000 AXPZ20 KNHC 112204 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 2205 UTC Fri Mar 11 2022 Tropical Weather Discussion for the eastern Pacific Ocean from 03.4S to 30N, east of 120W including the Gulf of California, and from the Equator to 30N, between 120W and 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 2150 UTC. ...Special Features... Gulf of Tehuantepec storm warning: A strong cold front will move across the Gulf of Mexico tonight through Sat night. Northerly winds following the front will funnel across the Chivela Pass, leading to the development of storm-force gap winds in the Gulf of Tehuantepec. Strong to gale-force winds will begin to affect the region of Tehuantepec Sat morning, rapidly increasing to storm-force during the afternoon hours along with building seas to 18 ft. Winds will diminish to strong gale-force Sat night and continue through Sun early in the evening. Afterwards, strong to near gale force winds will gradually diminish through Mon morning. For further details, please see the latest NWS High Seas Forecast issued by the National Hurricane Center, at this website: https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 06N77W to 04N100W to 04N116W. The ITCZ extends from 04N116W to beyond 03N140W. Scattered moderate convection is from 01N to 09N W of 115W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO Surface ridging anchored by a 1029 mb high near 33N130W continues to provide moderate NE winds along the Baja California offshore waters with seas in the 3-5 ft range. Along the Gulf of California, fresh to strong NW winds prevail with seas to 6 ft. Gentle to moderate NW winds are elsewhere along the S and SW Mexican offshore waters with seas in the 1-3 ft range. A gap wind event is forecast for the region of Tehuantepec with gale-force winds starting Sat morning rapidly increasing to storm-force during the afternoon hours. See the Special Features section for further details. Fresh to strong winds in the Gulf of California will funnel through the central and southern Baja peninsula into the offshore waters tonight. The pressure gradient across the area will diminish Sat afternoon and winds along the Gulf of California will become moderate to fresh. Otherwise, moderate to fresh winds will prevail off Baja California Norte through the middle of next week when the next gap wind event is forecast for Tehuantepec. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and WITHIN 750 NM OF ECUADOR A weak pressure gradient across the area is supporting light to gentle variable winds with seas to 5 ft. Gentle winds will prevail through most of the forecast period, except for the Papagayo region where winds will pulse to fresh to strong Sun through the middle of the week. Moderate northerly winds will also pulse in the Gulf of Panama tonight through Mon night. REMAINDER OF THE AREA High pressure of 1029 mb centered near 33N130W continue to extend a ridge across the high seas, supporting moderate to fresh NE to E winds and seas of 5 to 8 ft N of the ITCZ and W of 110W. Locally strong winds are from 07N to 16N W of 134W where the highest seas are being reported. Moderate to fresh NE to E winds will continue across the area with seas ranging between 8 to 10 ft through mid-week. Active convection is expected over the weekend N of the ITCZ and W of 130W. $$ Ramos