320 
FZPN03 KNHC 171506
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC MON SEP 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC MON SEP 17.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 18.
48 HOUR FORECAST VALID 1200 UTC WED SEP 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.REMNANT TROUGH OF PAUL W OF AREA FROM 17N142W TO 25N142W. 
WITHIN AREA BOUNDED BY 26N140W TO 22N134W TO 16N134W TO 21N140W 
TO 26N140W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.  
.24 HOUR FORECAST W OF LINE FROM 23N140W TO 20N135W TO 15N140W 
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST W OF LINE FROM 22N140W TO 18N132W TO 13N136W 
NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.LOW PRES 1007 MB NEAR 16N118W. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT.
.12 HOUR FORECAST LOW PRES 1006 MB NEAR 16N120W. NW QUADRANT 
WITHIN 330 NM N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES 1006 MB NEAR 15N122W. N SEMICIRCLE 
WITHIN 270 NM NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES 1006 MB NEAR 14.5N126W. NW SEMICIRCLE 
WITHIN 300 NM NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.WITHIN 90 NM OF LINE FROM 15N109W TO 09N117W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN S SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST S OF 02S AND W OF 115W WINDS 20 KT OR LESS. 
SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST S OF 01S AND W OF 105W WINDS 20 KT OR LESS. 
SEAS 8 FT IN SW SWELL.

.42 HOUR FORECAST GULF OF CALIFORNIA N OF29.5N AND E OF 113.5W S 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 29.5N S WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST N OF 28N BETWEEN 118W AND 123W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N TO NW SWELL.

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

CONVECTION VALID AT 1415 UTC MON SEP 17...

.SCATTERED MODERATE ISOLATED STRONG FROM 22N TO 27N BETWEEN 107W 
AND 111W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N73W TO 09N93W TO 18N111W TO LOW PRES 1007 
MB NEAR 16N118W TO BEYOND 09N140W. NUMEROUS MODERATE SCATTERED 
STRONG WITHIN 90 NM OF 15N121W. SCATTERED MODERATE ISOLATED 
STRONG ELSEWHERE WITHIN 240 NM EITHER SIDE OF A LINE FROM 
20N106W TO 14N122W. SCATTERED MODERATE ISOLATED STRONG WITHIN 90 
NM EITHER SIDE OF A LINE FROM 08N83W TO 08N101W TO 11N104W AND 
WITHIN 150 NM OF THE MONSOON TROUGH AXIS W OF 135W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.