000
FZPN03 KNHC 202159
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON MAR 20 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20.
24 HOUR FORECAST VALID 1800 UTC TUE MAR 21.
48 HOUR FORECAST VALID 1800 UTC WED MAR 22.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N134W TO 27N140W. E OF FRONT...WITHIN 
30N131W TO 30N134W TO 29N135W TO 28N136W TO 29N133W TO 30N131W S 
TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. W OF FRONT...WITHIN 
30N134W TO 30N140W TO 29N140W TO 29N138W TO 29N135W TO 30N134W
NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST COLD FRONT FROM 30N124W TO 26N130W TO 24N140W. 
WITHIN 30N130W TO 30N135W TO 29N135W TO 29N132W TO 30N132W W TO 
NW WINDS 30 TO 35 KT. SEAS 12 TO 18 FT. E OF FRONT...WITHIN 
30N119W TO 29N120W TO 27N123W TO 28N126W TO 30N124W TO 30N119W S 
TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE W OF FRONT
...WITHIN 30N124W TO 30N140W TO 24N140W TO 26N130W 18N140W W TO 
NW WINDS 25 TO 30 KT. SEAS 8 TO 12 FT...EXCEPT 11 TO 15 FT N OF 
27N.
.24 HOUR FORECAST COLD FRONT FROM 30N120W TO 23N130W TO 20N140W.
LITTLE CHANGE IN CONDITIONS.
.36 HOUR FORECAST COLD FRONT FROM 30N116W TO 21N122W TO 19N130W 
TO 18N140W. WITHIN 30N116W TO 30N120W TO 30N137W TO 27N130W TO 
28N120W TO 30N116W W TO NW WINDS 20 TO 25 KT. SEAS 12 TO 18 FT 
IN NW SWELL. ELSEWHERE WITHIN 30N116W TO 23N120W TO 18N140W TO 
30N140W TO 30N130W TO 30N116W WINDS 20 KT OR LESS...EXCEPT NE TO 
E WINDS 20 TO 25 KT FROM 18N TO 20N W OF 135W. SEAS 8 TO 12 FT 
IN NW TO N SWELL.  
.42 HOUR FORECAST COLD FRONT FROM 30N114W TO 19N126W TO 16N140W. 
WITHIN 30N114W TO 30N132W TO 28N130W TO 29N125W TO 30N114W W TO 
NW WINDS 20 TO 25 KT. SEAS 13 TO 16 FT IN W TO NW SWELL. 
ELSEWHERE WITHIN 30N114W TO 24N123W TO 17N140W TO 30N140W TO 
30N130W TO 30N114W WINDS 20 KT OR LESS...EXCEPT NE TO E WINDS 20 
TO 25 KT FROM 16N TO 20N W OF 136W. SEAS 8 TO 12 FT IN NW TO N 
SWELL...EXCEPT 12 TO 16 FT N OF 24N W OF FRONT.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N113W TO 18N130W 
TO 15N140W. WITHIN 30N116W TO 30N140W TO 15N140W TO 20N125W TO 
24N119W TO 30N116W WINDS 20 KT OR LESS...EXCEPT NE TO E WINDS 20 
TO 25 KT FROM 15N TO 21N W OF 138W. SEAS 8 TO 12 FT IN NW TO N 
SWELL...EXCEPT 11 TO 15 FT N OF 23N W OF FRONT TO 137W.

...GALE WARNING...
.WITHIN 16N95W TO 14N97W TO 12N97W TO 12N95W TO 13N94W TO 
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 10 TO 14 FT. ELSEWHERE...WITHIN 14N93W TO 16N95W TO 
14N98W TO 12N99W TO 11N97W TO 12N94W TO 14N93W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT.
.12 HOUR FORECAST WITHIN 16N95W TO 16N94W TO 15N94.5W TO 14N95W 
TO 15N96W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO 
NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.18 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.SYNOPSIS AND FORECAST.

.WITHIN 12N86W TO 12N88W TO 10N88W TO 10N86W TO 11N86W TO 
12N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.03 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST WITHIN 11N86W TO 11N89W TO 10N89W TO 10N88W TO 
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.18 HOUR FORECAST WITHIN 12N86W TO 10N91W TO 10N88W TO 09N89W TO 
10N85W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.06 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO 
30N114W TO 31N113W...INCLUDING THE NORTHERN GULF OF 
CALIFORNIA...S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST LITTLE CHANGE...EXCEPT S TO SW WINDS 20 TO 30 
KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO 
30N114W TO 31N113W...INCLUDING THE NORTHERN GULF OF 
CALIFORNIA...S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE...EXCEPT SW WINDS 20 TO 25 KT.

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

CONVECTION VALID AT 2145 UTC MON MAR 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE ITCZ EXTENDS FROM 03N111W TO 03N124W AND TO BELOW THE 
EQUATOR AT 130W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM 
N OF ITCZ BETWEEN 123W AND 126W. SCATTERED MODERATE WITHIN 120 
NM N OF THE ITCZ BETWEEN 119W AND 123W AND WITHIN 60 NM N OF 
THE ITCZ BETWEEN 116W AND 119W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.