000 AXPZ20 KNHC 080345 TWDEP Tropical Weather Discussion NWS National Hurricane Center Miami FL 0405 UTC Sun Jan 8 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 0230 UTC. ...SPECIAL FEATURES... The next Pacific low pressure system that will impact the region is currently located well north of the Hawaiian Islands. This system and associated front will sweep across the far NW waters Sun, supporting strong SW winds north of 26N and west of 130W through Sun night, and raising seas to 17 ft or higher. Gales will develop both ahead of, and behind, this front on Mon. ...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... The monsoon trough extends from 10N73W to 09N82W to 07N94W. The ITCZ continues from 07N94W to 06N119W to 07N132W to beyond 05N140W. Widely scattered moderate convection is noted within 60 nm N of the ITCZ between 114W and 136W. OFFSHORE WATERS WITHIN 250 NM OF MEXICO... Weak surface ridging prevails across the Baja California offshore waters. Large NW swell dominates the regional waters. Associated seas ranges from 8-9 ft offshore Baja Norte to 10-13 ft offshore of Baja Sur, and 10 to 15 ft from offshore of the entrance to the Gulf of California to the waters offshore SW Mexico near 103W. Moderate NW winds are noted across most of the Gulf of California, and moderate NW to W winds across the near shore waters from Cabo Corrientes to Puerto Escondido. Seas across the Gulf are in the 3 to 5 ft range. Strong northerly winds to 25 kt prevail over the Gulf of Tehuantepec north of 15N with seas to near 8 ft. The remainder of the area is dominated by light to gentle winds. For the forecast, the large NW swell offshore of the Baja California peninsula and southwestern coast of Mexico of the past 48 hours will continue to propagate SE across the eastern Pacific through early next week. Seas will slowly subside from N to S across the regional waters tonight through Sun. Early Sun, new NW swell will move into these waters and dominate through Mon. Moderate to fresh NW winds over the Gulf of California will diminish tonight. Weak high pressure will persist just W of the region through Tue afternoon. Strong northerly winds will pulse over the Gulf of Tehuantepec and offshore to 14N each night through next week. OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR... Fresh to locally strong NE to E winds, and seas of 6-7 ft, are occurring in the Gulf of Papagayo region. Moderate northerly winds and seas of 4-5 ft are present in the Gulf of Panama. Elsewhere, light to gentle winds and moderate seas of less than 6 ft prevail. For the forecast, Fresh winds across the Papagayo region will pulse to near 20 kt each night through mid week. Moderate to fresh northerly winds will also pulse in the Gulf of Panama through Tue. The large NW offshore of Mexico will move southeastward and impact the offshore waters of Central America Sun into early next week. Highest seas of 6 to 9 ft are expected early Mon. REMAINDER OF THE AREA... Surface ridging prevails across the basin, centered on a 1021 mb high near 27N122W. The ridge extends W-SW beyond 140W, and to the south of an approaching cold front along 30N, from 137W to 140W. Large NW to N swell continues moving through the regional waters, with peak seas of 10-15 ft now southward of 22N and W of 110W. Across the far NW waters, strong SW to W winds extend from the front to 27N and are W of 125W. New NW swell across this area is producing seas of 10-14 ft. South of the ridge, moderate to locally fresh winds prevail N of the ITCZ to 17N, where the large NNW swell has arrived. This is where the peak seas of 11-15 ft are found to the W of 110W. Gentle to moderate winds prevail south of the ITCZ. The large NW swell has reach this area as will and is producing seas of 9-13 ft. For the forecast, the large NW swell has already begun to subside from N to S today. However new NW associated with the front entering the NW waters will dominate the northern waters through Sun before another pulse of NW swell arrives early Mon associated with the next gale force frontal system. This system will impact the NW waters Mon through Tue. Another similar frontal system is expected to move through the NW waters Wed through Thu. Weak high pressure and moderate winds will dominate the trade wind belt. $$ Stripling