000
FZPN03 KNHC 120903
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON MAR 12.
24 HOUR FORECAST VALID 0600 UTC TUE MAR 13.
48 HOUR FORECAST VALID 0600 UTC WED MAR 14.

.WARNINGS.

...GALE WARNING...
.09 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.
.15 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.
.18 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 13 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 10 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 90 NM EITHER SIDE
OF SAME LINE N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 15N95W TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN AREA 
BOUNDED BY 13N93W TO 10N94W TO 10N98W TO 14N97W TO 12N95W TO 
15N94W TO 13N93W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE
SWELL.
.48 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.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N136.5W TO 27N140W. WITHIN 90 NM E AND SE OF
FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT W OF FRONT W TO NW
WINDS 20 TO 25 KT. SEAS 10 TO 13 FT IN NW SWELL.
.24 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.
.48 HOUR FORECAST COLD FRONT FROM 30N120W TO 25N127.5W. WITHIN 
AREA BOUNDED BY 30N121W TO 18N127W TO 07N128W TO 05N140W TO 
30N140W TO 30N121W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW 
SWELL...HIGHEST NEAR 30N129W.

.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.
.48 HOUR FORECAST CONDITIONS MERGED.

.42 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.
.48 HOUR FORECAST FROM 10.5N TO 11.5N E OF 88W...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 0830 UTC MON MAR 12...

.TROUGH FROM 30N123W TO 27.5N130W TO 25N140W...SCATTERED 
MODERATE ISOLATED STRONG WITHIN 300 NM E AND SE OF TROUGH N OF
28.5N AND WITHIN 120 NM SE OF TROUGH W OF 130W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH AXIS EXTENDS FROM 08N81W TO 04N93W. ITCZ AXIS 
EXTENDS FROM 04N93W TO 02N110W TO 03N125W TO 05N140W. SECOND 
ITCZ AXIS EXTENDS FROM 01S91W TO 02S105W TO 03.4N117W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM N OF TROUGH 
BETWEEN 85W AND 89W AND BETWEEN 92W AND 99W AND S OF 01S BETWEEN 
100W AND 108W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.