High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 201612
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT SEP 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC SEP 20.
24 HOUR FORECAST VALID 1200 UTC SEP 21.
48 HOUR FORECAST VALID 1200 UTC SEP 22.

.WARNINGS.

...STORM WARNING...
.LOW 41N144W 1005 MB MOVING NE 30 KT. FRONT FROM 47N140W TO
44N141W TO LOW TO 33N152W. WITHIN 180 NM E OF THE FRONT WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 52N138W 989 MB. FRONT TO EXTEND FROM LOW
TO 48N135W TO 43N136W TO 36N140W. WITHIN 240 NM E AND 120 NM W
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE WITHIN
180 NM E OF THE FRONT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST LOW 57N138W 980 MB. WITHIN 120 NM E AND SE
SEMICIRCLES WINDS 40 TO 55 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST LOW INLAND. FROM 55N TO 60N BETWEEN 136W AND
145W WINDS TO 25 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW JUST NW OF FORECAST AREA 52N162E 969 MB MOVING E 15 KT.
FRONT FROM 54N170E TO 49N177E TO 41N174W. OVER FORECAST WATERS
WITHIN 120 NM E AND 660 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS
12 TO 22 FT. ELSEWHERE WITHIN 180 NM E OF FRONT WINDS 20 TO 30
KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST LOW 52N171E 985 MB. WITHIN 480 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE WITHIN
480 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 54N168E 994 MB.
WITHIN 540 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.LOW 55N137W 994 MB MOVING NE 25 KT. FRONT FROM 56N136W TO
52N137W TO 47N140W. WITHIN 300 NM E AND NE QUADRANTS AND 180 NM
E OF THE FRONT WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND WITH CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 41N174W 1009 MB MOVING E 15 KT. WITHIN 240 NM E AND SE
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 42N166W 1004 MB. WITHIN 360 NM S AND 240
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 42N150W 994 MB. WITHIN 180 NM E...420 NM
S...AND 360 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.FROM 47N TO 67N BETWEEN 156W AND 168W AREA OF N TO NW WINDS TO
25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.FROM 41N TO 44N BETWEEN 124W AND 127W AREA OF N WINDS TO 25 KT.
SEAS TO 10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST NEW LOW 33N162W 1009 MB. WITHIN 240 NM S AND
SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH
LOW 34N160E.

.48 HOUR FORECAST NEW LOW 34N160E 1007 MB. FRONT TO EXTEND FROM
LOW TO 36N167E TO 37N180W. WITHIN 120 NM NW SEMICIRCLE AND 180
NM S OF THE FRONT WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY BELOW 1 NM FROM 50N TO 55N BETWEEN
130W AND 138W.
.24 HOUR FORECAST VSBY IMPROVED.

.HIGH 31N176E 1020 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 32N180W 1020 MB.
.48 HOUR FORECAST HIGH 32N174W 1020 MB.

.HIGH 37N167W 1020 MB MOVING SE 15 KT NEXT 24 HOURS THEN WILL
TURN E AND NE.
.24 HOUR FORECAST HIGH 34N159W 1020 MB.
.48 HOUR FORECAST HIGH 40N136W 1016 MB.

.HIGH 35N162E 1018 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 38N176E 1018 MB.
.48 HOUR FORECAST HIGH 40N175W 1019 MB.

.FORECASTER ACHORN. 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 SAT SEP 20.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 21.
48 HOUR FORECAST VALID 1200 UTC MON SEP 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM POLO NEAR 20.9N 109.0W 1000 MB AT 1500 UTC SEP
20 MOVING NW OR 305 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE...80 NM
SE...70 NM SW AND 40 NM NW QUADRANTS. SEAS 12 FT OR GREATER
WITHIN 150 NM E AND WITHIN 120 NM W SEMICIRCLES WITH SEAS TO
SEAS TO 18 FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA FROM 16N TO 24N BETWEEN
105W AND 113W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION POLO NEAR 21.9N 111.2W.
WITHIN 180 NM OF CENTER WINDS 30 KT GUST TO 40 KT. SEAS 8 TO 12
FT.
.48 HOUR FORECAST POST TROPICAL REMNANT LOW POLO NEAR 22.5N
113.5W. WITHIN 90 NM OF CENTER WINDS 25 GUST 35 KT. SEAS 8 TO 10
FT.
.72 HOUR FORECAST POST TROPICAL REMNANT LOW POLO NEAR 22.0N
115.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL REMNANT LOW POLO NEAR 21.5N
115.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST POST TROPICAL REMNANT LOW POLO NEAR 20.5N
116.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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...

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

CONVECTION VALID 1500 UTC SAT SEP 20...

.TROPICAL STORM POLO...SCATTERED TO NUMEROUS MODERATE ISOLATED
STRONG WITHIN 150 NM OVER W SEMICIRCLE.

.SCATTERED MODERATE TO STRONG WITHIN 180 NM OF COAST OF
MEXICO FROM 94W TO 97W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 13N99W THEN RESUMES AT 16N120W TO
12N130W TO 12N140W. SCATTERED MODERATE TO STRONG FROM 05N TO 11N
BETWEEN 80W AND 111W.

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.



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