000 AXPZ20 KNHC 230210 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Thu Feb 23 2023 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 0000 UTC surface analysis and satellite imagery through 0200 UTC. ...SPECIAL FEATURES... Eastern Pacific Swell Event: A set of northerly swell is supporting seas of 8 to 16 ft seas N of 26N E of 134W. This swell event will continue to spread southward into Thu, with seas of 8 to 13 ft N of Cabo San Lazaro. Seas of 12 ft or higher will subside Fri afternoon. However, another swell event, with seas in excess of 12 ft will follow a new cold front that will reach the Baja California Norte offshore waters on Fri night. These seas are forecast to cover the waters N of 20N and E of 136W before subsiding late Sun morning. Please read the latest High Seas Forecast at https://www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more information on this event. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... A surface trough extends from 08N78W to 01N105W. The ITCZ continues from 01N105W to 01N140W. Scattered moderate convection from 02N to 08N between 109W and 120W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Fresh to strong winds, and seas of 5-7 ft, prevail over the northern Gulf of California. Moderate to fresh winds are noted west of Baja California Norte as well as off the coast of Cabo Corrientes. Light to gentle winds are elsewhere. Seas are in the 8-15 ft range in NW swell west of Baja California Norte, 3-6 ft elsewhere over the open waters off Mexico, and 1-3 ft elsewhere. For the forecast, fresh to strong SW winds will continue across the northern gulf through Thu night. NW swell will propagate into the waters off Baja California tonight, with rough seas continuing through Fri night. Another swell event bringing rough seas will affect the Baja California offshore waters Fri night through Sun morning as a new cold front moves across the area. Fresh to strong SW winds will develop again in the northern Gulf of California Fri night through Sun morning. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh to strong winds, and seas 5-7 ft, are noted over and downstream the Gulf of Papagayo. Moderate to fresh winds prevail in the Gulf of Panama. Light to gentle winds are elsewhere. Seas of 3-5 ft are elsewhere. For the forecast, strong to near-gale force NE to E winds in the Gulf of Papagayo region will persist through Mon when winds will diminish to moderate to fresh speeds. Moderate to fresh N to NE winds are expected in the Gulf of Panama, increasing to fresh to strong speeds Fri night. Afterward, winds will diminish to moderate to fresh and prevail trough the remainder forecast period. REMAINDER OF THE AREA... Please, see the Special Features section above for more details on an ongoing and an upcoming swell event. High pressure prevails north of 20N. The pressure gradient between this area of high pressure and lower pressure in the vicinity of the ITCZ is supporting fresh to strong winds N of the ITCZ to 30N and W of 130W. Seas over this area are in the 8-10 ft range. Moderate to fresh winds are north of the ITCZ between 120W and 130W. Elsewhere, winds are moderate or weaker with seas of 6-7 ft primarily in northerly swell. For the forecast, fresh to locally strong NE to E trade winds are forecast to persist over the west-central waters through the week, with seas in the 8 to 10 ft range. Large northerly swell across the northern waters producing seas in excess of 12 ft will impact much of the waters north of 20N through Fri. A new set of long period swell will start affecting the northern waters Fri night before subsiding on Sun. $$ AL