832
FZPN03 KNHC 181529
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI SEP 18 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI SEP 18.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 19.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL WAVE...INVEST EP98...ALONG 119W FROM 07N TO 19N. WINDS
20 KT OR LESS. SEAS LESS THAN 2.5 M. NUMEROUS MODERATE TO STRONG
FROM 11.5N TO 17N BETWEEN THE WAVE AND 125W.
.24 HOUR FORECAST LOW PRES...INVEST EP98...POSSIBLE TROPICAL
CYCLONE...NEAR 11N121W 1008 MB. WITHIN 12N119W TO 14N119W TO
14N122W TO 13N123W TO 12N121W TO 11N120W TO 12N119W WINDS
20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST LOW PRES...INVEST EP98...POSSIBLE TROPICAL
CYCLONE...NEAR 11N125W 1007 MB. WITHIN 11N122W TO 13N123W TO
12N125W TO 10N126W TO 09N126W TO 08N123W TO 11N122W WINDS 20 TO
30 KT. SEAS 2.5 TO 3.5 M.

.LOW PRES...FORMER TROPICAL DEPRESSION FIFTEEN...NEAR 16N136W
1006 MB. WITHIN 21N128W TO 22N140W TO 14N140W TO 16N131W TO
19N128W TO 21N128W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST LOW PRES NEAR 15N139W 1007 MB. WITHIN 22N132W
TO 23N135W TO 22N140W TO 19N140W TO 18N134W TO 22N132W WINDS 20
KT OR LESS. SEAS 2.5 M IN E SWELL.
.36 HOUR FORECAST LOW PRES W OF AREA NEAR 15N141W 1008 MB.
WITHIN 16N130W TO 21N131W TO 24N135W TO 26N140W TO 18N140W TO
16N130W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST LITTLE CHANGE.

.30 HOUR FORECAST LOW PRES NEAR 10N109W 1008 MB. WITHIN 10N107W
TO 11N108W TO 10N109W TO 08N109W TO 07N108W TO 08N106W TO
10N107W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST LOW PRES NEAR 11N110W 1006 MB. WITHIN 11N106W
TO 12N107W TO 11N109W TO 09N110W TO 08N109W TO 10N107W TO 11N106W
S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.

.WITHIN 16N94W TO 16N95W TO 15N97W TO 13N97W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 16N96W
TO 14N96W TO 14N95W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.WITHIN 12N86W TO 12N88W TO 11N89W TO 10N89W TO 09N87W TO 10N86W
TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.09 HOUR FORECAST WITHIN 28N115W TO 29N114W TO 29N116W TO
28N116W TO 26N114W TO 27N114W TO 28N115W...INCLUDING SEBASTIAN
VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 29N114W TO 30N116W TO 29N116W TO
26N116W TO 26N115W TO 26N114W TO 29N114W...INCLUDING SEBASTIAN
VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW TO N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1515 UTC FRI SEP 18...

.LOW PRES NEAR 16N136W...NUMEROUS MODERATE TO STRONG FROM 15N TO
19N BETWEEN 131W AND 136W.

.TROPICAL WAVE ALONG 119W... NUMEROUS MODERATE TO STRONG
FROM 08N TO 17N BETWEEN THE WAVE AND 125W.

.TROPICAL WAVE FROM 16N103W TO 06N105W...SCATTERED MODERATE
WITHIN 180 NM E OF THE WAVE FROM 06N TO 12N.

.NUMEROUS MODERATE TO STRONG FROM 17N TO 21N BETWEEN THE COAST
OF MEXICO AND 108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 10N86W TO 09N91W TO
08N101W TO 06N108W TO 12N115W TO 13N123W. IT RESUMES AT 15N135W
TO 13N140W. NUMEROUS STRONG FROM 04N TO 08N BETWEEN 77W AND 80W.
SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 08N BETWEEN 81W
AND 92W AND WITHIN 120 NM S OF THE TROUGH BETWEEN 114W AND 119W.
SCATTERED MODERATE FROM 03N TO 08N BETWEEN 95W AND 102W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.