000
FZPN03 KNHC 121554
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON MAR 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 12.
24 HOUR FORECAST VALID 1200 UTC TUE MAR 13.
48 HOUR FORECAST VALID 1200 UTC WED MAR 14.

.WARNINGS.

...GALE WARNING...
.03 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT. SEAS BUILDING TO 8 FT.
.09 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95W N TO NE WINDS 30 TO 35 KT. SEAS 8 TO 10 FT. 
ELSEWHERE WITHIN 30 NM EITHER SIDE OF SAME LINE N TO NE WINDS 20 
TO 30 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
30 TO 40 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE 
OF A LINE FROM 16N95W TO 15N95W TO 14N95.5W N TO NE WINDS 20 TO 
30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 60 NM 
EITHER SIDE OF LINE FROM 16N95W TO 14.5N95.5W TO 13N96W TO 
12N97W N TO NE WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
.30 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14N95.5W TO 13N96W TO 12N96.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. 
ELSEWHERE WITHIN AREA BOUNDED BY 12N93W TO 10N54W TO 11N98W TO 
14N97W TO 12N95W TO 15N94W TO 12N93W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN N TO NE SWELL.
.42 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15N95W TO 14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO 
NE WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 45 NM 
EITHER SIDE OF SAME LINE N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 
FT.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95.5W TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N 
TO NE WINDS 25 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 60 NM 
EITHER SIDE OF SAME LINE N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 11 
FT. 

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N135W TO 25N140W. N OF 27N WITHIN 120 NM E OF 
FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. N OF 28N W OF FRONT 
W TO NW WINDS 20 TO 25 KT. SEAS 10 TO 15 FT IN NW SWELL.
.18 HOUR FORECAST COLD FRONT FROM 30N128W TO 25N134W THEN 
DISSIPATING TO 22N140W. WITHIN AREA BOUNDED BY 30N127W TO 
21N135W TO 18N140W TO 30N140W TO 30N127W WINDS 20 KT OR LESS. 
SEAS 8 TO 15 FT IN NW SWELL...HIGHEST NEAR 30N138W.
.24 HOUR FORECAST COLD FRONT FROM 30N126W TO 25N131W. W OF A 
LINE FROM 30N125W TO 22N132W TO 16N140W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 12 TO 15 FT N OF 26N W 
OF 133W.
.42 HOUR FORECAST WEAKENING COLD FRONT FROM 30N120W TO 
25N127.5W. N OF 06N W OF A LINE FROM 30N122W TO 17N127W TO 
06N129W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL. 
.48 HOUR FORECAST WITHIN AREAS BOUNDED BY 30N140W TO 30N120W TO 
18N124W TO 05N129W TO 05N140W TO 30N140W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NW TO N SWELL.

.FROM 05N TO 10N BETWEEN 120W AND 135W WINDS 20 KT OR LESS. SEAS
TO 8 FT IN MIXED NE AND SE SWELL.
.24 HOUR FORECAST FROM 06N TO 10N BETWEEN 123W AND 139W WINDS 20
KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.42 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE DESCRIBED ABOVE 
W OF LINE FROM 30N122W TO 17N127W TO 06N129W.

.36 HOUR FORECAST FROM 10N TO 11.5N E OF 87W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.42 HOUR FORECAST FROM 10.5N TO 11.5N E OF 89W...INCLUDING THE 
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 
10.5N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1530 UTC MON MAR 12...

.TROUGH FROM 30N127W TO 23N134W...SCATTERED MODERATE WITHIN
WITHIN 240 NM E AND SE OF TROUGH.

.COLD FRONT FROM 30N135W TO 25N140W. WITHIN 30 NM OF LINE FROM 
30N131W TO 28N133.5W TO 26N135W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH AXIS EXTENDS FROM 08N82W TO 05N95W TO 04N104W. 
ITCZ AXIS EXTENDS FROM 04N104W TO 02N116W TO 01N124W TO 04N136W 
TO 05N140W. SECOND ITCZ AXIS EXTENDS FROM 02S97W TO 02S113W TO 
04S123W TO 05N140W. NUMEROUS STRONG WITHIN 45 NM EITHER SIDE OF 
TROUGH BETWWEEN 89W AND 91W. SCATTERED MODERATE WITHIN 75 NM OF 
TROUGH BETWEEN 86W AND 88W AND ELSEWHERE WITHIN 60 NM OF TROUGH 
BETWEEN 88W AND 91W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.