Sun, 19 Apr 2026 02:10:13 +0000 Sun, 19 Apr 2026 02:10:13 +0000 National Hurricane Center - High Seas Forecast (Northeast Pacific) https://www.nhc.noaa.gov/ none nhcwebmaster@noaa.gov (nhcwebmaster) en-us nhcwebmaster@noaa.gov (nhcwebmaster) https://www.nhc.noaa.gov/gifs/xml_logo_nhc.gif https://www.nhc.noaa.gov/ NOAA logo 95 45 FZPN03 KNHC 182144
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT APR 18.
24 HOUR FORECAST VALID 1800 UTC SUN APR 19.
48 HOUR FORECAST VALID 1800 UTC MON APR 20.

.WARNINGS.

...GALE WARNING...
.30 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW TO N
WINDS 25 TO 35 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 13N98W TO 12N98W TO
12N97W TO 13N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.36 HOUR FORECAST COLD FRONT FROM 30N130W TO 27N140W. W OF
FRONT...WITHIN 30N135W TO 30N140W TO 29N140W TO 30N136W TO
30N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N127W TO 25N135W AND
WEAKENING TO 23N140W. W OF FRONT...WITHIN 30N130W TO 30N140W TO
26N140W TO 27N133W TO 30N130W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN NW TO N SWELL.

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

CONVECTION VALID AT 2130 UTC SAT APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 06N77W TO 09N86W TO 07N96W TO 05N108W.
ITCZ EXTENDS FROM 05N108W TO 06N120W TO 06N130W TO 05N140W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM S OF THE ITCZ
BETWEEN 120W AND 122W AND WITHIN 60 NM S OF THE ITCZ BETWEEN
124W AND 126W. SCATTERED MODERATE FROM 04N TO 08N BETWEEN 85W AND
91W AND WITHIN 30 NM N OF THE ITCZ BETWEEN 139W AND 140W. A
SECOND ITCZ EXTENDS 01S88W TO 01S110W TO 02S120W TO 03N130W TO
02.5SW140W. SCATTERED MODERATE FROM THE EQUATOR TO 04N BETWEEN
86W AND 91W AND WITHIN 180 NM N OF THE ITCZ BETWEEN 95W AND
101W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.]]> Sat, 18 Apr 2026 21:45:09 +0000 https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml 202604182145 nhcwebmaster@noaa.gov (nhcwebmaster)