High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 222325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SUN OCT 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 1800 UTC OCT 23.
48 HOUR FORECAST VALID 1800 UTC OCT 24.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.BETWEEN 30N AND A LINE FROM 51N162E TO 36N166E TO 33N170W WINDS
20 TO 30 KT. SEAS 9 TO 16 FT.
.12 HOUR FORECAST N OF 30N W OF 165E WINDS 25 TO 40 KT. SEAS 12
TO 21 FT.
.24 HOUR FORECAST NEW RAPIDLY INTENSIFYING LOW 52N163E 967 MB.
WITHIN 360 NM E AND 240 NM NE QUADRANTS WINDS 40 TO 50 KT. SEAS
14 TO 22 FT. ELSEWHERE N OF 34N W OF 177E WINDS 30 TO 45 KT.
SEAS 12 TO 26 FT.
.48 HOUR FORECAST LOW 52N168E 939 MB. WITHIN 420 NM
S...SW...N...AND 720 NM NE QUADRANTS WINDS 50 TO 65 KT. SEAS 20
TO 42 FT. ALSO WITHIN 480 NM N...1020 NM E...AND 720 NM S
QUADRANTS WINDS 35 TO 50 KT. SEAS 15 TO 28 FT. ELSEWHERE WITHIN
1140 NM SE SEMICIRCLE AND 720 NM N QUADRANT WINDS 25 TO 35 KT.
SEAS 12 TO 20 FT.

...STORM WARNING...
.LOW 40N153W 994 MB MOVING NE 45 KT. FRONT EXTENDS FROM LOW
CENTER TO 34N161W TO 31N171W. WITHIN 420 NM SE AND 180 NM N AND
NW QUADRANTS AND 300 NM SE OF THE FRONT N OF 30N WINDS 30 TO 45
KT. SEAS 11 TO 22 FT.
.24 HOUR FORECAST LOW 53N137W 990 MB. FRONT TO EXTEND FROM
54N135W TO 45N143W TO 36N152W. WITHIN 300 NM E AND 180 NM NE
QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 22 FT. ALSO WITHIN 180
NM N AND S QUADRANTS AND 240 NM E OF THE FRONT N OF 43N WINDS 25
TO 35 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 300 NM E OF THE
FRONT WINDS 20 TO 30 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW INLAND. CONDITIONS DESCRIBED WITH LOW
50N140W.

...STORM WARNING...
.30 HOUR FORECAST POST-TROPICAL CYCLONE LAN 49N163E 966 MB.
WITHIN 720 NM SE AND 660 NM S QUADRANTS WINDS 40 TO 55 KT. SEAS
24 TO 38 FT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE LAN AND CONDITIONS
ABSORBED BY LOW 52N168E.

...GALE WARNING...
.E OF A LINE FROM 53N142W TO 48N135W WINDS 25 TO 35 KT. SEAS 12
TO 22 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 53N158W 996 MB MOVING NE 20 KT. WITHIN 120 NM SE AND 1020
NM W QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST LOW 58N152W 1001 MB. WITHIN 120 NM E AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 36N153W 1004 MB. N OF 30N AND WITHIN
840 NM W AND 360 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15
FT. ELSEWHERE WITHIN 600 NM E AND SE QUADRANTS WINDS 20 TO 30
KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 31N156W 999 MB. WITHIN 420 NM NW
SEMICIRCLE AND 480 NM E AND SE QUADRANTS WINDS 25 TO 40 KT. SEAS
12 TO 20 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 47N158W 1001 MB. WITHIN 180 NM E AND S
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 57N152W 1002 MB. WITHIN 240 NM E AND 480
NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 50N140W 1010 MB. WITHIN 360 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 17 FT.

.SYNOPSIS AND FORECAST.

.LOW 56N136W 991 MB MOVING N 10 KT. WITHIN 90 NM OF CENTER WINDS
20 TO 30 KT. SEAS 9 TO 12 FT.
.24 HOUR FORECAST LOW INLAND WITH CONDITIONS DIMINISHED.

.LOW 55N148W 997 MB MOVING NE 10 KT. WITHIN 60 NM SW SEMICIRCLE
WINDS TO 25 KT. SEAS TO TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 60N166W 993 MB NEARLY STATIONARY. OVER FORECAST WATERS
WITHIN 660 NM W QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST LOW 60N166W 1004 MB. WITHIN 360 NM W AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.FROM 30N TO 36N BETWEEN 120W AND 124W N TO NW WINDS TO 25 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 38N TO 41N BETWEEN 123W AND 126W N TO NW
WINDS 20 TO 30 KT. SEAS 9 TO 12 FT.
.48 HOUR FORECAST FROM 41N TO 44N BETWEEN 124W AND 128W N WINDS
TO 25 KT. SEAS 8 TO 11 FT.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
WITHIN 240 NM E OF A LINE FROM 52N136W TO 41N145W AND FROM 35N
TO 51N W OF 171E.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM SE OF A LINE FROM
52N132W TO 50N141W TO 43N146W.

.HIGH 34N131W 1031 MB MOVING N 10 KT.
.24 HOUR FORECAST HIGH 39N131W 1033 MB.
.48 HOUR FORECAST HIGH 42N133W 1033 MB.

.HIGH 43N169E 1035 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH 38N179W 1029 MB.
.48 HOUR FORECAST HIGH 31N176W 1025 MB.

.36 HOUR FORECAST NEW HIGH 52N139W 1022 MB.
.48 HOUR FORECAST HIGH INLAND NEAR 55N129W 1025 MB.

.48 HOUR FORECAST NEW HIGH 43N158W 1024 MB.

.FORECASTER ACHORN. 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 SUN OCT 22.
24 HOUR FORECAST VALID 1800 UTC MON OCT 23.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 24.

.WARNINGS.

...GALE WARNING...
.06 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND
95.5W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.15 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 60 NM EITHER SIDE
OF A LINE FROM 16N95W TO 13.5N95.5W N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 45 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 75 NM EITHER SIDE
OF A LINE FROM 16N95W TO 12N96W N TO NE WINDS 20 TO 30 KT. SEAS 8
TO 13 FT. REMAINDER OF AREA BOUNDED BY 16N95W TO 12N93W TO 07N98W
TO 12N99W TO 16N95W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
NE AND S SWELL.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA N OF 27N WITHIN 45 NM OF COAST OF BAJA
CALIFORNIA PENINSULA NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW TO N WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN AREA BOUNDED BY 03.4S117W TO 00N40W TO 30N140W TO
30N116W TO 18N107W TO 03.4S117W...INCLUDING SEBASTIAN VIZCAINO
BAY...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...HIGHEST
NEAR 24N118W.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 06N101W TO 03.4S110W TO
01N140W TO 30N140W TO 30N117W TO 06N101W...INCLUDING SEBASTIAN
VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW
SWELL...HIGHEST NEAR 30N140W..
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 19N128W TO 12N122W TO
07N140W TO 28N140W TO 30N137W TO 30N116W TO 19N128W...INCLUDING
SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL. WITHIN AREA BOUNDED BY 03.4S102W TO 03S117W TO
06N121W TO 15N110W TO 09N103W TO 07N91W TO 03.4S102W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN MIXED SW AND NW SWELL.

.42 HOUR FORECAST WITHIN AREA BOUNDED BY 06N79W TO 05N81W TO
05N82W TO 07N83W TO 08N80W TO 06N79W...INCLUDING NEAR THE AZUERO
PENINSULA...WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 06N81W TO 06N83W TO
07N86W TO 08N85W TO 07N82W TO 08N79W TO 06N81W...INCLUDING NEAR
THE AZUERO PENINSULA...SW 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 SUN OCT 22...

.TROPICAL WAVE FROM 08N TO 15N ALONG 103W...SCATTERED MODERATE
ISOLATED STRONG FROM 06N TO 10N BETWEEN 98W AND 104W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 11N84W TO 08N100W TO 09N115W TO
08N125W. ITCZ AXIS EXTENDS FROM 08N125W TO 09N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 08N TO 12N BETWEEN 120W AND 125W...
AND FROM 06N TO 12N W OF 134W.

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC OCT 22 2017.
24 HOUR FORECAST VALID 1800 UTC OCT 23 2017.
48 HOUR FORECAST VALID 1800 UTC OCT 24 2017.

.WARNINGS.

...GALE WARNING...
.FRONT 30N173W 28N175E 30N164E MOVING S 20 KT. WINDS 20 TO 25 KT
N OF FRONT AND WITHIN 180 NM E OF FRONT.
.24 HOUR FORECAST FRONT 30N155W 24N164W 22S175W 25N170E. WINDS
20 TO 30 KT N OF FRONT AND WITHIN 360 NM E OF FRONT N OF 24N.
.48 HOUR FORECAST FRONT 30N151W 25N153W 21S155W 17N170W 20N172E.
ASSOCIATED LOW JUST N OF AREA NEAR 31N156W. WINDS 30 TO 35 KT
WITHIN 150 NM E OF FRONT N OF 25N AND N OF 28N BETWEEN 155W AND
160W. WINDS 20 TO 30 KT ELSEWHERE WITHIN 360 NM E OF FRONT N OF
21N AND WITHIN 600 NM N OF FRONT W OF 155W.

.SYNOPSIS AND FORECAST.

.TROUGH 13N160E 17N165E MOVING WNW 15 KT. ISOLATED MODERATE TO
STRONG TSTMS FROM 05N TO 18N W OF 174E.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.ITCZ 09N140W 09N151W 13N159W 07N179E. ISOLATED MODERATE TO
STRONG TSTMS WITHIN 180 NM OF ITCZ.
.24 HOUR FORECAST TROUGH DEVELOPING WITHIN ITCZ 10N153W 15N160W
09N171W.
.48 HOUR FORECAST TROUGH 17N156W 10N164W.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

.SEAS 9 TO 11 FT N OF 27N W OF 153W. SEAS 8 TO 9 FT ELSEWHERE N
OF 07N.
.24 HOUR FORECAST SEAS 12 TO 16 FT N OF 26N BETWEEN 163W AND
180W. 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.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF LINE 30N149W 23N160W
22N166W 30N170W. SEAS 8 TO 12 FT ELSEWHERE N OF 16N. SEAS 8 TO 9
FT FROM 03N TO 16N E OF 155W.

.SEAS 8 FT OR LOWER REMAINDER OF FORECAST AREA.

$$

.FORECASTER WROE. HONOLULU HI.



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