000
AXPZ20 KNHC 291614
TWDEP 

Tropical Weather Discussion 
NWS National Hurricane Center Miami FL
1605 UTC Sun Apr 29 2018 

Tropical Weather Discussion for the eastern Pacific Ocean from 
the Equator to 32N, east of 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 
1545 UTC.
  
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

A surface trough extends southwest from the Pacific coast of 
Costa Rica at 10N85W to 07N100W where scatterometer winds 
indicate that an ITCZ develops and continues northwest to 
09N1110w, then turns southwest to beyond 05N140W. Scattered 
moderate and isolated strong convection is noted within an area 
bounded by a line from 03N78W to 05N140W to 10N140W to 12N111W 
to 16N90W to 05N140W. 

...DISCUSSION...

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

A northwest to southeast ridge currently just seaward of 250 nm will 
shift east to a position from 22.5N116W to 16N103W on Mon where it 
will meander through at the least the middle of the week. Fresh 
northwest flow currently observed across the open waters N of 25N 
west of the Baja Peninsula, will diminish to a moderate to locally 
fresh northwest breeze on Mon, and further diminish to moderate 
northerly breeze by mid week as the associated seas subside to less 
than 8 ft by late Wed. 

Gulf of California:  Light to gentle southerly winds forecast are 
expected to increase to a fresh to strong southwest breeze along 30N 
on Mon evening and then continue through Tue night, with seas 
building to a maximum of 8 ft near 30.5N113W.   

Gulf of Tehuantepec: The next strong event may begin late Sat. 

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

Gulf of Papagayo: Moderate to locally fresh northeast nocturnal 
winds are expected though tonight, with fresh to locally strong 
nocturnal drainage flow then forecast on Mon and Tue nights.
  
Gulf of Panama: Gentle to moderate nocturnal flow is forecast for 
the next several nights.

Elsewhere, light to gentle winds will prevail through Mon, 
accompanied by 3 to 6 ft seas.

REMAINDER OF THE AREA...
   
A ridge extends from 32N138W to 13N102W. Fresh trades, and 6 to 8 ft 
seas will continue between the ridge and the ITCZ through Thu.
   
$$
Nelson