High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 100947
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SAT DEC 10 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 10.
24 HOUR FORECAST VALID 0600 UTC DEC 11.
48 HOUR FORECAST VALID 0600 UTC DEC 12.

.WARNINGS.

...GALE WARNING...
.LOW 47N175E 992 MB MOVING N 15 KT NEXT 12 HOURS THEN WILL TURN
NW. FRONT FROM 50N171E TO 49N177E TO 47N176W TO 42N174W TO
37N175W. WITHIN 360 NM SW SEMICIRCLE AND 360 NM N AND 180 NM E
OF THE FRONT WINDS 25 TO 40 KT. SEAS 12 TO 24 FT...EXCEPT N AND
E OF THE FRONT 10 TO 17 FT.
.24 HOUR FORECAST LOW 52N165E 990 MB. WITHIN 300 NM N OF A FRONT
FROM 53N168E TO 52N178E TO 50N170W WINDS 25 TO 40 KT. SEAS 9 TO
18 FT.
.48 HOUR FORECAST LOW W OF AREA WITH CONDITIONS DESCRIBED WITH
LOW 53N165E BELOW.

...GALE WARNING...
.LOW 48N132W 997 MB MOVING E 10 KT. WITHIN 360 NM SE AND 480 NM
SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 48N126W 1005 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW INLAND WITH CONDITIONS DESCRIBED WITH LOW
47N124W DESCRIBED BELOW.

...GALE WARNING...
.LOW 33N156W 1009 MB NEARLY STATIONARY. WITHIN 240 NM N AND NW
QUADRANTS...AND 240 NM N OF A FRONT FROM LOW CENTER TO 34N153W
TO 33N150W TO 34N146W TO 35N142W WINDS 25 TO 40 KT. SEAS 10 TO
18 FT.
.24 HOUR FORECAST LOW 33N155W 1010 MB. FROM 33N TO 38N BETWEEN
160W AND 146W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 31N157W 1012 MB.
WITHIN 300 NM N OF A LINE FROM LOW CENTER TO 32N148W TO 34N137W
WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 31N160E 1004 MB MOVING NE 20 KT. N OF 30N AND WITHIN 240 NM
E AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 32N173E 1003 MB. N OF 30N AND WITHIN 300
NM S AND SE SEMICIRCLES WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 34N179W 1010 MB. WITHIN 360 NM E AND NE
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.LOW 48N157W 1018 MB MOVING E 25 KT. WITHIN 240 NM W AND SW
SEMICIRCLES WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 46N141W 1009 MB. WITHIN 240 NM SW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 47N124W
DESCRIBED BELOW.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 49N169E 988 MB. WITHIN 240 NM S AND SE
QUADRANTS AND 240 NM E OF A FRONT FROM 48N177E TO 43N174E TO
37N171E WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST LOW 53N165E 984 MB. OVER FORECAST WATERS
WITHIN 660 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
ELSEWHERE WITHIN 360 NM E OF A FRONT FROM 57N176W TO 52N173W TO
46N175W TO 39N178W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 47N160E 982 MB. WITHIN 420 NM SE AND 720
NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 26 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 39N171E 995 MB. WITHIN 180 NM E OF A FRONT
FROM LOW CENTER TO 34N168E TO 31N165E WINDS 25 TO 40 KT. SEAS 9
TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W AND N OF A LINE FROM 57N162W
TO 59N168W TO 59N179W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N AND
W OF THE ALASKAN COAST.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.LOW 51N136W 996 MB MOVING S 10 KT NEXT 12 HOURS THEN WILL TURN
SE. WITHIN 120 NM NW AND 360 NM NE QUADRANTS WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 50N134W 1004 MB. WITHIN 540 NM S AND 360
NM W AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 47N124W 1011 MB. WITHIN 360 NM S AND 840
NM W QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.LOW 54N152W 1008 MB MOVING SE 15 KT. WITHIN 540 NM W QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.LOW 40N126W 1014 MB MOVING SE 15 KT. WITHIN 360 NM S AND SE
QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 42N TO 48N BETWEEN 177W AND 175E.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 51N BETWEEN 165W AND
178W.

.HIGH 42N162W 1028 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 42N158W 1030 MB.
.48 HOUR FORECAST HIGH 43N157W 1033 MB.

.HIGH 36N173E 1020 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST NEW HIGH 53N152W 1032 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 0600 UTC SAT DEC 10.
24 HOUR FORECAST VALID 0600 UTC SUN DEC 11.
48 HOUR FORECAST VALID 0600 UTC MON DEC 12.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM OF LINE FROM 16N95W TO 14N95W TO 12.5N96.5W
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT.
SEAS 11 TO 17 FT. ELSEWHERE WITHIN 90 NM OF LINE FROM 16N95W TO
14N95W TO 12N97.5W TO 11.5N102W N TO NE WINDS 20 TO 30 KT. SEAS
8 TO 12 FT. REMAINDER OF AREA BOUNDED BY LINE FROM 16N95W TO
14N92W TO 10N97W TO 12N101W TO 16N95W WINDS 20 KT OR LESS. SEAS
TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95W
TO 13.5N95.5W INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 75 NM OF LINE
FROM 16N95W TO 14.5N95W TO 13N97W N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT. REMAINDER AREA BOUNDED BY LINE FROM 16N95W TO
08N91W TO 06N97W TO 10N105W TO 12N105W TO 16N95W WINDS 20 KT OR
LESS. SEAS TO 10 FT IN N TO NE SWELL.
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95.5W
TO 13.5N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
ELSEWHERE AREA BOUNDED BY LINE FROM 16N95W TO 09N91W TO 07N97W
TO 10N107W TO 16N95W WINDS 20 KT OR LESS. SEAS TO 10 FT IN N TO
NE SWELL.
.48 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W N TO NE
WINDS 20 TO 25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.FROM 09.5N TO 11.5N E OF 89W INCLUDING THE GULF OF
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11N86W TO 08.5N92W
INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 9
FT.
.24 HOUR FORECAST FROM 09.5N TO 11.5N E OF 89W INCLUDING THE
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 07N TO 17N W OF 122W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 09N TO 12N W OF 138W NE WINDS 20 TO 25
KT. SEAS 9 FT. ELSEWHERE FROM 07N TO 16N W OF 127W WINDS 20 KT
OR LESS. SEAS TO 9 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 08N TO 11N W OF 136W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.

.30 HOUR FORECAST N OF 28N E OF 117W NW WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0900 UTC SAT DEC 10...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N77W TO 08N87W TO 06N92W TO 06N98W. ITCZ
CONTINUES FROM 06N98W TO 06N102W TO 09N117W TO 07N129W TO BEYOND
08N140W. SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 12N
BETWEEN 109W AND 126W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.


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