High Seas Forecast
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000
FZPN02 KWBC 231125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 23.
24 HOUR FORECAST VALID 0600 UTC OCT 24.
48 HOUR FORECAST VALID 0600 UTC OCT 25.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW JUST W OF AREA 48N157E 989 MB MOVING NE 15 KT AND RAPIDLY
INTENSIFYING. WITHIN 420 NM E AND 540 NM SE QUADRANTS WINDS 40
TO 50 KT. SEAS 16 TO 23 FT. ELSEWHERE N OF 30N W OF 170E WINDS
25 TO 40 KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW 54N167E 941 MB. WITHIN 360 NM NE AND 780
NM SE AND S QUADRANTS WINDS WINDS 50 TO 65 KT. SEAS 20 TO 42
FT...HIGHEST IN S QUADRANT. ALSO WITHIN 540 NM NE 900 NM SE AND
S QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 26 FT. ELSEWHERE
WITHIN 600 NM NE...1140 NM SE AND 1200 NM S QUADRANT. WINDS 20
TO 30 KY SEAS 8 TO 18 FT.
.48 HOUR FORECAST LOW 51N179E 946 MB. WITHIN 480 NM S SEMICIRCLE
AND WITHIN 180 NM NW OF FRONT TO EXTEND FROM 51N172E TO 55N176E
TO 59N167W WINDS 50 TO 65 KT. SEAS 20 TO 45 FT. ALSO WITHIN 840
NM NE AND E...720 S AND SW...480 NM W AND 360 NM NW QUADRANTS
WINDS 35 TO 50 KT. SEAS 15 TO 28 FT. ELSEWHERE WITHIN 1140 NM S
AND 900 NM N SEMICIRCLES WINDS 25 TO 35 KT. SEAS 12 TO 20 FT.

...STORM WARNING...
.LOW 45N147W 998 MB MOVING NE 45 KT. FRONT EXTENDS FROM 47N133W
TO THE LOW CENTER TO 36N154W. WITHIN 300 NM SE OF THE FRONT
WINDS 25 TO 40 KT. SEAS 13 TO 20 FT. ELSEWHERE WITHIN 180 NM NW
SEMICIRCLE AND 360 NM SE OF THE FRONT WINDS 20 TO 30 KT. SEAS 11
TO 17 FT.
.12 HOUR FORECAST LOW 53N137W 999 MB. WITHIN 240 NM E AND NE
QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 22 FT.
.24 HOUR FORECAST LOW INLAND NEAR 59N124W. OVER FORECAST WATERS
WITHIN 600 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW INLAND. CONDITIONS DESCRIBED WITH LOW
55N123W.

...GALE WARNING...
.LOW 56N155W 1000 MB MOVING NE 20 KT. WITHIN 120 NM OF LOW
EXCEPT WITHIN 240 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 13
FT.
.24 HOUR FORECAST LOW MOVED WELL INLAND AND CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 33N159W 1007 MB MOVING NE 10 KT. FRONT EXTENDS FROM 36N154W
TO THE LOW TO 30N163W. OVER FORECAST WATERS WITHIN 600 NM E OF
THE FRONT WINDS TO 25 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 36N152W 1006 MB. FRONT TO EXTEND FROM
50N136W TO THE LOW TO 30N156W. WITHIN 240 NM E OF THE FRONT N OF
THE LOW...AND WITHIN 360 NM EITHER SIDE OF THE FONT S OF THE LOW
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW 33N157W 1011 MB. BETWEEN 30N AND A LINE
FROM 30N167W TO 44N153W TO 35N142W TO 30N143W WINDS 25 TO 40 KT.
SEAS 12 TO 22 FT.

...GALE WARNING...
.LOW 47N159W 1011 MB MOVING NE 10 KT. OVER FORECAST WATERS
BETWEEN 180W AND A LINE FROM 30N156W TO THE LOW TO 59N174W WINDS
20 TO 30 KT. SEAS 8 TO 15 FT...HIGHEST NEAR 34N172W.
.24 HOUR FORECAST LOW 51N154W 1006 MB. WITHIN 240 NM OF LOW
WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.LOW 60N163W 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 39N BETWEEN 120W AND 126W N TO NW WINDS TO 25 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 33N TO 44N BETWEEN 124W AND 128W N TO NW
WINDS 20 TO 30 KT. SEAS 9 TO 12 FT.
.48 HOUR FORECAST FROM 41N TO 45N 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 34N
TO 53N BETWEEN 164E AND 175E.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM SE OF A LINE FROM
52N132W TO 50N141W TO 43N146W.

.HIGH 36N132W 1031 MB MOVING N 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 40N174E 1033 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH 34N175W 1027 MB.
.48 HOUR FORECAST HIGH 31N176W 1025 MB.

.30 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 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 MON OCT 23.
24 HOUR FORECAST VALID 0600 UTC TUE OCT 24.
48 HOUR FORECAST VALID 0600 UTC WED OCT 25.

.WARNINGS.

...STORM WARNING...
.GULF OF TEHUANTEPEC N OF 13.5N BETWEEN 94W AND 95.5W N WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.03 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 45 NM
EITHER SIDE OF A LINE FROM 16N95W TO 13.5N95.5W N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 60 NM
EITHER SIDE OF A LINE FROM 16N95W TO 12N96W N TO NE WINDS 20 TO
30 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA BOUNDED BY 16N94W TO
12N94W TO 10N95W TO 10N97W TO 14N97W TO 16N96W TO 16N94W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND S SWELL.
.42 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
40 TO 50 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 60 NM EITHER
SIDE OF A LINE FROM 16N95W TO 12.5N95.5W N TO NE WINDS 30 TO 40
KT. SEAS 10 TO 16 FT. REMAINDER OF AREA WITHIN 120 NM EITHER
SIDE OF A LINE FROM 16N95W TO 12.5N95.5W N TO NE WINDS 20 TO 30
KT. SEAS 8 TO 14 FT. ALSO WITHIN AREA BOUNDED BY 10N93W TO
11N97W TO 10N101W TO 12N100W TO 16N95W TO 15N93W TO 10N93W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND S 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
40 TO 50 KT. SEAS 12 TO 21 FT. ELSEWHERE WITHIN 75 NM EITHER
SIDE OF A LINE FROM 16N95W TO 14N95W TO 11.5N96.5W N TO NE WINDS
30 TO 40 KT. SEAS 10 TO 16 FT. REMAINDER OF AREA WITHIN 90 NM
EITHER SIDE OF A LINE FROM 16N95W TO 12.5N95.5W TO 10N97W N TO
NE WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. ALSO WITHIN AREA BOUNDED
BY 16N94W TO 06N91W TO 06N102W TO 16N96W TO 16N94W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND S SWELL.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA N OF 25N NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.W OF LINE FROM 30N116W TO 17N107W TO 07N107W TO 00N121W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST NW OF LINE FROM 30N117W TO 09N140W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT. WITHIN AREA BOUNDED BY 15N130W TO
18N112W TO 02N100W TO 02N117W TO 10N130W TO 15N130W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N126W TO 30N116W TO
25N116W TO 10N133W TO 10N140W TO 16N140W TO 30N126W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN MIXED SW AND NW SWELL.

.30 HOUR FORECAST FROM 05N TO 07N BETWEEN 78W AND 82W SW WINDS
20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 05N TO 08N BETWEEN 81W AND 86W 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 0900 UTC MON OCT 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N84W TO 08N110W TO 08N117W. ITCZ FROM
08N117W TO 09N140W. SCATTERED MODERATE WITHIN 120 NM N OF THE
ITCZ BETWEEN 119W AND 128W. SCATTERED MODERATE ISOLATED STRONG
WITHIN 60 NM EITHER SIDE OF THE ITCZ W OF 133W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC OCT 23 2017.
24 HOUR FORECAST VALID 0600 UTC OCT 24 2017.
48 HOUR FORECAST VALID 0600 UTC OCT 25 2017.

.WARNINGS.

...GALE WARNING...
.FRONT 30N162W 26N170W 25N180W MOVING SE 20 KT. WINDS 20 TO 25
KT N OF LINE 30N158W 26N170W 26N170E 30N164E.
.24 HOUR FORECAST FRONT 30N154W 20N160W 14N167W. WINDS 25 TO 30
KT WITHIN 150 NM OF LINE 30N151W 24N155W...WINDS 20 TO 25 KT
ELSEWHERE N OF LINE 30N143W 24N150W 23N157W 30N154W. WINDS 20 TO
30 KT N OF 25N BETWEEN 162W AND 165W...WINDS 20 TO 25 KT
ELSEWHERE N OF LINE 30N159W 20N165W 22N175E 30N170W.
.30 HOUR FORECAST FRONT 30N153W 20N159W 15N156W. WINDS 30 TO 35
KT WITHIN 150 NM OF LINE 30N151W 25N154W...WINDS 20 TO 30 KT
ELSEWHERE N OF LINE 30N143W 23N150W 23N156W 30N153W. WINDS 20 TO
30 KT N OF 27N BETWEEN 160W AND 164W...WINDS 20 TO 25 KT
ELSEWHERE N OF LINE 30N158W 20N163W 22N175E 30N170W.
.48 HOUR FORECAST FRONT 30N152W 25N151W 20S154W 16N158W. WINDS
30 TO 40 KT WITHIN 200 NM E OF FRONT N OF 23N...WINDS 20 TO 30
KT ELSEWHERE N OF LINE 30N144W 23N147W 21N152W 30N154W. WINDS 20
TO 25 KT N OF LINE 30N158W 27N163W 30N166W.

.SYNOPSIS AND FORECAST.

.LOW 08N152W 1011 MB MOVING WNW 10 KT. TROUGH FROM LOW TO
15N163W 07N176W. WINDS 20 TO 25 KT WITHIN 180 NM OF LOW NE
QUADRANT. SCATTERED MODERATE TSTMS WITHIN 360 NM OF LOW.
.24 HOUR FORECAST LOW 11N156W 1011 MB. TROUGH 12N150W THROUGH
LOW TO 15N160W. WINDS 20 TO 25 KT WITHIN 250 NM OF LOW E
SEMICIRCLE.
.48 HOUR FORECAST LOW DISSIPATED. WINDS DIMINISHED TO 20 KT OR
LESS.

.ITCZ 09N140W 10N152W ISOLATED MODERATE TSTMS WITHIN 120 NM OF
ITCZ E OF 145W.

.RIDGE 30N140W 24N150W 21N162W 23N175W MOVING SE SLOWLY AND
ERODING FROM THE W.

.SEAS 8 TO 12 FT N OF LINE 05N140W 20N160W 15N175W 30N175E
10N160E.
.24 HOUR FORECAST SEAS 12 TO 16 FT N OF LINE 30N148W 25N155W
30N154W...SEAS 12 TO 17 FT N OF LINE 30N159W 22N160W 20N175E
30N172W...SEAS 8 TO 12 FT ELSEWHERE N OF LINE 10N140W 10N155W
30N160W 10N160E.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF LINE 30N148W 15N150W
21N165W 30N165W...SEAS 8 TO 12 FT ELSEWHERE N OF LINE 30N145W
15N155W 15N165E 25N160E.

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

$$
.HONOLULU FORECASTER.



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