NHC Eastern Pacific Tropical Weather Discussion
Fri Apr 17 3:42 am
024
AXPZ20 KNHC 170742
TWDEP
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1005 UTC Fri Apr 17 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 0600 UTC surface analysis and satellite imagery through
0730 UTC.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A surface trough extends from coastal Panama near 09N79W to
05N100W. The ITCZ begins at 05N100W to a 1012 mb low near
06N111W, then beyond 05N140W. Scattered moderate and isolated
strong convection is occurring from 03N-08N between 90W-135W.
A Southern Hemisphere ITCZ extends from 04S93W to 03S140W.
Isolated moderate convection is observed from 03S-08S between
85W-89W.
...OFFSHORE WATERS WITHIN 250 NM OF MEXICO...
A surface ridge extends from 30N125W to 20N117W to 15N108W. NW
winds west of the Baja California peninsula are moderate to
fresh. Winds are SW fresh to locally strong in the N Gulf of
California. Elsewhere over the Pacific and the Gulf of
California, winds are moderate or weaker. Seas are 5-7 ft in NW
swell over the Pacific NW of Cabo Corrientes, 5-6 ft in S swell
over the Pacific SE of Cabo Corrientes, 2-4 ft over the N Gulf of
California, and 1-2 ft over the S and central Gulf of
California. No deep convection is occurring over the Mexican
offshore waters.
For the forecast, fresh NW winds will occur near Cabo San Lucas
through tonight. Additionally, large NW swell will impact the
Pacific waters west of Baja California Norte today through Sat.
Elsewhere, quiescent conditions will remain over the Mexican
offshores through the weekend. Looking ahead, high pressure
building over the Gulf of America is expected to induce a strong
to near gale Tehuantepec gap wind event beginning Sun night into
Tue.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
Fresh E winds are occurring over the Gulf of Papagayo region this
evening. Elsewhere, winds across the Central American and
equatorial waters are moderate or weaker. Seas over forecast
waters are 5-6 ft in S swell. Isolated moderate convection is
observed from 03S-08S between 85W-89W. near the Galapagos
Islands.
For the forecast, rather tranquil conditions are expected to
remain over the Central American and the equatorial waters
through early next week.
...REMAINDER OF THE AREA...
A surface ridge extends from 30N125W to 20N117W to 15N108W. The
weak pressure gradient between the ridge and lower pressure over
the ITCZ is forcing only moderate to locally fresh NE trades over
forecast waters. Seas are 5-7 ft in mixed swell. No additional
deep convection is occurring away from the surface trough/ITCZ.
For the forecast, little change is expected in the winds during
the next few days. Large NW swell will impact waters north of
28N and east of 125W today through Fri night. Otherwise, little
change in the seas are also expected through the weekend. Looking
ahead, a cold front will reach our NW corner at 30N140W early on
Sun. The frontal boundary should move eastward while gradually
weakening, accompanied by large N to NW swell. The large N to
AXPZ20 KNHC 170742
TWDEP
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1005 UTC Fri Apr 17 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 0600 UTC surface analysis and satellite imagery through
0730 UTC.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A surface trough extends from coastal Panama near 09N79W to
05N100W. The ITCZ begins at 05N100W to a 1012 mb low near
06N111W, then beyond 05N140W. Scattered moderate and isolated
strong convection is occurring from 03N-08N between 90W-135W.
A Southern Hemisphere ITCZ extends from 04S93W to 03S140W.
Isolated moderate convection is observed from 03S-08S between
85W-89W.
...OFFSHORE WATERS WITHIN 250 NM OF MEXICO...
A surface ridge extends from 30N125W to 20N117W to 15N108W. NW
winds west of the Baja California peninsula are moderate to
fresh. Winds are SW fresh to locally strong in the N Gulf of
California. Elsewhere over the Pacific and the Gulf of
California, winds are moderate or weaker. Seas are 5-7 ft in NW
swell over the Pacific NW of Cabo Corrientes, 5-6 ft in S swell
over the Pacific SE of Cabo Corrientes, 2-4 ft over the N Gulf of
California, and 1-2 ft over the S and central Gulf of
California. No deep convection is occurring over the Mexican
offshore waters.
For the forecast, fresh NW winds will occur near Cabo San Lucas
through tonight. Additionally, large NW swell will impact the
Pacific waters west of Baja California Norte today through Sat.
Elsewhere, quiescent conditions will remain over the Mexican
offshores through the weekend. Looking ahead, high pressure
building over the Gulf of America is expected to induce a strong
to near gale Tehuantepec gap wind event beginning Sun night into
Tue.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
Fresh E winds are occurring over the Gulf of Papagayo region this
evening. Elsewhere, winds across the Central American and
equatorial waters are moderate or weaker. Seas over forecast
waters are 5-6 ft in S swell. Isolated moderate convection is
observed from 03S-08S between 85W-89W. near the Galapagos
Islands.
For the forecast, rather tranquil conditions are expected to
remain over the Central American and the equatorial waters
through early next week.
...REMAINDER OF THE AREA...
A surface ridge extends from 30N125W to 20N117W to 15N108W. The
weak pressure gradient between the ridge and lower pressure over
the ITCZ is forcing only moderate to locally fresh NE trades over
forecast waters. Seas are 5-7 ft in mixed swell. No additional
deep convection is occurring away from the surface trough/ITCZ.
For the forecast, little change is expected in the winds during
the next few days. Large NW swell will impact waters north of
28N and east of 125W today through Fri night. Otherwise, little
change in the seas are also expected through the weekend. Looking
ahead, a cold front will reach our NW corner at 30N140W early on
Sun. The frontal boundary should move eastward while gradually
weakening, accompanied by large N to NW swell. The large N to