Tropical Weather Discussion

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Tropical Weather Discussion NWS National Hurricane Center Miami FL 1215 UTC Mon Apr 20 2026 Tropical Weather Discussion for North America, Central America Gulf of America, 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 0600 UTC surface analysis and satellite imagery through 0830 UTC. ...MONSOON TROUGH/ITCZ... The monsoon trough extends from 10N15W to 03N18W. The ITCZ continues from 03N18W to 03N39W. Scattered moderate and isolated strong convection is within 300 nm on either side of the ITCZ. GULF OF AMERICA... A cold front extends southwestward from central Florida to a 1016 mb low near 25N96W, then stationary to near Veracruz, Mexico. Fresh to strong winds are N of the front over the NE Gulf. Gentle to moderate winds prevail over much of the remainder of the waters, except reaching fresh speeds west of the Yucatan peninsula. Seas are in the 5-7 ft behind the front, and 2-4 ft ahead of the front. For the forecast, fresh to strong N to NE winds and moderate to rough seas will follow the cold front through Mon. On Tue, the western portion of this boundary will gradually dissipate over the central and western Gulf, while the eastern portion will resume moving southward into Cuba and the Yucatan Channel. Gentle to moderate southeasterly winds will return to the Gulf on Thu. CARIBBEAN SEA... Moderate winds, and seas of 4-5 ft prevail E of 75W. Gentle winds, and seas of 1-3 ft, prevail W of 75W. For the forecast, a weaker than usual pressure gradient will support mainly gentle to moderate winds over much of the forecast waters through the week. Fresh to strong NE winds may develop Tue night and Wed across the Windward Passage and at the lee of Cuba associated with a late- season cold front moving across Cuba. ATLANTIC OCEAN... A cold front extends from 31N75W to central Florida. Fresh to strong winds, and seas of 4-7 ft are found W of the front. Light to gentle winds, and seas of 3-4 ft, are noted E of the front to 72W. High pressure dominates the remainder of the discussion waters, where gentle to moderate winds, and seas of 4-7 ft, prevail. For the forecast west of 55W, fresh to strong N to NE winds and rough seas will follow the front as it reaches from Bermuda to the Florida Straits by late this afternoon, and from 31N60W to central Cuba by Tue afternoon. Winds will begin to diminish Tue night as the front stalls and dissipates along 22N by late Wed. High pressure will settle in between northeast Florida and Bermuda in the wake of the front. Large N swell may linger near the dissipating front Wed into Thu, including waters near the Windward Passage.