Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
1226 AM CDT Tue Sep 9 2025
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.
GMZ200-091815-
1226 AM CDT Tue Sep 9 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A gentle to moderate breeze is expected to persist this week across the Gulf waters with medium to high (40-75%) chances for showers and thunderstorms Wednesday and Thursday.
As we head into Friday and this weekend, rain chances will drop to lower (20-40%) levels.
$$
GMZ236-237-091815- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1226 AM CDT Tue Sep 9 2025
.TODAY...Northeast winds around 10 knots, becoming east late. Bay and inland waters slightly choppy.
.TONIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Bay and inland waters smooth. A slight chance of showers. A slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth. A slight chance of showers in the evening, then a chance of showers after midnight.
.THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...East winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...East winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-091815- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1226 AM CDT Tue Sep 9 2025
.TODAY...Northeast winds 10 to 15 knots, becoming east late. Bay and inland waters slightly choppy to occasionally choppy.
A chance of showers with a slight chance of thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning and early afternoon.
.TONIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A slight chance of showers.
A slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
A slight chance of showers in the evening, then a chance of showers after midnight.
.THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.FRIDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-091815- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1226 AM CDT Tue Sep 9 2025
.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers early this afternoon.
.TONIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...East winds around 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-091815- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1226 AM CDT Tue Sep 9 2025
.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of thunderstorms. A chance of showers, mainly this morning.
.TONIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers.
.THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds and east 2 feet at 8 seconds. A slight chance of thunderstorms.
Showers likely, mainly in the morning.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds. A chance of showers. A chance of thunderstorms after midnight.
.FRIDAY...East winds 10 to 15 knots. Seas around 2 feet. A chance of showers and thunderstorms in the morning.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers after midnight.
.SATURDAY...East winds around 10 knots. Seas 2 to 3 feet. A chance of showers in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-091815- 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-
1226 AM CDT Tue Sep 9 2025
.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of thunderstorms this morning. A chance of showers. A slight chance of thunderstorms this afternoon.
.TONIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers after midnight.
.WEDNESDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and east 1 foot at 7 seconds. A chance of showers in the evening, then showers likely after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. Showers likely with a slight chance of thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms in the morning. A chance of showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet. A chance of showers after midnight.
.SATURDAY...East winds around 10 knots. Seas around 3 feet. A chance of showers.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 3 feet. A chance of showers after midnight.
Winds and seas higher in and near thunderstorms.