611 
AXPZ20 KNHC 191656 CCA
TWDEP 

Tropical Weather Discussion...Corrected
NWS National Hurricane Center Miami FL
1605 UTC Sun Apr 19 2026

Corrected forecast for Offshore Waters Within 250 nm of Mexico

Tropical Weather Discussion for the eastern Pacific Ocean from
03.4S to 30N, east of 120W including the Gulf of California, and
from the Equator to 30N, between 120W and 140W. The following
information is based on satellite imagery, weather observations,
radar, and meteorological analysis.

Based on 1200 UTC surface analysis and satellite imagery through
1545 UTC.

...SPECIAL FEATURES...

Gulf of Tehuantepec Gale Warning: High pressure ridging will
build southward along eastern Mexico in the wake of a late-
season cold front that is moving across the northern Gulf of 
America. The pressure gradient between the ridge and relatively 
lower pressure south of Mexico should tighten enough to support
a brief occurrence of gale-force northerly winds in the Gulf of 
Tehuantepec tonight into Mon morning. The gradient will then 
relax enough as high pressure north of the area shifts eastward 
during Mon enabling the gale winds to diminish to strong speeds. 
Seas with this upcoming gale event are expected to peak to around
11 ft. Lingering rough seas later during Mon will subside late 
Mon. Marine interests transiting through, or near the Gulf of 
Tehuantepec should take the necessary action to avoid hazardous 
marine conditions over the affected waters.

Please read the latest High Seas Forecast issued by the National 
Hurricane Center at website
https:///www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

A surface trough extends from low pressure in northwest Colombia
southwestward to 08N78W to 04N98W and to 04N110W 05N120W, where 
it transitions to the ITCZ and continues to 05N125W to 05N131W 
to beyond 04N140W. Numerous moderate to isolated strong
convection is within 180 nm north of the ITCZ between 119W-125W,
and within 120 nm south of the ITCZ between 125W-128W. Scattered 
moderate to isolated strong convection is within 60 nm south of
the ITCZ between 128W-131W. Scattered moderate convection is
within 120 nm south of the trough between 92W-97W, also within 
60 nm of the trough between 83W-87W and within 60 nm of the 
trough between 90W-93W.

...OFFSHORE WATERS WITHIN 250 NM OF MEXICO...Corrected

Please see the Special Features section above for information 
on an upcoming gap wind gale-event in the Gulf of Tehuantepec.

A high pressure ridge axis extends from 27N126W southeastward
to near 18N110W. The pressure gradient between the ridge and 
lower pressures over Mexico is generally supporting gentle to 
moderate northwest winds west of the Baja California Peninsula. 
Elsewhere over the Pacific, winds are moderate or weaker in 
speeds. Seas are 4 to 6 ft in northwest swell over the waters 
northwest of Cabo Corrientes and 4 to 5 ft in south swell over 
the waters southeast of Cabo Corrientes as seen in recent
altimeter satellite data. Light to gentle west to northwest 
winds are in the Gulf of California. Seas are 3 to 4 ft in the 
southern sections of the Gulf and 1 to 3 ft elsewhere. 

For the forecast, aside from the upcoming Tehuantepec gale event, 
rather quiet conditions will remain over the forecast waters through 
Tue. A set of northwest swell will move through the waters west of 
Baja California Norte Tue night into Wed, but it will be subsiding 
as it does. Seas are expected to peak to around 9 ft on Thu with 
this swell. Fresh to locally strong northwest winds are forecast 
over the Pacific waters of Baja California beginning Wed night. 
Otherwise, high pressure will dominate the general weather pattern 
well into the upcoming week providing for moderate to fresh 
northerly winds northwest of Cabo Corrientes, and mostly light to 
gentle winds southeast of Cabo Corrientes.

....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND 
WITHIN 750 NM OF ECUADOR...

Gentle to moderate north to northeast winds are over the Gulf of
Panama reaching south to near 05N. Seas are 4 to 6 ft in south 
to southwest over these waters. Light to gentle variable winds 
prevail elsewhere along with seas of 4 to 6 ft in long-period
south to southwest swell.

Scattered to numerous moderate to isolated strong convection is 
from 03S to 01S between 85w AND 89W. Scattered showers and 
isolated thunderstorms are noted over the waters from 02N to 07N 
between 84W and 90W, and just offshore Colombia from 01N to 05N.

For the forecast, winds may pulse to fresh speeds in the Gulf of
Papagayo region late at night and into the mornings through Tue.
Otherwise, rather tranquil conditions are expected to hold over 
the Central American and the equatorial waters for the next few 
days.

...REMAINDER OF THE AREA...

High pressure is northwest of the area with a ridge extending to
17N and west of 118W. A late-season cold front has entered the 
northwest part of the area along a position from near 30N134W to
27N140W. A weak pressure gradient between the ridge and relatively
lower pressure to its south associated to the ITCZ is sustaining
an area of moderate to locally fresh northeast trades over the 
western part of the domain from 13N to 19N and west of about 
130W. Seas within this area of trades are 5 to 7 ft in mixed 
swell. No additional deep convection is occurring away from the 
surface trough/ITCZ.

For the forecast, little overall change is expected in the present 
synoptic pattern into early next week, with respect to winds and 
seas. The aforementioned cold front will move east-southeastward and 
weaken as moves across the north-central and northeast forecast 
waters from late Mon through Tue. The main impacts from this front 
will be from a set of large northwest to north swell that will trail 
the front as seas are expected to build to a maximum of 12 or 13 ft 
on Mon night over the far northwest waters. Seas of 8 ft and greater 
will reach to a line from near 30N119W to 20N140W by late Tue.

$$
Aguirre