000
FZPN03 KNHC 212106
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI APR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI APR 21.
24 HOUR FORECAST VALID 1800 UTC SAT APR 22.
48 HOUR FORECAST VALID 1800 UTC SUN APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.W OF LINE FROM 23N110W TO 07N123W TO 07N140W AND SE OF LINE 
FROM 30N125W TO 17N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
NW SWELL.
.24 HOUR FORECAST N OF 18N BETWEEN 110W AND 122W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NW SWELL. FROM 06N TO 16N W OF 118W WINDS 
20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.COLD FRONT FROM 30N138W TO 29N140W. N OF 29N WITHIN 120 NM E OF 
FRONT S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. NW OF FRONT 
WINDS 20 KT OR LESS. SEAS 10 FT IN NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N130W TO 25N140W. 
W OF LINE FROM 30N130W TO 18N140W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN NW SWELL...HIGHEST SEAS FAR NW.
.48 HOUR FORECAST FRONT DISSIPATED. W OF LINE FROM 30N118W TO 
18N130W TO 09N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.

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

CONVECTION VALID AT 2100 UTC FRI APR 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 07N83W TO 06N90W TO 05N100W. ITCZ FROM 07N116W TO 
05N130W TO 04N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
120 NM EITHER SIDE OF ITCZ BETWEEN 118W AND 138W. SCATTERED 
MODERATE WITHIN 120-180 NM EITHER SIDE OF TROUGH BETWEEN 85W AND 
99W.   

$$
.FORECASTER COBB. NATIONAL HURRICANE CENTER.