High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 102325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SUN DEC 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 10.
24 HOUR FORECAST VALID 1800 UTC DEC 11.
48 HOUR FORECAST VALID 1800 UTC DEC 12.

.WARNINGS.

...STORM WARNING...
.LOW 51N165E 972 MB MOVING SE 10 KT. FROM 45N TO 51N W OF 167E
WINDS 40 TO 55 KT. SEAS 24 TO 34 FT. ELSEWHERE N OF A LINE FROM
43N160E TO 37N170E TO 36N180W WINDS 30 TO 45 KT. SEAS 15 TO 32
FT.
.24 HOUR FORECAST LOW 49N171E 1002 MB. WITHIN 180 NM S AND SW
QUADRANTS...AND BETWEEN 120 NM AND 240 NM N QUADRANT WINDS 25 TO
35 KT. SEAS 17 TO 24 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...STORM WARNING...
.LOW 46N167W 976 MB MOVING NE 15 KT. FRONT EXTENDS FROM 43N163W
TO 40N162W TO 36N165W TO 32N171W. FROM 42N TO 46N BETWEEN 166W
AND 172W WINDS 40 TO 50 KT. SEAS 12 TO 24 FT. ELSEWHERE BETWEEN
36N AND A LINE EXTENDING FROM 50N180W TO 46N167W TO
43N160W...AND WITHIN 240 NM E AND SE OF A FRONT N OF 32N...AND
WITHIN 120 NM NE OF A LINE FROM 46N172W TO 45N167W TO 43N162W
WINDS 30 TO 45 KT. SEAS 10 TO 24 FT.
.24 HOUR FORECAST LOW 47N158W 967 MB. FRONT WILL EXTEND FROM
53N156W TO 50N148W TO 45N146W TO 40N147W TO 30N160W. WITHIN 240
NM S AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 22 TO 34 FT.
ELSEWHERE WITHIN AN AREA BOUNDED BY 46N179W...42N176E...34N180W
...30N170W...31N163W...40N156W...43N170W...46N179W...AND WITHIN
300 NM E...360 NM SE...300 NM S AND 180 NM W QUADRANTS...ALSO
WITHIN 180 NM NE AND E OF FRONT N OF 36N WINDS 30 TO 45 KT. SEAS
12 TO 33 FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND. N OF 55N BETWEEN 146W
AND 153W WINDS 25 TO 35 KT. SEAS 11 TO 21 FT.

...STORM WARNING...
.LOW 50N147W 972 MB MOVING NW 35 KT. FRONT EXTENDS FROM 52N148W
TO 52N144W TO 50N139W TO 45N137W TO 40N137W TO 30N140W. FROM 50N
TO 56N BETWEEN 137W AND 146W...ALSO BETWEEN 120 NM AND 300 NM SE
QUADRANT WINDS 35 TO 50 KT. SEAS 15 TO 30 FT. ELSEWHERE FROM 44N
TO 57N BETWEEN 134W AND 151W...ALSO WITHIN 240 NM E OF FRONT
WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.
.24 HOUR FORECAST LOW INLAND 61N159W 978 MB. N OF 59N BETWEEN
149W AND 154W WINDS 25 TO 35 KT. SEAS 10 TO 21 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...STORM WARNING...
.24 HOUR FORECAST S OF A LINE FROM 45N160E TO 41N165E WINDS 25
TO 35 KT. SEAS 9 TO 13 FT.
.39 HOUR FORECAST N OF 48N W OF 163E WINDS 40 TO 50 KT. SEAS 15
TO 21 FT.
.48 HOUR FORECAST WITHIN 240 NM NE AND E OF A LINE FROM 52N163E
TO 50N169E TO 45N172E...ALSO FROM 44N TO 50N W OF 163E WINDS 25
TO 40 KT. SEAS 15 TO 26 FT.

...GALE WARNING...
.N OF A LINE FROM 53N180W TO 54N176W TO 60N170W TO 65N166W WINDS
25 TO 40 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST N OF 50N BETWEEN 166W AND 180W WINDS 25 TO 40
KT. SEAS 12 TO 23 FT.
.48 HOUR FORECAST WITHIN AN AREA BOUNDED BY 61N177W...50N173W...
30N172W...30N160W...40N160W...50N165W...65N170W...61N177W WINDS
25 TO 35 KT. SEAS 10 TO 26 FT.

...GALE WARNING...
.24 HOUR FORECAST N OF 49N BETWEEN 127W AND 133W WINDS 25 TO 35
KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST LOW 46N151W 991 MB. FRONT WILL EXTEND FROM
50N144W TO 40N145W TO 36N151W. WITHIN 300 NM E AND SE OF FRONT
OVER FORECAST WATERS...AND WITHIN 120 NM NE OF A LINE FROM
46N151W TO 41N147W WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 165W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND W OF A
LINE FROM 61N172W TO 64N165W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W AND N OF A
LINE FROM 58N171W TO 64N165W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY 52N148W...50N140W...42N136W...45N132W...50N132W
...54N145W...52N148W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 52N BETWEEN 138W AND
145W.

.HIGH 34N161E 1025 MB MOVING E 25 KT.
.24 HOUR FORECAST HIGH 34N174E 1023 MB.
.48 HOUR FORECAST HIGH 30N179W 1023 MB.

.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 1800 UTC SUN DEC 10.
24 HOUR FORECAST VALID 1800 UTC MON DEC 11.
48 HOUR FORECAST VALID 1800 UTC TUE DEC 12.

.WARNINGS.

...STORM WARNING...
.WITHIN 60 NM OF LINE FROM 16N95W TO 15N96W TO 13N97W...
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 40 TO 50 KT. SEAS
14 TO 22 FT. ELSEWHERE WITHIN 120 NM OF LINE FROM 16N95W TO
15N95W TO 12N98W N TO NE WINDS 30 TO 40 KT. SEAS 12 TO 19 FT.
WITHIN 150 NM OF LINE FROM 16N95W TO 15N95W TO 12N99W NE WINDS
25 TO 30 KT. SEAS 11 TO 16 FT. WITHIN 75 NM OF LINE FROM 12N99W
TO 11N102W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT PRIMARILY
IN NE SWELL. REMAINDER OF AREA FROM 06N TO 15N BETWEEN 91W AND
105W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NE SWELL.
.12 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 15N95W TO
13N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 35 TO 45
KT. SEAS 15 TO 22 FT. ELSEWHERE WITHIN 90 NM OF LINE FROM 16N95W
TO 15N95W TO 12N97W N TO NE WINDS 30 TO 35 KT. SEAS 12 TO 19 FT.
WITHIN 150 NM OF LINE FROM 16N95W TO 15N95W TO 13N97W TO 12N98W
TO 11N100W N TO NE WINDS 20 TO 30 KT. SEAS 12 TO 18 FT PRIMARILY
IN NE SWELL. REMAINDER OF AREA FROM 05N TO 15N BETWEEN 90W AND
107W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND SW
SWELL.
.24 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO
13.5N96.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
45 KT. SEAS 12 TO 18 FT. WITHIN 150 NM OF LINE FROM 16N95W TO
13.5N96W TO 11N101W NE TO E WINDS 20 TO 30 KT. SEAS 11 TO 15 FT.
REMAINDER OF AREA FROM 03N TO 15N BETWEEN 90W AND 110W WINDS 20
KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO
13N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40
KT. SEAS 11 TO 14 FT. ELSEWHERE WITHIN 75 NM OF LINE FROM 16N95W
TO 15N95W TO 13N97W N TO NE WINDS 20 TO 30 KT. SEAS 10 TO 13 FT
IN NE SWELL. REMAINDER OF AREA FROM 02N TO 14N BETWEEN 91W AND
112W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW
SWELL.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 11N86W TO 09N87W...INCLUDING GULF OF
PAPAGAYO...N TO NE WINDS 30 TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE
FROM 07N TO 11N BETWEEN 85W AND 88W N TO NE WINDS 20 TO 30 KT.
SEAS TO 9 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 09N87W...
INCLUDING GULF OF PAPAGAYO...NE WINDS 25 TO 30 KT. SEAS 9 TO 11
FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 11N86W TO 09N87W TO
07N90W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA
FROM 05N TO 11N BETWEEN 85W AND 90W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO
10N87.5W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.
SEAS TO 9 FT. ELSEWHERE FROM 06N TO 11N BETWEEN 86W AND 91W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NE AND S SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N139W TO 29N140W. N OF LINE FROM 30N137W TO
29N140W S TO SW WINDS 20 TO 25 KT. SEAS 10 TO 14 FT IN NW SWELL.
ELSEWHERE N OF LINE FROM 30N135W TO 26N140W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NW SWELL.
.06 HOUR FORECAST COLD FRONT FROM 30N137W TO 27N140W. N OF LINE
FROM 30N133W TO 24N140W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN
NW SWELL...HIGHEST NW.
.24 HOUR FORECAST WEAKENING WARM FRONT FROM 30N136W TO 27N140W.
W OF LINE FROM 30N130W TO 20N134W TO 15N128W TO 10N140W WINDS 20
KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. W OF LINE FROM 30N124W TO
13N124W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW
SWELL.

.TROUGH FROM 09N124W TO 13N126W TO 17N126W. W OF LINE FROM
21N128W TO 14N122W TO 11N134W WINDS 20 KT OR LESS. SEAS TO 9 FT
IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST TROUGH DISSIPATED. CONDITIONS MERGED WITH
PARAGRAPH ABOVE.

.GULF OF CALIFORNIA N OF 30N AND W OF 113.5W NW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 60 NM OF THE COAST BETWEEN 88W AND 91W N TO NE WINDS 20
TO 25 KT. SEAS TO 9 FT.
.06 HOUR FORECAST WITHIN 90 NM OF THE COAST BETWEEN 87W AND
91W...INCLUDING GULF OF FONSECA...N TO NE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.24 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 2130 UTC SUN DEC 10...

.SCATTERED MODERATE ISOLATED STRONG FROM 11N TO 17N BETWEEN 108W
AND 115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N74W TO 07N80W TO 08N86W TO 07N96W TO
10N115W TO 07N127W TO 07N136W. ITCZ CONTINUES FROM 07N136W TO
BEYOND 08N140W. SCATTERED MODERATE FROM 06N TO 09N BETWEEN 77W
AND 87W...FROM 08N TO 10N BETWEEN 113W AND 118W AND FROM 06N TO
09N BETWEEN 124W AND 134W.

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC DEC 10 2017.
24 HOUR FORECAST VALID 1800 UTC DEC 11 2017.
48 HOUR FORECAST VALID 1800 UTC DEC 12 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N140W TO 23N150W TO 20N160W TO 21N170W MOVING E 20
KT E OF 150W...AND S SLOWLY W OF 150W. WINDS 20 TO 25 KT N OF
28N E OF 145W.
.24 HOUR FORECAST FRONT DISSIPATED OVER FORECAST WATERS. WINDS
EASED TO 20 KT OR LESS.

.FRONT FROM 30N176W TO 27N170E TO 26N160E. MOVING E 35 KT ALONG
30N...AND NEARLY STATIONARY W OF 168E. SW TO W WINDS 20 TO 25 KT
N OF 29N BETWEEN 163W AND 175W.
.24 HOUR FORECAST FRONT FROM 30N154W TO 25N170W TO 24N180E.
WINDS 20 TO 30 KT N OF LINE FROM 30N148W TO 27N160W TO 30N177W.
.48 HOUR FORECAST FRONT FROM 30N148W TO 25N154W TO 21N160W TO
20N170W. WINDS 20 TO 30 KT N OF 24N E OF 170W.

.24 HOUR FORECAST FRONT APPROACHING FORECAST AREA FROM THE W. S
TO SE WINDS 20 TO 30 KT N OF 28N W OF 165E.
.48 HOUR FORECAST FRONT NEAR 30N160E. WINDS DIMINISHED TO 20 KT
OR LESS.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 17N W OF 178E.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 07N TO 18N W OF 175E.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 07N TO 20N W OF
175W...AND FROM 11N TO 14N E OF 145W.

.HIGH 28N158W 1022 MB MOVING E 25 KT. RIDGES FROM HIGH TO
30N160W...AND FROM HIGH TO 25N180E TO 26N172E.
.24 HOUR FORECAST HIGH MOVED E OF AREA.

.SEAS 12 TO 18 FT N OF A LINE FROM 27N140W TO 20N155W TO
22N163W. SEAS 8 TO 12 FT ELSEWHERE N OF 18N E OF 172W. SEAS 8 TO
10 FT FROM 05N TO 20N W OF 178W.
.24 HOUR FORECAST SEAS 12 TO 18 FT N OF 28N BETWEEN 150W AND
170E. SEAS 8 TO 12 FT N OF 25N...AND ELSEWHERE N OF 10N E OF
155W. SEAS 8 TO 10 FT FROM 06N TO 20N W OF 177E. SEAS 8 TO 9 FT
FROM 10N TO 20N BETWEEN 157W TO 170W.
.48 HOUR FORECAST SEAS 18 TO 25 FT N OF 24N BETWEEN 155W AND
175W. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N140W TO
18N180W. SEAS 8 TO 12 FT N OF A LINE FROM 27N140W TO 15N180W TO
15N175E. SEAS 8 TO 10 FT FROM 08N TO 20N E OF 150W...AND N OF
08N W OF 175E.

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

.ITCZ FROM 08N140W TO 07N170W TO 04N180W TO 05N160E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 220 NM OF ITCZ W OF 160W.

$$

.FORECASTER MORRISON. HONOLULU HI.


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