Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
1206 AM CST Fri Jan 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.
GMZ200-091915-
1206 AM CST Fri Jan 9 2026
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Gentle to moderate (BF 3-4) breezes will continue through today.
Winds will become northerly late Friday night/Saturday morning, then increase to strong to near-gale force(BF 6-7).
This will result in building seas to 8-10 ft.
A Small Craft Advisory is likely, but there is a low (20%) chance that conditions could warrant a Gale Warning.
Conditions will begin to diminish by Sunday night as offshore flow weakens and seas subside to 2-3 ft.
A low to medium (20-65%) chance of showers and thunderstorms will accompany the cold front tonight through Saturday night, then a low (20-30%) chance will continue through Wednesday morning.
$$
GMZ236-237-091915- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1206 AM CST Fri Jan 9 2026
.TODAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A slight chance of thunderstorms.
.TONIGHT...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
A chance of showers with a slight chance of thunderstorms.
.SATURDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Bay and inland waters choppy to rough. A chance of showers, mainly in the morning.
.SATURDAY NIGHT...North winds 15 to 20 knots with gusts up to 30 knots. Bay and inland waters choppy to occasionally rough. A slight chance of showers in the evening.
.SUNDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Bay and inland waters choppy to occasionally rough.
.SUNDAY NIGHT...North winds 5 to 10 knots. Bay and inland waters smooth to slightly choppy.
.MONDAY...Northeast winds 5 to 10 knots. Bay and inland waters smooth to slightly choppy.
.MONDAY NIGHT...East winds around 5 knots. Bay and inland waters smooth.
.TUESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
.TUESDAY NIGHT...South winds around 5 knots, becoming west after midnight. Bay and inland waters smooth.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-091915- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1206 AM CST Fri Jan 9 2026
.TODAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. Patchy fog early this morning. A slight chance of showers early this afternoon.
.TONIGHT...East winds 5 to 10 knots, becoming north 15 to 20 knots after midnight. Bay and inland waters choppy to occasionally rough.
A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.
.SATURDAY...North winds 20 to 25 knots with gusts up to 30 knots. Bay and inland waters choppy to rough. A chance of showers, mainly in the morning.
.SATURDAY NIGHT...North winds 15 to 20 knots with gusts up to 30 knots. Bay and inland waters choppy to occasionally rough. A slight chance of showers in the evening.
.SUNDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Bay and inland waters choppy to occasionally rough.
.SUNDAY NIGHT...North winds 5 to 10 knots. Bay and inland waters smooth to slightly choppy.
.MONDAY...Northeast winds 5 to 10 knots. Bay and inland waters smooth to slightly choppy.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming around 5 knots after midnight. Bay and inland waters smooth to slightly choppy.
.TUESDAY...Northeast winds around 5 knots, becoming east in the afternoon. Bay and inland waters smooth.
.TUESDAY NIGHT...South winds around 5 knots, becoming west after midnight. Bay and inland waters smooth.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-091915- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1206 AM CST Fri Jan 9 2026
.TODAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Patchy fog early this morning. A slight chance of thunderstorms.
A slight chance of showers until late afternoon, then a chance of showers late.
.TONIGHT...Southeast winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight.
.SATURDAY...North winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 7 seconds and north 4 feet at 4 seconds. A chance of showers.
.SATURDAY NIGHT...North winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 5 seconds. A slight chance of showers in the evening.
.SUNDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 6 seconds.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds and northwest 1 foot at 3 seconds.
.MONDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...Northeast winds around 5 knots, becoming east in the afternoon. Seas around 2 feet. A chance of showers in the morning.
.TUESDAY NIGHT...South winds around 5 knots, becoming west after midnight. Seas around 2 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-091915- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1206 AM CST Fri Jan 9 2026
.TODAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of thunderstorms this morning. A slight chance of showers.
.TONIGHT...Southeast winds around 10 knots, becoming northwest 15 to 20 knots with gusts up to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.
Wave Detail: Southeast 4 feet at 7 seconds and north 2 feet at 3 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight.
.SATURDAY...North winds 25 to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet, building to 6 to 9 feet, occasionally to 11 feet in the afternoon.
Wave Detail: Northeast 7 feet at 6 seconds, becoming north 7 feet at 6 seconds. A chance of showers.
.SATURDAY NIGHT...North winds around 25 knots with gusts up to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: North 7 feet at 6 seconds. A chance of showers, mainly in the evening.
.SUNDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at 7 seconds. A slight chance of showers.
.SUNDAY NIGHT...North winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 4 feet at 7 seconds and north 2 feet at 4 seconds.
.MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers after midnight.
.TUESDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 2 to 3 feet. A chance of showers in the morning.
.TUESDAY NIGHT...South winds around 5 knots, becoming west after midnight. Seas 2 to 3 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-091915- 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-
1206 AM CST Fri Jan 9 2026
.TODAY...South winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. A slight chance of thunderstorms until late afternoon. A slight chance of showers.
.TONIGHT...South winds around 10 knots, becoming northwest with gusts up to 25 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds and northwest 1 foot at 2 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
.SATURDAY...North winds 25 to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet, building to 7 to 8 feet, occasionally to 10 feet in the afternoon.
Wave Detail: East 8 feet at 7 seconds and north 7 feet at 5 seconds, becoming north 8 feet at 7 seconds. Showers likely, mainly in the morning.
.SATURDAY NIGHT...North winds 25 to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: North 8 feet at 6 seconds. A chance of showers, mainly in the evening.
.SUNDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 8 feet at 7 seconds. A slight chance of showers.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 5 feet at 7 seconds.
.MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers in the morning.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming west after midnight. Seas 2 to 3 feet.
Winds and seas higher in and near thunderstorms.