High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 111725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC MON DEC 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 11.
24 HOUR FORECAST VALID 1200 UTC DEC 12.
48 HOUR FORECAST VALID 1200 UTC DEC 13.

.WARNINGS.

...STORM WARNING...
.LOW 46N162W 965 MB MOVING NE 15 KT. FRONT EXTENDS FROM 50N156W
TO 46N150W TO 43N148W TO 36N152W TO 30N159W. FROM 42N TO 46N
BETWEEN 156W AND 162W WINDS 40 TO 55 KT. SEAS 22 TO 35 FT.
ELSEWHERE FROM 40N TO 47N BETWEEN 153W AND 163W...ALSO FROM 42N
TO 45N BETWEEN 163W AND 167W...AND WITHIN 180 NM W
SEMICIRCLE...ALSO WITHIN 240 NM NE AND E OF FRONT WINDS 30 TO 45
KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST LOW 54N158W 978 MB. FRONT TO EXTEND FROM
58N154W TO 56N153W TO 52N138W TO 40N144W TO 30N150W. FROM 52N TO
58N BETWEEN 148W AND 156W...ALSO WITHIN 240 NM E OF A LINE FROM
52N151W TO 46N152W TO 40N151W TO 30N154W...AND WITHIN 240 NM E
OF FRONT S OF 49N...AND 120 NM N OF FRONT N OF 57N...ALSO WITHIN
AN AREA BOUNDED BY
61N178W...50N177W...30N174W...30N160W...45N164W
...65N160W...61N178W WINDS 25 TO 40 KT. SEAS 12 TO 30
FT...EXCEPT N OF 61N 8 TO 12 FT.
.48 HOUR FORECAST LOW 63N167W 992 MB. NEW LOW 57N156W 991 MB.
FRONT TO EXTEND FROM THE NEW LOW TO 55N150W TO 50N144W TO
46N141W TO 30N145W. FROM 56N TO 60N BETWEEN 138W AND 156W WINDS
30 TO 45 KT. SEAS 10 TO 18 FT. ELSEWHERE WITHIN 300 NM E AND NE
OF FRONT N OF N OF 43N WINDS 25 TO 40 KT. SEAS 11 TO 19 FT.

...STORM WARNING...
.FROM 33N TO 42N W OF 162E WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
.24 HOUR FORECAST N OF 46N W OF 163E WINDS 35 TO 50 KT. SEAS 13
TO 21 FT. ELSEWHERE WITHIN 300 NM N AND NE OF A LINE FROM
49N160E TO 48N165E TO 46N168E...ALSO W OF A LINE FROM 49N166E TO
42N160E WINDS 30 TO 45 KT. SEAS 10 TO 19 FT. ELSEWHERE 39N TO
47N BETWEEN 167W AND 173W WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW 49N161E 970 MB. FRONT TO EXTEND FROM
53N167E TO 53N175E TO 50N178W TO 42N174W TO 38N176E TO 30N172E.
FROM 43N TO 49N W OF 165E WINDS 40 TO 55 KT. SEAS 24 TO 36 FT.
ELSEWHERE FROM 41N TO 50N W OF 168E...AND WITHIN 120 NM W
SEMICIRCLE WINDS 30 TO 45 KT. SEAS 14 TO 26 FT. WITHIN 180 NM N
AND NE OF FRONT N OF 50N...AND 120 NM W OF FRONT N OF 50N AND
BETWEEN 177E AND 178W WINDS 25 TO 35 KT. SEAS 10 TO 17 FT.

...GALE WARNING...
.LOW 59N155W 973 MB MOVING NW 25 KT. N OF 55N BETWEEN 142W AND
154W WINDS 30 TO 45 KT. SEAS 15 TO 27 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 49N167E 999 MB MOVING SE 05 KT. WITHIN 300 NM S AND SW
QUADRANTS WINDS 30 TO 40 KT. SEAS 15 TO 27 FT. BETWEEN 120 NM
AND 300 NM N QUADRANT WINDS 25 TO 35 KT. SEAS 16 TO 22 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.OVER ICE FREE FORECAST WATERS N OF 51N BETWEEN 166W AND 176E
WINDS 25 TO 40 KT. SEAS A LINE FROM 52N175E TO 51N76W TO 56N167W
WINDS 25 TO 40 KT. SEAS 10 TO 22 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 54N158W.

...GALE WARNING...
.LOW 46N135W 1009 MB MOVING NE 25 KT. N OF 52N E OF 134W WINDS
25 TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED. N OF 52N E OF 133W WINDS 20 TO
30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 45N176W 987 MB MOVING SE 30 KT. WITHIN AN AREA BOUNDED BY
47N171E...42N171E...34N180W...32N170W...38N161W...42N168W...47N17
9E...47N171E WINDS 30 TO 45 KT. SEAS 18 TO 32 FT.
.24 HOUR FORECAST LOW 37N160W 999 MB. FORECAST CONDITIONS
DESCRIBED WITH LOW 54N158W.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N AND W OF A LINE FROM 61N173W
TO 63N165W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N AND W OF A
LINE FROM 65N166W TO 59N175W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N AND
W OF 170W.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST FROM 42N TO 50N BETWEEN 168E AND 171W...ALSO
FROM 36N TO 42N BETWEEN 170W AND 180W...ALSO S OF A LINE FROM
40N180W TO 37N176E TO 30N172W...EXCEPT WHERE DESCRIBED IN
WARNING SECTION WINDS 20 TO 30 KT. SEAS 8 TO 17 FT.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 41N TO 47N BETWEEN 165E AND 170E.
.24 HOUR FORECAST CONDITIONS IMPROVING.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM N
WITHIN 240 NM E AND NE OF A LINE FROM 56N149W TO 50N143W TO
39N142W.

.HIGH 35N169E 1024 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 30N179E 1023 MB.
.48 HOUR FORECAST HIGH 30N175W 1025 MB.

.HIGH 29N130W 1023 MB MOVING N 15 KT.
.24 HOUR FORECAST HIGH 34N130W 1027 MB.
.48 HOUR FORECAST HIGH 35N131W 1025 MB.

.24 HOUR FORECAST NEW HIGH 45N129W 1030 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER SHAW. 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 MON DEC 11
24 HOUR FORECAST VALID 1200 UTC TUE DEC 12
48 HOUR FORECAST VALID 1200 UTC WED DEC 13

.WARNINGS.

...GALE WARNING...
.WITHIN 60 NM OF LINE FROM 16N95W TO 15N95W TO
13N97W...INCLUDING
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 KT. SEAS 13 TO 20
FT.
ELSEWHERE WITHIN 90 NM OF LINE FROM 16N95W TO 14N95.5W TO
10N101W N
TO NE WINDS 20 TO 30 KT. SEAS 12 TO 18 FT PRIMARILY IN NE SWELL.
REMAINDER OF AREA FROM 03N TO 15N BETWEEN 90W AND 109W WINDS 20
KT
OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO
14N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40
KT.
SEAS 11 TO 15 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO
15N95W TO 12N98W NE TO E WINDS 20 TO 30 KT. SEAS 11 TO 15 FT.
REMAINDER OF AREA FROM 01N TO 15N BETWEEN 93W AND 112W WINDS 20
KT
OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO
14N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40
KT.
SEAS 10 TO 15 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO
15N95W TO 13N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA FROM 10N TO 15N BETWEEN 94W AND 100W WINDS 20
KT
OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 60 NM OF LINE FROM 11N85.5W TO 07N89W NE WINDS 20 TO 30
KT.
SEAS 8 TO 11 FT. ELSEWHERE FROM 06N TO 11N BETWEEN 85.5W AND 90W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO
07N89.5W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT.
SEAS 8
TO 10 FT. ELSEWHERE FROM 05N TO 11N BETWEEN 86W AND 91W WINDS 20
KT
OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 11N86W TO
09N89W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. SEAS
TO
9 FT.

.STATIONARY FRONT FROM 30N136W TO 26N140W. W OF LINE FROM
30N131W TO
20N134W TO 15N124W TO 10N140W WINDS 20 KT OR LESS. SEAS 8 TO 14
FT
IN NW SWELL...HIGHEST NW.
.24 HOUR FORECAST FRONT DISSIPATED. W OF LINE FROM 30N125W TO
14N126W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW
SWELL.
.48 HOUR FORECAST W OF LINE FROM 30N135W TO 23N137W TO 20N120W
TO
00N130W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

.WITHIN 120 NM OF COAST OF CENTRAL AMERICA BETWEEN 87W AND 91W N
TO
NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WINDS WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

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

CONVECTION VALID AT 1530 UTC MON DEC 11...

.TROUGH FROM 21N113W TO 10N113W. SCATTERED MODERATE ISOLATED
STRONG
WITHIN 180 NM E OF TROUGH.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 05N91W. ITCZ CONTINUES FROM 05N91W
TO 10N117W. ITCZ RESUMES FROM 11N123W TO BEYOND 08N140W.
SCATTERED
MODERATE FROM 06N TO 10N BETWEEN 101W AND 108W.

.FORECASTER LAU. NWS HONOLULU HAWAII

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

SYNOPSIS VALID 1200 UTC DEC 11 2017.
24 HOUR FORECAST VALID 1200 UTC DEC 12 2017.
48 HOUR FORECAST VALID 1200 UTC DEC 13 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N160W TO 24N179E TO 28N160E MOVING E 40 KT ALONG
30N...AND NEARLY STATIONARY W OF 179E. WINDS 20 TO 30 KT N OF
28N BETWEEN 154W AND 162W. WINDS 20 TO 25 KT WITHIN 120 NM N OF
FRONT W OF 176E.
.18 HOUR FORECAST FRONT FROM 30N155W TO 24N165W TO 21N178W.
WINDS 25 TO 35 KT N OF LINE FROM 27N154W TO 25N158W TO
27N172W...STRONGEST N OF 28N BETWEEN 159W AND 169W. N TO NE
WINDS 20 TO 25 KT FROM 22N TO 25N BETWEEN 170W AND 179W.
.24 HOUR FORECAST FRONT FROM 30N152W TO 22N165W TO 20N178W.
WINDS 25 TO 35 KT N OF LINE FROM 28N144W TO 24N154W TO
27N172W...STRONGEST N OF 28N BETWEEN 155W AND 168W. NE WINDS 20
TO 25 KT FROM 21N TO 24N BETWEEN 172W AND 180W.
.48 HOUR FORECAST FRONT FROM 30N144W TO 20N155W TO 16N179W. S TO
SW WINDS 20 TO 30 KT N OF 26N E OF 145W. NE TO E WINDS 20 TO 30
KT FROM 17N TO 21N BETWEEN 167W AND 180W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 26N140W TO 22N150W TO 22N159W NEARLY STATIONARY AND
WEAKENING.
.24 HOUR FORECAST FRONT DISSIPATED OVER FORECAST WATERS.

.12 HOUR FORECAST FRONT NEAR 30N160E. S TO SW WINDS 20 TO 25 KT
N OF 28N W OF 167E.
.24 HOUR FORECAST FRONT NEAR 30N160E. WINDS EASED TO 20 KT OR
LESS OVER FORECAST WATERS.
.48 HOUR FORECAST FRONT JUST N AND W OF FORECAST AREA. SW WINDS
20 TO 25 KT N OF 28N W OF 162E.

.RIDGE FROM 30N143W TO 24N160W TO 23N172W MOVING S SLOWLY AND
GRADUALLY ERODING FROM THE W.

.E WINDS 20 TO 25 KT FROM 08N TO 17N W OF 175E.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 07N TO 19N W OF 180E.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 07N TO 17N W OF
169W... AND FROM 17N TO 21N BETWEEN 165E AND 180E.

.SEAS 12 TO 13 FT N OF 23N E OF 145W. SEAS 8 TO 12 FT ELSEWHERE
N OF 15N E OF 166W. SEAS 8 TO 10 FT N OF 27N W OF 166W...AND
FROM 07N TO 17N W OF 178E.
.24 HOUR FORECAST SEAS 18 TO 27 FT N OF LINE FROM 29N158W TO
26N165W TO 26N177W. SEAS 12 TO 18 FT ELSEWHERE N OF LINE FROM
29N152W TO 26N160W TO 24N169W TO 24N175E. SEAS 8 TO 12 FT
ELSEWHERE N OF LINE FROM 26N145W TO 22N161W TO 22N167E. SEAS 8
TO 10 FT ELSEWHERE N OF 08N E OF 150W. SEAS 8 TO 9 FT FROM 07N
TO 17N W OF 176E.
.48 HOUR FORECAST SEAS 18 TO 19 FT N OF 23N BETWEEN 153W AND
165W. SEAS 12 TO 18 FT ELSEWHERE N OF LINE FROM 29N142W TO
16N164W TO 16N176W. SEAS 12 TO 14 FT FROM 16N TO 24N BETWEEN
176W AND 179E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 27N140W
TO 18N152W TO 07N172W TO 07N176E. SEAS 8 TO 11 FT FROM 07N TO
23N BETWEEN 167E AND 176E...AND FROM 08N TO 20N W OF 167E. SEAS
8 TO 9 FT S OF 16N E OF 144W.

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

.ITCZ FROM 08N140W TO 07N170W TO 06N160E. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS FROM 03N TO 08N W OF 162E. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 135 NM OF ITCZ.

$$

.FORECASTER KINEL. HONOLULU HI.


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