High Seas Forecast
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000
FZPN02 KWBC 171125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN DEC 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 17.
24 HOUR FORECAST VALID 0600 UTC DEC 18.
48 HOUR FORECAST VALID 0600 UTC DEC 19.

.WARNINGS.

...STORM WARNING...
.LOW 45N160E 991 MB MOVING NE 40 AND RAPIDLY INTENSIFYING. FRONT
TO EXTEND FROM 54N169E TO 48N168E TO LOW. OVER FORECAST WATERS
WITHIN 240 NM SE QUADRANT...AND S OF 49N WITHIN 240 NM E OF
FRONT WINDS 40 TO 50 KT. SEAS 18 TO 24 FT. ELSEWHERE W OF A LINE
FROM 30N165E TO 46N177E TO 56N178E WINDS 25 TO 40 KT. SEAS 10 TO
19 FT.
.24 HOUR FORECAST LOW NW OF AREA 59N172E 950 MB. FRONT TO EXTEND
FROM LOW TO 58N178E TO 50N179E TO 30N163E. N OF 35N WITHIN 360
NM E AND NE OF FRONT WINDS 40 TO 55 KT. SEAS 18 TO 35 FT. ALSO
WITHIN 540 NM E AND NE OF FRONT...AND N OF 37N W OF FRONT WINDS
25 TO 40 KT. SEAS 14 TO 27 FT. ELSEWHERE S OF 37N W OF FRONT
WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW JUST NW OF AREA 58N174E 952 MB. FRONT TO
EXTEND FROM 65N169W TO 57N164W TO 47N167W TO 38N176W. FROM 51N
TO 58N BETWEEN 176W AND 166W WINDS 40 TO 55 KT. SEAS 24 TO 36
FT. ELSEWHERE WITHIN 360 NM E OF FRONT...AND WITHIN 840 NM SE
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 13 TO 26 FT...EXCEPT N OF 60N
E OF 173W SEAS 8 TO 14 FT.

...GALE WARNING...
.OVER FORECAST WATERS FROM 30N TO 42N BETWEEN 120W AND 129W AREA
OF N TO NW WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST FROM 30N TO 42N BETWEEN
123W AND 130W AREA OF N WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST WINDS LESS THAN 25 KT. SEAS LESS THAN 8 FT.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 57N156W 986 MB MOVING E 15 KT AND
SECOND CENTER 58N163W 985 MB MOVING E 25 KT. OVER FORECAST
WATERS N OF A LINE FROM 50N149W TO 42N165W TO 50N177W WINDS 25
TO 40 KT. SEAS 13 TO 25 FT...EXCEPT N OF 59N SEAS TO 13 FT.
.24 HOUR FORECAST MERGED LOW 58N144W 1001 MB. FROM 47N TO 59N
BETWEEN 147W AND 160W...AND BETWEEN 120 NM AND 420 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS 8 TO 22 FT...HIGHEST NEAR 53N152W.
.48 HOUR FORECAST LOW 52N133W 1013 MB. FROM 45N TO 55N BETWEEN
137W AND 148W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.WITHIN AN AREA BOUNDED BY A LINE FROM 30N171E TO 35N173E TO
38N170W TO 39N156W TO 30N170W TO 30N171W AREA OF E TO NE WINDS
25 TO 40 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST WITHIN AN AREA BOUNDED BY A LINE FROM 30N180W
TO 39N162W TO 42N144W TO 30N158W TO 30N180W AREA OF E TO NE
WINDS 25 TO 35 KT. SEAS 11 TO 21 FT.
.48 HOUR FORECAST NEW LOW 36N145W 1012 MB. WITHIN AN AREA
BOUNDED BY A LINE FROM 30N171W TO 45N147W TO 45N137W TO 40N137W
TO 30N155W TO 30N171W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
ELSEWHERE FROM 30N TO 38N BETWEEN 141W AND THE LINE WINDS TO 25
KT. SEAS 8 TO 13 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER FORECAST WATERS N OF 64N
W OF 167W.
.24 HOUR LIGHT TO MODERATE FREEZING SPRAY N OF 64N W OF 168W.
.48 HOUR FORECAST CONDITIONS IMPROVING.

.SYNOPSIS AND FORECAST.

.LOW 61N149W 990 MB NEARLY STATIONARY. OVER FORECAST WATERS
WITHIN 660 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
ALSO FROM 44N TO 56N BETWEEN 124W AND 130W AREA OF N TO NW WINDS
TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 45N TO 49N BETWEEN 124W
AND 130W WINDS LESS THAN 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 46N129W DESCRIBED
BELOW.

.FROM 30N TO 33N BETWEEN 149W AND 162W WINDS LESS THAN 25 KT.
SEAS TO 10 FT.
.24 HOUR FORECAST FROM 30N TO 33N BETWEEN 146W AND 152W WINDS
LESS THAN 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 36N145W IN
WARNINGS SECTION ABOVE.

.48 HOUR FORECAST NEW LOW 46N129W 1008 MB. FROM 39N TO 48N
BETWEEN 125W AND 137W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.48 HOUR FORECAST FROM 30N TO 41N BETWEEN 180W AND 165E WINDS 20
TO 30 KT. SEAS 8 TO 14 FT...EXCEPT WHERE NOTED IN WARNINGS
SECTION ABOVE.

.48 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 37N160E
TO 46N163E AREA OF S WINDS 20 TO 30 KT. SEAS TO 11 FT...EXCEPT
WHERE NOTED IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN 120 NM OF 42N145W AND 45N164E.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 52N BETWEEN 178W AND
177E.
.48 HOUR FORECAST DENSE FOG N OF 57N BETWEEN 160W AND 164W.

.HIGH 38N136W 1030 MB DRIFTING SE.
.24 HOUR FORECAST HIGH 37N135W 1027 MB.
.48 HOUR FORECAST HIGH 36N130W 1024 MB.

.HIGH 40N178W 1037 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 43N166W 1037 MB.
.48 HOUR FORECAST HIGH 43N159W 1036 MB.

.48 HOUR FORECAST HIGH 38N169E 1032 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 SUN DEC 17.
24 HOUR FORECAST VALID 0600 UTC MON DEC 18.
48 HOUR FORECAST VALID 0600 UTC TUE DEC 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 95W...INCLUDING
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 32N114W 1004 MB WITH COLD FRONT TO 28N114W TO
25N124W TO 27N130W. N OF FRONT NW TO N WINDS 20 TO 25 KT...
EXCEPT N TO NE WINDS BETWEEN 125W AND 130W. SEAS 9 TO 15 FT.
ELSEWHERE W OF 114W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
PRIMARILY IN NW SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 27N110W TO 25N112W
TO 23N120W. NW OF FRONT TO 120W WINDS 20 KT OR LESS. SEAS 8 TO
11 FT IN NW TO N SWELL. ELSEWHERE N OF 21N BETWEEN 112W AND 136W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW TO N SWELL. S OF LINE
FROM 22N140W TO 12N128W TO 15N105W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. N OF 20N W OF 131W WINDS 20
KT OR LESS. SEAS TO 8 FT IN NW TO N SWELL. FROM 14N TO 20N
BETWEEN 112W AND 130W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NW
TO N SWELL AND NE WIND WAVES.

.GULF OF CALIFORNIA LOW PRES NEAR 32N114W 1004 MB WITH COLD
FRONT TO BEYOND 28N114W. BETWEEN FRONT AND 26N S TO SW WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 27N110W TO BEYOND
25N112W. N OF 29.5N W OF 113.5W NW TO N WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.30 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.FROM 10N TO 12N E OF 89W...INCLUDING GULF OF PAPAGAYO...NE
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST FROM 09.5N TO 12.5N E OF 91W...INCLUDING GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 09N TO 12.5N E OF 90W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 10N TO 12N E OF 89.5W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. FROM
07.5N TO 09.5N BETWEEN 92W AND 104W WINDS 20 KT OR LESS. SEAS TO
8 FT IN NE SWELL.

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

CONVECTION VALID AT 0830 UTC SUN DEC 17...

.SCATTERED MODERATE ISOLATED STRONG WITHIN 75 NM EITHER SIDE OF
LINE FROM 18N104W TO 12N120W.

.SCATTERED MODERATE N OF 27N WITHIN 90 NM E OF COLD FRONT FROM
32N114W TO 28N114W TO 25N124W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 06.5N92W TO 10N120W TO 08.5N134W TO BEYOND 09.5N140W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF ITCZ BETWEEN
102W AND 117W. SCATTERED WEAK TO MODERATE FROM 07N TO 17N W OF
131W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC DEC 17 2017.
24 HOUR FORECAST VALID 0600 UTC DEC 18 2017.
48 HOUR FORECAST VALID 0600 UTC DEC 19 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N171W TO 26N178W TO 25N180W TO 25N170E MOVING E TO
25 KT. NE WINDS 25 TO 35 KT N OF 28N BETWEEN FRONT AND 180W. NE
WINDS 20 TO 25 KT ELSEWHERE N OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N158W TO 23N170W TO 21N180W TO
21N170E. NE WINDS 25 TO 40 KT N OF 27N BETWEEN FRONT AND 175W.
NE TO E WINDS 20 TO 25 KT ELSEWHERE N OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N151W TO 24N160W TO 20N174W TO
20N175E. NE WINDS 20 TO 30 KT N OF 24N BETWEEN FRONT AND 180W.

.SYNOPSIS AND FORECAST.

.LOW 23N158W 1008 MB MOVING NW 10 KT. TROUGH FROM 30N155W TO LOW
TO 20N160W. E TO SE WINDS 20 TO 25 KT N OF A LINE FROM 28N155W
TO 21N148W. SCATTERED TSTMS N OF 20N BETWEEN 145W AND 158W.
.24 HOUR FORECAST LOW 27N158W 1012 MB. SE WINDS 20 TO 25 KT N OF
A LINE FROM 29N155W TO 21N148W.
.48 HOUR FORECAST LOW AND TROUGH MERGED WITH FRONT DESCRIBED
ABOVE.

.TROUGH FROM 21N152W TO 12N158W TO 03N171W MOVING W NEAR 10 KT.
ISOLATED TSTMS WITHIN 120 NM OF TROUGH N OF 17N.
.24 HOUR FORECAST TROUGH FROM 20N155W TO 12N163W TO 03N173W.
.48 HOUR FORECAST TROUGH FROM 22N156W TO 12N161W TO 05N176W.

.TROUGH 15N141W TO 10N142W MOVING W SLOWLY. ISOLATED TSTMS
WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N W OF 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 17N W OF
174E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 20N W OF
175E.

.12 HOUR FORECAST FRONT W OF FORECAST AREA AT 30N159E TO 24N150E
MOVING E 20 KT.
.24 HOUR FORECAST FRONT 30N164E TO 27N160E.
.48 HOUR FORECAST FRONT FROM 30N170E TO 26N160E. NE WINDS 20 TO
25 KT N OF FRONT.

.RIDGE FROM 30N167W TO 25N174W TO 23N180W MOVING E SLOWLY AND
ERODING FROM W.

.RIDGE NEAR 30N160E MOVING SE 10 KT AND ERODING FROM W.

.SEAS 10 TO 14 FT N OF A LINE FROM 30N170W TO 26N180W. SEAS 8 TO
11 FT N OF A LINE FROM 10N140W TO 25N170W. SEAS 8 TO 10 FT
BETWEEN 05N AND 19N W OF 168W...AND ELSEWHERE N OF 26N W OF
180W.
.24 HOUR FORECAST SEAS 12 TO 20 FT N OF LINE FROM 30N159W TO
21N180W TO 25N175E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM
22N145W TO 25N161W TO 20N180W TO 20N168E. SEAS 8 TO 9 FT BETWEEN
05N AND 17N W OF 178W.
.48 HOUR FORECAST SEAS 8 TO 16 FT N OF A LINE FROM 30N151W TO
25N160W TO 20N178E TO 23N173E. SEAS 8 TO 12 FT ELSEWHERE N OF A
LINE FROM 30N142W TO 15N175W TO 09N160E.

.OTHERWISE WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS OVER REST
OF AREA.

.ISOLATED TSTMS BETWEEN 07N AND 02N W OF 177E.

$$

.FORECASTER LAU. HONOLULU HI.



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