Tropical Weather Reports
in part our Tropical Weather Update today has been put together with data from Crown Weather Services, Windy and NOAA
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in part our Tropical Weather Update today has been put together with data from Crown Weather Services, Windy and NOAA
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Tue Apr 21 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.
The monsoon trough extends from 13N17W to 02N30W. The ITCZ continues from 02N30W to 02S42W. Scattered moderate to isolated strong convection is along and south of the boundaries mainly W of 20W.
A cold front extends across the Florida Straits westward to near 24N85W, then dissipating front to 22N93W. Fresh to strong winds, and seas of 5-8 ft, prevail N of the front and E of 90W. Moderate winds, and seas of 5-7 ft, are found W of 90W.
For the forecast, fresh to locally strong NE winds and moderate to rough seas will prevail N of the front today. The western portion of this boundary will gradually dissipate over the central and western Gulf today, while the eastern portion will move across Cuba and the Yucatan Channel before stalling along about 21N Wed and dissipating early Thu. Gentle to moderate southeasterly winds will return to the Gulf on Thu.
A weak pressure gradient is supporting moderate to fresh winds off the coast of Colombia. Gentle to moderate winds prevail elsewhere. Seas are in the 4-6 ft range E of 75W, and 3-4 ft W of 75W.
For the forecast, weak Atlantic high pressure will continue N of the basin and support a weaker than usual pressure gradient over the Caribbean basin throughout the week. Fresh to strong NE winds will develop tonight and Wed night across the Windward Passage and in the lee of Cuba, associated with a late-season cold front moving slowly across Cuba. The front is expected to dissipate across eastern Cuba early Thu. Tranquil marine conditions are expected across the entire basin Fri and Sat.
A cold front extends from 31N65W southwestward across the central Bahamas and across the Florida Straits. Fresh to near- gale winds, and seas of 7-11 ft prevail W of the front. The rest of the Atlantic discussion waters are dominated by high pressure. Winds are generally moderate to locally fresh across these waters. Northerly swell generated by a gale force low well north of the area is bringing seas of 8-11 ft to the waters N of 27N between 20W and 45W. Elsewhere, seas are in the 4-7 ft range.
For the forecast west of 55W, fresh to strong N to NE winds and rough seas will follow the front as it continues moving southeastward, reaching from 31N60W to the NW coast of Cuba by this afternoon, and then begin to stall and weaken from 31N55W to 25N60W to eastern Cuba along 21N Wed morning. Winds will diminish Wed as the front stalls and dissipates along 21N by early Thu. Weak high pressure will settle in between northeast Florida and Bermuda Thu through Sat, in the wake of the front. Large N to NE swell will linger near the weakening front Tue night through Thu morning, including waters near the Windward Passage.
Our Tropical Weather reports - for the most part are put together only during tropical weather season. Our reports are based on a number of online sources and are based on our past experience dealing with tropical weather. We also occasionally include non-tropical weather that would affect the area / footprint that we cover. For additional information check out Crown Weather Services