Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
1206 AM CST Mon Jan 19 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.
GMZ200-191915-
1206 AM CST Mon Jan 19 2026
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Onshore flow will return today and strengthen to a moderate (BF-4) breeze, occasionally nearing BF 5 through much of the week.
Behind the weekend cold front, winds are expected to become fresh to strong (BF 5-6), with Small Craft Advisory conditions likely.
Moderate rain chances over the waters mid-week are expected to increase to a high (80-90%) chance by Wednesday afternoon.
$$
GMZ236-237-191915- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1206 AM CST Mon Jan 19 2026
.TODAY...South winds around 5 knots, becoming southeast late this morning and afternoon. Bay and inland waters smooth.
.TONIGHT...Southeast winds around 10 knots, becoming east after midnight. Bay and inland waters slightly choppy.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy. A slight chance of showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. Showers. A slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters smooth to slightly choppy.
.THURSDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Bay and inland waters smooth to slightly choppy.
.THURSDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-191915- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1206 AM CST Mon Jan 19 2026
.TODAY...South winds around 5 knots, becoming southeast late this morning, then increasing to 10 to 15 knots with gusts up to 20 knots this afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.TONIGHT...Southeast 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.
.TUESDAY...East winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A slight chance of showers in the morning, then a chance of showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. Showers likely.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming northeast after midnight. Bay and inland waters smooth to slightly choppy.
.THURSDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Bay and inland waters smooth to slightly choppy.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Bay and inland waters choppy. A chance of showers after midnight.
$$
GMZ255-191915- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1206 AM CST Mon Jan 19 2026
.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots this afternoon. Seas around 2 feet or less, then around 2 feet this afternoon. Wave Detail: Southeast 1 foot at 4 seconds, becoming southeast 2 feet at 3 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. A chance of showers in the evening, then showers likely after midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds. Showers. A slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming northeast after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers in the evening.
.THURSDAY...North winds around 10 knots, becoming northeast in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming east 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-191915- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1206 AM CST Mon Jan 19 2026
.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots this afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.TUESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers.
.TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A chance of showers in the evening, then showers likely after midnight.
.WEDNESDAY...South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds. Showers. A slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers in the evening.
.THURSDAY...North winds around 10 knots, becoming northeast in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet.
.THURSDAY NIGHT...East winds around 10 knots, becoming southeast after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-191915- 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 Mon Jan 19 2026
.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots late. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds.
.TONIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of showers.
.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: East 5 feet at 6 seconds.
A chance of showers in the evening, then showers likely after midnight.
.WEDNESDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Showers. A slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming east after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds.
A chance of showers in the evening, then a chance of showers and thunderstorms after midnight.
.THURSDAY...Northeast winds around 10 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers in the morning.
.THURSDAY NIGHT...East winds around 10 knots, becoming southeast after midnight. Seas 4 to 5 feet, occasionally to 6 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.