Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
426 AM CDT Tue Mar 18 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.
GMZ200-182215-
426 AM CDT Tue Mar 18 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A south-southeasterly strong breeze (BF-6) with Small Craft Advisory conditions can be expected today through early Wednesday morning across the coastal waters.
Near Gale conditions will be possible at times along with occasional seas as high as 13 feet.
Winds on Wednesday will decrease to a gentle to moderate breeze (BF-3 and 4) and shift northward as a cold front slides across.
North to northeast winds will strengthen to a strong breeze to near Gale winds (BF-6 and 7) late Wednesday night into Thursday morning with gusts to Gale possible and seas up to 8 feet.
Winds weaken Thursday afternoon, becoming a moderate to fresh breeze of 11-19 knots out of the south to southeast Thursday night through the weekend.
$$
GMZ236-237-182215- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
426 AM CDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...South winds around 20 knots with gusts up to 25 knots. Bay and inland waters choppy.
.TONIGHT...South winds 15 to 20 knots with gusts up to 30 knots. Bay and inland waters choppy.
.WEDNESDAY...West winds 10 to 15 knots, becoming northwest in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.WEDNESDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Bay and inland waters choppy to occasionally rough.
.THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots, diminishing to around 10 knots in the afternoon. Bay and inland waters choppy to occasionally rough.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY NIGHT...Southeast winds around 10 knots. Bay and inland waters slightly choppy.
$$
GMZ231-232-182215- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
426 AM CDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...South winds around 20 knots, becoming southeast 20 to 25 knots this afternoon. Bay and inland waters choppy to occasionally rough.
.TONIGHT...South winds 20 to 25 knots with gusts up to 30 knots. Bay and inland waters choppy to occasionally rough.
.WEDNESDAY...West winds 10 to 15 knots, becoming north with gusts up to 20 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.WEDNESDAY NIGHT...North winds 10 to 15 knots with gusts up to 20 knots, increasing to 15 to 20 knots with gusts up to 30 knots after midnight. Bay and inland waters choppy to occasionally rough.
.THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Bay and inland waters choppy to occasionally rough.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...Southeast winds 15 to 20 knots. Bay and inland waters choppy.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Bay and inland waters choppy.
.SATURDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
$$
GMZ255-182215- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
426 AM CDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...South winds around 20 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: South 7 feet at 7 seconds.
.TONIGHT...South winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: South 8 feet at 8 seconds.
.WEDNESDAY...West winds 10 to 15 knots with gusts up to 20 knots, becoming northwest 5 to 10 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave Detail: South 7 feet at 8 seconds, becoming southeast 5 feet at 8 seconds.
.WEDNESDAY NIGHT...North winds 15 to 20 knots with gusts up to 25 knots, increasing to 20 to 25 knots with gusts up to 35 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Southeast 4 feet at 7 seconds, becoming east 6 feet at 7 seconds and northeast 3 feet at 3 seconds.
.THURSDAY...Northeast winds 20 to 25 knots with gusts up to 30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet in the afternoon. Wave Detail: Northeast 6 feet at 7 seconds, becoming northeast 4 feet at 7 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 3 feet at 7 seconds.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 4 feet, occasionally to 5 feet.
$$
GMZ250-182215- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
426 AM CDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...South winds around 20 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 7 seconds.
.TONIGHT...South winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 8 feet at 7 seconds.
.WEDNESDAY...West winds 10 to 15 knots with gusts up to 20 knots, becoming north 5 to 10 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave Detail: Southeast 7 feet at 8 seconds, becoming southeast 5 feet at 7 seconds.
.WEDNESDAY NIGHT...North winds 10 to 15 knots with gusts up to 20 knots, increasing to 20 to 25 knots with gusts up to 35 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Southeast 4 feet at 7 seconds, becoming east 6 feet at 7 seconds and north 4 feet at 4 seconds.
.THURSDAY...Northeast winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet in the afternoon. Wave Detail: Northeast 7 feet at 7 seconds, becoming northeast 5 feet at 7 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 3 feet at 7 seconds.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
$$
GMZ270-275-182215- 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-
426 AM CDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...South winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: South 8 feet at 7 seconds.
.TONIGHT...South winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: South 10 feet at 8 seconds.
.WEDNESDAY...Southwest winds 20 to 25 knots with gusts up to 30 knots, becoming northwest 5 to 10 knots in the afternoon. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: South 9 feet at 8 seconds, becoming south 6 feet at 7 seconds.
.WEDNESDAY NIGHT...North winds 15 to 20 knots with gusts up to 25 knots, increasing to 25 to 30 knots after midnight. Seas around 4 feet, occasionally to 5 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Southeast 4 feet at 7 seconds, becoming east 7 feet at 7 seconds and north 3 feet at 3 seconds.
.THURSDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: Northeast 8 feet at 7 seconds, becoming northeast 6 feet at 7 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds and southeast 3 feet at 4 seconds.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet.
.SATURDAY...Southeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.