000
FZPN03 KNHC 122154
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON MAR 12.
24 HOUR FORECAST VALID 1800 UTC TUE MAR 13.
48 HOUR FORECAST VALID 1800 UTC WED MAR 14.

.WARNINGS.

...GALE WARNING...
.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.
.03 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.
.06 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.
.18 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.
.24 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.
.33 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 25 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 30N132W TO 24N140W. N OF 29N WITHIN 90 NM E OF 
FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. N OF 28N W OF FRONT
TO 139W  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 12 FT IN NW SWELL...EXCEPT 10 TO 14 FT N OF 27N W OF 
132W...HIGHEST NEAR 30N135W.
.24 HOUR FORECAST COLD FRONT FROM 30N126W TO 25N131W. W OF A 
LINE FROM 30N125W TO 21N131W TO 10N122W TO 05N125W TO 05N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 10 TO 
14 FT N OF 26N BETWEEN 127W AND 137W.
.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 11N BETWEEN 120W AND 139W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN MIXED NE AND SE SWELL.
.24 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE DESCRIBED IN 
ABOVE PARAGRAPH.

.30 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 2130 UTC MON MAR 12...

.TROUGH FROM 30N127W TO 23N131W...SCATTERED MODERATE N OF 27N 
E OF TROUGH TO 121W.

.COLD FRONT FROM 30N132W TO 24N140W. SCATTERED MODERATE WITHIN 
30 NM OF LINE FROM 30N128W TO 28N130W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH AXIS EXTENDS FROM 08N83W TO 05N92W TO 03N104W. 
ITCZ AXIS EXTENDS FROM 03N104W TO 04N110W TO 02N122W TO 04N135W 
TO 05N140W. SECOND ITCZ AXIS EXTENDS FROM 02S97W TO 02S113W TO 
04S123W TO 05N140W. SCATTERED MODERATE WITHIN 60 NM OF TROUGH 
BETWEEN 89W AND 91W AND WITHIN 30 NM OF TROUGH BETWEEN 
91W AND 93W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.