928 
FZPN03 KNHC 301546
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU AUG 30 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU AUG 30.
24 HOUR FORECAST VALID 1200 UTC FRI AUG 31.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 01.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE NORMAN NEAR 17.8N 118.0W 937 MB AT 1500 UTC AUG 30 
MOVING W OR 270 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 130 KT 
GUSTS 160 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM OF CENTER 
EXCEPT 60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N 
SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 42 FT. ELSEWHERE 
WITHIN 180 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 210 NM OF 
CENTER WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. FROM 
12N TO 15N BETWEEN 113W AND 120W SW WINDS 20 TO 25 KT. SEAS TO 
10 FT. 
.24 HOUR FORECAST HURRICANE NORMAN NEAR 17.2N 120.7W. MAXIMUM 
SUSTAINED WINDS 135 KT GUSTS 165 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM OF CENTER EXCEPT 70 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 120 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WITH 
SEAS TO 45 FT. ELSEWHERE WITHIN 210 NM OF CENTER WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 12N TO 21N BETWEEN 
117W AND 125W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE NORMAN NEAR 16.1N 124.1W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER...WITH SEAS 
TO 37 FT. ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 21N BETWEEN 118W 
AND 129W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE NORMAN NEAR 16.7N 128.0W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE NORMAN NEAR 18.5N 133.2W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST HURRICANE NORMAN NEAR 20.2N 138.5W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.

...HURRICANE WARNING...
.HURRICANE MIRIAM NEAR 15.3N 141.6W 985 MB AT 1500 UTC AUG 30 
MOVING NW OR 315 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 70 KT 
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE 
QUADRANT...60 NM SE QUADRANT...30 NM SW QUADRANT...AND 65 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 130 NM NE QUADRANT...90 
NM SE QUADRANT...100 NM SW QUADRANT...AND 150 NM NW QUADRANT 
WITH SEAS TO 21 FT. ELSEWHERE OVER FORECAST WATERS FROM 12N TO 
19N W OF 138W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST HURRICANE MIRIAM NEAR 17.9N 141.7W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 85 NM NE QUADRANT...70 NM SE QUADRANT...35 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER W OF 
AREA. OVER FORECAST WATERS FROM 15N TO 21N W OF 139W WINDS 20 TO 
30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 21.2N 142.3W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 55 NM NE QUADRANT...35 NM SE QUADRANT...15 NM SW 
QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER W OF 
AREA. OVER FORECAST WATERS FROM 19N TO 25N W OF 139W E TO SE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.  
.72 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 24.2N 144.7W.
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 MIRIAM NEAR 26.5N 
148.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 28.0N 
152.0W. 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.

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

CONVECTION VALID AT 1500 UTC THU AUG 30...

.HURRICANE NORMAN...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF 
CENTER. SCATTERED MODERATE ELSEWHERE WITHIN 180 NM N 
SEMICIRCLE AND 270 NM S SEMICIRCLE.

.HURRICANE MIRIAM...NUMEROUS MODERATE ISOLATED STRONG FROM 12N 
TO 19N W OF 138W. 

.TROPICAL WAVE WITH AXIS FROM 06N93W TO 20N94W...SCATTERED 
MODERATE WITHIN 90 NM OF WAVE AXIS S OF 15N. 

.TROPICAL WAVE WITH AXIS FROM 05N108W TO 17N108W...SCATTERED 
MODERATE FROM 10N TO 16N BETWEEN 105W AND 109W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 10N93W TO 14N111W...RESUMES W OF 
NORMAN NEAR 15N123W TO 14N137W. SCATTERED MODERATE ISOLATED 
STRONG FROM 05N TO 10N BETWEEN 83W AND 92W...FROM 07N TO 17N 
BETWEEN 96W AND 105W...AND FROM 07N TO 11N BETWEEN 132W AND 
139W. 

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.