000
AXPZ20 KNHC 230201
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0405 UTC Sun Apr 23 2023

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 0000 UTC surface analysis and satellite imagery through
0130 UTC.

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

The monsoon trough extends from 08N78W to 09N87W to 03N100W. The
ITCZ continues from 03N100W to 00S125W to beyond 00S140W. 
Scattered moderate to isolated strong convection is noted from 
04N to 06N between 80W and 85W.

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

Gentle to moderate winds dominate off Baja California with 5 to 
7 ft combined seas in NW swell. Light breezes prevail elsewhere 
with 3 to 5 ft combined seas in open waters with southerly swell.
The mild marine conditions are due to a relatively weak pressure
gradient in place between 1005 mb low pressure over the Colorado
River valley, and 1028 mb high pressure centered over the 
eastern Pacific between California and Hawaii. Light smoke from 
agricultural fires covers the offshore waters of southern Mexico.

For the forecast, moderate NW winds off Baja California Norte will
increase slightly beyond 90 nm offshore through Sun night as low
pressure deepens over the Colorado River valley. This pattern 
will also allow fresh to locally strong gap winds to briefly 
pulse Sun evening over parts of the northern Gulf of California.
A new round of large NW swell will impact waters beyond 90 nm 
off Baja California Norte, reaching as far south as Cabo San 
Lazaro through Mon, before subsiding late Tue into Wed. Gentle 
to moderate breezes and slight to moderate combined seas will 
persist elsewhere through late next week.  

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

Light to gentle breezes and slight to moderate combined seas in 
SW swell dominate the region. Scattered thunderstorms persist 
off western Panama and Costa Rica near the monsoon trough. 

For the forecast, a weak pressure gradient will support light to
gentle breezes across the region through late next week. Expect 
slight to moderate combined seas primarily in S to SW swell. 
 
...REMAINDER OF THE AREA...

The subtropical ridge is anchored by 1028 mb high pressure 
centered near 34N136W and extends southeastward to southern 
Mexico. This pattern is supporting moderate to fresh trade winds 
north of 08N and west of 120W. Gentle to moderate breezes are 
evident elsewhere. Combined seas are 6 to 8 ft in NW to N swell 
from 06N to 18N and west of 130W and N of 28N E of 125W. Seas 
are 4 to 6 ft elsewhere.

For the forecast, large NW swell will will persist through Tue 
night for waters north of 25N and east of 125W. High pressure 
will continue to shift west and weaken further Sun into early 
next week, leading to a continued decrease in trades west of 
125W. Seas west of 125W will will also fall below 8 ft Sun.

$$
KONARIK