Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX

 

1243 AM CDT Wed Oct 22 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.

 

 

GMZ200-221815-

 

1243 AM CDT Wed Oct 22 2025

 

.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...

 

Gentle to moderate (BF 3-4) east-northeasterly winds today will shift southeasterly on Thursday and then strengthen to fresh to strong (BF 5-6) Friday into Saturday ahead of an approaching storm system.

 

Small Craft Advisory conditions may be needed for the Gulf waters on Saturday due to breezy southeasterly winds and seas increasing to 5 to 7 feet.

 

Medium rain chances in the 25-50%range can be expected today, with the highest rain chances of theperiod (65-85%) expected on Saturday.

 

$$

 

GMZ236-237-221815- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-

 

1243 AM CDT Wed Oct 22 2025

 

.TODAY...Northeast winds 10 to 15 knots, becoming east late. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms early this morning.

A slight chance of showers and thunderstorms late this morning and early afternoon, then a chance of showers late.

.TONIGHT...East winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A slight chance of showers in the evening.

.THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A slight chance of showers in the afternoon.

.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.

.FRIDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers. A chance of thunderstorms, mainly in the morning.

.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay and inland waters choppy. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight.

.SATURDAY...South winds 15 to 20 knots. Bay and inland waters choppy. Showers with thunderstorms likely.

.SATURDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight.

.SUNDAY...West winds 5 to 10 knots, becoming east in the afternoon. Bay and inland waters smooth.

.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.

 

$$

 

GMZ231-232-221815- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-

 

1243 AM CDT Wed Oct 22 2025

 

.TODAY...Northeast winds 5 to 10 knots, becoming east early this afternoon, then increasing to 10 to 15 knots with gusts up to 20 knots late. Bay and inland waters slightly choppy to occasionally choppy.

A slight chance of thunderstorms until late afternoon. A slight chance of showers.

.TONIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A slight chance of showers in the evening.

.THURSDAY...Southeast 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.

.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy.

.FRIDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Bay and inland waters choppy. A slight chance of thunderstorms. A chance of showers, mainly in the morning.

.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Bay and inland waters choppy to occasionally rough. A chance of showers after midnight.

.SATURDAY...Southeast winds 15 to 20 knots. Bay and inland waters choppy. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon.

.SATURDAY NIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Bay and inland waters choppy. A chance of thunderstorms in the evening. A chance of showers.

.SUNDAY...West winds 10 to 15 knots, becoming east 5 to 10 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.

.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.

 

$$

 

GMZ255-221815- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-

 

1243 AM CDT Wed Oct 22 2025

 

.TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds and south 1 foot at 5 seconds.

A chance of thunderstorms early this morning, then a slight chance of thunderstorms late this morning and early afternoon. A chance of showers.

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers in the evening.

.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers.

.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight.

.FRIDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning.

.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to 30 knots. 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 6 seconds, becoming southeast 7 feet at 7 seconds. A chance of showers in the evening, then showers likely after midnight.

.SATURDAY...South winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Showers.

A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon.

.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight.

.SUNDAY...Southwest winds 10 to 15 knots, becoming east 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.

.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet.

 

$$

 

GMZ250-221815-Coastal waters from Baffin Bay to Port Aransas out 20 NM-

 

1243 AM CDT Wed Oct 22 2025

 

.TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of thunderstorms early this morning. A chance of showers.

A slight chance of thunderstorms late this morning and early afternoon.

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers in the evening.

.THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers in the morning.

.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers after midnight.

.FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms.

.FRIDAY NIGHT...Southeast winds 20 to 25 knots. 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 6 seconds, becoming southeast 7 feet at 7 seconds. A chance of showers after midnight.

.SATURDAY...South winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Showers likely with a chance of thunderstorms.

.SATURDAY NIGHT...Southeast winds 15 to 20 knots, becoming south after midnight. Seas 5 to 6 feet, occasionally to 8 feet, subsiding to 3 to 5 feet, occasionally to 6 feet after midnight.

A chance of thunderstorms. Showers likely, mainly in the evening.

.SUNDAY...Southwest winds 10 to 15 knots, becoming east 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.

.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.

 

$$

 

GMZ270-275-221815- 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-

 

1243 AM CDT Wed Oct 22 2025

 

.TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms early this morning, then a chance of showers with a slight chance of thunderstorms late this morning and afternoon.

.TONIGHT...East winds 10 to 15 knots, becoming southeast after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers, mainly in the evening.

.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers.

.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight.

.FRIDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning.

.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 3 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 6 seconds, becoming southeast 7 feet at 7 seconds. A chance of showers in the evening, then showers likely after midnight.

.SATURDAY...South winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 6 to 7 feet, occasionally to 9 feet. Showers with a chance of thunderstorms.

.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of thunderstorms. Showers likely.

.SUNDAY...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers in the morning.

.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.