000
FZPN03 KNHC 172059
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN SEP 17.
24 HOUR FORECAST VALID 1800 UTC MON SEP 18.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 17N138W TO 18N140W TO 14N140W TO 15N138W TO 17N138W
WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 18N135W TO 18N137W TO 17N140W TO
14N140W TO 15N136W TO 16N135W TO 18N135W WINDS 20 KT OR LESS.
SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 16N134W TO 19N136W TO 18N140W TO
12N140W TO 12N135W TO 16N134W WINDS 20 KT OR LESS. SEAS 8 FT 
IN NE SWELL.

.WITHIN 05N108W TO 04N114W TO 03.4S119W TO 03.4S101W TO 05N108W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SE SWELL.
.24 HOUR FORECAST WITHIN 02S111W TO 02S116W TO 03S120W TO
03.4S120W TO 03.4S111W TO 02S111W WINDS 20 KT OR LESS. SEAS 8
FT IN SE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

.42 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N118W 1007 MB. WITHIN 17N117W TO 18N119W TO 16N122W TO
15N122W TO 13N119W TO 14N117W TO 17N117W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N119W 1007 MB. WITHIN 16N116W TO 18N118W TO 18N122W TO
15N122W TO 13N120W TO 13N117W TO 16N116W 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 2030 UTC SUN SEP 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 11N136W. SCATTERED MODERATE FROM 
07N TO 13N AND E OF 136W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.