000
AXPZ20 KNHC 102343 CCA
TWDEP
Tropical Weather Discussion...Corrected
NWS National Hurricane Center Miami FL
2205 UTC Sun May 10 2026
Corrected Offshore Waters Within 250 nm of Mexico section
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 1800 UTC surface analysis and satellite imagery through
2145 UTC.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
The monsoon trough axis extends from low pressure in northwest
Colombia southwestward to 07N78W to 06N82W to 07N90W to 09N100W
to 08N110W to 07N118W to low pressure near 08N125W 1011 mb to
07N130W, where it transitions to the ITCZ to low pressure near
07N135W 1011 mb and to 06N140W. Numerous moderate to isolated
strong convection is from 03N to 07N between 78W-83W. Scattered
moderate to isolated strong convection is seen from 03N to 08N
between 83W-88W. Scattered moderate convection is within 180 nm
south of the trough between 88W-90W, within 120 nm south of the
trough between 91W-94W, and within 60 nm north of the ITCZ
between 122W-126W.
...OFFSHORE WATERS WITHIN 250 NM OF MEXICO...Corrected
Gentle to moderate northwest to north winds continue across the
waters of Baja California per latest scatterometer satellite data
due to the pressure gradient between a broad ridge west of the area
and relatively lower pressure in the Baja California region. Seas
with these winds are mostly 5 to 7 ft in northwest swell, except to
8 ft between 30N and Punta Eugenia. Light to gentle northerly winds
prevail from Baja Sur and Cabo San Lucas southward beyond the
Revillagigedo Islands and Cabo Corrientes to near 17N, where seas
are 5 to 6 ft primarily in long-period southwest swell. Winds inside
the Gulf of California are generally at gentle speeds, at times
south to southwest in direction in the central and southern portions
and mostly variable in direction in the northern portion. Seas are 1
to 2 ft in the Gulf, except for slightly higher seas of 3 to 5 ft in
long-period southwest swell in the southern portion. Gentle winds
prevail elsewhere to the southeast and south of the Gulf as seen in
the most recent scatterometer satellite data pass. Seas are of
moderate state primarily from a southwest swell component, mixing
with a northwest swell component west of about 109.5W.
Scattered showers and isolated thunderstorms are over the outer
waters beyond 90 nm of the coast from Oaxaca to Guerrero.
For the forecast, the broad ridge west of the area will support
moderate to fresh northwest to north winds off Baja California
Norte this evening. Mostly moderate seas in northwest swell will
continue over these waters through the period, except for rough
seas to 8 ft over the waters north through northwest of Isla
Guadalupe tonight. The high pressure will weaken and drift
northward Mon through the middle part of the week, allowing for
generally gentle to moderate winds across the Baja waters. A new
area of high pressure will build southeastward across the region
Wed night through Thu night, leading to mostly fresh northwest to
north winds across the Baja waters. Looking ahead, fresh to
strong gap winds will return to Tehuantepec Mon night, then
become strong to near gale-force winds Tue through Wed night as
the gradient tightens over southeastern Mexico between modest
ridging that builds over the western Gulf of America in the wake
of cold front and weak low pressure over the Bay of Campeche.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND
WITHIN 750 NM OF ECUADOR...
The most recent scatterometer satellite data indicates mostly light
to gentle winds over the offshore waters of Central America and
southward to Ecuador, with fresh to strong east gap winds across the
Papagayo region extending to near 88W as revealed in the
scatterometer data. Mostly moderate north winds are downwind from
the Gulf of Panama from 05N to 07N between 79W and 80W, and light to
gentle variable winds are north of 04N between the coast of Colombia
and 79W. Combined seas over these waters are 5 to 7 ft, except for
higher seas of 7 to 8 ft in long-period southwest swell present
south 02S and east of about 100W to near the coast of Peru as noted
in recent altimeter satellite data passes. Mostly moderate north
winds are downwind from the Gulf of Panama from 05N to 07N between
79W and 80W, and light to gentle variable winds are north of 04N
between the coast of Colombia and 79W. Combined seas over these
waters are 5 to 7 ft, except for higher seas of 7 to 8 ft in long-
period southwest swell present south 02S and east of about 100W to
near the coast of Peru as noted in recent altimeter satellite data
passes.
Scattered moderate to strong convection is seen near the
monsoon trough from the southeast Gulf of Panama westward across
the outer waters to near 90W. This activity has changed little
during the day.
For the forecast, fresh to strong easterly gap winds will pulse
to mostly fresh to strong speeds at night across the Papagayo
region through Thu, then at fresh speeds Fri. Elsewhere, gentle
to moderate winds and moderate seas in southerly swell are
expected through the week.
...REMAINDER OF THE AREA...
High pressure of 1025 mb is centered north of the area near 31N133W.
The pressure gradient between the high pressure and relatively lower
pressure in the vicinity of the ITCZ is generally maintaining
moderate to fresh trades from 09N to 24N west of 126W, and from 10N
to 17N between 117W and 126W. Seas of 6 to 8 ft in mixed northwest
and east swell are over this area south of 21N and west of about
122W. Gentle to moderate winds along with seas of about 5 to 7 ft
are elsewhere north of about 11N per latest altimeter satellite data
passes, and a couple of SoFar Ocean Spotter buoy reports from the
northwest portion of the area. Convection over this area is
associated to the monsoon trough and ITCZ as described above under
the Monsoon Trough/ITCZ section.
For the forecast, the ridge will change little across the region
tonight, then begin to weaken and drift northward Mon through
Tue. The associated weakened pressure gradient will support
moderate trades, fresh at times, north of the ITCZ to about 22N
and west of 120W Sun through early next week, with seas of 7 to 8
ft across this area. Mainly gentle to moderate winds and
moderate seas will prevail elsewhere during the upcoming week.
Rough seas to 8 ft in southerly swell will begin to impact a
portion of the far south-central waters and the waters just south
of the Galapagos Islands beginning tonight, spreading eastward
in coverage into Mon before decaying later on Mon and into Tue.
$$
Aguirre