000
FZPN03 KNHC 192032
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON MAR 19.
24 HOUR FORECAST VALID 1800 UTC TUE MAR 20.
48 HOUR FORECAST VALID 1800 UTC WED MAR 21.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N131W TO 21N140W. SECOND COLD FRONT 
APPROACHING FAR NW CORNER. N OF 24N WITHIN 240 NM E OF FIRST 
FRONT S WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. AHEAD OF SECOND COLD 
FRONT W OF A LINE FROM 30N137W TO 28N140W SW WINDS 20 TO 30 KT. 
SEAS 10 TO 11 FT. ELSEWHERE N OF 24N W OF 126W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SW AND NW SWELL.
.15 HOUR FORECAST FIRST COLD FRONT FROM 30N129W TO 24N134W. 
SECOND COLD FRONT FROM 30N137W TO 27N140W. N OF 26N WITHIN 250 
NM E OF FIRST FRONT S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. W 
OF A LINE FROM 30N138W TO 28N140W SW WINDS 30 TO 35 KT. SEAS 15 
TO 16 FT. ELSEWHERE N OF 25N W OF A LINE FROM 30N134W TO 25N140W 
SW WINDS 20 TO 30 KT. SEAS 9 TO 15 FT IN NW SWELL. REMAINDER 
AREA W OF LINE FROM 30N130W TO 23N140W WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT IN MIXED SW AND NW SWELL.
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 30N129W TO 
21N140W. SECOND COLD FRONT FROM 30N137W TO 28N140W. N OF 27N 
WITHIN 240 NM E OF FIRST COLD FRONT SW WINDS 20 TO 25 KT. SEAS 
TO 9 FT. N OF 25N WITHIN 210 NM E OF SECOND COLD FRONT SW WINDS 
20 TO 30 KT. SEAS 12 TO 18 FT IN NW SWELL. ELSEWHERE W OF LINE 
FROM 30N131W TO 22N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
NW SWELL.
.30 HOUR FORECAST FRONTAL TROUGH FROM 30N127W TO 27N130W. COLD 
FRONT FROM 30N133W TO 28N140W. W OF LINE FROM 30N125W TO 20N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 16 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST DISSIPATING COLD FRONT 30N128W TO 20N136W. W 
OF LINE FROM 30N125W TO 15N140W WINDS 20 KT OR LESS. SEAS 8 TO 
14 FT PRIMARILY IN NW SWELL...HIGHEST IN NW CORNER.

.SYNOPSIS AND FORECAST.

.36 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 96W...INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 30 NM FROM A LINE FROM 16N95W TO 
14N95.5W TO 12.5N97W...INCLUDING THE GULF OF TEHUANTEPEC...N 
WINDS 20 TO 25 KT. SEAS TO 10 FT.   

.36 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.06 HOUR FORECAST FROM 19N TO 21N 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 06 HOUR FORECAST S OF 24N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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 2030 UTC MON MAR 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH AXIS EXTENDS FROM 08N83W TO 04N90W TO 05N103W.
ITCZ AXIS EXTENDS FROM 05N103W TO 06N120W TO 06N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 05N TO 09N BETWEEN 108W AND 125W. 

$$
.FORECASTER NR. NATIONAL HURRICANE CENTER.