High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 151125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC FRI DEC 15 2017

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15.
24 HOUR FORECAST VALID 0600 UTC DEC 16.
48 HOUR FORECAST VALID 0600 UTC DEC 17.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER NEAR 55N171W 972 MB MOVING NE 10
KT. WITHIN 120 NM NE OF A LINE FROM 54N164W TO 51N159W WINDS 35
TO 45 KT. SEAS 12 TO 20 FT. ALSO OVER FORECAST WATERS FROM 45N
TO 53N BETWEEN 175W AND 165E...FROM 48N TO 53N BETWEEN 163W AND
175W...FROM 36N TO 57N BETWEEN 149W AND 163W...AND FROM 57N TO
61N W OF 161W WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ELSEWHERE NW
OF A LINE FROM 35N171E TO 46N173E WINDS 20 TO 30 KT. SEAS 9 TO
17 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 57N170W 965
MB. FROM 47N TO 53N BETWEEN 166W AND 179E WINDS 35 TO 50 KT.
SEAS 18 TO 32 FT. ELSEWHERE NW OF A LINE FROM 42N177E TO 42N162W
TO 51N153W TO 58N155W WINDS 25 TO 40 KT. SEAS 12 TO 24
FT...EXCEPT N OF ALEUTIAN ISLANDS E OF 178W SEAS 8 TO 15 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 57N158W 982
MB. BETWEEN 120 NM AND 420 NM S SEMICIRCLE WINDS 35 TO 45 KT.
SEAS 16 TO 28 FT. ELSEWHERE N OF A LINE FROM 47N179W TO 43N168W
TO 54N134W WINDS 25 TO 40 KT. SEAS 13 TO 26 FT...EXCEPT N OF 58N
SEAS 8 TO 15 FT.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 59N150W 983 MB. WITHIN 120 NM NE OF A
LINE FROM 60N149W TO 56N140W WINDS 40 TO 50 KT. SEAS 14 TO 22
FT. ELSEWHERE OVER FORECAST WATERS N OF 54N E OF 150W WINDS 25
TO 40 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW MOVED INLAND AND CONDITIONS DESCRIBED
ABOVE WITH LOW 57N158W.

...STORM WARNING...
.24 HOUR FORECAST OVER FORECAST WATERS N OF 42N W OF 162E AREA
OF S WINDS 20 TO 30 KT. SEAS TO 8 FT.
.36 HOUR FORECAST W OF A LINE FROM 38N160E TO 47N171E AREA OF S
WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW JUST W OF AREA 44N159E 982 MB. WITHIN 360
NM E AND SE QUADRANTS WINDS 40 TO 55 KT. SEAS 12 TO 22 FT.
ELSEWHERE W OF A LINE FROM 32N166E TO 47N177E TO 55N178E WINDS
25 TO 40 KT. SEAS 9 TO 17 FT.

...GALE WARNING...
.LOW 44N168W 992 MB MOVING NE 45 KT. FRONT EXTENDS FROM LOW TO
31N169E. W OF 163W WITHIN 480 NM E QUADRANT AND 660 NM E OF
FRONT WINDS 25 TO 40 KT. SEAS 12 TO 20 FT.
.24 HOUR FORECAST LOW 54N147W 994 MB. FRONT TO EXTEND FROM LOW
TO 47N152W TO 37N163W. WITHIN 600 NM SE QUADRANT...AND WITHIN
360 NM E OF FRONT WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.36 HOUR FORECAST LOW 60N150W 975 MB. WITHIN 120 NM NE OF A LINE
FROM 60N148W TO 56N136W WINDS 40 TO 55 KT. SEAS 14 TO 22 FT.
.48 HOUR FORECAST LOW DISSIPATED. EXCEPT WHERE NOTED ABOVE...N
OF 45N BETWEEN 125W AND 136W WINDS TO 25 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.FROM 30N TO 43N BETWEEN 123W AND 130W WINDS LESS THAN 25 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST FROM 32N TO 42N BETWEEN 122W AND 129W AREA OF
N TO NW WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM 30N
TO 49N BETWEEN 121W AND 130W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 30N TO 42N BETWEEN 120W AND 129W AREA OF
N TO NW WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 31N TO 35N BETWEEN 169W AND 164E AREA OF
E TO NE WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST WITHIN 840 NM W OF A LINE FROM 30N173W TO
38N157W AREA OF NE WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER FORECAST WATERS FROM 61N
TO 63N W OF 168W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
167W.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.LOW 60N146W 998 MB MOVING N 05 KT. WITHIN 120 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND ASSOCIATED
CONDITIONS DIMINISHED.

.LOW 57N143W 1006 MB MOVING NE 20 KT. WITHIN 300 NM E AND 360 NM
S QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

.FROM 30N TO 34N BETWEEN 144W AND 152W AREA OF E TO NE WINDS TO
25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 30N TO 33N BETWEEN 136W AND 159W AREA OF
E TO NE WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 30N TO 33N BETWEEN 152W AND 162W WINDS
LESS THAN 25 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 39N TO 45N
BETWEEN 129W AND 133W...AND WITHIN AN AREA BOUNDED BY A LINE
FROM 38N175W TO 53N161W TO 45N153W TO 37N159W TO 38N175W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM E OF A LINE FROM
55N146W TO 40N159W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 47N W OF 164E.

.HIGH 36N134W 1029 MB MOVING W 05 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 42N139W 1032 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 42N135W 1036 MB.
.48 HOUR FORECAST HIGH 38N136W 1031 MB.

.24 HOUR FORECAST HIGH 39N167E 1027 MB.
.48 HOUR FORECAST HIGH 42N177W 1036 MB.

.FORECASTER KELLS. 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 DEC 15.
24 HOUR FORECAST VALID 0600 UTC SAT DEC 16.
48 HOUR FORECAST VALID 0600 UTC SUN DEC 17.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS
BUILDING TO 8 FT.
.24 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS TO 10
FT. ELSEWHERE N OF 14N BETWEEN 94W AND 96W N TO NE WINDS 20 TO
30 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 13.5N95W
TO 12.5N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT. FROM 08N TO 12N BETWEEN 97W AND 104W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED NE AND NW SWELL.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 11.5N E OF 87.5W...INCLUDING 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 LITTLE CHANGE.
.36 HOUR FORECAST FROM 10N TO 11.5N E OF 87.5W...INCLUDING GULF
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 10N TO 12.5N E OF 89W...INCLUDING THE
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.FROM 15N TO 20N BETWEEN 135W AND 140W E WINDS 20 TO 25 KT. SEAS
11 TO 15 FT. ELSEWHERE W OF LINE FROM 30N120W TO 13N124W TO
05N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN NW
SWELL.
.24 HOUR FORECAST FROM 15N TO 21N W OF 133W E WINDS 20 TO 25 KT.
SEAS 10 TO 13 FT. ELSEWHERE W OF LINE FROM 30N116W TO 14N117W TO
02N130W TO 00N136W TO 00N140W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST W OF LINE FROM 25N112W TO 06N113W TO 00N122W
TO 00N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN PRIMARILY NW
SWELL.

.GULF OF CALIFORNIA N OF 30N W OF 113.5W NW TO N WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST N OF 29.5N W OF 113.5W NW TO N WINDS 20 TO
30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 26.5N TO 28.5N NW
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA N OF 29.5N E OF 114W SE TO
S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 32N114.5W TO BEYOND 27N115.5W.
W OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. N OF 28.5N
E OF FRONT SW WINDS 20 TO 25 KT. SEAS LESS

.36 HOUR FORECAST COLD FRONT FROM 30N119W TO 29N126W. N OF FRONT
NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. N OF 28N W OF 126W N
TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE W OF LINE
FROM 30N116W TO 20N113W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 32N114.5W TO 27N115.5W TO
25N128W. N OF FRONT BETWEEN 119W AND 128W NW TO N WINDS 20 TO 25
KT. SEAS 9 TO 15 FT. ELSEWHERE N OF 25N W OF 113W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 0900 UTC FRI DEC 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ EXTENDS FROM 07N92W TO 07.5N113W TO BEYOND 10N140W. WIDELY
SCATTERED MODERATE CONVECTION FROM 11.5N TO 17N BETWEEN 114W AND
120W. SCATTERED MODERATE TO STRONG CONVECTION BETWEEN 13N AND
17N W OF 137W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC DEC 15 2017.
24 HOUR FORECAST VALID 0600 UTC DEC 16 2017.
48 HOUR FORECAST VALID 0600 UTC DEC 17 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N170E TO 26N164E TO 25N160E MOVING SE SLOWLY.
SW WINDS 20 TO 25 KT N OF 29N BETWEEN FRONT AND 179E.
.24 HOUR FORECAST FRONT FROM 30N174E TO 25N164E TO 24N160E.
WINDS 20 TO 25 KT WITHIN 60 NM OF FRONT N OF 27N.
.48 HOUR FORECAST FRONT FROM 30N172W TO 26N180W TO 24N172E. NE
WINDS 30 TO 35 KT N OF FRONT E OF 178E. NE TO E WINDS 20 TO 30
KT ELSEWHERE BETWEEN FRONT AND 170E.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N147W TO 24N150W TO 14N150W MOVING E 10 KT.
ANOTHER TROUGH FROM 16N143W TO 13N144W TO 12N146W MOVING E 15 KT
WILL MERGE WITH FIRST TROUGH. E TO SE WINDS 20 TO 25 KT E OF
FIRST TROUGH N OF 21N...AND E OF 143W BETWEEN 15N AND 21N. NE
WINDS 20 TO 30 KT BETWEEN FIRST TROUGH AND A LINE FROM 30N154W
TO 21N170W TO 14N174E...AND IN AREA BOUNDED BY 14N150W 07N163W
06N178W 14N174E 14N150W. ISOLATED MODERATE TSTMS WITHIN 150 NM
OF FIRST TROUGH N OF 20N...WITHIN 60 NM OF FIRST TROUGH S OF
16N...FROM 08N TO 12N W OF 153W...AND FROM 12N TO 20N E OF 148W.
.24 HOUR FORECAST TROUGH FROM 30N157W TO 16N151W TO 10N154W. SE
TO E WINDS 20 TO 30 KT N OF LINE FROM 17N140W TO 20N148W TO
26N152W TO 26N155W. NE TO N WINDS 20 TO 30 KT ELSEWHERE WITHIN
150 NM OF A LINE FROM 28N157W TO 23N164W W OF 157W.
.48 HOUR FORECAST TROUGH FROM 30N159W TO 18N159W. SE WINDS 20 TO
25 KT N OF A LINE FROM 21N143W TO 23N152W TO 29N156W.

.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 18N
BETWEEN 164W AND 170E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 18N W OF
178W.

.RIDGE FROM 30N164W TO 24N168E NEARLY STATIONARY.

.SEAS 8 TO 13 FT N OF LINE FROM 06N140W TO 02N145W TO
01N160W...AND IN AREA BOUNDED 29N160W 00N160W 00N173W 05N173E
19N168E 23N167W 29N160W. SEAS 8 TO 12 FT N OF LINE FROM 30N180E
TO 26N164E TO 25N160E.
.24 HOUR FORECAST SEAS 8 TO 13 FT E OF LINE FROM 30N159W TO
27N163W TO 06N163W TO 00N155W...EXCEPT SEAS 8 FT OR LESS WITHIN
60 NM OF LINE FROM 21N158W TO 15N152W. SEAS 8 TO 10 FT IN AREA
BOUNDED BY 27N164W 03N164W 03N175E 16N166E 19N170E 24N167W
27N164W...AND N OF LINE FROM 30N170W TO 26N180W TO 22N160E.
.48 HOUR FORECAST SEAS 8 TO 14 FT N OF LINE FROM 30N171W TO
28N177W TO 26N177E TO 29N167E. SEAS 8 TO 11 FT N OF LINE FROM
11N140W TO 20N148W TO 23N154W TO 20N166W...IN AREA BOUNDED BY
30N166W 07N166W 03N180W 21N180W 26N170W 30N166W...FROM 03N TO
20N BETWEEN 170E AND 180E...AND FROM 09N TO 20N W OF 170E.

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

.ITCZ FROM 10N153W TO 06N165W TO 05N177W TO 02N174E. ISOLATED
MODERATE TSTMS S OF 08N BETWEEN 171W AND 171E...FROM 02N TO 07N
BETWEEN 164W AND 171W...AND WITHIN 120 NM OF LINE FROM 05N171E
TO 10N160E.

$$

.HONOLULU HI.


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