High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 232325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC MON OCT 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

THE U.S. COAST GUARD IS CURRENTLY EXPERIENCING DEGRADATION IN
IMAGE QUALITY OF ALL HFFAX PRODUCTS. TROUBLESHOOTING OF THE
PROBLEM IS TAKING PLACE.

PAN PAN

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

SYNOPSIS VALID 1800 UTC OCT 23.
24 HOUR FORECAST VALID 1800 UTC OCT 24.
48 HOUR FORECAST VALID 1800 UTC OCT 25.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW JUST W OF FORECAST AREA 52N164E 967 MB MOVING NE 10 KT AND
RAPIDLY INTENSIFYING...AND WILL TURN E AFTER 18 HOURS. OVER
FORECAST WATERS WITHIN 360 NM NE AND 660 NM SE QUADRANTS WINDS
40 TO 50 KT. SEAS 14 TO 27 FT. ALSO WITHIN 540 NM AND 960 NM SE
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ALSO WITHIN 1140
NM SE QUADRANT WINDS TO 25 KT. SEAS TO 12 FT.
.12 HOUR FORECAST LOW JUST W OF FORECAST AREA 54N167E 942 MB.
WITHIN 480 NM NE QUADRANT WINDS 50 TO 65 KT. SEAS 20 TO 31 FT.
.24 HOUR FORECAST LOW 53N170E 936 MB. WITHIN 420 NM SE AND 480
NM SW QUADRANTS WINDS 50 TO 70 KT. SEAS 30 TO 50 FT. ALSO
BETWEEN 240 NM AND 600 NM NE AND BETWEEN 480 NM AND 900 NM E
QUADRANTS...AND WITHIN 540 NM S SEMICIRCLE WINDS 45 TO 60 KT.
SEAS 21 TO 38 FT. ELSEWHERE WITHIN 840 NM NE AND SW AND 1200 NM
SE QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 24 FT. AND WITHIN
1200 NM S QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 18 FT.
.36 HOUR FORECAST LOW 52N179E 945 MB. WITHIN 360 NM SE AND 480
NM SW QUADRANTS WINDS 50 TO 65 KT. SEAS 36 TO 56 FT.
.48 HOUR FORECAST LOW 52N173W 959 MB. WITHIN 540 NM SW...480 NM
W...AND BETWEEN 240 NM AND 540 NM NW QUADRANTS WINDS 40 TO 50
KT. SEAS 24 TO 46 FT...HIGHEST SW QUADRANT. ELSEWHERE WITHIN 720
NM N AND W...AND 1020 NM E AND S QUADRANTS WINDS 25 TO 40 KT.
SEAS 12 TO 24 FT...EXCEPT 20 TO 40 FT FROM 39N TO 52N BETWEEN
162W AND 166E.

...STORM WARNING...
.LOW JUST W OF FORECAST AREA 45N157E 972 MB MOVING NE 50 KT.
EXCEPT AS DESCRIBED WITH LOW 52N163E ABOVE...WITHIN 360 NM AND
480 NM SE QUADRANTS WINDS 40 TO 50 KT. SEAS 18 TO 27 FT.
ELSEWHERE WITHIN 900 NM SE QUADRANT WINDS 25 TO 40 KT. SEAS 10
TO 20 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW
53N170E ABOVE.

...STORM WARNING...
.LOW 54N138W 997 MB MOVING NE 40 KT. OVER FORECAST WATERS WITHIN
240 NM E AND 360 NM SE QUADRANTS WINDS 40 TO 50 KT. SEAS 10 TO
20 FT. ELSEWHERE WITHIN 180 NM NE...540 NM SE...AND 840 NM S
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 21 FT. ALSO WITHIN 420
NM NW AND 840 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW MOVED WELL INLAND. CONDITIONS DESCRIBED
WITH LOW 51N138W BELOW.

...STORM WARNING...
.LOW 35N156W 1005 MB MOVING S 10 KT. OVER FORECAST WATERS WITHIN
360 NM EITHER SIDE OF A LINE FROM 30N150W TO 40N142W...AND FROM
30N TO 42N BETWEEN 159W AND 176W WINDS 25 TO 35 KT. SEAS 8 TO 16
FT.
.24 HOUR FORECAST LOW 31N157W 1000 MB. WITHIN 180 NM NW AND 360
NM SW QUADRANTS WINDS 35 TO 45 KT. SEAS 15 TO 21 FT. ELSEWHERE
WITHIN 720 NM NE...660 NM E...480 NM W...AND 360 NM NW QUADRANTS
WINDS 25 TO 35 KT. SEAS 10 TO 20 FT.
.30 HOUR FORECAST LOW 31N158W 998 MB. WITHIN 240 NM NW AND
BETWEEN 180 NM AND 360 NM NE QUADRANTS WINDS 40 TO 50 KT. SEAS
15 TO 24 FT.
.48 HOUR FORECAST LOW 34N159W 997 MB. WITHIN 840 NM NE AND 720
NM E QUADRANTS...AND WITHIN 300 NM W SEMICIRCLE WINDS 25 TO 40
KT. SEAS 11 TO 21 FT.

...GALE WARNING...
.LOW 59N153W 1003 MB MOVING N 10 KT. OVER FORECAST WATERS WITHIN
120 NM E SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DESCRIBED
WITH LOW 57N153W BELOW.

...GALE WARNING...
.LOW 49N158W 1000 MB MOVING NE 20 KT. WITHIN 180 NM OF LOW
EXCEPT 240 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST 57N152W 1004 MB. WITHIN 120 NM SE
QUADRANT...AND FROM 52N TO 55N BETWEEN 146W AND 152W WINDS 25 TO
35 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 240 NM E...480 NM
SE...AND 420 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW
52N173W ABOVE.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 51N138W 1012 MB. WITHIN 360 NM E...420
NM S...AND 780 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18
FT.
.30 HOUR FORECAST LOW 5N134W 1007 MB. WITHIN 180 NM E AND 240 NM
S QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST LOW MOVED WELL INLAND. FROM 47N TO 51N BETWEEN
124W AND 131W WINDS 20 TO 30 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 30N TO 42N BETWEEN 123W AND 128W AREA
OF N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 32N TO 46N BETWEEN 125W AND 130W AREA OF
N TO NE WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST WITHIN 180 NM EITHER SIDE OF A LINE FROM
33N134W TO 42N124W AREA OF N WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.LOW 60N170W 1003 MB MOVING SE 15 KT. FROM 57N TO 61N BETWEEN
170W AND 175W WINDS 20 TO 30 KT. SEAS TO 10 FT. ALSO FROM 52N TO
55N BETWEEN 170W AND 180W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN
WARNINGS SECTION ABOVE.

.FROM 42N TO 49N BETWEEN 162W AND 172W WINDS 20 TO 30 KT. SEAS 8
TO 14 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED IN WARNINGS SECTION ABOVE.

.48 HOUR FORECAST OVER FORECAST WATERS FROM 33N TO 37N W OF 166E
AREA OF E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS W OF A LINE FROM 35N165E TO 48N172E TO 51N169E...AND
WITHIN 180 NM EITHER SIDE OF A LINE FROM 53N135W TO 39N142W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 53N133W TO 39N145W.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY 40N158W TO
48N152W TO 43N140W TO 40N158W.

.HIGH 39N132W 1033 MB MOVING NW 10 KT.
.24 HOUR FORECAST HIGH 42N134W 1033 MB.
.48 HOUR FORECAST HIGH 40N139W 1032 MB.

.HIGH 37N180W 1029 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 31N177W 1024 MB.
.48 HOUR FORECAST HIGH JUST S OF AREA 29N176E 1021 MB.

.HIGH 54N153W 1012 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 44N151W 1016 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 44N156W 1025 MB.
.48 HOUR FORECAST HIGH 50N139W 1031 MB.

.48 HOUR FORECAST HIGH 39N167E 1022 MB.

.FORECASTER FIGURSKEY. 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 MON OCT 23.
24 HOUR FORECAST VALID 1800 UTC TUE OCT 24.
48 HOUR FORECAST VALID 1800 UTC WED OCT 25.

.WARNINGS.

...STORM WARNING...
.WITHIN 45 NM EITHER SIDE OF LINE FROM 16N95W TO
15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35
KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF LINE
FROM 16N95W TO 15N95W TO 12N96W N TO NE WINDS 20 TO 30 KT. SEAS
8 TO 12 FT.
.24 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W TO 14N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 90 NM
EITHER SIDE OF LINE FROM 16N95W TO 15N95W TO 12N97W N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 05N TO 11N
BETWEEN 95W AND 105W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED
NE...NW AND S SWELL.
.30 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W TO 13N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE
WINDS 35 TO 50 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 120 NM
EITHER SIDE OF LINE FROM 16N95W TO 15N95W TO 11N97W N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 04N TO 11N
BETWEEN 92W AND 110W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED
NE...NW AND S SWELL.
.48 HOUR FORECAST WITHIN 75 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W TO 12N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 45 KT. SEAS 16 TO 22 FT. ELSEWHERE WITHIN 120 NM
EITHER SIDE OF LINE FROM 16N95W TO 15N95W TO 11N97W N TO NE WINDS
20 TO 30 KT. SEAS 12 TO 16 FT. REMAINDER OF AREA FROM 03N TO 12N
BETWEEN 92W AND 110W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED
NE...NW AND S SWELL.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA N OF 25N NW WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 28N NW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 04N102W TO 04N140W TO 30N140W TO 30N118W
TO 04N102W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 03N99W TO 08N140W TO
30N140W TO 30N119W TO 03N99W WINDS 20 KT OR LESS. SEAS 8 FT IN NW
SWELL.

.24 HOUR FORECAST N OF 06N BETWEEN 79W AND 83W SW WINDS 20 TO 25
KT. SEAS 8 FT.
.48 HOUR FORECAST N OF 06N BETWEEN 81W AND 89W SW WINDS 20 TO 30
KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 2100 UTC MON OCT 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM FROM 10N86W TO 08N105W TO
09N115W.
ITCZ FROM 09N115W TO 09N140W. SCATTERED MODERATE AND ISOLATED
STRONG WITHIN 120 NM OFF COAST OF WESTERN PANAMA. SCATTERED
MODERATE WITHIN 60 NM EITHER SIDE OF ITCZ BETWEEN 120W AND
125W...AND W OF 135W.


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC OCT 23 2017.
24 HOUR FORECAST VALID 1800 UTC OCT 24 2017.
48 HOUR FORECAST VALID 1800 UTC OCT 25 2017.

.WARNINGS.

...GALE WARNING...
.FRONT 30N157W 25N162W 22N175W 25N170E MOVING SE 20 KT. SW WINDS
20 TO 30 KT WITHIN 480 NM E OF FRONT N OF 25N. N TO NE WINDS 20
TO 30 KT N OF FRONT. SCATTERED MODERATE TO STRONG TSTMS WITHIN
120 NM OF FRONT N OF 25N AND WITHIN 90 NM OF LINE 23N158W
20N160W.
.24 HOUR FORECAST FRONT 30N152W 25N153W 20N157W 17N165W 16N175W
18N173E. ASSOCIATED LOW JUST N OF AREA NEAR 31N157W. WINDS 30 TO
35 KT WITHIN 150 NM E OF FRONT N OF 25N AND N OF 28N BETWEEN
156W AND 162W. WINDS 20 TO 30 KT ELSEWHERE WITHIN 480 NM E OF
FRONT N OF 20N AND WITHIN 600 NM N OF FRONT W OF 153W.
.48 HOUR FORECAST FRONT 30N151W 25N151W 17N160W 15N175W 15N175E.
WINDS 20 TO 30 KT WITHIN 360 NM E OF FRONT N OF 25N. WINDS 20 TO
25 KT WITHIN 480 NM N OF FRONT W OF 175W.

.SYNOPSIS AND FORECAST.

.LOW 08N153W 1010 MB MOVING WNW SLOWLY. ITCZ FROM LOW TO
10N140W. WINDS 20 TO 25 KT WITHIN 180 NM OF LOW SE SEMICIRCLE.
SCATTERED STRONG TSTMS WITHIN 180 NM OF LOW. ISOLATED MODERATE
TO STRONG TSTMS WITHIN 150 NM OF ITCZ.
.24 HOUR FORECAST LOW 13N157W 1011 MB. WINDS 20 TO 25 KT WITHIN
150 NM OF LOW SE QUADRANT.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 15N156W 11N159W. WINDS
DIMINISHED TO 20 KT OR LESS.

.TROUGH 18N163W 10N169W 07N173W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 16N161W 10N167W 08N173W.
.48 HOUR FORECAST TROUGH 13N167W 08N177W.

.RIDGE 30N140W 24N150W 20N163W 22N159W NEARLY STATIONARY AND
ERODING FROM THE W.

.RIDGE 30N163E 29N160E MOVING SE 10 KT.

.48 HOUR FORECAST HIGH 29N176E 1020 MB.

.SEAS 12 TO 16 FT N OF LINE 12N162W 25N170W 24N180W. SEAS 9 TO
12 FT ELSEWHERE N OF 22N. SEAS 8 FT OR LESS S OF 10N W OF 150W.
SEAS 8 TO 9 FT REST OF AREA.
.24 HOUR FORECAST SEAS 12 TO 19 FT N OF LINE 30N155W 23N160W
20N170W. SEAS 12 TO 16 FT N OF 26N BETWEEN 149W AND 155W. SEAS 8
TO 12 FT ELSEWHERE N OF 16N. SEAS 8 TO 9 FT FROM 03N TO 16N E OF
155W.
.48 HOUR FORECAST SEAS 12 TO 14 FT N OF 24N BETWEEN 150W AND
165W. SEAS 8 TO 12 FT ELSEWHERE N OF 11N.

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

$$

.FORECASTER WROE. HONOLULU HI.



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