000
FZPN03 KNHC 211518
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE MAR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE MAR 21.
24 HOUR FORECAST VALID 1200 UTC WED MAR 22.
48 HOUR FORECAST VALID 1200 UTC THU MAR 23.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N123W TO 25N130W TO 21N140W. WITHIN 30N128W 
TO 30N138W TO 29N136W TO 28N131W TO 29N130W TO 30N128W W TO NW 
WINDS 30 TO 35 KT. SEAS 10 TO 18 FT IN NW SWELL...HIGHEST NEAR
30N136W. ELSEWHERE WITHIN 30N119W TO 28N131W TO 30N140W TO 
25N140W TO 25N131W TO 27N122W TO 30N119W W TO NW WINDS 20 TO 30
KT...EXCEPT SW WINDS 20 TO 25 KT AHEAD OF FRONT. SEAS 8 TO 16 FT
IN NW SWELL...HIGHEST NEAR 30N138W.
.18 HOUR FORECAST COLD FRONT FROM 30N117W TO 20N118W THEN
DISSIPATING TO 17N140W. WITHIN 30N119W TO 30N135W TO 28N133W TO
28N128W TO 27N125W TO 27N123W TO 30N119W W TO NW WINDS 20 TO 30 
KT. SEAS 10 TO 17 FT IN NW SWELL...HIGHEST NEAR 30N128W.
ELSEWHERE WITHIN 30N118W TO 28N127W TO 30N140W TO 20N140W TO 
25N123W TO 30N118W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN NW TO
N SWELL...HIGHEST N CENTRAL PART. WITHIN 19N137W TO 20N138W TO 
20N140W TO 18N140W TO 18N138W TO 19N137W NE WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 22N130W TO 
22N140W TO 10N140W TO 12N130W TO 17N125W TO 22N130W NE TO E WINDS
20 TO 25 KT. SEAS 9 TO 12 FT IN MIXED NE WIND WAVES AND NW TO N
SWELL. ELSEWHERE  WITHIN 29N115W TO 30N140W TO 22N132W TO 
09N140W TO 13N127W TO 23N115W TO 29N115W...INCLUDING SEBASTIAN 
VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
WITHIN 26N112W TO 27N114W TO 25N115W TO 23N115W TO 23N112W TO 
23N111W TO 26N112W...INCLUDING WITHIN 60 NM OF SHORE...NW TO N 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT WELL W OF AREA. WITHIN 31N113W TO 31N114W TO 
31N115W TO 30N115W TO 30N114W TO 31N113W...INCLUDING THE GULF OF 
CALIFORNIA...S TO SW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31.5N114W TO 31N115W. 
CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 16N94W TO 16N95W TO 14N95W TO 15N94W TO 16N94W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. 
SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS LESS THAN 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 11N86W TO 12N86W TO 11N87W TO 10N89W TO 09N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 12N87W TO 11N90W TO 11N91W TO 09N91W TO
09N88W TO 10N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... 
NE TO E WINDS 20 TO 30 KT. SEAS 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1300 UTC TUE MAR 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 08.5N78W TO 05N90W. ITCZ FROM 05N90W TO 00N98W TO 
03S101W TO 03S120W. SCATTERED MODERATE ISOLATED STRONG FROM 01N 
TO 03N BETWEEN 88W AND 90W...AND FROM 01N TO 07N BETWEEN 115W AND
137W. SCATTERED MODERATE FROM 01N TO 04N BETWEEN 94W AND 
96W...AND FROM 01N TO 03N BETWEEN 105W AND 110W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.