000
FZPN03 KNHC 180230
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON SEP 18.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 19.
48 HOUR FORECAST VALID 0000 UTC WED SEP 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 17N139W TO 18N140W TO 13N140W TO 13N139W TO 14N139W TO
17N139W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 16N138W TO 17N139W TO 18N140W TO
14N140W TO 14N139W TO 15N138W TO 16N138W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 21N134W TO 20N140W TO 11N140W TO
12N134W TO 15N133W TO 21N134W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NE SWELL.

.WITHIN 04N109W TO 04N112W TO 00N120W TO 03.4S120W TO 03.4S104W
TO 04N109W WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.
.24 HOUR FORECAST WITHIN 02S116W TO 02S120W TO 03.4S120W TO
03.4S114W TO 02S116W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SE
SWELL. 
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.36 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13.5N118W 1007 MB. WITHIN 18N117W TO 18N121W TO 16N122W TO 
14N121W TO 14N119W TO 15N117W TO 18N117W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N120W 1007 MB. WITHIN 20N119W TO 19N125W TO 15N126W TO 14N123W
TO 14N119W TO 15N117W TO 20N119W WINDS 20 TO 25 KT. SEAS 8 TO 9 
FT.

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

CONVECTION VALID AT 0230 UTC MON SEP 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N84W TO 10N92W TO 11N109W TO 10N121W TO 
10N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 13N E OF
140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.