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 200406
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 20.
24 HOUR FORECAST VALID 0000 UTC AUG 21.
48 HOUR FORECAST VALID 0000 UTC AUG 22.

.WARNINGS.

...GALE WARNING...
.36 HOUR FORECAST LOW 41N164E 1001 MB. FROM 37N TO 44N W OF 173E
WINDS 25 TO 35 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 40N176E 1000 MB. WITHIN 120 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 9 FT. ELSEWHERE FROM 35N TO
43N W OF 178E...WINDS 20 TO 30 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.LOW 51N149W 1010 MB MOVING NE 15 KT. WITHIN 180 NM OF CENTER
EXCEPT 120 NM N QUADRANT...WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 52N141W 1013 MB. WITHIN 120 NM NW
SEMICIRCLE AND 240 NM S QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 52N173E 1003 DRIFTING NE. WINDS LESS THAN 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST LOW 52N173E 1002 MB. WITHIN 360 NM E
SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 53N174E 1003 MB. WITHIN 180 NM E AND NE OF
A LINE FROM 58N180W TO 53N180W...AND WITHIN 120 NM E OF A LINE
FROM 53N180W TO 44N180W...S TO SE WINDS 20 TO 30 KT. SEAS TO 8
FT.

.FROM 36N TO 43N BETWEEN 125W AND 128W N TO NW WINDS TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST E OF LINE FROM 38N129W TO 43N125W N WINDS TO
25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 36N TO 41N BETWEEN 123W AND 128W N WINDS
20 TO 30 KT. SEAS TO 9 FT.

.48 HOUR LOW 52N157W 1012 MB WITH FRONT EXTENDING S TO SW TO
46N150W. WITHIN 240 NM E QUADRANT AND 240 NM E OF THE FRONT
WINDS 20 TO 30 KT. SEAS TO 9 FT.

.48 HOUR FORECAST FROM 30N TO 35N BETWEEN 130W AND 138W AREA NE
WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 51N
BETWEEN 143W AND 152W AND FROM 43N TO 46N BETWEEN 157W AND 160W
AND FROM 46N TO 52N BETWEEN 180W AND 175E.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 46N BETWEEN 147W AND
145W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 150W AND
158W.

.HIGH 53N138W 1019 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 41N145W 1026 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 57N167W 1020 MB MOVING N 10 KT.
.24 HOUR FORECAST HIGH 61N167W 1025 MB.
.48 HOUR FORECAST HIGH 63N168W 1024 MB.

.HIGH 42N176W 1021 MB MOVING NE 10 KT.
.24 HOUR FORECAST DISSIPATED.

.HIGH 36N174E 1018 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 44N165W 1018 MB.

.FORECASTER PROSISE. 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 WED AUG 20.
24 HOUR FORECAST VALID 0000 UTC THU AUG 21.
48 HOUR FORECAST VALID 0000 UTC FRI AUG 22.

...TROPICAL STORM WARNING...
.TROPICAL STORM KARINA NEAR 15.9N 135.3W 1000 MB AT 0300 UTC AUG
20 MOVING W OR 275 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE
QUADRANT...50 NM SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE...60
NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 17 FT.
ELSEWHERE WITHIN 210 NM N AND 120 NM S SEMICIRCLES WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 240 NM N AND
360 NM S SEMICIRCLES WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN A
BROAD MIX OF SWELL.
.24 HOUR FORECAST TROPICAL STORM KARINA NEAR 16.0N 136.2W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM OF CENTER...EXCEPT
60 NM SE QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 180 NM N
AND 240 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA FROM 11N TO 19N 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 15.6N 135.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM OF CENTER EXCEPT 40 NM SW QUADRANT. SEAS 12
FT OR GREATER WITHIN 120 NM OF CENTER WITH SEAS TO 18 FT.
ELSEWHERE WITHIN 180 NM OF CENTER...EXCEPT 300 NM SE QUADRANT
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 09N
TO 20N 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 16.7N 134.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION KARINA NEAR 19.5N 130.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW KARINA NEAR 24.0N
128.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM LOWELL NEAR 18.7N 120.7W 996 MB AT 0300 UTC AUG
20 MOVING NW OR 315 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 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 240 NM NE
QUADRANT...300 NM SE QUADRANT...180 NM SW QUADRANT...AND 210 NM
NW QUADRANT WITH SEAS TO 20 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 10N TO 24N BETWEEN 111W AND 127W WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN A BROAD MIX OF SWELL.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 19.6N 121.4W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. LITTLE CHANGE IN
RADIUS OF TROPICAL STORM FORCE WINDS. SEAS 12 FT OR GREATER
WITHIN 300 NM N AND 390 NM S SEMICIRCLES WITH SEAS TO 23 FT.
ELSEWHERE WITHIN 360 NM N AND 420 NM S SEMICIRCLES WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 26N
BETWEEN 111W 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 21.5N 122.9W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM NE AND SW QUADRANTS...90 NM NW QUADRANT AND
180 NM SE QUADRANT. SEAS 12 FT OR GREATER 300 NM OF
CENTER...EXCEPT 420 NM SE QUADRANT WITH SEAS TO 26 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 08N TO 28N
BETWEEN 110W AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN A
BROAD MIX OF SWELL.
.72 HOUR FORECAST TROPICAL STORM LOWELL NEAR 24.0N 125.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION LOWELL NEAR 26.0N 128.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW LOWELL NEAR 28.0N
131.0W. 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.

.06 HOUR FORECAST FROM 10.5N TO 12.5N E OF 90W...INCLUDING THE
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
09N95W 1008 MB. FROM 11N TO 14N BETWEEN 90W AND 94W E TO SE
WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
10N98W 1006 MB. FROM 10N TO 14N BETWEEN 92W AND 99W E TO SE
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.18 HOUR FORECAST 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 S OF A LINE FROM 00N120W TO 03.4S100W WINDS 20
KT OR LESS. SEAS 8 FT IN MIXED SE AND SW SWELL.

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

CONVECTION VALID 0215 UTC WED AUG 20...

.TROPICAL STORM KARINA...SCATTERED MODERATE TO STRONG WITHIN 90
NM N...AND 120 NM S AND W QUADRANTS.

.TROPICAL STORM LOWELL...SCATTERED MODERATE ISOLATED STRONG
WITHIN 210 NM E SEMICIRCLE...240 NM SW AND 90 NM NW QUADRANTS.
SCATTERED MODERATE BETWEEN 150 AND 240 NM E...AND ELSEWHERE
BETWEEN 240 AND 420 NM SE QUADRANTS.

.LOW PRES NEAR 08N93W...SCATTERED MODERATE ISOLATED STRONG
WITHIN 240 NM S SEMICIRCLE...AND ELSEWHERE WITHIN 300 NM W
QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 06N77W TO LOW PRES NEAR
08N93W TO 12N112W. NO ITCZ AXIS E OF 140W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 120 NM S OF AXIS BETWEEN 82W AND 90W...
FROM 05N TO 10N BETWEEN 100W AND 104W...FROM 09N TO 12N BETWEEN
105W AND 110W...FROM 12N TO 16N BETWEEN 103W AND 106W...AND FROM
15N TO 18N BETWEEN 108W AND 110W. SCATTERED MODERATE FROM 07N TO
10N W OF 136W.

$$
.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.