000 AXNT20 KNHC 301012 TWDAT Tropical Weather Discussion NWS National Hurricane Center Miami FL 1205 UTC Sat Mar 30 2024 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 0600 UTC surface analysis and satellite imagery through 1000 UTC. ...SPECIAL FEATURES... Atlantic Significant Swell: A cold front extends from 31N59W to 20N71W. To the east of it, a pair of surface troughs are analyzed along 48W and 52W. Rough to very rough seas prevail behind the front W of 64W and N of 29N, while rough seas will continue in the vicinity of the troughs along 48W and N of 25N. In the eastern Atlantic, seas of 12 to 16 ft are extending E to around 33W, with period of 10-15 sec. Both swell areas should decay today with seas falling below 12 ft tonight. Please, read the latest High Seas Forecast at www.nhc.noaa.gov/text/MIAHSFAT2.shtml, for more information. ...MONSOON TROUGH/ITCZ... The monsoon trough enters the Atlantic through the coast of Guinea near 09N134 and continues southwestward to 00N19W. The ITCZ extends from 00N19W to 03S39W. Scattered showers are evident within 200 nm on both sides of the boundaries. ...GULF OF MEXICO... A 1022 mb high pressure centered in the NE Gulf of Mexico continues to dominate the basin, maintaining fairly tranquil weather conditions. Moderate to fresh E-SE winds are occurring across most of the basin except E of 86W and N of 25N, where light to gentle variable winds prevail. Slight to moderate seas prevail across the basin. For the forecast, high pressure across the northern Gulf will shift E this weekend and support fresh E to SE winds across the western Gulf through Mon. A cold front will enter the western Gulf on Tue. The front will extends from the Florida panhandle to the Bay of Campeche Wed. Fresh to strong winds and building seas are expected west of the front. ...CARIBBEAN SEA... A surface trough extends from the Windward Passage to E Honduras. Scattered showers are noted within 90 nm north of the trough. Fresh to strong NE winds are noted in the Windward Passage and the lee of Cuba. Seas in the western Caribbean and Windward Passage are 3-6 ft. Fresh to locally strong easterly trade winds are also present within 120 nm of NW Colombia. Seas in these waters are 3-6 ft. Moderate or weaker winds and slight to moderate seas are evident elsewhere. For the forecast, high pressure building north of the region will support fresh to strong NE winds in the lee of eastern Cuba and across the Windward Passage through this evening. Winds and seas will then diminish by tonight. Strong trade winds and rough seas will pulse off the coast of Colombia and the southern coast of Hispaniola this weekend. ...ATLANTIC OCEAN... Please read the Special Features section for information on Significant Swell that is impacting the Atlantic waters. Outside of the swell event areas, the remainder of the basin is under the influence of surface ridges. A 1022 mb high pressure centered in near 31N37W and another 1022 mb high is analyzed near 29N77W. Moderate or weaker winds and moderate seas are prevalent in these areas. For the forecast W of 55W, the W-central Atlantic cold front will reach from 31N55W to the Mona Passage by tonight, then move east of the area early Sun. Strong winds and rough seas will follow the front. Winds and seas will decrease from west to east this weekend as high pressure builds eastward in the wake of the front. $$ ERA