223 
AXPZ20 KNHC 260823
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1005 UTC Sun Dec 26 2021

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
0840 UTC.

...SPECIAL FEATURES...

A 1008 mb low pressure is located near 16N138W. The pressure 
gradient between the low and the high pressure north of the area 
is supporting the strong to near gale force winds in the northern
semicircle of the low with seas 8 to 12 ft. The strong to near 
gale- force winds will prevail through late Mon night, mainly 
north of 20N and west of 130W. Gale- force winds are forecast to 
develop this morning, and persist through Mon morning, in the 
vicinity of 22N-25N and west of 139W. Seas will build near 16 ft 
during the period of gale- force winds. Please see the 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 09N84W to 09N87W to 07N93W to 
07N102W. The ITCZ continues from 07N102W to 07N120W to 08N130W. 
No significant convection is associated to these features. 

OFFSHORE WATERS WITHIN 250 NM OF MEXICO

Fresh to strong winds prevail over the northern Gulf of
California. Gentle to moderate winds prevail west of the Baja 
California peninsula. Light to gentle are noted winds elsewhere.
Seas are in the 5-7 ft range west of Baja California, and are in
the 3-5 ft range elsewhere across the open waters off Mexico. 
Seas of 3-5 ft are noted over the northern Gulf of California
with seas of 1-3 ft elsewhere across the Gulf of California.

For the forecast, a weak cold front will reach Baja California 
Norte early today before dissipating by Mon. In advance of this 
front, strong SW gap winds will prevail in the northern Gulf of 
California through early today. Another cold front will approach 
Baja California Norte on Mon, bringing strong SW winds to the 
northern Gulf of California once again Mon night into Tue. Swell 
reaching 8-9 ft from these two fronts will linger west of Baja 
California Norte from Sun through Mon night. 

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

Fresh to strong gap winds continues over the Gulf of Papagayo. 
Moderate to locally fresh N winds are pulsing over the Gulf of 
Panama. Light to gentle winds prevail elsewhere. Seas are in the 
4-5 ft range offshore the Gulf of Papagayo and 3-5 ft elsewhere.

For the forecast, fresh to strong gap winds will pulse over the
Papagayo region through Mon night. Moderate to locally fresh N
winds will pulse at night in the Gulf of Panama through Mon.
Gentle to locally moderate breezes will persist elsewhere. 

REMAINDER OF THE AREA...

Please see above for more on a gale warning over the western 
waters.

Gentle to moderate winds are noted across the region outside of
the low pressure system described above in the special features
section. A set of NW swell continues across the region N of 15N 
and W of 120W with seas in the 7-10 ft range. Seas of 4-6 ft 
prevail elsewhere.

For the forecast, aside from the gale conditions expected today,  
the NW swell will continue to prevail across the waters north of 
15N and west of 120W through Mon before subsiding through Tue.

$$
AL