000
FZPN03 KNHC 201617
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI MAR 20 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI MAR 20.
24 HOUR FORECAST VALID 1200 UTC SAT MAR 21.
48 HOUR FORECAST VALID 1200 UTC SUN MAR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N135W TO 27N140W. N OF 27N WITHIN 240 NM E OF 
FRONT SW WINDS 20 TO 25 KT. SEAS 8 FT. W OF FRONT WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.12 HOUR FORECAST COLD FRONT FROM 30N128W TO 25N134W TO 24N140W.
N OF 27N WITHIN 180 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 
8 FT. N OF 28N W OF FRONT TO 135W AND ALSO N OF 29N W OF 135W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N125W TO 25N130W 
AND DISSIPATING TO 23N140W. SECOND COLD FRONT FROM 30N135W TO 
28N140W. W OF SECOND FRONT W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT.
.36 HOUR FORECAST FIRST COLD FRONT DISSIPATED. SECOND COLD FRONT 
FROM 30N130W TO 26N140W. N OF 27N W OF SECOND COLD FRONT W TO NW 
WINDS 20 TO 25 KT. SEAS 10 TO 15 FT IN NW SWELL. ELSEWHERE W OF 
SECOND COLD FRONT WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO 
N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N126W TO 24N130W AND 
DISSIPATING TO 22N140W. POST-FRONTAL TROUGH FROM 30N129W TO 
27N140W. FROM 27N TO 29N BETWEEN 127W AND 132W W TO NW WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
30N140W TO 30N134W TO 30N126W TO 27N128W TO 24N134W TO 23N140W 
TO 30N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL
...EXCEPT 10 TO 15 FT IN NW SWELL N OF 29N W OF 136W.

.WITHIN AREA BOUNDED BY 14N140W TO 14N129W TO 17N119W TO 15N115W 
TO 09N125W TO 09N135W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 FT 
IN N TO NE SWELL.
.24 HOUR FORECAST FROM 07N TO 13N W OF 130W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN N TO NE SWELL.
.36 HOUR FORECAST FROM 07N TO 13N W OF 134W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN MIXED SWELL.
.42 HOUR FORECAST FROM 08N TO 10N W OF 137W NE WINDS 20 TO 25 
KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 06N TO 12N W OF 135W WINDS 
20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. 
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 13N140W TO 10N135W TO 
06N140W TO 13N140W WINDS 20 KT OR LESS. SEAS 8 FT PRIMARILY
IN NW SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10N89W...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. 
.18 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 
10N89W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 
10N88W...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 10N88W TO 
11N89W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 
KT. SEAS 8 TO 9 FT.

.42 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W...
INCLUDING GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W... 
TO 14N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 1600 UTC FRI MAR 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N84W TO 05N92W TO 03N103W. ITCZ 
EXTENDS FROM 03N103W TO 02N114W TO 01N124W TO 05N135W TO BEYOND 
07N140W. SCATTERED MODERATE WITHIN 60 NM OF TROUGH BETWEEN 90W 
AND 95W AND WITHIN 30 NM N OF ITCZ BETWEEN 113W AND 125W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.