000 AXNT20 KNHC 161633 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 1805 UTC Sun Apr 16 2023 Tropical Weather Discussion for North America, Central America Gulf of Mexico, Caribbean Sea, northern sections of South America, and Atlantic Ocean to the African coast from the Equator to 31N. The following information is based on satellite imagery, weather observations, radar and meteorological analysis. Based on 1200 UTC surface analysis and satellite imagery through 1630 UTC. ...MONSOON TROUGH/ITCZ... The monsoon trough enters the Atlantic near 13N17W to 04N14W. The ITCZ extends from 04N14W to 01S40W. Scattered moderate convection is noted south of 05N and west of 14W. ...GULF OF MEXICO... A cold front is draped across the northeast Gulf as of 15Z from Pascagoula, Mississippi to just north of Tampico, Mexico. Fresh to strong N to NE winds and seas of 6 to 9 ft are noted behind the front. Ahead of the front, an outflow boundary is moving quickly southeastward over the central Gulf waters and is producing numerous moderate and isolated strong convection from 22N northward between 85W to 94W. Mariners are recommended to use caution if navigating near the aforementioned storms and outflow boundary. Moderate to fresh NE to E winds and seas of 3 to 5 ft are noted off northern Yucatan and over the eastern Bay of Campeche waters. Elsewhere, moderate or weaker winds and slight to moderate seas prevail. For the forecast, gusty winds and locally rough seas are likely today near numerous showers and thunderstorms active ahead of the front over the north- central Gulf. The abovementioned front will reach from Tampa Bay, Florida to Tampico, Mexico early Mon, before stalling and dissipating from the Straits of Florida to the northeast Yucatan Peninsula through mid week. Fresh to strong N to NE winds and building seas are likely behind the front over much of the western and central Gulf tonight into early Mon. Looking ahead, fresh to locally strong SE winds are likely over the western Gulf Tue night into Wed, diminishing through Thu. ...CARIBBEAN SEA... A recent scatterometer satellite pass reveals that moderate to fresh easterly trade winds prevail in the south-central Caribbean and the Gulf of Honduras. Seas in these waters are 6 to 9 ft. Moderate easterly winds are evident in the north-central and eastern Caribbean, along with seas of 4 to 6 ft. Light to gentle E to SE winds and slight to moderate seas are prevalent across the remainder of the basin. For the forecast, ridging across the western Atlantic will sustain a moderate trade-wind regime across the eastern and central Caribbean through today, except for fresh winds in the south-central Caribbean off Colombia and the Gulf of Honduras. Winds will diminish across the basin into mid week as the ridge shifts east ahead of a weakening cold front approaching the Yucatan Channel. Looking ahead, winds may increase off Colombia by Wed night as the ridge builds north of the region following the front. ...ATLANTIC OCEAN... A remnant trough from a stationary front that has dissipated extends from 31N37W to 25N50W. Latest scatterometer satellite data depicts moderate NE to E winds behind the aforementioned boundary and also north of Puerto Rico and Leeward Islands to 26N. Seas in these waters are 4 to 7 ft. The remainder of the tropical Atlantic is dominated by a broad subtropical ridge promoting moderate or weaker winds and moderate seas. For the forecast, a cold front will move offshore of northeast Florida tonight, continue moving slowly to the southeast and reach from Bermuda to the Straits of Florida by late Tue, before stalling and dissipating through mid week. High pressure will build in the wake of the front between Bermuda and northeast Florida through mid week. $$ Nepaul