000
AXPZ20 KNHC 232127
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
2205 UTC Sat Apr 23 2022

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
2130 UTC.

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

A surface trough extends from the Costa Rica coast at 09N84W
across 08N97W to 09N111W. An ITCZ continues from 09N111W through
06N125W to beyond 03N140W. Scattered moderate convection is seen
from 04N to 12N between 101W and 120W. Scattered moderate to 
isolated strong convection is noted from 03N to 07N between 121W 
and 140W.

OFFSHORE WATERS WITHIN 250 NM OF MEXICO

A surface ridge continues to dominate the offshore waters of 
Baja California and central Mexico. The pressure gradient 
between the ridge and relatively lower pressures over Mexico is 
supporting fresh NW to N winds along with 8 to 12 ft seas in
long-period NW swell across the waters W and SW of the Baja 
California peninsula. Light and variable winds with 5 to 6 ft 
seas in S swell are over the S Mexico offshore waters. Gentle to 
moderate winds with seas at 1 to 3 ft are present in the Gulf of
California. Patchy haze is possible offshore from central and S 
Mexico due to nearby persistent agricultural fires.

For the forecast, fresh NW to N winds will persist offshore W of
Baja California through late Sun afternoon before gradually 
subsiding to between gentle and moderate by Mon morning. Long- 
period NW swell will sustain seas of 9 to 12 ft W and SW of Baja 
California through early Sun morning, then slowly subside through
Mon. Strong to near-gale N winds are expected in the Gulf of 
Tehuantepec region Tue night through Thu.

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

Gentle to moderate S to WSW winds exist over the waters between 
Ecuador and the Galapagos Islands, and offshore waters of Costa 
Rica and Panama. Seas of 5 to 7 ft in southerly swell prevail
across all offshore waters. Patchy haze is possible offshore of 
Guatemala and El Salvador due to nearby persistent agricultural 
fires.

For the forecast, periodic showers and thunderstorms will 
continue to impact offshore waters of Costa Rica, Panama and 
Colombia through Mon morning. Fresh easterly winds are probable 
near the Papagayo region and Offshore Nicaragua near midweek next
week. Long-period moderate S to SW swell will persist across the
region through most of next week. 

REMAINDER OF THE AREA

A broad surface ridge reaches southeastward from a 1032 mb high 
off the S California coast to off the central Mexican coast near
14N111W. This feature is supporting moderate to fresh N to NE
winds N of 05N between 128W and 140W, and N of 10N between 118W
and 128W. Under the influence of long-period NW swell, seas in 
both areas are 8 to 11 ft, except the NW corner which are 6 to 8 
ft. Gentle to moderate winds with 5 to 7 ft seas in southerly
swell are found elsewhere.

For the forecast, the long-period NW swell will continue to 
propagate southeastward across the basin through Sun, and begin 
to subside on Mon. Seas of 8 to 12 ft will linger N of 5N W of
105W through Sun night before diminishing Mon. The southerly
swell should sustain 5 to 7 ft seas across the remainder of the 
basin through most of next week.

$$

Chan