NHC Eastern Pacific Tropical Weather Discussion
Wed Jan 14 10:49 pm
000
AXPZ20 KNHC 150349
TWDEP
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0405 UTC Thu Jan 15 2026
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
0330 UTC.
...SPECIAL FEATURES...
Gulf of Tehuantepec Gale Warning:
A recent scatterometer passshows N to NE winds of 20 to 25 kt
across the Tehuantepec region and downwind to around 13N with
seas to 8 ft. Conditions will slightly improve tonight but a new
gap wind event reaching strong gale force is expected by Thu
morning with seas quickly building to near 15 ft. High pressure
building across the eastern slopes of the Sierra Madre mountains
in Mexico in the wake of another cold front moving through the
Gulf of America tonight and Thu will support this gap wind event.
Winds are forecast to peak at 40 to 45 kt Thursday afternoon
through Thu night. Rough to very rough seas up to 17 or 18 ft are
expected with this event. Seas generated from this event will
spread well away from the Tehuantepec area, with seas 8 ft or
greater reaching as far west as 105W. Marine interests transiting
across the Gulf of Tehuantepec this weekend should be aware of
this gap wind event, and take the necessary action to avoid
hazardous marine conditions over the affected waters. Gale
conditions will likely continue through Fri morning.
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...
The monsoon trough extends from 08N83.5W to 08N105W to 07N123W.
The ITCZ continues from 07N123W to 09N104W. Numerous moderate
convection is noted from 05N to 15N between 93W and 120W.
...OFFSHORE WATERS WITHIN 250 NM OF MEXICO...
A Gale Warning is in effect for the Tehuantepec region. Refer to
the Special Features section above for more details.
A ridge dominates the offshore forecast waters of Baja California
producing light to gentle NW to N winds with seas of 5 to 7 ft
in NW swell. Moderate to fresh NW winds over the central and
southern Gulf of California, including the vicinity of San Jose
del Cabo with seas of 3 to 5 ft. Gentle to moderate winds and
slight to moderate seas prevail elsewehre across the Gulf of
California. Moderate to fresh NW winds and moderate seas are also
noted near Cabo Corrientes. Outside of the Tehuantepec area,
light to gentle winds and moderate seas in NW swell prevail
elsewhere across the Mexican offshore waters.
For the forecast, a new gap wind event reaching strong gale
force is expected in the Tehunatepec region by Thu morning with
seas quickly building to near 15 ft. High pressure building
across the eastern slopes of the Sierra Madre mountains in
Mexico, in the wake of another cold front moving through the Gulf
of America tonight and Thu will support this gap wind event.
Winds are forecast to peak at 40 to 45 kt Thursday afternoon
through Thu night. Rough to very rough seas up to 17 or 18 ft are
AXPZ20 KNHC 150349
TWDEP
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0405 UTC Thu Jan 15 2026
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
0330 UTC.
...SPECIAL FEATURES...
Gulf of Tehuantepec Gale Warning:
A recent scatterometer passshows N to NE winds of 20 to 25 kt
across the Tehuantepec region and downwind to around 13N with
seas to 8 ft. Conditions will slightly improve tonight but a new
gap wind event reaching strong gale force is expected by Thu
morning with seas quickly building to near 15 ft. High pressure
building across the eastern slopes of the Sierra Madre mountains
in Mexico in the wake of another cold front moving through the
Gulf of America tonight and Thu will support this gap wind event.
Winds are forecast to peak at 40 to 45 kt Thursday afternoon
through Thu night. Rough to very rough seas up to 17 or 18 ft are
expected with this event. Seas generated from this event will
spread well away from the Tehuantepec area, with seas 8 ft or
greater reaching as far west as 105W. Marine interests transiting
across the Gulf of Tehuantepec this weekend should be aware of
this gap wind event, and take the necessary action to avoid
hazardous marine conditions over the affected waters. Gale
conditions will likely continue through Fri morning.
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...
The monsoon trough extends from 08N83.5W to 08N105W to 07N123W.
The ITCZ continues from 07N123W to 09N104W. Numerous moderate
convection is noted from 05N to 15N between 93W and 120W.
...OFFSHORE WATERS WITHIN 250 NM OF MEXICO...
A Gale Warning is in effect for the Tehuantepec region. Refer to
the Special Features section above for more details.
A ridge dominates the offshore forecast waters of Baja California
producing light to gentle NW to N winds with seas of 5 to 7 ft
in NW swell. Moderate to fresh NW winds over the central and
southern Gulf of California, including the vicinity of San Jose
del Cabo with seas of 3 to 5 ft. Gentle to moderate winds and
slight to moderate seas prevail elsewehre across the Gulf of
California. Moderate to fresh NW winds and moderate seas are also
noted near Cabo Corrientes. Outside of the Tehuantepec area,
light to gentle winds and moderate seas in NW swell prevail
elsewhere across the Mexican offshore waters.
For the forecast, a new gap wind event reaching strong gale
force is expected in the Tehunatepec region by Thu morning with
seas quickly building to near 15 ft. High pressure building
across the eastern slopes of the Sierra Madre mountains in
Mexico, in the wake of another cold front moving through the Gulf
of America tonight and Thu will support this gap wind event.
Winds are forecast to peak at 40 to 45 kt Thursday afternoon
through Thu night. Rough to very rough seas up to 17 or 18 ft are