000
FZPN03 KNHC 172102
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.06 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10N88W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.GULF OF CALIFORNIA 06 HOUR FORECAST COLD FRONT FROM 32N115W TO
29N115W. FROM 29.5N TO 31N SW WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.12 HOUR FORECAST COLD FRONT FROM 31N113W TO 29N114W. GULF OF
CALIFORNIA N OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
N OF 29N SE OF FRONT SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST FROM 21N TO 22N BETWEEN 110W AND 112W NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FOFORECAST LITTLE CHANGE.
.30 HOUR FORECAST FROM 18N TO 21N BETWEEN 105W AND 108W NW WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.18 HOUR FORECAST COLD FRONT APPROACH 30N140W. N OF 26N W OF 
136W S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST COLD FRONT FROM 30N138W TO 27N140W. N OF 25.5N 
WITHIN 240 NM E OF FRONT S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT.
.36 HOUR FORECAST FIRST COLD FRONT FROM 30N136W TO 25N140W... 
SECOND COLD FRONT APPROACH 30N140W. N OF 26.5N WITHIN 270 NM E 
OF FIRST COLD FRONT S TO SW WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FIRST COLD FRONT FROM 30N133W TO 22N140W... 
SECOND COLD FRONT FROM 30N139W TO 29N140W. N OF 26.5N WITHIN 300 
NM E OF FIRST COLD FRONT S TO SW WINDS 20 TO 25 KT. SEAS TO 11 
FT. N OF 28N W OF 138W SW TO W WINDS 20 TO 25 KT. SEAS 9 TO 12 
FT.

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

CONVECTION VALID AT 2100 UTC SAT MAR 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 04N77W TO 06N90W TO 06N108W. ITCZ AXIS FROM 
05N108W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
120 NM OF LINE FROM 08N83W TO 02N92W AND WITHIN 90 NM OF LINE 
FROM 06N99W TO 06N111W. 

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.