High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 190354
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN NOV 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 19.
24 HOUR FORECAST VALID 0000 UTC NOV 20.
48 HOUR FORECAST VALID 0000 UTC NOV 21.

.WARNINGS.

...STORM WARNING...
.LOW NW OF AREA 66N178W 988 MB MOVING SE 25 KT. FRONT EXTENDS
FROM THE LOW TO 62N168W TO 58N162W. OVER FORECAST WATERS NE OF
THE FRONT...AND WITHIN 720 NM S QUADRANT WINDS 25 TO 40 KT. SEAS
8 TO 16 FT. ELSEWHERE WITHIN 1080 NM S QUADRANT WINDS 20 TO 30
KT. SEAS 8 TO 13 FT.
.12 HOUR FORECAST LOW 66N169W 984 MB. WITHIN 600 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 14 TO 26 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DESCRIBED
BELOW WITH NEW LOW 57N150W.

...STORM WARNING...
.OVER FORECAST WATERS W OF A LINE FROM 51N163E TO 44N167E TO
34N160E WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.12 HOUR FORECAST LOW NW OF AREA 53N154E 974 MB. WITHIN 480 NM
SE QUADRANT WINDS 35 TO 50 KT. SEAS 14 TO 28 FT.
.24 HOUR FORECAST LOW WELL NW OF AREA. CONDITIONS DESCRIBED
BELOW WITH NEW LOW 56N160E.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 57N150W 975 MB. WITHIN 120 NM NW...600
NM W AND 480 NM SW QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 28
FT...EXCEPT NW QUADRANT SEAS 8 TO 14 FT. ELSEWHERE OVER FORECAST
WATERS N OF A LINE FROM 60N178W TO 41N160W TO 50N140W WINDS 25
TO 40 KT. SEAS 8 TO 22 FT...HIGHEST N OF THE ALEUTIANS.
.48 HOUR FORECAST LOW 51N151W 978 MB. WITHIN 300 NM W QUADRANT
WINDS 40 TO 50 KT. SEAS 20 TO 30 FT. ELSEWHERE FROM 150W TO 165W
BETWEEN ALASKA AND 35N WINDS 30 TO 40 KT. SEAS 12 TO 26
FT...HIGHEST NEAR 46N159W. ALSO WITHIN 180 NM N AND NE OF A
FRONT FROM 56N150W TO 56N143W TO 52N137W WINDS 25 TO 35 KT. SEAS
8 TO 19 FT.

...GALE WARNING...
.LOW 53N130W 996 MB MOVING NE 15 KT. FRONT TO EXTEND FROM THE
LOW TO 42N141W. WITHIN 150 NM SE QUADRANT WINDS 35 TO 45 KT.
SEAS 10 TO 18 FT. ELSEWHERE WITHIN 300 NM E OF THE FRONT WINDS
25 TO 35 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW WELL INLAND WITH NEW LOW TO FORM NEAR
47N125W 1000 MB. WITHIN 180 NM S QUADRANT WINDS 35 TO 45 KT.
SEAS 12 TO 20 FT. ELSEWHERE BETWEEN 124W AND A FRONT FROM THE
LOW TO 41N132W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW DISSIPATED. OVER FORECAST WATERS FROM 38N
TO 45N E OF 130W WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 32N152W 1004 MB DRIFTING E WILL
MOVE NE AFTER 24 HOURS. WITHIN 720 NM W AND 480 NM NW QUADRANTS
WINDS 25 TO 35 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST COMBINED LOW 32N150W 998 MB. N OF 30N WITHIN
360 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 19 FT.
ELSEWHERE FROM 30N TO 40N BETWEEN 145W AND 170W WINDS 20 TO 30
KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 37N142W 994 MB. N OF 30N BETWEEN 180 NM
AND 600 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.LOW 32N171E 1009 MB MOVING SW 10 KT. WITHIN 840 NM N AND 600 NM
E AND NE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 420 NM E OF A LINE FROM
40N167E TO 30N174E WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST FROM 30N TO 36N BETWEEN 170E AND 175W WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW NW OF AREA 56N160E 998 MB. FROM 40N TO
55N BETWEEN 166E AND 179E WINDS 25 TO 35 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST LOW NW OF AREA 63N174E 984 MB. OVER FORECAST
WATERS WITHIN 660 NM S AND SE AND 480 NM E QUADRANTS WINDS 25 TO
40 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 44N163E 1007 MB. FRONT TO EXTEND FROM
THE LOW TO 33N160E. WITHIN 120 NM W OF THE FRONT WINDS 25 TO 35
KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 37N TO 43N BETWEEN 160E
AND 170E WINDS 20 TO 30 KT. SEAS TO 12 FT.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 62N W OF ALASKA.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
ALASKA.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 62N W OF ALASKA.

.SYNOPSIS AND FORECAST.

.LOW 56N137W 1002 MB MOVING NE 10 KT. WITHIN 180 NM N SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 53N141W 1001 MB MOVING SE 15 KT. WITHIN 900 NM SW AND 300
NM W QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.48 HOUR FORECAST OVER FORECAST WATERS NW OF A LINE FROM 47N160E
TO 52N170E WINDS 20 TO 30 KT. SEAS 11 TO 16 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM OF
58N167W AND 120 NM E OF A LINE FROM 51N176W TO 47N180W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM OF 47N173E.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM E OF A LINE FROM
52N178W TO 43N175E.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
WITHIN 90 NM OF 39N134W.
.48 HOUR FORECAST DENSE FOG WITHIN THE REGION BOUNDED BY A LINE
FROM 45N126W TO 39N135W TO 37N125W TO 45N126W.

.HIGH 37N126W 1022 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 33N124W 1020 MB.
.48 HOUR FORECAST HIGH 32N124W 1019 MB.

.HIGH 44N171W 1037 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 43N174W 1037 MB.
.48 HOUR FORECAST HIGH MERGED WITH HIGH 40N175W DESCRIBED BELOW.

.HIGH 49N172E 1036 MB MOVING NE 20 KT WILL TURN SE AFTER 12
HOURS.
.24 HOUR FORECAST HIGH 48N175W 1040 MB.
.48 HOUR FORECAST HIGH 40N175W 1033 MB.

.48 HOUR FORECAST HIGH 46N170E 1030 MB.

.FORECASTER REINHART. 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 0000 UTC SUN NOV 19.
24 HOUR FORECAST VALID 0000 UTC MON NOV 20.
48 HOUR FORECAST VALID 0000 UTC TUE NOV 21.

.WARNINGS.

...GALE WARNING...
.12 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W
AND 95.5W N TO NE WINDS 20 TO 30 KT. SEAS TO 8 FT.
.15 HOUR FORECAST WITHIN 15 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 8 TO 10 FT. ELSEWHERE WITHIN 60 NM OF SAME LINE
N TO NE WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14N96W N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE
WITHIN 75 NM EITHER SIDE OF A LINE FROM 16N95W TO 13N96W N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.42 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13.5N96W TO 11N100W N TO NE WINDS 20 TO 25 KT...EXCEPT TO 30
KT N OF 14.5N. SEAS 8 TO 12 FT...HIGHEST NEAR 12.5N96.5W.
ELSEWHERE WITHIN AREA BOUNDED BY 13N94W TO 16N94W TO 12N101W TO
10N101W TO 10N97W TO 11N95W TO 13N94W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED NE AND S SWELL.
.48 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. ELSEWHERE WITHIN
AREA BOUNDED BY 14N96W TO 10N94W TO 08N101W TO 11N103W TO 14N96W
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 W OF 110W NW TO N WINDS 20 TO 30 KT.
SEAS BUILDING TO 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA CONDITIONS IMPROVE. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 16N127W TO 18N130W TO 14N140W TO 12N137W
TO 13N126W TO 16N127W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE
AND NW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN AREA BOUNDED BY 30N139W TO 30N140W TO
28N140W TO 29N139W TO 30N139W SE TO S WINDS 20 TO 25 KT. SEAS 8
FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 30N136W TO 30N140W TO
23N140W TO 24N138W TO 30N136W S WINDS 20 TO 30 KT. SEAS 8 TO 12
FT...HIGHEST NEAR 29N139W.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N133W TO 30N140W TO
22N140W TO 24N137W TO 30N133W S TO SW WINDS 20 TO 30 KT. SEAS 8
TO 12 FT...HIGHEST NEAR 30N136W.

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

CONVECTION VALID AT 0230 UTC SUN NOV 19...

.COLD FRONT WELL W OF AREA...SCATTERED MODERATE ISOLATED STRONG
WITHIN AREA BOUNDED BY 30N140W TO 30N138W TO 23N140W TO 30N140W.
SCATTERED MODERATE WITHIN AREA BOUNDED BY 23N140W TO 23N132W TO
19N134W TO 17N140W TO 23N140W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N76W TO 08N76W TO 09N106W.
ITCZ AXIS EXTENDS FROM 09N106W TO 10N120W TO 10N130W TO 12N140W.
SCATTERED MODERATE ISOLATED STRONG WITHIN AREA BOUNDED BY 13N118W
TO 10N116W TO 07N125W TO 11N126W TO 13N118W AND WITHIN AREA
BOUNDED BY 15N136W TO 10N126W TO 06N127W TO 11N136W TO 15N136W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.


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