000
FZPN03 KNHC 180900
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE APR 18 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE APR 18.
24 HOUR FORECAST VALID 0600 UTC WED APR 19.
48 HOUR FORECAST VALID 0600 UTC THU APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAKENING STATIONARY FRONT FROM 30N127W TO 28N129W TO 25N134W 
TO 22N138W. W OF LINE FROM 30N137W TO 28N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. NEW COLD FRONT APPROACH 
30N140W. W OF LINE FROM 30N130W TO 26N134W TO 22N140W WINDS 20 
KT OR LESS. SEAS 8 TO 13 FT PRIMARILY IN NW SWELL...HIGHEST NEAR 
30N140W.
.36 HOUR FORECAST WEAKENING COLD FRONT FROM 30N137W TO 29N140W. 
W OF FRONT WINDS 20 KT OR LESS. SEAS 12 TO 14 FT PRIMARILY IN NW 
SWELL. ELSEWHERE W OF LINE FROM 30N126W TO 24N132W TO 19N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. W OF LINE FROM 30N121W 
TO 21N127W TO 15N135W TO 13N140W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT PRIMARILY IN NW SWELL.

.N OF 28.5N E OF 116.5W NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT. 
.24 HOUR FORECAST N OF 26N E OF 116.5W NW WINDS 20 TO 25 KT. 
SEAS TO 8 FT.
.48 HOUR FORECAST N OF 24N E OF 118W NW TO N WINDS 20 TO 25 KT. 
SEAS TO 9 FT. AREA BOUNDED BY 24N115W TO 21N118W TO 21N121W TO 
24N118W TO 24N115W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.

.12 HOUR FORECAST S OF 01S W OF 118W WINDS 20 KT OR LESS. SEAS 
8 FT IN SW SWELL.
.24 HOUR FORECAST S OF LINE FROM 00N120W TO 03.4S110W WINDS 20 
KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST FROM 08N TO 11N BETWEEN 120W AND 128W WINDS 20 
KT OR LESS. SEAS 8 FT IN MIXED S AND NW SWELL.
.48 HOUR FORECAST FROM 07N TO 11N BETWEEN 120W AND 130W WINDS 20 
KT OR LESS. SEAS 8 FT IN MIXED S AND NW SWELL.

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

CONVECTION VALID AT 0900 UTC TUE APR 18...

.TROUGH FROM 02S87W TO 04.5S101W TO 03.4S108W TO 00.5S113W. 
SCATTERED MODERATE ISOLATED STRONG FROM 00N TO 03.4S BETWEEN 
102W AND 109W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 06N79W TO 03N85W TO 05N92W TO 05N101W. ITCZ FROM 
07N111W TO 07N120W TO 03N136W. SCATTERED MODERATE ISOLATED 
STRONG FROM 02N TO 06N BETWEEN 89W AND 96W...FROM 03N TO 05N 
BETWEEN 100W AND 102W...WITHIN 120 NM EITHER SIDE OF LINE FROM 
06N112W TO 09N122W AND FROM 03N TO 06N BETWEEN 127W AND 133W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.