000
FZPN03 KNHC 172109
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON APR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON APR 17.
24 HOUR FORECAST VALID 1800 UTC TUE APR 18.
48 HOUR FORECAST VALID 1800 UTC WED APR 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONTAL TROUGH FROM 30N130W TO 24N140W. W OF LINE FROM 30N139W 
TO 29N140W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW SWELL.
.24 HOUR FORECAST TROUGH DISSIPATED. W OF LINE FROM 30N134W TO 
26N140W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N137W TO 29N140W. W OF LINE 
FROM 30N126W TO 18N140W WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT 
PRIMARILY IN NW SWELL...HIGHEST SEAS AT 30N140W.

.12 HOUR FORECAST N OF 28.5N E OF 116W NW WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST N OF 25N E OF 118W NW WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST SW OF LINE FROM 01S120W TO 03.4S116W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF LINE FROM 01S120W TO 01S109W TO 03.4S103W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.

.42 HOUR FORECAST FROM 09N TO 11N BETWEEN 120W AND 127W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN MIXED S AND NW SWELL.
.48 HOUR FORECAST FROM 08N TO 12N BETWEEN 119W AND 132W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN MIXED S AND NW SWELL.

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

CONVECTION VALID AT 2100 UTC MON APR 17...

.TROUGH EXTENDS FROM 05N77W TO 03S90W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 75 NM OF 05N78W AND 03S88W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 09N82W TO 05N95W TO 05N99W. ITCZ FROM 05N99W TO 
08N111W TO 04N124W TO 05N140W. SCATTERED STRONG WITHIN 120 NM OF 
LINE FROM 08N81W TO 05N88W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 240 NM OF LINE FROM 09N104W TO 05N125W. 

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.