVING SE 10 KT. WITHIN 720 NM NW QUADRANT
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. ELSEWHERE WITHIN 720 NM SE
AND 780 SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST LOW 46N138W 990 MB. WITHIN 300 NM SW AND W
QUADRANTS WINDS 40 TO 50 KT. SEAS 19 TO 28 FT. ELSEWHERE WITHIN
840 NM SE...600 NM SW...AND 660 NM NW QUADRANTS WINDS 25 TO 40
KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 46N124W 997 MB. WITHIN 660 NM S AND 900 NM
W QUADRANTS WINDS 25 TO 35 KT. SEAS 11 TO 22 FT.

...GALE WARNING...
.LOW 51N134W 987 MB MOVING NW AT 10 KT. FRONT TO EXTEND FROM LOW
TO 52N131W TO 47N125W TO 34N139W. N OF 50N WITHIN 150 NM N OF
FRONT WINDS 30 TO 45 KT. SEAS 15 TO 25 KT. WITHIN 420 NM SE
QUADRANT AND WITHIN 240 NM SE OF FRONT WINDS 25 TO 40 KT. SEAS 9
TO 18 FT.
.24 HOUR FORECAST LOW 54N137W 989 MB. WITHIN 210 NM E QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 55N138W 995 MB. CONDITIONS MERGED WITH LOW
59N145W.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 58N146W 994 MB. WITHIN 660 NM SW AND
720 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 15 FT...HIGHEST
SE PORTION.
.48 HOUR FORECAST LOW 59N145W 990 MB. WITHIN 780 NM SW QUADRANT
NW WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. WITHIN 210 NM NE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 11 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 56N BETWEEN 153W AND
159W. .24 HOUR FORECAST CONDITIONS DIMINISHED.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N
BETWEEN 151W AND 164W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 42N TO 47N BETWEEN 163E AND 169E...AND FROM 34N TO 37N
BETWEEN 162W AND 165W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 168E AND
171E AND 33N TO 39N BETWEEN 152W AND 160W.

.HIGH 31N130W 1027 MB MOVING SW 5 KT.
.24 HOUR FORECAST HIGH S OF AREA.

.HIGH 52N173W 1034 MB MOVING SE 5 KT.
.24 HOUR FORECAST HIGH 51N171W 1036 MB.
.48 HOUR FORECAST HIGH 52N173W 1036 MB.

.HIGH 35N157W 1026 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 35N148W 1029 MB.
.48 HOUR FORECAST HIGH 34N140W 1028 MB.

.HIGH 53N170E 1030 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 58N180W 1029 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.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 TUE JAN 23.
24 HOUR FORECAST VALID 1800 UTC WED JAN 24.
48 HOUR FORECAST VALID 1800 UTC THU JAN 25.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...

.N OF 13N BETWEEN 94W AND 96W...INCLUDING GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.06 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
35 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF
LINE FROM 16N95W TO 15N95W TO 13.5N96W N TO NE WINDS 20 TO 30
KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W
TO 14.5N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 35 KT. SEAS 12 TO 14 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE
OF LINE FROM 16N95W TO 14.5N95.5W TO 13N96W N TO NE WINDS 20 TO
30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11N TO 15N
BETWEEN 94W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
TO NE SWELL.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W
TO 14.5N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 40 KT. SEAS 12 TO 15 FT. ELSEWHERE WITHIN 90 NM EITHER SIDE
OF LINE FROM 16N95W TO 14.5N95.5W TO 12N97W  TO 11N99W N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 07N
TO 15N BETWEEN 93W AND 106W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.FROM 09N TO 18N W OF 120W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO
12 FT. ELSEWHERE W OF LINE FROM 30N116W TO 12N110W TO 00N140W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST FROM 09N TO 18N W OF 128W NE TO E WINDS 20 TO
25 KT. SEAS 10 TO 12 FT. ELSEWHERE W OF LINE FROM 25N116W TO
12N111W TO 00N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT
PRIMARILY IN NW SWELL.
.48 HOUR FORECAST FROM 08N TO 24N W OF 130W NE TO E WINDS 20 TO
25 KT. SEAS 8 TO 11 FT. ELSEWHERE W OF LINE FROM 30N130W TO
13N118W TO 00N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
PRIMARILY IN NW SWELL.

.GULF OF CALIFORNIA S OF 31N NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.10N TO 11.5N E OF 88W...INCLUDING GULF OF PAPAGAYO...NE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST 10N TO 11.5N E OF 88W...INCLUDING GULF OF
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST 10N TO 11.5N E OF 89W...INCLUDING GULF OF
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

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

CONVECTION VALID AT 2100 UTC TUE JAN 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N77W TO 05N90W TO 07N104W. ITCZ CONTINUES
FROM 07N104W TO 07N120W TO BEYOND 07N140W. SCATTERED MODERATE
FROM 04N TO 08N BETWEEN 80W AND 86W. SCATTERED MODERATE FROM 06N
TO 08N BETWEEN 113W AND 116W. SCATTERED MODERATE FROM 07N TO 10N
BETWEEN 132W AND 140W.

.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC JAN 23 2018.
24 HOUR FORECAST VALID 1800 UTC JAN 24 2018.
48 HOUR FORECAST VALID 1800 UTC JAN 25 2018.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N173W TO 22N180E TO 18N170E TO 15N160E MOVING E 20
KT N OF 20N...AND NEARLY STATIONARY ELSEWHERE. S TO SW WINDS 30
TO 40 KT WITHIN 300 NM E OF FRONT N OF 27N. S TO SW WINDS 20 TO
30 KT ELSEWHERE WITHIN 510 NM E OF FRONT N OF 25N. W TO NW WINDS
20 TO 25 KT WITHIN 480 NM W OF FRONT N OF 28N. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS WITHIN 300 NM E OF FRONT N OF
19N.
.24 HOUR FORECAST FRONT FROM 30N167W TO 25N172W TO 20N175E TO
17N160E. WINDS 20 TO 30 KT WITHIN 420 NM E OF FRONT N OF 27N.
WINDS 20 TO 25 KT WITHIN 360 NW W OF FRONT N OF 28N.
.48 HOUR FORECAST FRONT FROM 30N161W TO 24N170W TO 21N180E.
WINDS 20 TO 25 KT WITHIN 240 NM E OF FRONT N OF 28N.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N146W TO 27N153W TO 27N160W NEARLY STATIONARY.
.24 HOUR FORECAST WEAKENING FRONT FROM 29N140W TO 28N150W.
.48 HOUR FORECAST FRONT DISSIPATED.

.E WINDS 20 TO 25 KT FROM 10N TO 20N E OF 150W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 10N TO 23N E OF
150W... AND FROM 10N TO 20N BETWEEN 150W AND 160W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 10N TO 24N E OF
154W... AND FROM 10N TO 18N BETWEEN 154W AND 162W.

.24 HOUR FORECAST NEW FRONT NEAR 30N160E.
.48 HOUR FORECAST FRONT FROM 30N167E TO 25N160E. S TO SW WINDS
20 TO 25 KT WITHIN 120 NM E OF FRONT N OF 28N.

.HIGH 28N162E MOVING NE 20 KT. RIDGE FROM 30N163E TO HIGH TO
27N160E MOVING ENE 20 KT.
.24 HOUR FORECAST HIGH DISSIPATED N OF AREA.

.RIDGE FROM 29N140W TO 29N146W NEARLY STATIONARY.

.RIDGE FROM 30N162W TO 23N170W TO 19N180E MOVING E 10 KT AND
GRADUALLY ERODING FROM THE W.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST
AREA.

.SEAS 8 TO 12 FT E OF 170E. SEAS 8 TO 9 FT ELSEWHERE N OF 20N W
OF 170E.
.24 HOUR FORECAST SEAS 12 TO 14 FT N OF 28N BETWEEN 170W AND
180E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N158W TO
22N180E TO 27N160E. SEAS 8 TO 11 FT S OF A LINE FROM 26N140W TO
26N160W TO 10N180E.
.48 HOUR FORECAST SEAS 12 TO 16 FT NW OF A LINE FROM 30N167E TO
25N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N160W TO
20N180E TO 22N160E. SEAS 8 TO 11 FT N OF 05N E OF 160W.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ FROM 07N140W TO 08N160W TO 06N165E. ISOLATED MODERATE
TSTMS WITHIN 240 NM OF ITCZ.

$$

.FORECASTER MORRISON. HONOLULU HI.



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