000
FZPN03 KNHC 181510
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN MAR 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN MAR 18.
24 HOUR FORECAST VALID 1200 UTC MON MAR 19.
48 HOUR FORECAST VALID 1200 UTC TUE MAR 20.

.WARNINGS.

...GALE WARNING...
.COLD FRONT APPROACH 30N140W. FROM 26N TO 28N W OF 136W S TO SW 
WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.12 HOUR FORECAST COLD FRONT FROM 30N138W TO 27N140W. N OF 26N 
WITHIN 300 NM E OF FRONT SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT.
.24 HOUR FORECAST FROM 30N134W TO 24N140W. N OF 26N WITHIN 360 
NM E OF FRONT S TO SW WINDS 20 TO 25 KT. SEAS TO 11 FT.  N OF 
28N W OF 138W W WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FIRST COLD FRONT FROM 30N130W TO 20N140W... 
SECOND COLD FRONT FROM 30N139W TO 29N140W. N OF 26N WITHIN 300 
NM E OF FIRST COLD FRONT S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 
FT. N OF 29N W OF 139W SW TO W WINDS 25 TO 35 KT. SEAS 14 TO 19 
FT. ELSEWHERE N OF 26N W OF 135W SW TO W WINDS 20 TO 30 KT. SEAS 
9 TO 14 FT. REMAINDER WATERS W OF LINE FROM 30N132W TO 23N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10.5N88W...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 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.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.GULF OF CALIFORNIA DISSIPATING COLD FRONT FROM 31N112W TO 
29N114W. NW OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.24 HOUR FORECAST FROM 19N TO 20N BETWEEN 105W AND 108W NW TO N 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 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 SUN MAR 18...

.SCATTERED MODERATE WITHIN 90 NM OF LINE FROM 30N130W TO 
28N140W.
 
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N82W TO 05N104W. ITCZ FROM 05N104W TO 
05N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM OF LINE 
FROM 05N77W TO 06N82W TO 03N90W TO 08N105W...AND WITHIN 30 NM OF 
0 9N122W AND 05N128W. 

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.