000
FZPN03 KNHC 202117
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 20.
24 HOUR FORECAST VALID 1800 UTC TUE FEB 21.
48 HOUR FORECAST VALID 1800 UTC WED FEB 22.

.WARNINGS.

...GALE WARNING...
.36 HOUR FORECAST GULF OF CALIFORNIA FROM 29N TO 31N SW WINDS 
25 TO 35 KT. SEAS BUILDING 8 TO 11 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.N OF 25N W OF 122W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
PRIMARILY IN NW SWELL.
.24  HOUR FORECAST N OF A LINE FROM 30N125W TO 27N130W TO 
27N137W TO 30N138W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
FROM 21N TO 25N BETWEEN 119W AND 124W WINDS 20 KT OR LESS. SEAS 
8 FT IN NW SWELL.
.48 HOUR FORECAST N OF A LINE FROM 27N115W TO 26N130W NW TO N 
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 12 TO 18 
FT N OF 28N BETWEEN 116W AND 126W. N OF 22N W OF 130W N TO NE 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF A LINE FROM 
29N115W TO 26N117W TO 23N130W TO 21N138W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN N SWELL. 

.FROM 11N TO 21N W OF 130W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
9 FT. ELSEWHERE W OF A LINE FROM 25N140W TO 19N124W TO 07N131W 
TO 07N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND 
NE SWELL.
.24 HOUR FORECAST W OF A LINE FROM 20.5N140W TO 12N124W TO 
07N140W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE W 
OF A LINE FROM 21N140W TO 16N130W TO 15N117W TO 05N128W TO 
05N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE 
SWELL. 
.48 HOUR FORECAST FROM 10N TO 16N W OF 130W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT. ELSEWHERE W OF A LINE FROM 21N138W TO 
10N126W TO 03N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED 
N AND NE SWELL.

.WITHIN 45 NM OF A LINE FROM 16N95W TO 15N95W TO 12N97.5W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT. ELSEWHERE FROM 03N TO 11N BETWEEN 92W AND 112W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.
.12 HOUR FORECAST N OF 15N BETWEEN 94W AND 95W N WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 105 NM OF A LINE FROM 12N86.5W TO 09N91W...INCLUDING THE 
GULFS OF PAPAGAYO AND FONSECA...NE WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT. ELSEWHERE FROM 06N TO 11N BETWEEN 86W AND 92W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN NE SWELL.
.12 HOUR FORECAST FROM 09N TO 12N E OF 90W...INCLUDING THE GULF 
OF PAPAGAYO... NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
ELSEWHERE FROM 05N TO 08N BETWEEN 90W AND 93W...AND FROM 02N TO 
09N BETWEEN 99W AND 109W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED NE AND NW SWELL. 
.24 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 11N86W TO 
09.5N90W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 
25 KT. SEAS 8 FT. FROM 05N TO 08N BETWEEN 103W AND 108W WINDS 20 
KT OR LESS. SEAS 8 FT IN MIXED NE AND NW SWELL. 
.48 HOUR FORECAST FROM 10N TO 12N E OF 91W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.

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

CONVECTION VALID AT 2100 UTC MON FEB 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

A SURFACE TROUGH EXTENDS FROM 10N75W TO 01N85W. THE ITCZ 
CONTINUES FROM 01N85W TO 02N118W TO 01S130W TO 00N140W. 
SCATTERED MODERATE CONVECTION IS NOTED FROM 00N TO 03N BETWEEN 
98W AND 108W, AND FROM 04N TO 10N BETWEEN 122W AND 131W. A 
SECOND ITCZ IS ANALYZED S OF THE EQUATOR AND RUNS FROM 03S85W TO 
04S110W. SCATTERED MODERATE CONVECTION IS NEAR THE EASTERN END 
OF THE SECOND ITCZ. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.