000
FZPN03 KNHC 191548
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON MAR 19.
24 HOUR FORECAST VALID 1200 UTC TUE MAR 20.
48 HOUR FORECAST VALID 1200 UTC WED MAR 21.

.WARNINGS.

...GALE WARNING...
.WEAKENING COLD FRONT FROM 30N134W TO 22N140W. SECOND COLD FRONT 
APPROACHING FAR NW CORNER. N OF 25N WITHIN 300 NM E OF FRONT S 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF 29N E OF THE FRONT W 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.  
.12 HOUR FORECAST FIRST COLD FRONT FROM 30N129W TO 21N140W. 
SECOND COLD FRONT FROM 30N138W TO 29N140W. N OF 25N WITHIN 180 
NM E OF FIRST FRONT S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
N OF 26N WITHIN 165 NM E OF SECOND FRONT SW WINDS 20 TO 25 KT. 
SEAS 8 TO 12 FT. 
.24 HOUR FORECAST FIRST COLD FRONT FROM 30N130W TO 22N140W. 
SECOND COLD FRONT FROM 30N137W TO 29N140W. N OF 27N WITHIN 210 
NM E OF FIRST FRONT S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
N OF 25N WITHIN 210 NM E OF SECOND FRONT SW WINDS 20 TO 30 KT. 
SEAS 9 TO 16 FT IN NW SWELL. W OF SECOND FRONT SW TO W WINDS 25 
TO 35 KT. SEAS 16 TO 20 FT IN NW SWELL. ELSEWHERE W OF LINE FROM 
30N131W TO 23N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED 
SW AND NW SWELL.
.30 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 30N128W TO 
21N140W. SECOND COLD FRONT FROM 30N135W TO 27N140W. N OF 27N 
BETWEEN 124W AND 129W SW WINDS 20 KT OR LESS. SEAS TO 9 FT. N OF 
25N WITHIN 180 NM E OF COLD FRONT SW WINDS 20 TO 30 KT. SEAS 12 
TO 18 FT IN NW SWELL. ELSEWHERE N OF 25N W OF FRONT W WINDS 20 
TO 30 KT. SEAS TO 18 FT. REMAINDER WATERS W OF LINE FROM 30N130W 
TO 21N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.36 HOUR FORECAST FRONTAL TROUGH FROM 30N128W TO 24N134W. COLD 
FRONT FROM 30N134W TO 27N140W. N OF 28N BETWEEN 124W AND 128W 
WINDS 20 KT OR LESS. SEAS TO 8 FT. N OF 29N W OF FRONT W WINDS 
20 TO 25 KT. SEAS 12 TO 16 FT. ELSEWHERE W OF LINE FROM 30N129W 
TO 20N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN NW 
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N131W TO 28N134W. W OF LINE 
FROM 30N126W TO 17N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
PRIMARILY IN NW SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO 
10N88W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.12 HOUR FORECAST FROM 19N TO 20N BETWEEN 105W AND 107W NW TO N 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA 36 HOUR FORECAST S OF 24N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST 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 1545 UTC MON MAR 19...

.SCATTERED MODERATE WITHIN 30 NM OF 09N108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH AXIS EXTENDS FROM 08N82W TO 04N90W TO 06N102W.
ITCZ AXIS EXTENDS FROM 06N102W TO 06N120W TO 06N140W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN FROM 04N TO 09N BETWEEN 107W AND 
124 W AND WITHIN 165 NM S OF TROUGH E OF 94W.

$$
.FORECASTER NR. NATIONAL HURRICANE CENTER.