High Seas Forecast
Issued by NWS

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679
FZPN03 KNHC 251021 AAA
HSFEP2

HIGH SEAS FORECAST...AMENDED
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU AUG 25 2016

AMENDED TO INCLUDE OTHER AREAS OF WIND AND SEAS

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 0600 UTC THU AUG 25.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 26.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 27.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LESTER NEAR 16.2N 111.6W 1005 MB AT 0900 UTC AUG
25 MOVING WNW OR 295 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS TO 12 FT WITHIN 30 NM N
SEMICIRCLE. WITHIN 60 NM N SEMICIRCLE AND 45 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT IN MIXED E AND SW SWELL.
.24 HOUR FORECAST TROPICAL STORM LESTER NEAR 17.2N 114.4W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
60 NM W SEMICIRCLE AND 45 NM E SEMICIRCLE WITH SEAS TO 20 FT.
ELSEWHERE WITHIN 120 NM W SEMICIRCLE AND 90 NM E SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST HURRICANE LESTER NEAR 17.6N 117.3W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
120 NM W SEMICIRCLE AND 90 NM E SEMICIRCLE WITH SEAS TO 25 FT.
ELSEWHERE WITHIN 120 NM WINDS 20 TO 33 KT. SEAS 11 TO 13 FT.
REMAINDER AREA WITHIN 300 NM SW SEMICIRCLE AND 240 NM NE
SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LESTER NEAR 17.7N 121.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LESTER NEAR 17.9N 125.8W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE LESTER NEAR 18.0N 130.4W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 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.

.POST-TROPICAL CYCLONE KAY NEAR 24N127W 1018 MB. WITHIN 120 NM
NW SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED E AND
NE SWELL.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY DISSIPATED.
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 12N126W 1008 MB MOVING W 10 KT. WITHIN 360 NM NW
QUADRANT AND E SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN MIXED S AND SW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 12N133W 1007 MB. FROM 13N TO 17N
BETWEEN 130W AND 138W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13N136W 1005 MB. WITHIN 180 NM SE QUADRANT S TO SW WINDS 20 TO
25 KT. WITHIN 300 NM SE SEMICIRCLE SEAS 8 TO 9 FT.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 16.5N95W TO 14.5N95.5W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.
SEAS TO 9 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.

.18 HOUR FORECAST FROM 04N TO 05N BETWEEN 97W AND 99W WINDS
20 KT OR LESS. SEAS 8 FT IN MIXED SE AND SW SWELL.
.24 HOUR FORECAST FROM 04N TO 07N BETWEEN 94W AND 100W WINDS
20 KT OR LESS. SEAS 8 FT IN MIXED SE AND SW SWELL.
.45 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST S OF 02S BETWEEN 104W AND 115W WINDS 20 KT OR
LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF 02S BETWEEN 92W AND 114W WINDS 20 KT OR
LESS. SEAS 8 FT IN MIXED SWELL.

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

CONVECTION VALID AT 0830 UTC THU AUG 25...

.TROPICAL STORM LESTER...NUMEROUS STRONG WITHIN 60 NM NW
SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG WITHIN 75 NM SE
SEMICIRCLE...AND FROM 120 NM TO 180 NM NE QUADRANT.

.LOW PRESSURE NEAR 12N126W...SCATTERED STRONG WITHIN 240 NM
NW SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N85W TO 07N97W TO 11N107W.
NUMEROUS STRONG FROM 05N TO 08N BETWEEN 81W AND 83W...AND 120 NM
S OF MONSOON TROUGH BETWEEN 97W AND 100W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 90 NM S OF MONSOON TROUGH BETWEEN 84W AND
86W...AND WITHIN 180 NM S OF MONSOON TROUGH BETWEEN 102W AND
106W.

$$
.FORECASTER MT. NATIONAL HURRICANE CENTER.



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