TX Marine Warnings and Forecast for Saturday, November 18, 2017 _____ SMALL CRAFT ADVISORY URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 322 AM CST SAT NOV 18 2017 ...MODERATE TO STRONG ONSHORE WINDS ACROSS THE COASTAL WATERS TODAY BECOMING STRONG AND OFFSHORE TONIGHT BEHIND A COLD FRONT... .MODERATE TO STRONG ONSHORE FLOW WILL PERSIST ACROSS THE OFFSHORE WATERS TONIGHT INTO SATURDAY MORNING BUT ARE EXPECTED TO DECREASE BY LATE MORNING AHEAD OF AN APPROACHING COLD FRONT.