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Eastern North Pacific Tropical Weather Discussion


000
AXPZ20 KNHC 090813
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1005 UTC Wed Jul 9 2025

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 0600 UTC surface analysis and satellite imagery through
0800 UTC.

...TROPICAL WAVES...

The axis of a tropical wave is near 98W north of 05N, moving 
westward at around 15 kt. Nearby convection is discussed in the 
ITCZ/monsoon trough section below.

The axis of a tropical wave is near 111W north of 05N, moving 
westward at 15 kt. Nearby convection is discussed in the 
ITCZ/monsoon trough section below.

The axis of a tropical wave is near 121W from 06N to 21N, moving
westward at around 10 to 15 kt. Nearby convection is discussed 
in the ITCZ/monsoon trough section below. 
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

The monsoon trough extends from 09.5N85W to 10N102W to 13N114W 
to 10N122W. The ITCZ continues from 10N122W to 06N140W. 
Scattered moderate and isolated strong convection is noted from 
08N to 16N between 98W and 123W. 

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

Fresh to locally strong winds are over the Gulf of Tehuantepec,
with moderate winds elsewhere south of southern Mexico. Gentle 
to moderate winds are west of Baja California Norte. Light to 
gentle winds are elsewhere across the discussion waters. Seas are
in the 4-6 ft range over the open waters off Mexico, and 1-3 ft 
in the Gulf of California. 

For the forecast, fresh to strong winds in the Gulf of 
Tehuantepec will diminish slightly this morning. Winds are 
forecast to strengthen in the northern Gulf of California Thu 
through Fri night. Moderate to fresh winds will be offshore Baja 
California Norte through Thu night, locally strong Wed night just
S of Punta Baja. Mainly gentle to moderate winds will prevail 
elsewhere. Moderate seas will prevail across the open waters over
the next several days. 

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

Moderate to fresh winds are over and downstream of the Gulf of 
Papagayo. Light to gentle winds are elsewhere N of 04N. S of 
04N, gentle to moderate winds prevail. Seas are in the 4-6 ft 
range, reaching 7 ft between Ecuador and the Galapagos Islands.

For the forecast, moderate to fresh winds in the Gulf of 
Papagayo will diminish today, pulsing to moderate thereafter. 
Gentle to moderate winds will prevail between Ecuador and the 
Galapagos Islands. Elsewhere, light to gentle winds will prevail.
Moderate seas in S to SW swell will prevail over the regional 
waters during the period, building to rough S of the Galapagos 
Islands by the end of the week. 

...REMAINDER OF THE AREA...

High pressure prevails over the waters north of 20N. Gentle to 
moderate winds prevail across the discussion waters. Seas are 
mainly 4-6 ft across the open waters, except to 7 ft S of 17N and
W of 130W, as well as elsewhere S of 02N and W of 105W.

For the forecast, cross equatorial, rough southerly swell will 
move into and cover the waters S of 06N and W of 100W through 
the end of the week, with a reinforcing set this weekend. Seas 
may build to near 8 ft in fresh N swell along 30N between 120W 
and 130W at the end of the week into the weekend. Winds will 
freshen S of the ITCZ today, persisting into the weekend. 

$$
AL