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 9:31 PM CST on November 20, 2009
Coastal Waters From Baffin Bay To Port Aransas Out 20 Nm-
Coastal Waters From Port Aransas To Matagorda Ship Channel Out
20 Nm-
Small Craft Advisory in effect until 11 PM CST this evening
Rest Of Tonight
North wind around 20 knots becoming northwest 15 to 20 knots. Seas 5 to 7 feet subsiding to 4 to 6 feet. A chance of showers and isolated thunderstorms late in the evening.
Saturday
Northwest wind 10 to 15 knots shifting north in the afternoon. Seas 4 to 6 feet.
Saturday Night
East wind 5 to 10 knots. Seas 2 to 4 feet.
Sunday
Northeast wind 5 to 10 knots. Seas 2 to 3 feet.
Sunday Night
Southeast wind around 10 knots. Seas 2 to 3 feet.
Monday
Southeast wind 5 to 10 knots becoming south after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Tuesday
East wind 15 to 20 knots becoming north 20 to 25 knots. Seas 4 to 6 feet. A chance of showers and thunderstorms.
Wednesday
North wind 20 to 25 knots decreasing to 15 to 20 knots after midnight. Seas 4 to 6 feet.