000 AXPZ20 KNHC 060147 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Sun May 5 2019 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 0000 UTC surface analysis and satellite imagery through 0145 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A trough axis extends from near 09N85W to 06N100W. The intertropical convergence zone axis continues from 06N100W to 06N120W to 05N130W to 06N140W. Scattered moderate and isolated strong convection is from 03N to 06N between 101W and 106W. Scattered moderate convection is from 03N to 05N between 111W and 115W. ...DISCUSSION... OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Gulf of California: Light and variable winds will prevail over the Gulf of California during the next several days, except for in the northern Gulf where fresh to near gale force SW to W gap winds will pulse in the northern Gulf of California through the week, with the strongest winds Thu night. A dissipating cold front extending from offshore of San Diego, California to 26N123W will completely wash out overnight tonight. Another weak cold front will approach Baja California Norte by the end of the week with little impact. Otherwise, high pressure ridging from NW of the area will prevail with moderate to occasionally fresh winds W and NW of Cabo Corrientes, and gentle to moderate winds S and SE of Cabo Corrientes. Seas will be mainly 4 to 7 ft. Ongoing agricultural burning in SE Mexico and Central America continues, however, associated smoke and haze has diminished somewhat as have impacts to visibility. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Ongoing agricultural burning in SE Mexico and Central America continues, however, associated smoke and haze has diminished somewhat as have impacts to visibility. Gulf of Papagayo: Offshore winds will occasionally pulse to fresh during the overnight and early morning hours. Light to gentle onshore winds with seas in the 4 to 6 ft range will continue elsewhere through Thu night. A significant SW swell event will move into the Ecuador offshore waters by Thu night. Seas will build to 7 to 10 ft with wave period around 20 seconds. This swell will spread to the coasts of northern South America and Central America resulting in potentially dangerous surf conditions through the end of the week. REMAINDER OF THE AREA... High pressure is building in from the NW in the wake of a dissipating cold front that is approaching Baja California. Moderate to occasionally fresh trades will prevail through the week under ridging. A small area of 7 to 8 ft seas in mixed swell is just N of the ITCZ and W of 130W. This swell will decay through tonight. Otherwise, mainly 4 to 7 ft seas will prevail N of the ITCZ through the week. A significant SW swell event will move into the south-central waters by Thu night, spreading northward through the end of the week. Seas will be 7 to 10 ft. $$ Lewitsky