High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 180337
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU SEP 18 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 0000 UTC SEP 18.
24 HOUR FORECAST VALID 0000 UTC SEP 19.
48 HOUR FORECAST VALID 0000 UTC SEP 20.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW W OF FORECAST AREA 35N148E 1003 MB MOVING NE 35 KT WILL
RAPIDLY INTENSIFY AFTER 12 HOURS AND TURN N AFTER 24 HOURS.
ASSOCIATED CONDITIONS W OF FORECAST AREA.
.12 HOUR FORECAST LOW W OF AREA 38N155E 996 MB. OVER FORECAST
WATERS FROM 34N TO 48N W OF 164E WINDS 25 TO 40 KT. SEAS TO 12
FT.
.24 HOUR FORECAST LOW 45N161E 983 MB. WITHIN 180 NM NE AND 240 NM
E AND SE QUADRANTS WINDS 40 TO 55 KT. SEAS 12 TO 20 FT. ALSO FROM
35N TO 50N W OF 172E WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
ELSEWHERE FROM 32N TO 52N W OF 174E WINDS 20 TO 30 KT. SEAS 8 TO
15 FT.
.36 HOUR FORECAST LOW 49N162E 966 MB. WITHIN 120 NM S AND SE
SEMICIRCLES WINDS 50 TO 65 KT. SEAS 18 TO 30 FT.
.48 HOUR FORECAST LOW NW OF FORECAST AREA 52N161E 962 MB. FRONT
TO EXTEND FROM 34N165E TO 41N179E TO 52N171E. WITHIN 180 NM SE
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 18 TO 28 FT. ALSO WITHIN 540
NM E AND NE...480 NM S AND SE QUADRANTS...AND WITHIN 240 NM E OF
FRONT N OF 39N WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ELSEWHERE W
OF A LINE FROM 41N168E TO 56N176E...AND WITHIN 300 NM E OF ENTIRE
FRONT WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 53N153W 982 MB MOVING NE 15 KT WILL
TURN NW AFTER 24 HOURS. FRONT EXTENDS FROM 60N150W TO 48N144W.
WITHIN 180 NM E OF FRONT AND WITHIN 540 NM S AND SE AND 600 NM SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ELSEWHERE FROM 40N
TO 61N BETWEEN 138W AND 174W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 56N144W 973 MB. BETWEEN 120 NM AND 240 NM N
AND NE QUADRANTS...AND WITHIN 300 NM S SEMICIRCLE WINDS 35 TO 45
KT. SEAS 12 TO 24 FT. ALSO FROM 48N TO 60N BETWEEN 129W AND 155W
WINDS 25 TO 35 KT. SEAS 10 TO 20 FT. ELSEWHERE FROM 46N TO 61N
BETWEEN 128W AND 161W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW INLAND OVER ALASKA NEAR 62N148W 990 MB.
FROM 53N TO 61N BETWEEN 131W AND 151W WINDS TO 25 KT. SEAS 8 TO
15 FT.

...GALE WARNING...
.OVER THE BERING SEA N OF 53N BETWEEN 162W AND 179E AREA OF N TO
NW WINDS 20 TO 30 KT. SEAS TO 9 FT.
.12 HOUR FORECAST N OF 61N BETWEEN 167W AND 173W AREA OF N TO NW
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST N OF 61N BETWEEN 166W AND 171W AREA OF N WINDS
25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE N OF 45N BETWEEN 163W AND
178W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 360 NM E AND NE OF A LINE FROM 39N164W
TO 65N170W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 41N158W 1007 MB. WITHIN 360 NM SE AND
600 NM W AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.36 HOUR FORECAST LOW 43N152W 1000 MB. WITHIN 300 NM SE...600 NM
S AND SW...AND 120 NM W AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS
8 TO 15 FT.
.48 HOUR FORECAST LOW 49N145W 995 MB. FRONT TO EXTEND FROM THE
LOW TO 35N154W TO 31N159W. WITHIN 300 NM E AND NE QUADRANTS...AND
WITHIN 240 NM E AND NE OF THE FRONT N OF 35N WINDS 25 TO 40 KT.
SEAS 10 TO 18 FT. ELSEWHERE WITHIN 480 NM E AND NE QUADRANTS...
180 NM NW SEMICIRCLE...WITHIN 360 NM E OF THE FRONT...AND WITHIN
120 NM W OF THE FRONT WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER 38N127W 998 MB DRIFTING E. FROM 33N
TO 44N BETWEEN 123W AND 139W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 38N125W 1009 MB. WITHIN 240 NM W AND SW
QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 37N TO 44N BETWEEN 124W
AND 128W AREA OF N WINDS 20 TO 30 KT. SEAS TO 9 FT.

.FROM 30N TO 35N BETWEEN 117W AND 121W AREA OF NW WINDS TO 25
KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 30N TO 34N E OF 122W AREA OF NW WINDS TO
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM OF
52N151W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM OF 40N166E.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 34N159W 1022 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 36N144W 1018 MB.
.48 HOUR FORECAST HIGH 41N133W 1020 MB.

.HIGH 32N180W 1021 MB MOVING SW 10 KT WILL BECOME STATIONARY
AFTER 24 HOURS.
.24 HOUR FORECAST HIGH 31N176E 1019 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 45N169E 1023 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 41N179E 1023 MB.
.48 HOUR FORECAST HIGH 37N173W 1022 MB.

.48 HOUR FORECAST NEW HIGH 50N129W 1020 MB.

.FORECASTER MILLS. 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 0000 UTC THU SEP 18.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 19.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 20.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE POLO NEAR 16.4N 104.6W 988 MB AT 0300 UTC SEP 18
MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM E
SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN
120 NM W SEMICIRCLE...150 NM NE QUADRANT AND 210 NM SE QUADRANT
WITH SEAS TO  24 FT. ELSEWHERE WITHIN 150 NM E AND 120 NM W
SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 12 FT. WITHIN 60 NM OF
LINE FROM 14N103W TO 12N105W SW WINDS 20 TO 25 KT. SEAS 8 TO 11
FT. REMAINDER OF AREA FROM 11N TO 19N BETWEEN 96W AND 107W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN SW SWELL.
.24 HOUR FORECAST HURRICANE POLO NEAR 17.7N 106.7W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM E SEMICIRCLE AND 70 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 90 NM NE...180 NM SE...120 NM SW AND 45 NM NW
QUADRANTS WITH SEAS TO 30 FT. ELSEWHERE WITHIN 210 NM SE AND 120
NM NW SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 12 FT. REMAINDER OF
AREA FROM 13N TO 21N BETWEEN 101W AND 112W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE POLO NEAR 19.2N 108.8W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM E SEMICIRCLE AND 80 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 180 NM SE AND 90 NM NW SEMICIRCLES WITH SEAS TO
31 FT. ELSEWHERE WITHIN 210 NM SE AND 120 NM NW SEMICIRCLES
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 15N
TO 23N BETWEEN 103W AND 112W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE POLO NEAR 20.6N 111.2W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM POLO NEAR 21.6N 113.5W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM POLO NEAR 22.0N 115.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.WEAKENING COLD FRONT FROM 30N127W TO 23N140W. NW OF FRONT WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.12 HOUR FORECAST FRONTAL TROUGH FROM 30N126W TO 22N140W. W OF
TROUGH WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST TROUGH DISSIPATED. 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 0215 UTC THU SEP 18...

.TROPICAL STORM POLO...SCATTERED TO NUMEROUS STRONG WITHIN 75 NM
SW OF CENTER. NUMEROUS MODERATE TO SCATTERED STRONG FROM 14N TO
17N BETWEEN 102W AND 106W. SCATTERED MODERATE TO ISOLATED STRONG
FROM 13N TO 18N BETWEEN 100W AND 108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 08N87W TO 12N93W TO 14N99W THEN
RESUMES SW OF HURRICANE POLO NEAR 13N106W TO 12N115W TO 10N124W.
ITCZ FROM 10N124W TO 09N127W TO 13N140W. SCATTERED MODERATE TO
STRONG FROM 09N TO 11N BETWEEN 97W AND 99W. SCATTERED MODERATE
TO ISOLATED STRONG WITHIN 45 NM ALONG COAST OF PANAMA AND COSTA
RICA.

$$
.FORECASTER PAW. NATIONAL HURRICANE CENTER.


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