High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 110940
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN DEC 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 11.
24 HOUR FORECAST VALID 0600 UTC DEC 12.
48 HOUR FORECAST VALID 0600 UTC DEC 13.

.WARNINGS.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 40N170E 994 MB. WITHIN 240 NM E OF A
FRONT FROM LOW CENTER TO 35N168E TO 31N163E WINDS 25 TO 35 KT.
SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 52N176E 960 MB. WITHIN 120 NM S AND SE AND
360 NM N AND NE QUADRANTS WINDS 40 TO 55 KT. SEAS 14 TO 22 FT.
ELSEWHERE WITHIN 300 NM S SEMICIRCLE...420 NM NW AND 540 NM NE
QUADRANTS...AND 420 NM E OF A LINE FROM 52N176W TO 48N173W TO
38N173W WINDS 30 TO 45 KT. SEAS 10 TO 18 FT.

...GALE WARNING...
.WITHIN 300 NM N OF A FRONT FROM 54N169E TO 52N177E TO 50N171W
WINDS 25 TO 35 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 52N162E BELOW.

...GALE WARNING...
.LOW 33N155W 1012 MB NEARLY STATIONARY. WITHIN 300 NM N AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN
420 NM N AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 32N156W 1012 MB. WITHIN 240 NM N OF A LINE
FROM 31N159W TO 32N148W TO 34N134W WINDS 25 TO 35 KT. SEAS 9 TO
15 FT.
.48 HOUR FORECAST LOW 30N148W 1006 MB. WITHIN 420 NM NW
SEMICIRCLE N OF 30N WINDS 25 TO 40 KT. SEAS 10 TO 19 FT.

...GALE WARNING...
.LOW 32N173E 1003 MB MOVING E 15 KT. N OF 30N AND WITHIN 360 NM
S AND SE AND 180 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13
FT.
.24 HOUR FORECAST LOW 34N179W 1005 MB. WITHIN 360 NM E AND NE
AND 240 NM S AND SW QUADRANTS N OF 30N WINDS 25 TO 35 KT. SEAS 8
TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH
LOW 52N176E ABOVE.

...GALE WARNING...
.LOW 49N169E 989 MB MOVING NW. WITHIN 240 NM E AND NE OF A FRONT
FROM LOW CENTER TO 48N174E TO 45N176E TO 38N173E WINDS 25 TO 35
KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 240 NM S AND SW QUADRANTS
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 52N162E 982 MB. FRONT TO EXTEND FROM
56N174E TO 54N176W TO 50N169W TO 47N172W TO 43N177W. WITHIN 240
NM N OF THE FRONT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE
WITHIN 240 NM E OF THE FRONT WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 180 NM N AND E OF A
LINE FROM 60N178W TO 58N167W TO 55N160W TO 49N158W WINDS 20 TO
30 KT. SEAS TO 10 FT.

...GALE WARNING...
.N OF 56N BETWEEN 135W AND 143W AREA OF N TO NE WINDS 25 TO 35
KT. SEAS TO 10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW W OF AREA 46N153E 983 MB MOVING E 15 KT. OVER FORECAST
WATERS WITHIN 540 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 17
FT.
.24 HOUR FORECAST LOW 47N161E 982 MB. WITHIN 360 NM SE AND 960
NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 14 TO 26 FT.
.48 HOUR FORECAST LOW 48N171E 986 MB. WITHIN 780 NM S AND SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 26 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 59N AND W OF THE ALASKAN
COAST.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.LOW 48N125W 1005 MB DRIFTING E. WITHIN 180 NM S QUADRANT WINDS
20 TO 30 KT. SEAS 9 TO 14 FT.
.24 HOUR FORECAST LOW INLAND WITH CONDITIONS DESCRIBED WITH LOW
47N126W BELOW.

.LOW 46N144W 1014 MB MOVING E 25 KT. WITHIN 240 NM SW SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED BELOW
WITH LOW 47N126W.

.LOW 49N132W 1004 MB MOVING SE 20 KT. WITHIN 420 NM S AND 240 SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 47N126W 1009 MB. WITHIN 420 NM SW
SEMICIRCLE WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N
BETWEEN 174E AND 180W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 50N BETWEEN 176W AND
166W.
.48 HOUR FORECAST DENSE FOG FROM 38N TO 49N BETWEEN 170W AND
174W.

.HIGH 41N157W 1029 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 42N157W 1032 MB.
.48 HOUR FORECAST HIGH 44N154W 1033 MB.

.48 HOUR FORECAST NEW HIGH 52N150W 1035 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 SUN DEC 11.
24 HOUR FORECAST VALID 0600 UTC MON DEC 12.
48 HOUR FORECAST VALID 0600 UTC TUE DEC 13.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95W TO 13.5N96.5
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT.
SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO
14N95W 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 07N99W
TO 11N104W WINDS 20 KT OR LESS. SEAS TO 11 FT IN N TO NE SWELL.
.12 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95W
TO 12.5N97W INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS TO 10 FT. ELSEWHERE AREA BOUNDED BY LINE FROM
16N95W TO 08N94W TO 08N99W TO 10N103W TO 16N95W WINDS 20 KT OR
LESS. SEAS TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14N BETWEEN 94.5W AND
95.5W N TO NE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND
95.5W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.FROM 09N TO 11N E OF 89W INCLUDING THE GULF OF PAPAGAYO...NE
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 08N TO 10N BETWEEN 91W AND 94W WINDS 20
KT OR LESS. SEAS 8 FT IN N TO NE SWELL.
.36 HOUR FORECAST LOW PRES NEAR 10N88W 1009 MB. WITHIN 150 NM NE
QUADRANT OF LOW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 10N90W 1009 MB. WITHIN 150 NM NE
QUADRANT OF LOW WINDS 20 TO 25 KT. SEAS TO 8 FT.

.FROM 09N TO 14N BETWEEN 132W AND 135W NE WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT. ELSEWHERE FROM 07N TO 17N W OF 125W WINDS 20 KT
OR LESS. SEAS TO 9 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 07N TO 13N W OF 133W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED NE AND NW SWELL.
.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 SUN DEC 11...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 08N85W TO 05N95W. ITCZ CONTINUES
FROM 05N95W TO 09N109W TO 05N133W TO BEYOND 06N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 06N TO 08N BETWEEN 80W AND 83W AND
FROM 08N TO 15N BETWEEN 106W AND 126W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.



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