000 AXPZ20 KNHC 250211 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Mon Dec 25 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. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 09N85W to 04N97W. The ITCZ extends from 04N97W to 07N140W. Scattered moderate convection is noted from 04N to 12N between 109W and 131W. ...OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Gentle to moderate NW winds dominate waters N of 18N, with light to gentle winds to the south, due to a weak pressure gradient. Seas average 3 to 6 ft, except 6 to 6 ft offshore Baja California Norte in NW swell. Seas in the Gulf of California are 2-3 ft. For the forecast, as high pressure builds southward from the United States, fresh NW winds are expected over the Gulf of California and near Cabo Corrientes tonight into Wed, with gentle to moderate winds elsewhere. NW swell will diminishing offshore Baja California Norte overnight, but NW swell swell will arrive Mon night, then prevail through Wed night. Looking ahead, as the aforementioned high pressure builds into the western Gulf of Mexico, strong gap winds will develop in the Gulf of Tehuantepec Thu, then continue into Fri night. ...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... A weak pressure gradient and lack of significant features or swell is leading to benign marine conditions. Winds are mainly gentle to moderate with seas of 3 to 6 ft. For the forecast, fresh NE winds will pulse over the gulfs of Papagayo and Panama tonight. Elsewhere, winds are expected to be moderate or weaker into late week. Looking ahead, fresh gap winds may redevelop in the Papagayo region Fri night, as high pressure builds S toward the western Caribbean. ...REMAINDER OF THE AREA... Decaying NW swell with seas of 8 to 9 ft is continuing to impact the waters north of 07N and west of 120W. NE Winds in this area are generally moderate to fresh. Elsewhere, the trades are moderate or weaker with seas 5-7 ft. A new set of NW swell has begun to enter NW waters around 30N140W. For the forecast, the NE trades will weaken to moderate across the waters Mon. New significant swell that is arriving tonight in NW waters will propagate SE into the middle of the week, with seas exceeding 12 ft in NW waters through Mon night. A cold front will move into the NW waters Tue night, bringing strong winds on both sides of it N of 28N through Wed. Reinforcing significant NW swell associated with this front will spread SE and lead to seas in excess of 12 ft for most waters N of 10N and W of 120W for the end of the week. $$ Konarik