000
FZPN03 KNHC 202016
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU JUL 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU JUL 20.
24 HOUR FORECAST VALID 1800 UTC FRI JUL 21.
48 HOUR FORECAST VALID 1800 UTC SAT JUL 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 13N120.5W 1007 MB. WITHIN 16N115W TO 17N118W TO 
16N122W TO 11N120W TO 11N118W TO 14N114W TO 16N115W WINDS 20 TO 
30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15N123W 1007 MB. WITHIN 17N120W TO 19N123W TO 17N126W TO 15N126W
TO 13N123W TO 13N119W TO 17N120W WINDS 20 TO 30 KT. SEAS 8 TO 11 
FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15N127W. WITHIN 20N127W TO 19N130W TO 16N130W TO 14N129W TO 
14N127W TO 16N125W TO 20N127W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN MIXED SWELL.

.WITHIN 11N86W TO 12N86W TO 12N87W TO 11N88W TO 09N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 16N93W TO 16N95W TO 15N96W TO 13N96W TO 13N95W TO 14N94W
TO 16N93W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO
25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 
20 TO 25 KT. SEAS TO 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 12N139W TO 13N139W TO 13N140W TO 11N140W TO 11N139W TO
12N139W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 12N137W TO 13N140W TO 10N140W TO
10N137W TO 11N136W TO 12N137W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. 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 2015 UTC THU JUL 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N84W TO 07N98W TO 13N120W TO 11N123W. ITCZ
FROM 11N123W TO 09N140W. SCATTERED MODERATE FROM 01N TO 05N 
BETWEEN 80W AND 86W...FROM 06N TO 09N BETWEEN 87W AND 91W....AND 
FROM 03N TO 07N BETWEEN 102W AND 106W. SCATTERED MODERATE 
ISOLATED STRONG FROM 07N TO 17N BETWEEN 107W AND 120W...AND FROM 
05N TO 16N BETWEEN 125W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.