Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
232 PM CDT Mon Mar 9 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.
GMZ200-100815-
232 PM CDT Mon Mar 9 2026
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A gentle to moderate (BF 3-4) southeasterly breeze will persist until Tuesday, with a less than 20% chance for rain across the waters.
Winds will increase to a moderate to fresh (BF 4-5) Tuesday ahead of an approaching cold front.
Winds will become moderate to strong (BF 5-6) with gusts to near gale (BF 7) possible late Tuesday night into Wednesday as a cold front surges toward the waters.
Winds will increase shift to the west and then north as the front pushes across the waters Wednesday to Thursday.
Winds will be strong to near gale force (BF 6-7). A low to medium (20-45%) chance of showers and thunderstorms will return Tuesday night and Wednesday as the cold front approaches.
$$
GMZ236-237-100815- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
232 PM CDT Mon Mar 9 2026
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy.
.TUESDAY...South winds 15 to 20 knots with gusts up to 25 knots. Bay and inland waters choppy.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay and inland waters choppy. A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...South winds 10 to 15 knots, becoming southwest in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Bay and inland waters choppy to rough.
.THURSDAY...North winds 20 to 25 knots with gusts up to 30 knots, diminishing to 15 to 20 knots in the afternoon. Bay and inland waters choppy to rough.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Bay and inland waters smooth.
.FRIDAY...Southeast winds around 5 knots, becoming south in the afternoon. Bay and inland waters smooth.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY...South winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-100815- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
232 PM CDT Mon Mar 9 2026
.TONIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Bay and inland waters choppy.
.TUESDAY...South winds 15 to 20 knots, becoming southeast 20 to 25 knots in the afternoon. Bay and inland waters choppy to occasionally rough. Patchy dense fog in the morning.
.TUESDAY NIGHT...Southeast winds 20 to 25 knots, becoming south 15 to 20 knots after midnight. Bay and inland waters choppy to occasionally rough. A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...South winds 10 to 15 knots with gusts up to 20 knots, becoming west in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers with a slight chance of thunderstorms in the morning.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 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...Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay and inland waters smooth.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland d waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-100815- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
232 PM CDT Mon Mar 9 2026
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.TUESDAY...South winds around 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds. Patchy dense fog in the morning.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...South winds 10 to 15 knots, becoming southwest in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. A chance of showers and thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots, becoming north 25 to 30 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight.
Wave Detail: Southeast 4 feet at 7 seconds, becoming east 6 feet at 7 seconds and north 2 feet at 2 seconds.
.THURSDAY...North winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 5 to 8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet in the afternoon.
Wave Detail: North 7 feet at 5 seconds, becoming northeast 6 feet at 7 seconds and north 3 feet at 4 seconds.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
.FRIDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas around 2 feet.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.SATURDAY...South winds around 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-100815- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
232 PM CDT Mon Mar 9 2026
.TONIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Patchy fog late.
.TUESDAY...South winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Patchy fog in the morning.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 6 seconds. A slight chance of showers after midnight.
.WEDNESDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the morning.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 25 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 2 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 8 feet at 6 seconds, becoming north 7 feet at 6 seconds.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet after midnight.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots after midnight. Seas 2 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-100815- 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-
232 PM CDT Mon Mar 9 2026
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds.
.TUESDAY...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Patchy fog in the morning.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots, becoming south 20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 7 feet, occasionally to 9 feet after midnight.
Wave Detail: Southeast 6 feet at 6 seconds, becoming southeast 7 feet at 7 seconds.
.WEDNESDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 7 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning.
.WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming north 25 to 30 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight.
Wave Detail: Southeast 5 feet at 7 seconds, becoming north 6 feet at 4 seconds and southeast 5 feet at 7 seconds.
.THURSDAY...North winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 9 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 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet after midnight.
.FRIDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots after midnight. Seas 2 to 3 feet.
.SATURDAY...South winds around 10 knots. Seas around 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.