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 210421
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 21.
24 HOUR FORECAST VALID 0000 UTC AUG 22.
48 HOUR FORECAST VALID 0000 UTC AUG 23.

.WARNINGS.

...GALE WARNING...
.LOW W OF AREA NEAR 43N154W 1004 MB MOVING E 25 KT. WITHIN 540
NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 9 FT.
.18 HOUR FORECAST LOW 40N168E 1000 MB. WITHIN 120 NM OF LOW
WINDS 25 TO 40 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 39N173E 1000 MB. WITHIN 120 NM N
SEMICIRCLE WINDS 25 TO 40 KT. SEAS TO 11 FT. ELSEWHERE FROM 32N
TO 43N W OF 178E WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 46N172W 1000 MB. WITHIN 240 NM NE AND E OF
A LINE FROM 54N178E TO THE LOW AND WITHIN 540 NM E AND SE OF A
LINE FROM THE LOW TO 33N175E WINDS 20 TO 30 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.LOW 52N140W 1012 MB MOVING SE 25 KT. WITHIN 240 NM OF LOW
CENTER WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.LOW 36N170W 1012 MB MOVING NE 15 KT. WITHIN 240 NM OF LOW WINDS
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 41N163W 1014 MB. WITHIN 240 NM E OF A
FRONT FROM 48N155W TO LOW CENTER TO 37N165W WINDS 20 TO 30 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 53N175E 1001 MB MOVING S 05 KT. WITHIN 480 NM NE AND 660 NM
SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 51N175E 1003 MB. WITHIN 480 NM NE AND 660
NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW MERGED WITH LOW 46N172W ABOVE.

.FROM 38N TO 43N BETWEEN 124W AND 127W N WINDS 20 TO 30 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST FROM 35N TO 42N BETWEEN 124W AND 127W N TO NW
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 37N TO 43N BETWEEN 123W AND 129W N TO NW
WINDS 20 TO 30 KT. SEAS TO 10 FT.

.24 HOUR FORECAST FROM 30N TO 34N BETWEEN 128W AND 140W NE WINDS
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 30N TO 34N BETWEEN 127W AND 147W E TO NE
WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 47N
BETWEEN 161W AND 155W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
52N156W TO 42N163W.
.48 HOUR FORECAST DENSE FOG FROM 38N TO 48N BETWEEN 174W AND
152W.

.HIGH 40N143W 1027 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 42N147W 1030 MB.

.HIGH 53N155W 1023 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 53N144W 1027 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 61N167W 1023 MB MOVING N 10 KT.
.24 HOUR FORECAST HIGH 64N166W 1024 MB.
.48 HOUR FORECAST HIGH 63N173W 1022 MB.

.48 HOUR FORECAST NEW HIGH 48N140W 1029 MB.

.FORECASTER MUSONDA. 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 AUG 21.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 22.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 23.

...TROPICAL STORM WARNING...
.TROPICAL STORM KARINA NEAR 15.9N 136.4W 998 MB AT 0300 UTC AUG
21 MOVING IS STATIONARY. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60
KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER EXCEPT 40
NM SE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 100 NM OF CENTER
WITH SEAS TO 16 FT. ELSEWHERE WITHIN 150 NM N AND 240 NM S
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA FROM 11N TO 20N W OF 130W WINDS 20 KT OR LESS. SEAS 8 TO
9 FT IN A BROAD MIX OF SWELL.
.24 HOUR FORECAST TROPICAL STORM KARINA NEAR 15.5N 135.8W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. LITTLE CHANGE IN
RADIUS OF TROPICAL STORM FORCE WINDS. SEAS 12 FT OR GREATER
WITHIN 120 NM OF CENTER WITH SEAS TO 18 FT. ELSEWHERE WITHIN 180
NM OF CENTER...EXCEPT 240 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS
8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 21N W OF 130W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN A BROAD MIX OF SWELL.
.48 HOUR FORECAST TROPICAL STORM KARINA NEAR 16.3N 134.1W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM W SEMICIRCLE...50 NM NE QUADRANT AND 60 NM SE
QUADRANT. SEAS 12 FT OR GREATER WITHIN 100 NM E SEMICIRCLE WITH
SEAS TO 15 FT. ELSEWHERE WITHIN 150 NM OF CENTER...EXCEPT 300 NM
SE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA FROM 08N TO 23N W OF 130W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN A BROAD MIX OF SWELL.
.72 HOUR FORECAST TROPICAL STORM KARINA NEAR 18.3N 131.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW KARINA NEAR 21.4N
128.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW KARINA NEAR 27.0N
129.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM LOWELL NEAR 19.6N 121.6W 988 MB AT 0300 UTC AUG
21 MOVING NW OR 320 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE
QUADRANT...180 NM SE QUADRANT...150 NM SW QUADRANT...AND 110 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM W
SEMICIRCLE...300 NM NE QUADRANT AND 390 NM SE QUADRANT WITH SEAS
TO 22 FT. ELSEWHERE WITHIN 300 NM N AND 360 NM S SEMICIRCLES
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11N
TO 26N BETWEEN 111W AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN A BROAD MIX OF SWELL.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 21.0N 122.9W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM W SEMICIRCLE...150 NM NE QUADRANT AND 180 NM
SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM OF CENTER WITH
SEAS TO 24 FT. ELSEWHERE WITHIN 300 NM OF CENTER...EXCEPT 420 NM
SE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA FROM 10N TO 28N BETWEEN 110W AND 130W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN A BROAD MIX OF SWELL.
.48 HOUR FORECAST TROPICAL STORM LOWELL NEAR 23.2N 125.4W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 150 NM E SEMICIRCLE AND 120 NM W SEMICIRCLE. SEAS
12 FT OR GREATER WITHIN 300 NM OF CENTER WITH SEAS TO 21 FT.
ELSEWHERE WITHIN 300 NM OF CENTER...EXCEPT 360 NM NW QUADRANT
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY
A LINE FROM 30N130W TO 08N130W TO 08N112W TO 20N112W TO 30N120W
TO 30N130W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN A BROAD MIX
OF SWELL.
.72 HOUR FORECAST TROPICAL STORM LOWELL NEAR 25.0N 128.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 26.5N
130.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 28.0N
133.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.

.LOW PRES NEAR 09.5N94.5W 1007 MB. FROM 11N TO 14N BETWEEN 90W
AND 93W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
12N98W 1006 MB. FROM 11N TO 15N BETWEEN 93W AND 100W E WINDS 20
TO 25 KT. SEAS 8 TO 10 FT. FROM 05N TO 09N BETWEEN 94W AND 100W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SW AND NW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N103W 1004 MB. WITHIN 300 NM NW AND 360 NM SE SEMICIRCLES
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FROM 03N TO 08N BETWEEN 104W
AND 118W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN A BROAD MIX OF
SWELL.

.S OF 02S W OF 100W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED
SE AND SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.30 HOUR FORECAST N OF 28N BETWEEN 131W AND 137W WINDS 20 KT OR
LESS. SEAS 8 FT IN A BROAD MIX OF SWELL.
.42 HOUR FORECAST N OF 24N W OF 130W NE WINDS 20 TO 25 KT. SEAS
8 TO 9 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID 0215 UTC THU AUG 21...

.TROPICAL STORM KARINA...NUMEROUS MODERATE ISOLATED STRONG
WITHIN 60 NM E AND 120 NM W SEMICIRCLES. SCATTERED MODERATE
WITHIN 120 NM SE OF A LINE FROM 14N137W TO 11N140W.

.TROPICAL STORM LOWELL....NUMEROUS MODERATE ISOLATED STRONG
WITHIN 180 NM N SEMICIRCLE...240 NM SE AND 300 NM SW QUADRANTS.

.LOW PRES NEAR 09.5N94.5W 1007 MB...SCATTERED MODERATE ISOLATED
STRONG WITHIN 90 NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO LOW PRES
NEAR 09.5N94.5W TO 06N103W TO 10N115W. NO ITCZ AXIS E OF 140W.
SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 09N BETWEEN
82W AND 86W...WITHIN 60 NM EITHER SIDE OF AXIS BETWEEN 86W AND
93W...WITHIN 180 NM SE OF AXIS BETWEEN 96W AND 99W...AND WITHIN
60 NM EITHER SIDE OF AXIS BETWEEN 99W AND 107W.

$$
.FORECASTER LEWITSKY. 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.