High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 181725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN FEB 18 2018

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1200 UTC FEB 18.
24 HOUR FORECAST VALID 1200 UTC FEB 19.
48 HOUR FORECAST VALID 1200 UTC FEB 20.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH FIRST CENTER 46N171E 960 MB MOVING N 30 KT AND
SECOND CENTER 40N168E 977 MB MOVING NE 40 KT. BETWEEN 240 NM AND
540 NM NE QUADRANT...BETWEEN 240 NM AND 660 NM SE QUADRANT...AND
WITHIN 240 NM W SEMICIRCLE OF FIRST LOW AND WITHIN 300 NM SE AND
600 NM SW QUADRANTS OF SECOND CENTER WINDS 40 TO 55 KT. SEAS 13
TO 27 FT...EXCEPT IN SE AND SW QUADRANTS OF SECOND CENTER 22 TO
44 FT. ELSEWHERE WITHIN 1080 NM S SEMICIRCLE...AND 360 NM NW AND
660 NM NE QUADRANT OF FIRST CENTER WINDS 25 TO 40 KT. SEAS 13 TO
28 FT. ALSO FROM 30N TO 54N W OF 170W WINDS TO 25 KT. SEAS 8 TO
16 FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 57N172E 962 MB. OVER
FORECAST WATERS BETWEEN 180 NM AND 600 NM SE QUADRANT WINDS 35
TO 50 KT. SEAS 17 TO 31 FT. ELSEWHERE WITHIN 600 NM NE...1080 NM
SE AND 660 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 13 TO 27 FT.
ALSO WITHIN 1560 NM SE AND 900 NM SW QUADRANTS WINDS TO 25 KT.
SEAS 8 TO 18 FT.
.36 HOUR FORECAST LOW NW OF AREA NEAR 61N175E 964 MB. OVER
FORECAST WATERS WITHIN 420 NM SE QUADRANT WINDS 50 TO 65 KT.
SEAS 24 TO 34 FT.
.48 HOUR FORECAST LOW NW OF AREA NEAR 66N179W 976 MB. OVER
FORECAST WATERS WITHIN 480 NM SE AND 780 NM SW QUADRANTS WINDS
35 TO 50 KT. SEAS 18 TO 38 FT. ELSEWHERE WITHIN 720 NM SE AND
1080 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 12 TO 25 FT.

...STORM WARNING...
.LOW 48N125W 1001 MB MOVING SE 20 KT. WITHIN 480 NM W SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 14 TO 27 FT. ELSEWHERE WITHIN 720 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. ALSO WITHIN 840
NM NW AND 1080 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 31N TO 51N BETWEEN 118W
AND 133W WINDS 25 TO 40 KT. SEAS 12 TO 25 FT. ELSEWHERE FROM 30N
TO 54N BETWEEN 116W AND 136W WINDS TO 25 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 46N158W 1020 MB MOVING NE 10 KT. WITHIN 600 NM NE QUADRANT
WINDS 25 TO 35 KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN 480 NM
NW...720 NM NE...660 NM SE AND 240 NM SW QUADRANTS WINDS TO 25
KT. SEAS 9 TO 14 FT.
.24 HOUR FORECAST LOW 48N154W 1024 MB. WITHIN 540 NM E
SEMICIRCLE WINDS TO 25 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 45N148W 1028 MB. WITHIN 360 NM OF LOW
CENTER EXCEPT 240 NM NE QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.LOW NW OF AREA NEAR 63N180W 994 MB MOVING N 30 KT. OVER
FORECAST WATERS BETWEEN 360 NM AND 720 NM SE QUADRANT WINDS 25
TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 720 NM SE AND 540 NM
SW QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW AND CONDITIONS WELL NW OF AREA.

...GALE WARNING...
.24 HOUR FORECAST LOW 38N163W 1000 MB. FROM 30N TO 41N W OF 170E
WINDS 25 TO 40 KT. SEAS 16 TO 31 FT. ELSEWHERE FROM 30N TO 44N W
OF 180W WINDS TO 25 KT. SEAS 12 TO 25 FT.
.48 HOUR FORECAST LOW 45N175E 999 MB. WITHIN 360 NM NW...540 NM
NE AND 540 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 23 FT.
ELSEWHERE WITHIN 420 NM NW...720 NM NE...960 NM SE AND 780 NM SW
QUADRANTS WINDS TO 25 KT. SEAS 10 TO 21 FT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM 30N TO 58N
BETWEEN 145W AND 170W WINDS TO 25 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM
30N TO 50N W OF 152W WINDS TO 25 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM
30N TO 45N BETWEEN 116W AND 142W AND FROM 30N TO 55N W OF 158W
WINDS TO 25 KT. SEAS 8 TO 18 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 34N TO 52N
BETWEEN 150W AND 158W AND FROM 58N TO 64N BETWEEN 166W AND 174W
AND FROM 38N TO 48N BETWEEN 174W AND 172E.
.24 HOUR FORECAST DENSE FOG FROM 34N TO 53N BETWEEN 147W AND
156W AND FROM 39N TO 53N BETWEEN 167W AND 173W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 50N BETWEEN 141W AND
150W AND FROM 40 TO 50N BETWEEN 164W AND 178E.

.HIGH 51N143W 1040 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 44N140W 1040 MB.
.48 HOUR FORECAST HIGH 37N139W 1038 MB.

.HIGH 49N165W 1027 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 54N157W 1030 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 41N165W 1029 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 44N161W 1032 MB.
.48 HOUR FORECAST HIGH 47N157W 1036 MB.

.48 HOUR FORECAST HIGH 33N166E 1024 MB.

.FORECASTER HOLLEY. 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 SUN FEB 18.
24 HOUR FORECAST VALID 1200 UTC MON FEB 19.
48 HOUR FORECAST VALID 1200 UTC TUE FEB 20.

.WARNINGS.
.NONE.

.SYNOPSIS AND FORECAST.

.FROM 13N TO 22N BETWEEN 134W AND 140W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 09N TO 22N BETWEEN 132W AND 140W WINDS 20
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. FROM 29N TO 30N BETWEEN
117W AND 128W NW TO N WINDS 20 TO 25 KT. SEAS TO 9 FT.
.30 HOUR FORECAST FROM 20N TO 27N BETWEEN 137W AND 140W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 07N TO 20N BETWEEN 133W
AND 140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. FROM
28.5N TO 30N E OF 133W NW TO N WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 20N TO 27N BETWEEN 124W AND 140W NE TO E
WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED
BY LINE FROM 30N140W TO 30N116W TO 26N115W TO 08N140W TO 30N140W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.WITHIN 15 NM OF LINE FROM 16N95W TO 14.5N95W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 75 NM OF LINE FROM 12N86.5W TO 09.5N89W...INCLUDING THE
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST WITHIN 75 NM OF LINE FROM 12N86.5W TO
10N90W... INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 75 NM OF LINE FROM 12N86.5W TO
11.5N88W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.

.12 HOUR FORECAST N OF 05N BETWEEN 79W AND 81W...INCLUDING THE
W GULF OF PANAMA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT FROM 32N115W TO
28N114W. FROM 29.5N TO 31N SW TO W WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 32N114W TO 28N114W. FROM 29.5N
TO 31.5N SW TO W WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. NW OF
FRONT NW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST COLD FRONT FROM 30N113W TO 29N112W. S OF FRONT
TO 29N SW TO W WINDS 20 TO 30 KT. SEAS TO 8 FT. NW OF FRONT NW
TO N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FRONT E OF AREA. 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 1500 UTC SUN FEB 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...TROUGH FROM
09N85W TO 06N103W. ITCZ FROM 06N103W TO 05N140W. NO SIGNIFICANT
CONVECTION.

.FORECASTER NELSON. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1200 UTC FEB 18 2018.
24 HOUR FORECAST VALID 1200 UTC FEB 19 2018.
48 HOUR FORECAST VALID 1200 UTC FEB 20 2018.

.WARNINGS.
.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N154W TO 22N157W TO 17N160W TO 10N170W MOVING W
NEAR 10 KT. E TO SE WINDS 20 TO 25 KT E OF A LINE FROM 30N154W
TO 20N153W TO 15N148W. AREAS OF SCATTERED MODERATE TSTMS WITHIN
360 NM E OF TROUGH E OF 161W.
.24 HOUR FORECAST TROUGH FROM 30N157W TO 20N160W 14N163W. E TO
SE WINDS 20 TO 25 KT E OF A LINE FROM 30N154W TO 24N156W TO
10N146W.
.48 HOUR FORECAST WEAKENING TROUGH 30N161W TO 20N162W. E WINDS
20 TO 30 KT E OF A LINE FROM 30N161W TO 25N161W TO 12N150W.

.FRONT FROM 30N172E TO 25N165E TO 22N160E MOVING E 15 KT AND
SLOWING. W TO SW WINDS 20 TO 25 KT N OF 26N W OF 177E.
.24 HOUR FORECAST FRONT FROM 30N178E TO 25N173E TO 19N160E.
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 30N178W TO 27N179W TO 23N175E TO
20N166E.

.TROUGH FROM 01N160E TO 00N170E MOVING S SLOWLY.
.24 HOUR FORECAST TROUGH MOVED S OF AREA.

.RIDGE FROM 30N170W TO 24N180E TO 20N167E NEARLY STATIONARY...
ERODING FROM W.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 12 TO 20 FT N OF A LINE FROM 30N168E TO 26N160E. SEAS 8 TO
12 FT ELSEWHERE N OF A LINE FROM 30N175E TO 24N160E. SEAS 8 TO
10 FT N OF 26N BETWEEN 145W AND 180W.
.24 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE FROM 30N180W TO
24N172E TO 21N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM
30N178E TO 22N171E TO 17N160E. SEAS 8 TO 10 FT WITHIN 580 NM E
OF A LINE FROM 30N160W TO 20N153W TO 10N145W. SEAS 8 TO 9 FT N
OF 20N BETWEEN 160W AND 170W.
.48 HOUR FORECAST SEAS 12 TO 15 FT N OF A LINE FROM 30N175W TO
26N180W TO 22N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM
30N165W TO 17N174W TO 10N160E. SEAS 8 TO 13 FT E OF A LINE FROM
30N160W TO 10N150W.

.SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.

.ITCZ FROM 06N140W TO 07N164W TO 04N175W. ISOLATED TSTMS WITHIN
200 NM OF ITCZ.

$$

.FORECASTER LAU. HONOLULU HI.



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