Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
126 AM CDT Wed Mar 11 2026
Middle Texas coastal waters from Baffin Bay to Matagorda ship channel out to 60 nautical miles.
Seas are provided as a range of the average height of the highest 1/3 of the waves
...along with occasional height of the average highest 10 percent of the waves.
GMZ200-111915-
126 AM CDT Wed Mar 11 2026
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Winds calm below Small Craft Advisory criteria today, but with winds persisting from the south with 4-5 ft seas.
Overnight, a cold front moves across the Middle Texas Coast and western Gulf with strong to near-gale (BF 6-7) northerly winds 7-10 ft seas by Thursday morning and rough bays.
A Small Craft Advisory will likely be issued later today.
By Thursday night, winds will be more northeasterly with winds reducing to light/gentle (BF 2-3) by Friday morning with 2-3 ft seas.
Best chance for showers and thunderstorms will be today (30-50% chance) though any shower or thunderstorm will be isolated to scattered in spatial coverage.
$$
GMZ236-237-111915- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
126 AM CDT Wed Mar 11 2026
.TODAY...South winds 10 to 15 knots with gusts up to 20 knots, becoming southwest late. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers with a slight chance of thunderstorms until late afternoon.
.TONIGHT...Northwest winds 10 to 15 knots with gusts up to 20 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Bay and inland waters choppy to rough.
.THURSDAY...North winds 20 to 25 knots with gusts up to 30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters choppy to rough.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Bay and inland waters smooth.
.FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay and inland waters smooth.
.FRIDAY NIGHT...South winds around 10 knots. Bay and inland waters slightly choppy.
.SATURDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming northeast after midnight. Bay and inland waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-111915- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
126 AM CDT Wed Mar 11 2026
.TODAY...South winds 10 to 15 knots, becoming southwest this afternoon. Bay and inland waters slightly choppy to occasionally choppy. A slight chance of showers and thunderstorms this morning.
.TONIGHT...Northwest winds 10 to 15 knots with gusts up to 20 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Bay and inland waters choppy to rough.
.THURSDAY...North winds 20 to 25 knots with gusts up to 30 knots, diminishing to 15 to 20 knots in the afternoon. Bay and inland waters choppy to rough.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Bay and inland waters smooth.
.FRIDAY...South winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...South winds 5 to 10 knots, becoming southeast 15 to 20 knots in the afternoon. Bay and inland waters choppy.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Bay and inland waters choppy.
.SUNDAY...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming northeast 15 to 20 knots after midnight. Bay and inland waters choppy to occasionally rough.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-111915- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
126 AM CDT Wed Mar 11 2026
.TODAY...South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. A chance of showers early this morning, then a chance of showers with a slight chance of thunderstorms late this morning and early afternoon.
.TONIGHT...Northwest winds 10 to 15 knots with gusts up to 20 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight.
Wave Detail: Southeast 4 feet at 7 seconds, becoming east 5 feet at 7 seconds and northwest 2 feet at 2 seconds.
.THURSDAY...North winds 25 to 30 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 6 feet at 5 seconds.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds and northwest 1 foot at 3 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds.
.SATURDAY...South winds around 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.
.SUNDAY...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots, becoming northeast 15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-111915- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
126 AM CDT Wed Mar 11 2026
.TODAY...South winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots late. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds.
A chance of showers early this morning, then a slight chance of showers and thunderstorms late this morning.
.TONIGHT...Northwest winds 10 to 15 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight.
Wave Detail: Southeast 4 feet at 7 seconds, becoming east 6 feet at 7 seconds and north 2 feet at 3 seconds.
.THURSDAY...North winds 25 to 30 knots, diminishing to 15 to 20 knots in the afternoon. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the afternoon.
Wave Detail: North 8 feet at 6 seconds, becoming northeast 7 feet at 7 seconds and north 4 feet at 4 seconds.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet after midnight.
Wave Detail: Northeast 4 feet at 7 seconds and northwest 1 foot at 3 seconds, becoming east 3 feet at 7 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and east 2 feet at 7 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...South winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY...South winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...Southeast winds around 15 knots, becoming east after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-111915- Waters from Baffin Bay to Port Aransas from 20 to 60 NM- Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM-
126 AM CDT Wed Mar 11 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...
.TODAY...South winds around 20 knots, diminishing to 10 to 15 knots late. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds.
A slight chance of showers this morning, then a slight chance of showers and thunderstorms early this afternoon.
.TONIGHT...West winds 10 to 15 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Seas around 4 feet, occasionally to 5 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight.
Wave Detail: Southeast 4 feet at 7 seconds, becoming east 5 feet at 7 seconds and northwest 3 feet at 3 seconds.
.THURSDAY...North winds 25 to 30 knots, diminishing to 15 to 20 knots in the afternoon. Seas 7 to 10 feet, occasionally to 13 feet, subsiding to 5 to 8 feet, occasionally to 10 feet in the afternoon.
Wave Detail: North 9 feet at 7 seconds, becoming north 8 feet at 7 seconds.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming east 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds and northwest 2 feet at 4 seconds.
.FRIDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds and south 2 feet at 4 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
.SUNDAY...South winds around 15 knots. Seas around 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots, becoming east 15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.