High Seas Forecast
Issued by NWS

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
FZPN03 KNHC 280929
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN AUG 28 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC SUN AUG 28.
24 HOUR FORECAST VALID 0600 UTC MON AUG 29.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 30.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LESTER NEAR 17.9N 122.2W 978 MB AT 0900 UTC AUG 28
MOVING W OR 270 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 85 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE
QUADRANT...70 NM SE QUADRANT...50 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM S SEMICIRCLE...180
NM NE QUADRANT AND 150 NM NW QUADRANT WITH SEAS TO 32 FT.
ELSEWHERE WITHIN 180 NM NE QUADRANT...120 NM S SEMICIRCLE...AND
210 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
OF AREA FROM 13N TO 23N BETWEEN 116W AND 125W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE LESTER NEAR 18.1N 126.9W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM OF CENTER...EXCEPT 150 NM SE QUADRANT WITH SEAS TO 33 FT.
ELSEWHERE WITHIN 240 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 12N
TO 25N BETWEEN 120W AND 134W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LESTER NEAR 18.4N 132.3W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS
TO 34 FT. ELSEWHERE WITHIN 240 NM N SEMICIRCLE AND 120 NM S
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
FROM 12N TO 27N W OF 125W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LESTER NEAR 18.4N 137.4W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LESTER NEAR 18.6N 142.2W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE LESTER NEAR 19.4N 147.1W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 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.

.TROPICAL STORM MADELINE WEST OF AREA NEAR 16.1N 140.6W 998 MB
AT 0900 UTC AUG 28 MOVING NW OR 305 DEG AT 7 KT. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. OVER FORECAST WATERS FROM 14N
TO 17N W OF 138W WINDS 20 TO 30 KT. SEAS 10 TO 16 FT IN MIXED
SWELL. FROM 11N TO 14N BETWEEN 136W AND 139W SW WINDS 20 TO 25
KT. SEAS 8 TO 10 FT. ELSEWHERE 11N TO 21N W OF 133W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 18N TO 21N W OF 138W E TO SE WINDS 20 TO
25 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 17N TO 28N W OF 136W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH HURRICANE LESTER.

.FROM 10N TO 13N BETWEEN 115W AND 120W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED SWELL. FROM 08N TO 10N BETWEEN 107W AND 111W
WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.24 HOUR FORECAST FROM 09N TO 12N BETWEEN 120W AND 130W SW WINDS
20 TO 25 KT. SEAS 8 TO 10 FT. FROM 08N TO 11N BETWEEN 110W AND
120W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FROM 10N TO 12.5N BETWEEN 110W AND 116W SW TO
W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 08N TO 10N BETWEEN
97W AND 103W SW TO W WINDS 20 TO 25 KT. SEAS 8 FT.

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

CONVECTION VALID AT 0900 UTC SUN AUG 28...

.HURRICANE LESTER...NUMEROUS MODERATE SCATTERED STRONG WITHIN
75 NM OF CENTER. SCATTERED MODERATE ELSEWHERE WITHIN 90 NM OF
CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N90W TO 12N102W TO LOW PRESSURE NEAR
10.5N111W TO 12N114W. SCATTERED MODERATE ISOLATED STRONG IS FROM
09N TO 13N BETWEEN 111W AND 116W. SCATTERED MODERATE CAN BE
FOUND FROM 10N TO 12.5N BETWEEN 105W AND 108W.

$$
.FORECASTER GR. 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.