Synopsis For The Middle Texas Coastal Waters
A vigorous upper level disturbance will move across the region tonight and contribute to scattered showers and isolated thunderstorms. A surface low pressure system will move toward the northeast and enter the northwest Gulf of Mexico overnight. A strong offshore flow will develop in its wake tonight which will persist through Saturday morning. The offshore flow will decrease Saturday afternoon and become onshore Sunday. Onshore flow will gradually increase through Monday ahead of another cold front which will move through the coastal waters on Tuesday. Scattered showers and thunderstorms can be expected ahead of the front. A strong offshore flow will develop in the wake of this next front.
Forecast as of 9:40 PM CST on November 20, 2009
Waters From Port Mansfield To The Rio Grande Extending From 20 To
60 Nm-
Waters From Baffin Bay To Port Mansfield Extending From 20 To
60 Nm-
Small Craft Advisory in effect until 6 am CST Saturday
Tonight
Winds becoming northwest 15 to 20 knots gusts to 25 knots becoming north overnight. Seas 9 to 11 feet...subsiding 5 to 7 feet by sunrise Saturday. Chance of showers and isolated thunderstorms.
Saturday
North winds 15 to 20 knots. Seas 5 to 7 feet.
Saturday Night
North winds around 15 knots becoming light. Seas 3 to 5 feet.
Sunday
Light winds becoming east around 10 knots in the afternoon. Seas 1 to 3 feet.
Sunday Night
Southeast winds around 10 knots. Seas 1 to 3 feet.
Monday
Southeast winds around 10 knots. Seas 1 to 3 feet. Slight chance of showers.
Tuesday
Northeast winds around 10 knots rising to around 20 knots. Seas 5 to 7 feet. Chance of showers.
Wednesday
Northeast winds around 15 knots. Seas 6 to 10 feet. Chance of showers.