868 
FZPN03 KNHC 210908
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI JUL 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI JUL 21.
24 HOUR FORECAST VALID 0600 UTC SAT JUL 22.
48 HOUR FORECAST VALID 0600 UTC SUN JUL 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION FOUR-E NEAR 14.5N 122.2W 1006 MB AT 0900
UTC JUL 21 MOVING WNW OR 300 DEG AT 13 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 16N118W TO 18N119W TO 18N122W
TO 15N123W TO 13N121W TO 13N119W TO 16N118W WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL DEPRESSION FOUR-E NEAR 16.1N 126.3W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 18N124W TO
19N126W TO 18N128W TO 17N128W TO 16N126W TO 16N124W TO 18N124W 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW FOUR-E NEAR 16.7N 
130.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN
19N130W TO 19N132W TO 18N132W TO 17N132W TO 17N131W TO 18N130W 
TO 19N130W WINDS 20 TO 25 KT. SEAS 8 FT.
.60 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.WITHIN 31N113W TO 31N114W TO 31N115W TO 30N115W TO 29N114W TO
30N113W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...SE TO S 
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.03 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30
KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 12N87W TO 12N89W TO 10N89W TO 10N87W TO 11N86W TO 12N87W
...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.45 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 12N88W TO 11N88W TO
10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 13N135W TO 14N136W TO 14N140W TO 12N140W TO 11N136W TO
12N135W TO 13N135W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E
SWELL.
.24 HOUR FORECAST WITHIN 12N139W TO 13N139W TO 13N140W TO
11N140W TO 11N139W TO 12N139W WINDS 20 KT OR LESS. SEAS 8 FT IN
N TO NE SWELL.
.36 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 0750 UTC FRI JUL 21...

.TROPICAL DEPRESSION FOUR-E...NUMEROUS MODERATE SCATTERED STRONG
WITHIN 240 NM NE SEMICIRCLE...AND FROM 10N TO 13N BETWEEN 121W 
AND 127W. 

.SCATTERED MODERATE GULF OF CALIFORNIA N OF 26N.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N72W TO 06N94W. ITCZ FROM 06N94W TO 05N98W
TO 08N104W...THEN FROM 06N107W TO 06N116W. ANOTHER MONSOON 
TROUGH SEGMENT FROM 06N116W TO TROPICAL DEPRESSION FOUR-E TO 
10N130W. ANOTHER ITCZ SEGMENT FROM 10N130W TO 06N140W. SCATTERED
MODERATE CONVECTION IS NOTED FROM 02N TO 07N BETWEEN 77W AND 
90W...FROM 04N TO 08N BETWEEN 93W AND 106W...AND FROM 04N TO 08N
BETWEEN 114W AND 121W. SCATTERED MODERATE FROM 07N TO 14N 
BETWEEN 127W AND 136W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.