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
0015 UTC Thu Apr 9 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.
Western Atlantic Gale Warning: The pressure gradient between a slow-moving cold front that extends from near Bermuda to the central Bahamas and a strong high pressure of 1037 mb located over the NE of the United States supports gale force winds with rough to very rough seas up to 18 ft in the wake of the front. These marine conditions will persist tonight into Thu. Then, winds and seas will diminish through Fri as the front drifts eastward and dissipates, although large NE swell will persist between the central Bahamas and Bermuda through Sat.
East Atlantic Large Swell: Long-period NW to N swell continues propagating southward across portions of the far eastern Atlantic, causing maximum seas of 12 to 14 ft east of about 40W. Rough seas cover a much broader area N of 10N and E of 55W. This swell event will decay slowly, and seas of 12 ft or greater will reach as far south as 15N by early Thu. Seas should fall below 12 ft Thu night, although rough seas will likely persist into the weekend.
Please read the latest High Seas Forecast issued by the National Hurricane Center at website: https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more details on both the West Atlantic Gale Warning and the significant swell event in the East Atlantic.
Gale Warning E of 35W: A Gale Warning remains in effect for the Meteo-France marine zone of Madeira. The forecast calls for NW gales to 40 kt, with severe gusts through 09/06Z. Very rough seas in NW swell are also reaching the islands.
For more details, refer to the Meteo- France High Seas Forecast listed on their website https://wwmiws.wmo.int
The monsoon trough enters the Atlantic near 10N14W and continues SW to 03N21W. The ITCZ extends from 03N21W to the coast of Brazil near 02S45W. Scattered moderate convection is occurring from 02N to 05N between 15W and 20W, and S of 01N between 30W and 40W. Clusters of moderate to strong convection are N of 03N and E of 10W.
A weak area of low pressure and associated surface trough over the southeastern Gulf and the Straits of Florida is producing scattered showers and isolated thunderstorms. Scattered showers are likely occurring along another trough over the far west- central Gulf, near the coast of Mexico. Fresh to strong NE winds and rough seas are over the eastern Gulf where a tight pressure gradient exists between strong high pressure over the northeast U.S. and the troughing over the southeastern Gulf. Light to gentle winds and moderate seas are noted elsewhere, with the exception of moderate to locally fresh NE winds offshore SW Louisiana to about 28N.
For the forecast, the low pressure and trough will drift slowly eastward and out of the basin through Thu. High pressure building over the eastern U.S. will support fresh to strong NE winds and rough seas across the northeast Gulf into Fri. Looking ahead, this pattern will maintain moderate to fresh E to SE winds and moderate seas across the basin, except for occasional strong E winds off western Cuba early next week.
Scattered showers and thunderstorms are noted over the Greater Antilles, primarily associated with strong upper-level winds. Low-topped trade wind showers are noted elsewhere. Winds are strongest, up to 25 kt, over the usual location, the south- central portion of the area off the coasts of Colombia and Venezuela, where the pressure gradient is tight between low pressure over Colombia and high pressure northeast of the area. These winds are causing rough seas, up to about 8 ft. Mainly light and variable winds dominate the western portion of the area.
For the forecast, fresh to strong trades will prevail over the central and eastern parts of the basin into Thu, with gentle to moderate winds to the west. Strong high pressure will then build southward from the western Atlantic, with a tightening pressure gradient leading to increasing winds, especially in the south- central Caribbean. Looking ahead, expect fresh to strong NE winds and building seas early next week in the lee of Cuba and across the Windward Passage.
A Gale Warning is in effect for the portions of the western Atlantic. Meteo-France also has a Gale Warning in effect for the forecast zone of Madeira. Please refer to the Special Features section above for details on these hazardous weather events.
The remainder of the basin is dominated by strong surface high pressure of 1038 mb located SW of the Azores near 36N34W. Patches of low level moisture are observed on satellite imagery under the influence of this system. Most areas are experiencing moderate to fresh winds, but a zone of strong easterly winds extend N of 20N and E of 40W, where some significant northerly swell is leading to very rough seas. Details on the swell and its forecast propagation can be found in the Special Features section above. Moderate seas dominate the remainder of the Atlantic. A gale center, spinning NE of the Madeira Islands, is forecast to move southward toward the forecast area in about 24 hours.
For the forecast west of 55W, please refer to the Special Features Western Atlantic Gale Warning section for forecast details related to the marine conditions caused by the previously mentioned frontal boundary.
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