000
FZPN03 KNHC 180347 CCA
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

CORRECTED SEA HEIGHTS

.WITHIN 16N94W TO 16N96W TO 14N97W TO 13N97W TO 13N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 12N87W TO 12N89W TO 11N90W TO 10N89W TO 10N86W TO 11N86W
TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 
KT. SEAS 8 FT IN E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 19N138W TO 21N139W TO 22N140W TO 15N140W TO 17N138W TO
19N138W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 30N126W TO 30N132W TO 29N131W TO 29N127W TO 29N126W TO
30N126W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 14N108W TO 15N112W TO 16N115W TO 13N117W
TO 11N109W TO 12N108W TO 14N108W E TO SE WINDS 20 TO 25 KT. SEAS
8 FT IN SE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0300 UTC TUE JUL 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM CENTRAL COSTA RICA THROUGH
09N100W TO 09N115W. SCATTERED MODERATE FROM 05N TO 11N BETWEEN 
92W AND 100W...AND FROM 05N TO 10N BETWEEN 110W AND 115W.

ITCZ AXIS EXTENDS FROM 09N115W TO 09N120W...THEN FROM 09N122W 
ACROSS 06N130W TO BEYOND 04N140W. NUMEROUS MODERATE TO ISOLATED 
STRONG UP TO 250 NM ALONG EITHER SIDE OF THE SECOND ITCZ SEGMENT.

$$

.FORECASTER CHAN. NATIONAL HURRICANE CENTER.