000 AXPZ20 KNHC 292105 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2105 UTC Wed Mar 29 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 1800 UTC surface analysis and satellite imagery through 2100 UTC. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough axis extends from 09N85W to 04N100W, then transforms into an intertropical convergence zone extending to 01N130W. Scattered moderate convection is within 30 nm either side of the trough between 85W and 95W. ...DISCUSSION... OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A ridge extends from 1030 mb high pressure centered near 32N135W southeastward to the Revillagigedo Islands. Gentle to moderate breezes will persist off the Baja California peninsula into Friday, then increase off Baja California Norte late Friday through Saturday in the wake of a weak front moving eastward across the region. Winds will diminish through early next week thereafter as high pressure builds over the area. Seas will remain 8 to 9 ft in northwest swell off the entire Baja California coastline through Thursday, before decaying below 8 ft off Baja California Sur. Swell will remain 7 to 9 ft off Baja California Norte however through the period. The passing cold front will support a brief round of strong northwest winds and near gale westerly gap winds over the far northern Gulf of California Thursday night into Friday. Elsewhere gentle to moderate northwest flow will persist across the Gulf of California through the period. Light to gentle winds will prevail elsewhere through the rest of the week. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Gap wind events are not expected to be very significant the next few several across the Central American coastal and offshore waters. Light to gentle winds and 3-5 ft seas are expected to prevail over the forecast waters the next several days. REMAINDER OF THE AREA... Strong 1030 mb high pressure located north of area near 32N135W dominates the forecast waters north of 20N. The pressure gradient between the high and lower pressure near the equator is supporting fresh trade winds from roughly 12N to 20N west of 135W. Seas in this area are 8 to 11 ft, in a mix of long period northwest swell and shorter period northeast wind waves. The aerial extent of the trades will diminish through Thursday as the high moves west and weakens slightly. Marine conditions over the forecast region will change little during the next few days under the influence of this broad ridge. Looking ahead, high pressure will strengthen late in the upcoming weekend with a belt of fresh to strong northeast winds developing around it across the northwest and north central waters Sunday. $$ CHRISTENSEN