000 AXPZ20 KNHC 292203 RRA TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Fri Nov 29 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 1800 UTC surface analysis and satellite imagery through 2030 UTC. .TROPICAL WAVES... A tropical wave is along 84W/85W, from 15N southward, moving westward 10 to 15 knots. Precipitation: isolated moderate to locally strong is within 210 nm on either side of the tropical wave from 05N to 10N. A tropical wave is along 99W/100W, from 14N southward, moving westward 10 to 15 knots. A 1010 mb low pressure center is along the tropical wave near 08N. Precipitation: scattered moderate to strong is within 180 nm to 360 nm to the west of the tropical wave, and within 240 nm to the north of the monsoon trough, between the tropical wave and 106W. Isolated moderate to locally strong is elsewhere within 100 nm on either side of the monsoon trough between the tropical wave and 110W. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough passes through Panama near 08N78W, to 09N85W, to a 1010 mb low pressure center that is near 08N along the 99W/100W tropical wave, to a 1014 mb low pressure center that is near 11N115W. The ITCZ continues from the 1014 mb low pressure center, to 08N124W, beyond 09N140W. A surface trough extends from the 1014 mb low pressure center to 17N111W and to 22N106W. Precipitation: Isolated moderate to locally strong within 90 nm on either side of the monsoon trough from 96W eastward. Widely scattered moderate to isolated strong is within 120 nm of the 1014 mb low pressure center in the NW quadrant. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A cold front passes through mainland Mexico near 28N111W, across the Baja California Peninsula near 26N112W, to 20N123W, to 19N130W, and 20N136W. The cold front will shift southward with time. The front will reach the southern part of the Gulf of California and Baja California Sur on Saturday, where it will stall and dissipate. Strong to near gale-force winds that have been in the northern Gulf of California during the day today, will diminish tonight. NW swell will continue to impact the waters W of Baja California, with seas 8 feet or greater through Saturday. Another set of NW swell will move into the waters off Baja California Norte early on Monday. This swell will spread southward, with seas 8 feet or greater covering the waters west of the Baja California peninsula by Tuesday. The Gulf of Tehuantepec: fresh northerly gap winds will pulse to 20 to 25 knots each night through early Saturday, and then again on Sunday night. Gale-force winds will be possible on Monday night. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh to occasionally strong NE to E winds will pulse across and downstream from the Gulf of Papagayo through Tuesday. Gentle to moderate S to SW monsoon flow will persist across the offshore waters of Costa Rica, Panama, Colombia, and Ecuador, during the next several days, along with moderate long period SW swell. REMAINDER OF THE AREA... The current 28N111W-to-20N136W cold front has ushered in a set of large long period NW swell, with seas to 14 ft N of 27N between 115W and 130W. A second cold front will move into the NW waters tonight. The second cold front will being with it reinforcing large long period NW swell. The swell is expected to peak near 22 feet in the far NW waters by Sunday afternoon. It is likely that the sea heights of 8 feet or greater may cover much of the forecast waters N of 10N and W of 115W through the weekend and into early next week. $$ mt