000
AXPZ20 KNHC 160902
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
606 UTC Tue May 16 2017

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 0600 UTC surface analysis and satellite imagery through
0900 UTC.

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

The monsoon trough extends from 15N92W to 14N97W to 06N106W. The
ITCZ extends from 06N106W to beyond 05N140W. Scattered moderate 
isolated strong convection is noted from 10N to 13N between 100W 
and 103W. Scattered moderate convection is noted within 90 nm 
north of the ITCZ west of 130W.

...DISCUSSION...   

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

Strong to near gale winds prevail over the far northern Gulf of
California with light to gentle winds over the remainder of the
Gulf of California. Moderate to fresh winds prevail off the coast
of Baja California with gentle to moderate winds prevailing
elsewhere. Seas are in the 7-8 ft range off the coast of Baja
California Norte, 6-7 ft off the coast of Baja California Sur,
4-6 ft elsewhere over the open waters off the southwest coast of
Mexico, and 1-3 ft over the Gulf of California. Winds will
diminish to 20 kt or less over the far northern Gulf of
California today. Northwesterly swell will briefly subside below
8 ft Wednesday off the coast of Baja California Norte before
another set of northerly swell propagates into the area
increasing seas to 8 ft or greater Thursday and Friday. Winds and
seas will remain below advisory criteria elsewhere. 

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

Gentle to moderate winds prevail over the forecast waters west of
Ecuador. Light to gentle winds prevail elsewhere. Seas are in the
3-6 ft range. Long period cross equatorial southwesterly swell will
propagate into the southern forecast waters later this week. 
Seas to build to near 8 ft off the coast of Ecuador Friday.

REMAINDER OF THE AREA... 

High pressure of 1033 mb centered NW of the forecast area near 
35N144W extends a ridge southeast to near the Revillagigedo 
Islands. Moderate to fresh trades prevail between the ridge and 
ITCZ to the west of 120W. Seas in the trade-wind belt generally 
range from 6 to 8 ft. Moderate to fresh winds will prevail
through the week while seas slowly subside.

$$
AL