858
AXNT20 KNHC 151612
TWDAT
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1815 UTC SUN MAR 15 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
1550 UTC.
..SPECIAL FEATURES
GULF OF AMERICA GALE WARNING: A STRONG COLD FRONT IS EXPECTED TO
ENTER THE NORTHWESTERN GULF TONIGHT, THEN MOVE SOUTHEASTWARD
ACROSS THE GULF THROUGH MON NIGHT. WIDESPREAD STRONG TO NEAR-GALE
NORTHERLY WINDS WILL FOLLOW THE FRONT, PEAKING TO GALE-FORCE OFF
THE TEXAS COAST TONIGHT THROUGH EARLY MON MORNING, THEN OFF THE
MEXICO COAST FROM THE TEXAS-MEXICO BORDER SOUTHWARD TO NEAR
VERACRUZ MON. SEAS WILL PEAK TO 15 FT WITH THE STRONGEST WINDS.
WINDS OFF TAMPICO AND VERACRUZ, MEXICO COULD GUST UP TO STORM-
FORCE ON MON. BOTH WINDS AND SEAS SHOULD GRADUALLY SUBSIDE FROM
NORTH TO SOUTH STARTING MON EVENING.
PLEASE REFER TO THE LATEST HIGH SEAS FORECAST ISSUED BY THE
NATIONAL HURRICANE CENTER AT WEBSITE
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFAT2.SHTML FOR MORE DETAILS.
..MONSOON TROUGH/ITCZ
THE MONSOON TROUGH ENTERS THE ATLANTIC NEAR 05N9W AND CONTINUES
TO 02N19W. THE ITCZ CONTINUES FROM 02N19W TO 04S38W. SCATTERED
MODERATE CONVECTION IS FROM 01N TO 05N BETWEEN 21W AND 38W.
GULF OF AMERICA...
PLEASE READ THE SPECIAL FEATURES SECTION ABOVE FOR INFORMATION ON
A GALE WARNING.
MODERATE TO FRESH SW TO S RETURN FLOW PREVAILS ALONG THE WESTERN
EDGE OF THE SUBTROPICAL ATLANTIC RIDGE, WITH LOCALLY STRONG WINDS
NOTED IN THE FAR NW GULF OFF THE COAST OF TEXAS. SCATTERED
MODERATE CONVECTION IS EVIDENT ON SATELLITE FROM 22N TO 27N
BETWEEN 82W AND 87W, INCLUDING WATERS IN THE VICINITY OF THE
YUCATAN PASSAGE AND WESTERN STRAITS OF FLORIDA. ADDITIONAL
SCATTERED MODERATE CONVECTION IS DEVELOPING OVER SOUTH FLORIDA.
THIS UNSETTLED WEATHER ACROSS THE EASTERN GULF IS A RESULT OF A
SHORTWAVE TROUGH IN THE REGION DRIFTING TOWARDS THE FLORIDA
PENINSULA.
FOR THE FORECAST, A STRONG COLD FRONT WILL ENTER THE NW GULF
TONIGHT, QUICKLY REACHING THE SOUTHEASTERN GULF BY MON NIGHT AND
SLOW DOWN AS IT MOVES INTO THE NORTHWESTERN CARIBBEAN ON TUE.
STRONG TO GALE-FORCE N WINDS AND BUILDING SEAS WILL FOLLOW THE
FRONT. GALE CONDITIONS AND ROUGH TO VERY ROUGH SEAS ARE FORECAST
IN THE NW GULF, AND OFFSHORE TAMPICO AND VERACRUZ, MEXICO TONIGHT
AND MON. GUSTY WINDS TO STORM-FORCE ARE EXPECTED OFFSHORE TAMPICO
AND VERACRUZ ON MON. IN THE WAKE OF THE FRONT, HIGH PRESSURE WILL
BUILD ACROSS THE REGION INTO MIDWEEK.
CARIBBEAN SEA...
STRONG TO NEAR-GALE FORCE TRADES WERE CAPTURED BY SATELLITE
SCATTEROMETER THIS MORNING, IN THE SOUTH-CENTRAL CARIBBEAN OFF THE
COAST OF COLOMBIA. SEAS IN THIS AREA ARE CURRENTLY 8-10 FT.
ELSEWHERE, MAINLY FRESH TRADES PREVAIL ACROSS THE EASTERN AND
CENTRAL CARIBBEAN, WITH 4-7 FT SEAS. OF NOTE, SCATTEROMETER DATA
ALSO INDICATES STRONG TRADES BETWEEN THE ISLANDS OF THE LESSER
ANTILLES. IN THE WESTERN CARIBBEAN, MODERATE TRADES AND 2-4 FT
SEAS PREVAIL. SCATTERED SHOWERS ARE NOTED IN THE VICINITY OF A
SURFACE TROUGH ALONG 64W, CURRENTLY PASSING THROUGH THE EASTERN
CARIBBEAN AT 10-15 KT.
FOR THE FORECAST, HIGH PRESSURE WILL CONTINUE TO BUILD WESTWARD
ACROSS THE WEST AND CENTRAL ATLANTIC TODAY. THE RESULTING PRESSURE
GRADIENT WILL LEAD TO FRESH TO STRONG TRADES AND BUILDING SEAS
FROM THE WATERS E OF THE LESSER ANTILLES TODAY, AND TO THE EASTERN
AND CENTRAL CARIBBEAN INCLUDING THE PASSAGES ON MON. THE PRESSURE
GRADIENT WILL WEAKEN BY TUE AS A COLD FRONT APPROACHES THE NW
CARIBBEAN.
ATLANTIC OCEAN...
AN EXPANSIVE SUBTROPICAL ATLANTIC HIGH PRESSURE EXTENDS ACROSS
MUCH OF THE BASIN. FRESH TO STRONG TRADES PREVAIL SOUTH OF 25N AND
WEST OF 45W, INCLUDING BETWEEN THE ISLANDS OF THE LESSER ANTILLES.
THE PERSISTENT STRONG TRADES HAVE BUILT SEAS OF 8-10 FT IN E SWELL
WITHIN AN AREA FROM THE EQUATOR NORTH TO 22N BETWEEN 45W AND 65W.
ANOTHER AREA OF FRESH TO STRONG TRADES IS IN THE FAR EASTERN
ATLANTIC NEAR THE CANARY ISLANDS, WHERE SEAS ARE 8-9 FT. ELSEWHERE,
TRADES ARE MODERATE OR WEAKER AND SEAS ARE 4-7 FT.
FOR THE FORECAST WEST OF 55W, A STRONG COLD FRONT WILL ENTER THE
NW GULF TONIGHT, QUICKLY REACHING THE SOUTHEASTERN GULF BY MON
NIGHT AND SLOW DOWN AS IT MOVES INTO THE NORTHWESTERN CARIBBEAN ON
TUE. STRONG TO GALE-FORCE N WINDS AND BUILDING SEAS WILL FOLLOW
THE FRONT. GALE CONDITIONS AND ROUGH TO VERY ROUGH SEAS ARE
FORECAST IN THE NW GULF, AND OFFSHORE TAMPICO AND VERACRUZ, MEXICO
TONIGHT AND MON. GUSTY WINDS TO STORM-FORCE ARE EXPECTED OFFSHORE
TAMPICO AND VERACRUZ ON MON. IN THE WAKE OF THE FRONT, HIGH
PRESSURE WILL BUILD ACROSS THE REGION INTO MIDWEEK.
MAHONEY
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