000 AGXX40 KNHC 271909 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 309 PM EDT Sun Aug 27 2017 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... Tropical Storm Harvey is well inland over Texas near 29.0N 97.4W at 27/1500 UTC, 1000 MB, moving SSE or 160 DEG 02 KT. Tropical storm force winds are within 150 nm NE quadrant, 60 nm SE quadrant, 0 nm SW quadrant, and 30 nm NW quadrant. semicircle, 100 nm SE quadrant and 30 nm SW quadrant. The most recent scatterometer pass indicates southerly winds of 20-30 kt mainly over the coastal waters N of 27N W of 93W. Altimeter data were showing at least 11 feet, possibly 12 ft, in parts of the upper Texas coastal waters. The forecast track shows that the center of Harvey is expected to remain inland in SE Texas through Monday, in the coastal waters/near the coast on Tuesday, and inland again on Wednesday. Harvey is forecast to be a tropical storm during the whole time during the next 72 hours. The proximity of Harvey to the coast will produce fresh to strong southerly winds north of 26N and west of mainly 93W through mid- week. These winds will support seas from 12 to 16 through Wednesday. A NE-to-SW oriented area of elongated low pressure continues across interior sections of Florida. A 1010 mb surface low pressure center is near 31N80W at 27/1800 UTC. A trough will extend from the low center across Florida into the NE Gulf through Monday evening. The cyclonic circulation of this elongated area of low pressure will be affecting the eastern Gulf waters mainly from 25N-28N E of 84W. Winds and seas may be higher near tstms. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Fresh to locally strong winds will pulse off the coast of northwest Venezuela and northeast Colombia during the rest of this afternoon, ending around sunset tonight. Sea heights will reach 7-8 ft. Mainly fresh E-SE winds are expected across the Gulf of Honduras this evening and tonight. The ridge to the north, that is supporting these winds, will weaken through early next week as an area of low pressure crosses the western Atlantic Ocean waters. Expect increasing trade winds off the coast of northwest Venezuela and northeast Colombia Tuesday night into Wednesday as the ridge N of area restrengthens. At that time, marine guidance suggests winds of 20-25 kt and building seas to 8 ft. These marine conditions will persist on Thursday. ...SW N ATLANTIC INCLUDING THE BAHAMAS... The winds that are associated with the 1010 mb low pressure center that is near 31N80W are forecast to increase to 20-25 KT across forecast zone AMZ111 tonight, with seas building to 6-7 ft mainly N of 29N. These marine conditions, are expected to persist through Monday night over the NW waters as the low pressure moves NE and away from the forecast area. The 1010 mb low pressure center that is near 31N80W is forecast has the potential to become a tropical or subtropical depression during the next few days, before it merges with a cold front by mid-week. The low center is expected to cause increasing NE winds and rough surf along the coasts of Georgia and the Carolinas through early next week. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 MT. National Hurricane Center.