000 AXPZ20 KNHC 021523 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 1605 UTC Fri Feb 2 2024 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 1200 UTC surface analysis and satellite imagery through 1550 UTC. ...SPECIAL FEATURES... Large NW swell with a period of 10 to 16 seconds is moving across the E Pacific open waters N of 20N, with peak seas to 16 ft per recent altimeter data. Seas greater than 12 ft cover the waters N of 20N and W of 115W. These 12 ft seas will continue to slowly propagate SE while subsiding. By Sat, seas associated with this swell will subside below 12 ft. Also early on Sat, a new cold front will enter the NW waters bringing a new set of NW swell with seas 12 ft or greater over the far NW waters. Seas will peak near 18 ft with this swell on Sat night. The 12 ft seas will spread S and E, covering much of the waters N of 08N and W of 128W by Tue night before starting to subside below 12 ft. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The equatorial trough extends from the coast of Colombia near 06N77W to 04N96W. The ITCZ continues from 04N96W to 06N110W to beyond 04N140W. No significant convection is noted. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... A cold front extends across the far northern Gulf of California, across Baja California Norte, then SW to near 21N140W. The front has ushered in a large set of NW swell, with seas of 8-14 ft over the waters off Baja California Norte. Fresh to strong winds are over the Gulf of California waters N of 26N, where seas are in the 4-7 ft range. Moderate to fresh winds are noted W of the Baja California peninsula. Fresh to strong gap winds are over the Gulf of Tehuantepec, where seas are reaching 7 ft. Elsewhere, light to gentle winds, and seas of 5-6 ft, prevail over the open waters off Mexico. Elsewhere in the Gulf of California, gentle to moderate winds prevail, with seas in the 2-3 ft range. For the forecast, a cold front extends from the Gulf of California across Baja California Sur into the waters off Baja California Sur. The cold front will spread across the remainder of the Baja California peninsula today while weakening. Large NW swell ushered in from the front will spread across the waters off the Baja California peninsula into this weekend, then across the waters off SW Mexico through the weekend. The next gap wind event in the Gulf of Tehuantepec is expected early next week, with gale force winds possible starting Mon night. ...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Strong to near gale winds are found over the Gulf of Papagayo, where seas are in the 6-7 ft range. Moderate to fresh winds, and seas of 5-6 ft are found in the Gulf of Panama. Gentle to moderate winds extends downstream of Papagayo and Panama. Elsewhere, light to gentle winds, and seas of 4-6 ft prevail. For the forecast, strong to near gale-force winds in the Papagayo region are expected to continue through this morning. Moderate to locally fresh winds in the Gulf of Panama will diminish today. Gentle breezes and moderate S to SW swell will prevail elsewhere. ...REMAINDER OF THE AREA... See the Special Features Section for information on an ongoing large swell event. A cold front extends from Baja California Sur SW to near 20N140W. Moderate to fresh winds are noted on either side of the front N of 25N, and westward to near 130W. The front has ushered in a large set of NW swell. Aside from the area of 12 ft seas discussed above, seas greater than 8 ft cover the waters NW of a line from Baja California Norte to near 10N140W. High pressure of 1020 mb is centered N of the front near 26N136W. Light winds are in the vicinity of the high center. The pressure gradient between the area of high pressure and lower pressure in the vicinity of the ITCZ is supporting moderate to fresh winds N of the ITCZ to near 15N and W of 130W. Gentle to moderate winds are found elsewhere across the waters, with seas in the 5-7 ft. For the forecast, seas greater than 8 ft will spread SE through the first half of the weekend, covering much of the waters N of 05N and W of 110W by Sat night before subsiding. Low pressure will approach the NW waters Fri, with associated cold front approaching the NW waters Fri evening. Fresh to strong winds are expected ahead and behind the front. The front will usher in another set of large NW swell, as discussed in the SPECIAL FEATURES section above. The area low pressure will strengthen while moving eastward near 31N. This could bring gale force winds into the forecast waters by late Sat afternoon or Sat evening. $$ Ramos