High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 231603
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU NOV 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC NOV 23.
24 HOUR FORECAST VALID 1200 UTC NOV 24.
48 HOUR FORECAST VALID 1200 UTC NOV 25.

.WARNINGS.

...STORM WARNING...
.LOW 60N163W 978 MB MOVING SE 30 KT. OVER FORECAST WATERS WITHIN
480 NM SW SEMICIRCLE WINDS 40 TO 55 KT. SEAS 21 TO 34 FT.
ELSEWHERE WITHIN 360 NM NW...1020 NM SE...AND 660 NM SW
QUADRANTS WINDS 30 TO 40 KT. SEAS 12 TO 24 FT...HIGHEST SW
QUADRANT.
.24 HOUR FORECAST LOW 51N146W 988 MB. FROM 45N TO 57N BETWEEN
151W AND 160W WINDS 40 TO 50 KT. SEAS 20 TO 35 FT. ELSEWHERE
WITHIN 780 NM SE AND SW...AND 960 NM NW QUADRANTS WINDS 30 TO 40
KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW 48N145W 995 MB.
WITHIN 420 NM SW AND 540 NM NW QUADRANTS AREA OF NW WINDS 35 TO
45 KT. SEAS 18 TO 29 FT. ELSEWHERE WITHIN 660 NM NW AND W...AND
1080 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.

...STORM WARNING...
.OVER FORECAST WATERS W OF A LINE FROM 30N163E TO 49N165E TO
55N171E WINDS 20 TO 30 KT. SEAS TO 12 FT.
.06 HOUR FORECAST W OF A LINE FROM 41N160E TO 52N164E AREA OF S
TO SE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.12 HOUR FORECAST W OF A LINE FROM 42N160E TO 53N166E WINDS 40
TO 55 KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST NW OF A LINE FROM 48N165E TO 55N179E WINDS 30
TO 45 KT. SEAS 12 TO 22 FT. ELSEWHERE NW OF A LINE FROM 48N162E
TO 53N179E TO 55N167W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST NEW LOW JUST NW OF FORECAST AREA 62N176E 986
MB. WITHIN 480 NM E AND 720 NM SE QUADRANTS WINDS 25 TO 35 KT.
SEAS 9 TO 18 FT. ELSEWHERE WITHIN 840 NM SW QUADRANT WINDS 20 TO
30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 49N133W 1003 MB MOVING E 25 KT. WITHIN 240 NM NE AND SE AND
300 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
ELSEWHERE WITHIN 360 NM NW AND 540 NM SE QUADRANTS WINDS 20 TO
30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW
51N146W ABOVE.

...GALE WARNING...
.LOW 58N151W 985 MB MOVING SE 15 KT. EXCEPT AS DESCRIBED WITH
LOW 60N163W ABOVE...WITHIN 780 NM S QUADRANT WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT. ELSEWHERE WITHIN 480 NM SE QUADRANT WINDS 20 TO
30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 55N143W 970 MB. WITHIN 180 NM S SEMICIRCLE
AND 300 NM AND 420 NM NW QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO
24 FT. ELSEWHERE WITHIN 300 NM N AND 480 NM SE QUADRANTS WINDS
25 TO 35 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 56N142W 982 MB. WITHIN 120 NM NW AND 240
NM NE QUADRANTS WINDS 35 TO 45 KT. SEAS 10 TO 20 FT. ALSO WITHIN
360 NM NW AND 480 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18
FT. ELSEWHERE WITHIN 540 NM SE QUADRANT WINDS TO 25 KT. SEAS 9
TO 18 FT.

...GALE WARNING...
.LOW 42N175E 1016 MB MOVING NE 15 KT WITH SECOND LOW 34N170E
1013 MB MOVING NE 20 KT. WITHIN 360 NM NE AND 240 NM NW
QUADRANTS OF FIRST LOW WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
ELSEWHERE WITHIN 360 NM NW...480 NM NE AND SW...AND 300 NM SE
QUADRANTS OF FIRST LOW...AND WITHIN 480 NM E AND 540 NM W
QUADRANTS OF SECOND LOW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 45N177W 1023 MB WITH SECOND LOW 41N174E
1016 MB. WITHIN 360 NM NW AND 240 NM NE QUADRANTS OF FIRST LOW
WINDS 35 TO 45 KT. SEAS 12 TO 21 FT. ALSO WITHIN 540 NM NW...300
NM NE...AND 360 NM SE QUADRANTS OF FIRST LOW WINDS 25 TO 35 KT.
SEAS 9 TO 16 FT. ELSEWHERE WITHIN 840 NM SW QUADRANT OF FIRST
LOW WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST FIRST LOW DISSIPATED WITH SECOND LOW 49N178W
1007 MB. WITHIN 240 NM EITHER SIDE OF A LINE FROM 53N170W TO
46N172W TO 37N178E WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.24 HOUR FORECAST S OF 34N BETWEEN 137W AND 145W WINDS TO 25 KT.
SEAS TO 10 FT.
.48 HOUR FORECAST NEW LOW 36N135W 999 MB WITH SECOND NEW LOW
42N132W 999 MB. OVER FORECAST WATERS WITHIN 360 NM E AND S
QUADRANTS OF FIRST LOW...AND WITHIN 240 NM E QUADRANT OF SECOND
LOW WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE S OF 40N
BETWEEN 127W AND 140W...AND WITHIN 480 NM NE QUADRANT OF SECOND
LOW WINDS TO 25 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST.

.LOW 32N148W 1018 MB MOVING S 10 KT. WITHIN 420 NM NW AND 600 NM
W QUADRANTS AREA OF N WINDS 20 TO 30 KT. SEAS 12 TO 18 FT.
ELSEWHERE...EXCEPT AS DESCRIBED IN WARNINGS SECTION ABOVE...OVER
FORECAST WATERS WITHIN AN AREA BOUNDED BY 30N172W TO 45N152W TO
43N125W TO 30N132W TO 30N172W WINDS TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 31N TO 36N BETWEEN 120W
AND 124W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST NEW LOW 45N172E 1006 MB. WITHIN 180 NM
NW...300 NM SE...AND 480 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 12 FT.

.48 HOUR FORECAST OVER FORECAST WATERS FROM 36N TO 47N W OF 162E
WINDS 20 TO 30 KT. SEAS TO 12 FT.

.LIGHT TO MODERATE FREEZING SPRAY OVER FORECAST WATERS N OF 63N
W OF ALASKA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY E OF A LINE
FROM 62N167W TO 65N169W AND W OF ALASKA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 45N
BETWEEN 125W AND 129W...AND FROM 41N TO 45N BETWEEN 179E AND
176E.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM EITHER SIDE OF A LINE
FROM 44N175W TO 44N179E TO 39N175E.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 53N BETWEEN 168W AND
179W.

.HIGH 33N126W 1022 MB DRIFTING W.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 39N169W 1034 MB DRIFTING SE.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 51N175E 1037 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 51N172W 1041 MB.
.48 HOUR FORECAST HIGH 40N164W 1037 MB.

.24 HOUR FORECAST NEW HIGH 39N132W 1022 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 34N164E 1021 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 48N166E 1016 MB.

.FORECASTER FIGURSKEY. 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 1200 UTC THU NOV 23.
24 HOUR FORECAST VALID 1200 UTC FRI NOV 24.
48 HOUR FORECAST VALID 1200 UTC SAT NOV 25.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM OF LINE FROM 16N95W TO 13N96W...INCLUDING THE GULF
OF TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS TO 16 FT. ELSEWHERE
WITHIN 90 NM OF LINE FROM 16N95W TO 11.5N95.5W N TO NE WINDS 20
TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 35 KT. SEAS TO 13 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM
16N95W TO 14N95W TO 11.5N97.5W N TO NE WINDS 20 TO 30 KT. SEAS 8
TO 12 FT. REMAINING WATERS FROM 08N TO 14N BETWEEN 94W AND
101.5W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NE AND SW
SWELL.
.30 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO
14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 120 NM OF LINE
FROM 16N95W TO 12N97W TO 08.5N101W WINDS 20 KT OR LESS. SEAS TO
9 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST GULF OF TEHUANTEPEC WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT. FROM 03N TO 06N BETWEEN 95W AND 104W WINDS 20 KT
OR LESS. SEAS TO 8 FT IN MIXED N TO NE AND SW SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N138.5W TO 28N140W DRIFTING SE. W OF LINE
FROM 30N129W TO 21.5N140W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT
IN NW SWELL.
.24 HOUR FORECAST STATIONARY FRONT JUST NW OF AREA. FROM 28N TO
30N BETWEEN 137.5W AND 139W S TO SW WINDS 20 TO 25 KT. SEAS 9 TO
10 FT IN NW SWELL. ELSEWHERE W OF LINE FROM 30N121W TO 13N136W
TO 12N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN NW
SWELL...HIGHEST NEAR 21N139W.
.48 HOUR FORECAST LOW PRES N OF AREA WITH COLD FRONT TO 30N138W
TO 26N140W. NW OF FRONT NW WINDS 20 TO 25 KT. SEAS 10 TO 11 FT.
N OF 28N E OF FRONT TO 132W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO
9 FT IN NW SWELL. ELSEWHERE N OF 25N W OF 136W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN NW SWELL.

.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N85.5W TO
10N88W...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 WITHIN 30 NM OF LINE FROM 11N85.5W TO
10N88W...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 1500 UTC THU NOV 23...

.SCATTERED MODERATE ISOLATED STRONG FROM 14N TO 18N
BETWEEN 97W AND 102W.

.SCATTERED MODERATE TO STRONG FROM 15.5N TO 27.5N W OF 137W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10.5N75W TO 10N87.5W TO 09.5N108W. ITCZ FROM
10N115W TO 07N137W TO BEYOND 07.5N140W. SCATTERED MODERATE
ISOLATED STRONG NE OF LINE FROM 04N77W TO 09N85W. SCATTERED
MODERATE TO STRONG WITHIN 150 NM N AND 60 NM S OF ITCZ BETWEEN
115W AND 119W...AND BETWEEN 133.5W AND 139W.

$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.


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