000
AXPZ20 KNHC 281441
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1605 UTC Sat Jan 28 2023

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 1200 UTC surface analysis and satellite imagery through
1430 UTC.

...SPECIAL FEATURES...

Gulf of Tehuantepec Gale Warning: Gale force northerly winds 
funneling through the Chivela Pass into the Gulf of Tehuantepec
will diminish early today. Seas to 13 ft will subside gradually
as the winds diminish. Please read the latest NWS High Seas 
Forecast issued by the National Hurricane Center at website 
https://www.nhc.noaa.gov/MIAHSFEP2.shtml for more details.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

The monsoon trough extends from 08N78W to 06N92W to 03N100W. 
The ITCZ extends from 03N100W to 04N140W. Scattered moderate 
convection is noted from 04N to 07N between 94W and 103W, and
from 03N to 10N between 130W and 140W. 

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

Please see the Special Features section for information on an
ongoing gale force gap wind event in the Gulf of Tehuantepec. 

Aside from the Gulf of Tehuantepec, gentle to moderate winds are
noted off Baja California Norte, with light to gentle winds
elsewhere. Seas are in the 5-7 ft range over the open waters off
Mexico, and 1-3 ft over the Gulf of California. 

For the forecast, gale force winds in the Gulf of Tehuantepec will
diminish early today. NW moderate to fresh winds are forecast to
develop across the SW Mexican offshore waters late this 
afternoon and prevail in the Jalisco offshores through Mon 
morning. A cold front will move across the Baja California Norte
region enhancing winds and seas N of Punta Eugenia late this
weekend through Tue.

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

Strong to near gale force NE-E gap winds prevail across the Gulf
of Papagayo region and Nicaragua offshore waters along with seas
of 8 to 12 ft. The strong winds reaches as far west as 93W. 
Moderate to locally strong winds and seas of 8-10 ft associated 
with both the Papagayo and Tehuantepec gap wind events are 
affecting the Guatemala and El Salvador offshore waters. 
Fresh to strong N to NE winds, and seas to 8 ft, are across the 
Gulf of Panama. Elsewhere, light to gentle winds and seas to 6 
ft in SW swell prevail.

For the forecast, strong to occasionally near gale force NE 
winds over the Gulf of Papagayo region will prevail through the 
middle of next week. Strong N to NE winds in the Gulf of Panama 
will diminish to fresh speeds Sun evening and to moderate speeds 
Thu. Swell generated from the gale force gap wind event in the 
Gulf of Tehuantepec across the El Salvador and Guatemala offshore
waters will subside this weekend. 

REMAINDER OF THE AREA...

Surface ridging prevails across the waters of 20N. The pressure
gradient between this area of high pressure and lower pressure in
the vicinity of the ITCZ is supporting moderate to fresh winds N
of the ITCZ and W of 125W. Seas over this area are in the 8-9 ft
range in a mix of NW swell and NE wind waves. Gentle to moderate
winds and seas of 6-7 ft prevail elsewhere across the discussion
waters.

For the forecast, NW swell will slowly subside through the 
weekend. A new set of NW swell propagate into the waters south 
of 30N Sun night into Mon. The moderate to fresh tradewinds will
continue through the middle of next week.

$$
AL