093 
FZPN03 KNHC 310211
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU AUG 31.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 1.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 2.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES...REMNANTS OF IRWIN...NEAR 19N135.5W 1006 MB. WITHIN 
25N135W TO 25N140W TO 19N140W TO 18N136W TO 21N133W TO 25N135W NE
WINDS 20 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 26N131W 
TO 29N134W TO 29N140W TO 12N140W TO 13N135W TO 22N131W TO 26N131W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST LOW PRES...REMNANTS OF IRWIN...NEAR 19N138W
1008 MB. WITHIN 22N136W TO 23N138W TO 22N140W TO 18N140W TO 
20N137W TO 22N136W NE WINDS 20 TO 30 KT. SEAS 9 TO 12 FT.
ELSEWHERE WITHIN 29N135W TO 29N140W TO 22N140W TO 23N137W TO 
16N140W TO 21N133W TO 29N135W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NE SWELL.
.48 HOUR FORECAST LOW PRES...REMNANTS OF IRWIN...NEAR 18.5N140W
1009 MB. WITHIN 20N139W TO 20.5N140W TO 18.5N140W TO 19N139W TO
20N139W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE 
WITHIN 23N138W TO 24N138W TO 24N140W TO 19N140W TO 20N137W TO 
23N138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.WITHIN 30N123W TO 30N129W TO 29N127W TO 28N125W TO 29N123W TO 
30N123W N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 
30N120W TO 28N126W TO 30N129W TO 26N130W TO 27N127W TO 27N122W TO
30N120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 30N122W TO 30N133W TO 29N135W TO 
24N132W TO 23N128W TO 24N125W TO 30N122W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 03N98W TO 06N111W TO 00N132W TO 03.4S120W TO 03.4S80W TO
03N98W...INCLUDING NEAR THE ENTRANCE TO THE GULF OF GUAYAQUIL...
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 03S93W TO 02S100W TO 03S105W TO 03S118W
TO 03.4S120W TO 03.4S92W TO 03S93W WINDS 20 KT OR LESS. SEAS 8 
FT IN S SWELL.
.48 HOUR FORECAST WITHIN 01S84W TO 02N104W TO 01S118W TO 
03.4S120W TO 03.4S82W TO 01S84W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN S TO SW SWELL.

.03 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 30N114W TO
29N114W TO 29N113W TO 29N112W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA...SE WINDS 20 TO 30 KT WITH LOCALLY HIGHER GUSTS. 
SEAS LESS THAN 8 FT.
.09 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 31N115W TO 
30N115W TO 30N113W TO 31N113W...INCLUDING THE GULF OF 
CALIFORNIA...SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0130 UTC THU AUG 31...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 12N102W TO 08N126W. ITCZ FROM 
11N140W WESTWARD. SCATTERED MODERATE FROM 02N TO 06N BETWEEN 92W 
AND 97W...AND WITHIN 180 NM OF MONSOON TROUGH BETWEEN 101W AND 
116W. SIMILAR CONVECTION FROM 11N TO 14N BETWEEN 128W AND 130W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.