000
FZPN03 KNHC 172120
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.T.S. CALVIN W OF AREA NEAR 17.0N 142.4W 1000 MB AT 2100 UTC JUL
17 MOVING W OR 275 DEG AT 18 KT. OVER FORECAST WATERS WITHIN 
19N139.5W TO 19.5N140W TO 17N140W TO 17.5N139.5W TO 19N139.5W 
WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 20N137W TO
23N140W TO 14N140W TO 17N139W TO 19N137W TO 20N137W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 16N95W TO 14N96W TO 14N95W TO 
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
25 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 16.5N94.5W TO 16N95W TO 15.5N95.5W TO 
15N95.5W TO 15N95W TO 15.5N94.5W TO 16.5N94.5W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.

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

.06 HOUR FORECAST WITHIN 30N127W TO 30N131W TO 29.5N131W TO
29.5N129W TO 29.5N127.5W TO 30N127W WINDS 20 KT OR LESS. SEAS 8
FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 30N127W TO 30N130W TO 29.5N129W TO 
29.5N127.5W TO 30N127W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE 
SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.42 HOUR FORECAST WITHIN 14N110W TO 15N111W TO 15N112W TO
14N113W TO 12N112W TO 12N111W TO 14N110W E TO SE WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 15N112W TO 15N113W TO 14N114W TO 
13N114W TO 13N113W TO 13N112W TO 15N112W E TO SE WINDS 20 TO 25 
KT. SEAS 8 FT.

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

CONVECTION VALID AT 2100 UTC MON JUL 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09N83W TO 08N98W TO 08N109W. ITCZ 
EXTENDS FROM 08N110W TO 08N120W THEN FROM 07N123W TO BEYOND 
05N140W. SCATTERED MODERATE ISOLATED STRONG FROM 02N TO 18N 
BETWEEN 77W AND 110W. SCATTERED MODERATE FROM 02N TO 10N BETWEEN 
112W AND 135W. 

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.