High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 172201
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI NOV 17 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 17.
24 HOUR FORECAST VALID 1800 UTC NOV 18.
48 HOUR FORECAST VALID 1800 UTC NOV 19.

.WARNINGS.

...STORM WARNING...
.LOW NW OF AREA 58N163E 995 MB MOVING NE 20 KT. FRONT EXTENDS
FROM 55N169E TO 48N170E TO 43N169E TO 37N167E TO 30N162E. WITHIN
420 NM E OF THE FRONT N OF 40N AND 540 NM S QUADRANT WINDS 25 TO
35 KT. SEAS 9 TO 16 FT. ELSEWHERE WITHIN 180 NM W OF THE FRONT S
OF 48N WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW NW OF AREA 65N177E 996 MB. FRONT TO EXTEND
FROM 59N173W TO 51N179W TO 43N175E TO 35N172E TO 31N169E. WITHIN
240 NM W OF THE FRONT S OF 46N WINDS 25 TO 35 KT. SEAS 9 TO 18
FT. ELSEWHERE WITHIN 660 NM S QUADRANT...300 NM E AND SE OF THE
FRONT N OF 37N...AND 180 NM NE OF A LINE FROM 63N172W TO 61N169W
TO 58N165W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 63N162W 982 MB
AND SECOND CENTER 57N150W 982 MB. WITHIN 540 NM SW QUADRANT OF
FIRST CENTER WINDS 40 TO 50 KT. SEAS 16 TO 28 FT. ELSEWHERE
WITHIN 660 NM W AND SW QUADRANTS OF FIRST CENTER AND 780 NM SW
QUADRANT OF SECOND CENTER WINDS 30 TO 45 KT. SEAS 10 TO 20 FT.
ALSO WITHIN 120 NM E AND 360 NM SE QUADRANTS WINDS 20 TO 30 KT.
SEAS TO 10 FT.

...STORM WARNING...
.LOW 40N145W 1011 MB MOVING NE 25 KT. WITHIN 180 NM E AND 300 NM
SE QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 49N134W 999 MB. WITHIN 300 NM E AND SE OF
A FRONT FROM 52N131W TO LOW CENTER TO 40N142W WINDS 25 TO 40 KT.
SEAS 9 TO 16 FT.
.30 HOUR FORECAST LOW 51N131W 994 MB. WITHIN 120 NM E AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 20 FT.
.48 HOUR FORECAST LOW INLAND NEAR 54N122W 991 MB. FRONT TO
EXTEND FROM 48N124W TO 36N139W. WITHIN 180 NM E AND SE OF THE
FRONT WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.

...STORM WARNING...
.24 HOUR FORECAST N OF 34N AND W OF 162E WINDS 25 TO 35 KT. SEAS
TO 12 FT.
.42 HOUR FORECAST LOW W OF AREA NEAR 51N152E 960 MB. WITHIN 420
NM SE QUADRANT WINDS 35 TO 50 KT. SEAS 14 TO 28 FT.
.48 HOUR FORECAST LOW NW OF AREA. W OF A LINE FROM 55N171E TO
51N176E TO 46N177W WINDS 25 TO 40 KT. SEAS 11 TO 24 FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 57N141W 987 MB MOVING S 10 KT.
WITHIN 780 NM W AND 540 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 9
TO 18 FT. ELSEWHERE WITHIN 180 NM E AND NE QUADRANTS WINDS 20 TO
30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 55N141W 999 MB. WITHIN 600 NM W AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 50N135W 1000 MB. WITHIN 180 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 11 FT.

...GALE WARNING...
.LOW 40N153W 1009 MB MOVING S 20 KT. WITHIN 660 NM W AND NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST LOW 31N154W 1007 MB. WITHIN 660 NM N AND NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW 30N153W 1004 MB. WITHIN 780 NM NW AND 480
NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.

...GALE WARNING...
.LOW S OF AREA NEAR 28N171E 1007 MB MOVING N 10 KT. N OF 30N AND
WITHIN 1020 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 30N172E 1010 MB. WITHIN 660 NM NE QUADRANT
WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW MOVED S OF AREA. WITHIN 360 NM NE OF A
LINE FROM 44N165E TO 36N168E TO 30N174E WINDS 25 TO 35 KT. SEAS
10 TO 18 FT.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 36N BETWEEN
178E AND 168E.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM E OF A LINE FROM
63N177W TO 56N178W TO 45N176E.
.48 HOUR FORECAST DENSE FOG FROM 38N TO 46N BETWEEN 177E AND
166E.

.HIGH 40N129W 1024 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 37N126W 1026 MB.
.48 HOUR FORECAST HIGH 33N124W 1022 MB.

.HIGH 46N170W 1040 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 45N169W 1038 MB.
.48 HOUR FORECAST HIGH 42N172W 1038 MB.

.24 HOUR FORECAST HIGH 47N168E 1035 MB.
.48 HOUR FORECAST HIGH 50N176W 1042 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 FRI NOV 17.
24 HOUR FORECAST VALID 1800 UTC SAT NOV 18.
48 HOUR FORECAST VALID 1800 UTC SUN NOV 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO 13N96W...
INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO
9 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 95.5W INLCUDING THE
GULF OF TEHUANTEPEC...N WINDS INCREASING 20 TO 30 KT. SEAS
BUILDING TO 8 FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO
14N96W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35
KT. SEAS BUILDING 9 TO 11 FT. ELSEWHERE WITHIN 60 NM OF LINE
FROM 16N95W TO 13N96W N WINDS 20 TO 25 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 28N128W 1017 MB WITH FRONT FROM LOW TO 25N130W TO
20N137W. N OF 28N BETWEEN 132W AND 137W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN NW SWELL.
.12 HOUR FORECAST LOW PRES NEAR 28N128W 1017 MB WITH DISSIPATING
STATIONARY FRONT THROUGH 25N130W TO 22N134W. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST GULF OF CALIFORNIA N OF 29N NW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA FROM 26N TO 29N NW WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST N OF 27N W OF 138W SE TO S WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST W OF A LINE FROM 30N137W TO 23N140W S WINDS 20
TO 25 KT. SEAS TO 9 FT.

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

CONVECTION VALID AT 2115 UTC FRI NOV 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 10N90W TO 08N110W TO
10N125W WHERE IT TRANSITIONS TO THE INTERTROPICAL CONVERGENCE
ZONE...AND EXTENDS FROM 10N125W TO BEYOND 10N140W. SCATTERED
MODERATE IS NOTED FROM 07N TO 10N BETWEEN 117W AND 120W. SIMILAR
CONVECTION IS FROM 11N TO 14N BETWEEN 123W AND 131W.

$$
.FORECASTER COBB. NATIONAL HURRICANE CENTER.



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