038 
FZPN03 KNHC 190854
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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 19.
24 HOUR FORECAST VALID 0600 UTC MON AUG 20.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.HURRICANE LANE W OF AREA NEAR 12.9N 142.3W 956 MB AT 0900 UTC 
AUG 19 MOVING W OR 280 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 110 
KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS W OF FORECAST WATERS 
WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN 260 NM NE QUADRANT...170 NM SE 
QUADRANT...160 NM SW QUADRANT...AND 220 NM NW QUADRANT WITH SEAS 
TO 41 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 180 NM N AND 120 
NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 16 FT. REMAINDER 
OF AREA W OF LINE FROM 20N137W TO 17N133W TO 09N138W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE LANE W OF AREA NEAR 13.5N 146.0W. 
MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM 
FORCE WINDS WITHIN 100 NM NE QUADRANT...70 NM SE QUADRANT...45 
NM SW QUADRANT...AND 90 NM NW QUADRANT. TROPICAL STORM FORCE 
WINDS AND 12 FOOT SEAS W OF AREA. OVER FORECAST WATERS FROM 18N 
TO 20N W OF 139W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LANE W OF AREA NEAR 13.9N 149.7W. 
MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. OVER FORECAST WATERS 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0815 UTC SUN AUG 19...

.HURRICANE LANE...SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 
15N W OF 138W.

.TROPICAL WAVE FROM 08N82W TO 20N83W...SCATTERED MODERATE 
ISOLATED STRONG FROM 03N TO 10N E OF 86W.

.TROPICAL WAVE FROM 06N107W TO 17N107W...SCATTERED MODERATE 
ISOLATED STRONG FROM 18N TO 22N BETWEEN 104W AND 107W AND FROM 
06N TO 08N BETWEEN 100W AND 110W.

.TROPICAL WAVE FROM 07N124W TO 17N122W...SCATTERED MODERATE 
ISOLATED STRONG FROM 10N TO 17N BETWEEN 120W AND 124W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N76W TO 09N88W TO 08N103W TO 08N110W TO 
LOW PRES 1009 MB NEAR 12N118W TO 10N122W. ITCZ RESUMES FROM 
10N125W TO 09N131W TO 11N137W. SCATTERED MODERATE ISOLATED 
STRONG FROM 05N TO 11N BETWEEN 93W AND 97W AND FROM 12N TO 17N 
BETWEEN 115W AND 120W. 

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.