High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZPN01 KWBC 201004
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 20.
24 HOUR FORECAST VALID 0600 UTC SEP 21.
48 HOUR FORECAST VALID 0600 UTC SEP 22.

.WARNINGS.

...STORM WARNING...
.LOW JUST W OF FORECAST AREA 52N161E 969 MB MOVING E 10 KT.
FRONT FROM 54N168E TO 50N174E TO 42N179W. OVER FORECAST WATERS
WITHIN 480 NM S QUADRANT WINDS 40 TO 55 KT. SEAS 14 TO 23 FT.
ALSO WITHIN 540 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 19
FT.
ELSEWHERE WITHIN 180 NM E OF FRONT WINDS 25 TO 35 KT. SEAS 8 TO
14 FT.
.24 HOUR FORECAST LOW 52N169E 985 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 19 FT. ELSEWHERE WITHIN
480 NM S SEMICIRCLE AND BETWEEN 180 NM AND 480 NM E AND NE
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 55N176E 994 MB.
WITHIN 360 NM NE AND 420 NM S QUADRANTS...AND FROM 45N TO 53N W
OF 170E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 48N140W 994 MB. FRONT TO EXTEND FROM
LOW TO 40N139W TO 35N142W. WITHIN 240 NM NE QUADRANT AND 300 NM
SE QUADRANTS AND 240 NM E OF FRONT WINDS 25 TO 35 KT. SEAS 8 TO
12 FT.
.48 HOUR FORECAST LOW 58N142W 976 MB. WITHIN 120 NM N SEMICIRCLE
AND 300 NM SE AND 180 NM W AND 120 NM SW QUADRANTS WINDS 45 TO
60 KT. SEAS 15 TO 27 FT. ALSO WITHIN 240 NM SE AND 180 NM SW
QUADRANTS...AND 180 NM N SEMICIRCLE WINDS 30 TO 45 KT. SEAS 9 TO
19 FT.

...GALE WARNING...
.LOW 52N139W 997 MB MOVING NE 25 KT. FRONT FROM LOW TO 45N143W
TO 38N149W. WITHIN 240 NM NE AND 300 NM SE QUADRANTS WINDS 25 TO
40 KT. SEAS 10 TO 14 FT. ALSO WITHIN 240 NM E OF FRONT WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 42N168W 1007 MB. FRONT TO EXTEND FROM
LOW TO 40N166W TO 36N168W. WITHIN 300 NM S AND SW
QUADRANTS...AND 180 NM E AND SE OF FRONT WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST LOW 41N154W 1000 MB. WITHIN 360 NM S AND
SW...AND 240 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.N OF 47N BETWEEN 159W AND 168W AREA OF N TO NW WINDS TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST LOW 56N153W 1003 MB. WITHIN 420 NM W AND NW
QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.FROM 40N TO 44N BETWEEN 124W AND 128W AREA OF N WINDS 20 TO 30
KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST NEW LOW 37N170E 1012 MB. WITHIN 360 NM S AND
SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.

.HIGH 43N131W 1020 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 31N177E 1020 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH 32N180W 1020 MB.
.48 HOUR FORECAST HIGH 31N172W 1019 MB.

.HIGH 38N168W 1021 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 35N160W 1021 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 39N173W 1018 MB.

.FORECASTER ROWLAND. 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 SAT SEP 20.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 21.
48 HOUR FORECAST VALID 0600 UTC MON SEP 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM POLO NEAR 20.5N 108.6W 997 MB AT 0900 UTC SEP 20
MOVING NW OR 315 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 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 21 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 STORM POLO NEAR 21.8N 110.7W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM OF CENTER EXCEPT 40 NM NE QUADRANT. SEAS 12 FT OR
GREATER WITHIN WITHIN 120 NM S AND WITHIN 75 NM N SEMICIRCLES
WITH SEAS TO 14 FT. ELSEWHERE WITHIN 240 NM SE AND WITHIN 150
NM NW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION POLO NEAR 22.5N 113.2W.
WITHIN 180 NM OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST POST TROPICAL REMNANT LOW POLO NEAR 22.5N
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 0900 UTC SAT SEP 20...

.TROPICAL STORM POLO...SCATTERED MODERATE ISOLATED STRONG WITHIN
180 NM OVER W SEMICIRCLE. SCATTERED MODERATE ELSEWHERE WITHIN 90
NM
OF 17.5N110W.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF THE COAST OF
CENTRAL AMERICA AND MEXICO FROM 82W TO 100W.

.SCATTERED MODERATE ISOLATED STRONG OVER THE SOUTHERN GULF OF
CALIFORNIA WITHIN 60 NM OF 25N108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N83W TO 11N92W TO 09N123W...ITCZ AXIS FROM
09N13W TO 13N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 120
NM OF LINE FROM 06N77W TO 09N86W TO 09N96W TO 09N113W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.