000
FZPN03 KNHC 280912
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED SEP 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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 WED SEP 28.
24 HOUR FORECAST VALID 0600 UTC THU SEP 29.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 30.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE ULIKA NEAR 13.9N 139.0W 992 MB AT 0900 UTC SEP 28
MOVING NNE OR 030 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER
EXCEPT 40 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM E
AND 90 NM W SEMICIRCLES WITH SEAS TO 21 FT. OVER FORECAST WATERS
ELSEWHERE WITHIN 90 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11
FT. REMAINDER OF FORECAST WATERS WITHIN 150 NM OF CENTER WINDS
20 KT OR LESS. SEAS TO 10 PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ULIKA NEAR 15.6N 139.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM E SEMICIRCLE...30 NM SW AND 40 NM NW QUADRANTS.
SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER WITH SEAS TO 23 FT.
OVER FORECAST WATERS ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20
TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF FORECAST WATERS WITHIN
240 NM N AND 150 NM S SEMICIRCLES OF CENTER WINDS 20 KT OR LESS.
SEAS TO 11 PRIMARILY IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ULIKA NEAR 17.0N 140.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE AND 30 NM SW
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER WITH
SEAS TO 18 FT. OVER FORECAST WATERS ELSEWHERE WITHIN 90 NM OF
CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF FORECAST
WATERS WITHIN 180 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 11
PRIMARILY IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM ULIKA NEAR 17.7N 143.3W.
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 ULIKA NEAR 17.7N
147.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...

.TROPICAL STORM ROSLYN NEAR 20.2N 115.5W 1005 MB AT 0900 UTC SEP
28 MOVING NNE OR 025 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM SE
QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM OF CENTER EXCEPT 30
NM SW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM N AND
90 NM S SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12
FT. REMAINDER AREA WITHIN 180 NM N AND 120 NM S SEMICIRCLES OF
CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED
SWELL.
.12 HOUR FORECAST TROPICAL DEPRESSION ROSLYN NEAR 21.2N 115.6W.
WINDS 20 TO 30 KT WITHIN GUSTS 40 KT WITHIN 75 NM OF CENTER.
SEAS TO 10 FT.
.24 HOUR FORECAST POST TROPICAL REMNANT LOW ROSLYN NEAR 22.2N
116.2W. WINDS 20 25 KT WITHIN 30 NM OF CENTER. SEAS TO 8 FT.
.48 HOUR FORECAST POST TROPICAL REMNANT LOW ROSLYN NEAR 23.2N
117.8W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST...DISSIPATED.

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.

.S OF 01S BETWEEN 102W AND 112W WINDS 20 KT OR LESS. SEAS TO 8
FT IN SW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST GULF OF TEHUANTEPEC N WINDS 20 TO 25 KT. SEAS
TO 8 FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 13N95.5W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 10 FT.

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

CONVECTION VALID AT 0900 UTC WED SEP 28...

.HURRICANE ULIKA...SCATTERED STRONG WITHIN 60 NM OF CENTER.
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 180 NM SE
QUADRANT. 

.TROPICAL STORM ROSLYN...SCATTERED MODERATE WITHIN 90 NM OF
LINE FROM 22N114W TO 24N114W.

.SCATTERED MODERATE ISOLATED STRONG N OF 11N BETWEEN 93W AND
98W...INCLUDING THE GULF OF TEHUANTEPEC.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 11N105W TO 05N118W...RESUMES FROM
13N117W TO 13N136W. ISOLATED MODERATE AND STRONG WITHIN 150 NM
OF LINE FROM 04N77W TO 09N102W TO 07N118W...AND WITHIN 75 NM OF
LINE FROM 12N126W TO 15N132W.

$$ 
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.