marine weather discussion NWS National Hurricane Center Miami FL 214 PM EDT Wed Jul 18 2018
Marine weather discussion for the Gulf of Mexico, Caribbean Sea, and tropical North Atlantic from 07n to 19n between 55w and 64w and the southwest North Atlantic including the Bahamas
...Gulf of Mexico...
Weak high pressure ridge across the Gulf along 25n will continue throughout the week. Active convection is expected across the northern Gulf during the next several days as troughing will meander along the N Gulf coasts east of 90w. A surface trough will move off the Yucatan Peninsula into the Bay of Campeche each evening, accompanied by fresh nocturnal winds.
...Caribbean Sea and tropical N Atlantic from 07n to 19n between 55w and 64w...
High pressure over the central Atlantic will support strong to near gale force winds in the south-central Caribbean for the next several days. Nocturnal winds will increase to gale force near the coast of Colombia late tonight in between tropical waves moving through the basin. Broad zones of sal will dominate in between tropical waves. Current broad wave approaching Lesser Antilles embedded in deep sal, however widely scattered tstorms seen in stlt imagery today firing along leading edge of moisture and will be capable of producing squalls and strong wind gusts. Wave models continue to be about 1-1.5 ft low across the Atlc with wind surges accompanying these waves.
...SW N Atlantic including the Bahamas...
Strong high pressure over the central Atlantic will build westward into the Bahamas through Thu and remain in place through Sunday. This producing anticyclonic flow around ridge with fresh E to ESE trades south of 22n and fresh SSW flow across NW waters and beyond ahead of slow moving cold front approaching mid Atlc coast. Ridge to build modestly into region from the NE by Fri as frontal system lifts out of region and potential lows move NE into NW Atlc.
.Warnings...Any changes impacting coastal NWS offices will be coordinated through AWIPS ii collaboration chat, or by telephone:
.Gulf of Mexico... None.
.Caribbean Sea and tropical N Atlantic from 07n to 19n between 55w and 64w... .Amz031...Caribbean from 11n to 15n between 72w and 80w including Colombia basin... Gale Warning tonight.
.SW N Atlantic including the Bahamas... None.
*For detailed zone descriptions, please visit: http://www.NHC.NOAA.Gov/abouttafbprod.Shtml#owf
Note: gridded marine forecasts are available in the National digital forecast database (ndfd) at: http://www.NHC.NOAA.Gov/marine/grids.Php
For additional information, please visit: http://www.NHC.NOAA.Gov/marine
.Forecaster stripling. National Hurricane Center.