893 
FZPN03 KNHC 172044
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI AUG 17.
24 HOUR FORECAST VALID 1800 UTC SAT AUG 18.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 19.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LANE NEAR 11.5N 134.1W 973 MB AT 2100 UTC AUG 17 
MOVING W OR 275 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 95 KT 
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE 
QUADRANT...70 NM SE QUADRANT...40 NM SW QUADRANT...AND 60 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 60 NM S SEMICIRCLE...120 
NM NE QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 32 FT. 
ELSEWHERE WITHIN 150 NM OF CENTER EXCEPT 90 NM SW QUADRANT WINDS 
20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 08N TO 17N 
BETWEEN 128W AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.24 HOUR FORECAST HURRICANE LANE NEAR 12.2N 139.3W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...100 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM N AND 60 NM S SEMICIRCLES WITH WITH SEAS TO 36 FT. 
ELSEWHERE FROM 10N TO 16N W OF 136W WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. REMAINDER OF AREA FROM 08N TO 19N W OF 132W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LANE NEAR 13.5N 144.1W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 70 NM 
SW QUADRANT. OVER FORECAST WATERS FROM 11N TO 21N W OF 135W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LANE NEAR 14.4N 148.3W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LANE NEAR 14.9N 152.3W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE LANE NEAR 15.3N 156.2W. 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.

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

CONVECTION VALID AT 2100 UTC THU AUG 16...

.HURRICANE LANE...NUMEROUS MODERATE TO STRONG WITHIN 120 NM 
OF CENTER.

.TROPICAL WAVE AXIS NEAR 100W N OF 05N...SCATTERED MODERATE TO 
STRONG FROM 11N TO 16N BETWEEN 96W AND 106W.

.TROPICAL WAVE AXIS NEAR 115N FROM 05N TO 15N...SCATTERED 
MODERATE ISOLATED STRONG FROM 09N TO 15N BETWEEN 107W AND 120W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 10N90W TO 09N98W TO 11N108W TO 
10N115W TO 12N121W. SCATTERED MODERATE ISOLATED STRONG FROM 03N 
TO 07N E OF 80W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.