239 
FZPN03 KNHC 162159
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU FEB 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU FEB 16.
24 HOUR FORECAST VALID 1800 UTC FRI FEB 17.
48 HOUR FORECAST VALID 1800 UTC SAT FEB 18.

.WARNINGS.

...STORM WARNING...
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO 
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 
KT. SEAS 8 TO 11 FT. 
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO 
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 40 TO 45 
KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN 16N95W TO 16N94W TO 
13N95W TO 14N96W TO 15N96W TO 16N95W N TO NE WINDS 20 TO 30 
KT...EXCEPT 30 TO 40 KT N OF 14N. SEAS 8 TO 12 FT...EXCEPT 9 TO 
14 FT N OF 14N.
.30 HOUR FORECAST WITHIN 16N93W TO 16N94W TO 16N95W TO 15N95W TO 
15N94W TO 16N93W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
40 TO 50 KT. SEAS 14 TO 23 FT. ELSEWHERE WITHIN 15N93W TO 15N94W 
TO 16N95W TO 14N97W TO 12N97W TO 13N94W TO 15N93W N TO NE WINDS 
30 TO 40 KT. SEAS 8 TO 12 FT. 
.42 HOUR FORECAST WITHIN 15N93W TO 16N95W TO 15N96W TO 14N96W TO 
14N95W TO 15N93W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
35 TO 45 KT. SEAS 13 TO 22 FT. ELSEWHERE WITHIN 14N94W TO 14N96W 
TO 13N98W TO 12N97W TO 12N96W TO 13N94W TO 14N94W N TO NE WINDS 
30 TO 35 KT. SEAS 12 TO 19 FT IN MIXED NE AND NW SWELL. 
REMAINDER OF AREA WITHIN 14N93W TO 15N93W TO 16N97W TO 12N103W 
TO 10N100W TO 11N94W TO 14N93W NE TO E WINDS 20 TO 30 KT. SEAS 8 
TO 12 FT.
.48 HOUR FORECAST LITTLE CHANGE 

.SYNOPSIS AND FORECAST.

.COLD FRONT JUST NW OF AREA. WITHIN 24N138W TO 30N138W TO 
30N140W TO 20N140W TO 20N133W TO 21N133W TO 24N138W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN MIXED NW TO N SWELL.
.18 HOUR FORECAST COLD FRONT FROM 30N130W TO 27N140W. WITHIN 
30N140W TO 30N128W TO 20N129W TO 09N112W TO 04N140W TO 19N140W 
TO 30N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL... 
EXCEPT IN MIXED NE AND NW SWELL S OF 19N.
.24 HOUR FORECAST COLD FRONT FROM 30N128W TO 26N140W. LITTLE
CHANGE.
.42 HOUR FORECAST LOW PRES NEAR 29N125W 1013 MB WITH COLD FRONT 
TO 25N130W TO 23N140W. WITHIN 30N123W TO 22N129W TO 08N131W TO
05N140W TO 19N140W TO 30N140W TO 30N123W WINDS 20 KT OR LESS... 
EXCEPT N TO NE WINDS 20 TO 30 KT N OF 26N. SEAS 8 TO 12 FT... 
EXCEPT 11 TO 15 FT N OF 26N BETWEEN 131W AND 138W.
.48 HOUR FORECAST LOW PRES NEAR 28N125W 1013 MB WITH COLD FRONT 
TO 24N130W TO 23N140W. LITTLE CHANGE.

.WITHIN 30N116W TO 26N113W TO 17N108W TO 19N128W TO 24N130W TO 
30N138W TO 30N116W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 
60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL...HIGHEST S OF 28N.  
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.WITHIN 11N86W TO 12N87W TO 12N88W TO 10N89W TO 10N88W 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 11N86W TO 12N87W TO 12N88W TO 10N89W TO 
10N88W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE 
TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.30 HOUR FORECAST WITHIN 12N87W TO 12N88W TO 10N90W TO 08N90W TO 
08N87W TO 10N85W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... 
NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 11N86W TO 08N88W TO 06N93W TO 09N92W TO 
11N89W TO 12N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... 
NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
 
.WITHIN 28N111W TO 30N113W TO 29N113W TO 25N111W TO 25N109W TO 
26N109W TO 28N111W...INCLUDING THE GULF OF CALIFORNIA...NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.18 HOUR FORECAST WITHIN 28N111W TO 31N113W TO 31N114W TO 
28N113W TO 25N111W TO 26N109W TO 28N111W...INCLUDING THE GULF OF 
CALIFORNIA...NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2145 UTC THU FEB 16...

.SCATTERED MODERATE WITHIN 60 NM OF 09N118W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 08N82W TO 03N90W TO 02N96W TO 
02N107W. ITCZ EXTENDS FROM 02N107W TO 04N120W TO 05N130W TO 
04N140W. SCATTERED MODERATE WITHIN 60 NM OF THE TROUGH BETWEEN 
103W AND 107W. 

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.