Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
221 PM CDT Wed Mar 12 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.
GMZ200-130815-
221 PM CDT Wed Mar 12 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Small craft exercise caution conditions are expected this afternoon into the overnight hours, mainly out past 20 nautical miles.
Southerly winds will diminish overnight becoming light and variable (<10 knots) and veer more westerly by Thursday morning in response to an approaching weak cold front.
Winds then become a southerly light to gentle breeze Thursday afternoon.
By Thursday night into early Friday southerly winds increase to a fresh breeze ahead of our next front.
The front is expected to swing across the region Friday night into Saturday shifting our winds to the north by Saturday morning.
Moderate north winds around 15 knots will continue through the evening hours before decreasing to under 10 knots before shifting back to the east Monday.
$$
GMZ236-237-130815- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
221 PM CDT Wed Mar 12 2025
.TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots, becoming southwest 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy. Patchy fog after midnight.
.THURSDAY...Southwest winds around 5 knots, becoming south in the afternoon. Bay and inland waters smooth.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Bay and inland waters slightly choppy.
.SATURDAY...Northwest winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY...Northwest winds 5 to 10 knots. Bay and inland waters smooth to slightly choppy.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay and inland waters smooth to slightly choppy.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
.MONDAY NIGHT...Southeast winds around 10 knots. Bay and inland waters slightly choppy.
$$
GMZ231-232-130815- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
221 PM CDT Wed Mar 12 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TONIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots with gusts up to 20 knots late this evening and early morning, then becoming southwest 5 to 10 knots late. Bay and inland waters choppy.
Patchy fog after midnight.
.THURSDAY...Southwest winds around 5 knots, becoming south in the afternoon. Bay and inland waters smooth.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Bay and inland waters choppy.
.FRIDAY...South winds 10 to 15 knots. Gusts up to 25 knots in the morning. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming southwest after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...Northwest winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY NIGHT...North winds 10 to 15 knots with gusts up to 20 knots, becoming northwest 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY...Northwest winds around 10 knots, becoming north in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay and inland waters smooth to slightly choppy.
.MONDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
$$
GMZ255-130815- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
221 PM CDT Wed Mar 12 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TONIGHT...South winds around 15 knots with gusts up to 20 knots, becoming southwest after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds. Patchy fog after midnight.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. Patchy fog in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 5 seconds.
.FRIDAY...South winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at 6 seconds.
.SATURDAY...Northwest winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and northwest 1 foot at 2 seconds.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY...Northwest winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...Northeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.MONDAY...East winds around 10 knots, becoming southeast in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
$$
GMZ250-130815- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
221 PM CDT Wed Mar 12 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TONIGHT...South winds 15 to 20 knots, becoming southwest 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 5 seconds. Patchy fog after midnight.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. Patchy fog in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 4 seconds.
.FRIDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots. Gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.SATURDAY...Northwest winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and northwest 2 feet at 3 seconds.
.SATURDAY NIGHT...North winds 10 to 15 knots, becoming northwest 5 to 10 knots after midnight. Seas 2 to 3 feet.
.SUNDAY...Northwest winds around 10 knots, becoming north in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.MONDAY...East winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.
$$
GMZ270-275-130815- 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-
221 PM CDT Wed Mar 12 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TONIGHT...South winds 15 to 20 knots, becoming southwest 10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds. Patchy fog after midnight.
.THURSDAY...Southwest winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: South 4 feet at 6 seconds. Patchy fog in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 5 seconds.
.FRIDAY...South winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas around 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds.
.SATURDAY...Northwest 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 and northwest 2 feet at 3 seconds.
.SATURDAY NIGHT...North winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.SUNDAY...Northwest winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet.
.MONDAY...East winds 10 to 15 knots, becoming around 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet.