High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 240934
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI NOV 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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

SYNOPSIS VALID 0600 UTC NOV 24.
24 HOUR FORECAST VALID 0600 UTC NOV 25.
48 HOUR FORECAST VALID 0600 UTC NOV 26.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.24 HOUR FORECAST NEW LOW 45N169E 1005 MB. OVER FORECAST WATERS
WITHIN 480 NM S AND 720 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS
10 TO 14 FT.
.48 HOUR FORECAST LOW 53N174W 962 MB. BETWEEN 90 NM AND 240 NM S
SEMICIRCLE WINDS 55 TO 70 KT. SEAS 24 TO 38 FT. ELSEWHERE WITHIN
300 NM S SEMICIRCLE...N OF 53N BETWEEN 177W AND 179E...AND
WITHIN 120 NM NE OF A LINE FROM 59N173W TO 56N164W WINDS 40 TO
55 KT. SEAS 12 TO 24 FT. ALSO WITHIN 720 NM NE...1020 NM
SE...900 NM SW...AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
8 TO 16 FT.

...STORM WARNING...
.LOW 57N143W 974 MB MOVING SE 05 KT. BETWEEN 480 NM AND 780 NM
SW QUADRANT WINDS 40 TO 50 KT. SEAS 18 TO 32 FT. ELSEWHERE
WITHIN 180 NM NE...840 NM SE...1020 NM SW...AND 960 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 22 FT.
.24 HOUR FORECAST LOW 54N139W 983 MB. WITHIN 180 NM N AND
SE...1260 NM SW...AND 780 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS
12 TO 25 FT.
.48 HOUR FORECAST LOW 58N143W 995 MB. FROM 58N TO 60N BETWEEN
137W AND 146W WINDS 20 TO 30 KT. SEAS TO 11 FT.

...STORM WARNING...
.OVER FORECAST WATERS N OF A LINE FROM 47N162E TO 50N166E AREA
OF S WINDS 40 TO 50 KT. SEAS 18 TO 25 FT. ELSEWHERE N OF A LINE
FROM 37N160E TO 55N168E TO 55N176E WINDS 25 TO 40 KT. SEAS 9 TO
18 FT. .24 HOUR FORECAST NW OF A LINE FROM 55N175E TO 59N175W
AREA OF S TO SW WINDS 25 TO 35 KT. SEAS 12 TO 16 FT.
.48 HOUR FORECAST CONDITIONS N OF AREA.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 35N138W 1006 MB. OVER FORECAST WATERS
WITHIN 360 NM NE...300 NM SE...AND 360 NM SW QUADRANTS WINDS 25
TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 49N131W 977 MB. WITHIN 90 NM NE AND E OF A
FRONT TO EXTEND FROM LOW CENTER TO 47N127W TO 41N126W WINDS 40
TO 50 KT. SEAS 13 TO 20 FT. ELSEWHERE WITHIN 180 NM NE...720 NM
SE...540 NM SW...AND 240 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
11 TO 19 FT.

...STORM WARNING...
.48 HOUR FORECAST NEW LOW 45N175E 1008 MB. WITHIN 300 NM SW
QUADRANT WINDS 40 TO 55 KT. SEAS 18 TO 24 FT. ELSEWHERE WITHIN
480 NM S AND 540 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO
21 FT.

...GALE WARNING...
.LOW 44N178W 1023 MB MOVING NE 15 KT. FROM 45N TO 48N BETWEEN
171W AND 174E WINDS 30 TO 45 KT. SEAS 11 TO 20 FT.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 300 NM NE AND E OF A
LINE FROM 56N179E TO 52N178W TO 46N179W WINDS 25 TO 35 KT. SEAS
9 TO 16 FT.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 53N174W DESCRIBED
ABOVE.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 44N141W 995 MB. WITHIN 540 NM S...600
NM SW...AND 420 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS 14 TO 28
FT.

.SYNOPSIS AND FORECAST.

.LOW 36N172E 1014 MB MOVING NE 25 KT. WITHIN 180 NM SE OF A
FRONT FROM 40N178E TO LOW CENTER AND 300 NM E OF A FRONT FROM
LOW CENTER TO 30N174E WINDS 20 TO 30 KT. SEAS 10 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 300 NM SE AND E OF A
LINE FROM 46N178E TO 35N172E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 53N174W DESCRIBED
IN WARNINGS SECTION ABOVE.

.FROM 32N TO 36N BETWEEN 120W AND 124W AREA OF NW WINDS TO 25
KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LIGHT TO MODERATE FREEZING SPRAY OVER FORECAST WATERS N OF 64N
W OF ALASKA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 62N
BETWEEN ALASKA AND 168W.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 40N TO 52N BETWEEN 173W AND 174E.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 53N BETWEEN 160W AND
166W.

.HIGH 36N128W 1025 MB DRIFTING W.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 38N167W 1034 MB DRIFTING SE.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 51N174W 1042 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 44N165W 1038 MB.
.48 HOUR FORECAST HIGH 36N160W 1033 MB.

.48 HOUR FORECAST HIGH 38N162E 1031 MB.

.FORECASTER BELL. 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 FRI NOV 24.
24 HOUR FORECAST VALID 0600 UTC SAT NOV 25.
48 HOUR FORECAST VALID 0600 UTC SUN NOV 26.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 14N96W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT.
SEAS 10 TO 13 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM 16N95W TO
14N96W TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
REMAINDER OF AREA FROM 09N TO 13N BETWEEN 94W AND 100W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NE SWELL.
.12 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO
12N98W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 10N TO 12N BETWEEN 94W
AND 100W...AND FROM 08N TO 10N BETWEEN 98W AND 101W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS
8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.STATIONARY FRONT NEAR 30N140W. W OF LINE FROM 30N123W TO
14N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL...
EXCEPT 10 TO 14 FT FROM 20N TO 27N W OF 134W.
.24 HOUR FORECAST COLD FRONT FROM 30N136W TO 22N140W. W OF FRONT
WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL. N OF 26N E OF
FRONT TO A LINE FROM 30N133W TO 26N136W S TO SW WINDS 20 TO 25
KT. SEAS TO 9 FT. ELSEWHERE W OF A LINE FROM 22N140W TO 23N124W
TO 16N130W TO 06N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
PRIMARILY IN NW SWELL...HIGHEST NEAR 13N138W.
.30 HOUR FORECAST COLD FRONT FROM 30N134W TO 19N140W. SECONDARY
FRONT FROM 30N138W TO 27N140W. NW OF SECONDARY FRONT NW WINDS 20
TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 26N WEST OF PRIMARY
FRONT WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL. N OF 28N E OF
PRIMARY FRONT TO A LINE FROM 30N132W TO 28N134W S TO SW WINDS 20
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST PRIMARY COLD FRONT FROM 30N129W TO 20N139W.
SECONDARY COLD FRONT FROM 30N134W TO 26N140W. NW OF LINE 30N134W
TO 23N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
FROM 10N TO 15N W OF 135W...AND S OF 10N W OF 125W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

.FROM 10N TO 11N E OF 87W...INCLUDING THE GULF OF PAPAGAYO...NE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10N TO 11N E OF 88W...INCLUDING THE GULF
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 10N TO 11N E OF 87W...INCLUDING THE GULF
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0900 UTC FRI NOV 24...

. SURFACE TROUGH FROM 15N114W TO 10N119W...ISOLATED MODERATE
NEAR 19N119...AND NEAR 08N119W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 08N90W TO 07N101W. THE
ITCZ CONTINUES FROM 07N101W TO 11N117W TO 10N130W TO 09N135W TO
BEYOND 10N140W. SCATTERED MODERATE IS OCCURRING FROM 08N TO 10N
BETWEEN 130W AND 133W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.


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