749
FZPN03 KNHC 170310
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU SEP 17.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 18.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 19.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 25 TO 35
KT. SEAS 2.5 M. WITHIN 14N95W TO 16N95W TO 13N97W TO 12N97W TO
13N96W TO 14N96W TO 14N95W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0
M.
.12 HOUR FORECAST WITHIN 14N94W TO 16N95W TO 12N98W TO 12N97W TO
13N95W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N94.5W TO 16.5N95W TO 16N95.5W TO
15.5N95.5W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 25 TO 35 KT. SEAS 2.5 M. ELSEWHERE WITHIN
15N94W TO 16N95W TO 15N96W TO 14N96W TO 15N95W TO 15N94W N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. REMAINDER OF AREA WITHIN
13N95W TO 13N96W TO 12N98W TO 11N99W TO 11N96W TO 13N95W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.36 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 14N96W TO 13N96W TO
14N95W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 16.5N94.5W TO 16N95.5W TO 15.5N95.5W TO
15.5N95W TO 15.5N94.5W TO 16.5N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.SYNOPSIS AND FORECAST.

.LOW PRESSURE NEAR 15N129W 1007 MB. WITHIN 22N127W TO 24N140W TO
17N140W TO 14N135W TO 15N126W TO 17N123W TO 22N127W NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST LOW PRESSURE NEAR 15N133W 1007 MB. WITHIN
21N127W TO 23N129W TO 24N140W TO 13N140W TO 14N132W TO 21N127W NE
TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E SWELL.
.48 HOUR FORECAST LOW PRESSURE NEAR 15N137W 1008 MB. WITHIN
23N133W TO 25N135W TO 23N140W TO 15N140W TO 16N138W TO 19N136W TO
23N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.

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

CONVECTION VALID AT 0300 UTC THU SEP 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N79W TO 08N90W TO 1007 MB LOW PRESSURE
NEAR 15N129W TO 10N140W. SCATTERED MODERATE TO ISOLATED STRONG
FROM 08N TO 13N BETWEEN 90W AND 105W. SCATTERED MODERATE
FROM 12N TO 16N BETWEEN 110W AND 120W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.