Port Update
Corpus Christi, TX
October 23, 2025
Notices
🌅SUNRISE: 0730 hrs.
🌄SUNSET: 1900 hrs.
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Central Daylight Time – 10 days until Day Lights Saving is over
GMT-5
MARSEC LEVEL 1
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When Outbound Passages are restricted to pilot boarding no earlier than Sunrise and later than the time detailed below for the various locations:
FROM VIOLA BASIN: -5 1/2 HOURS BEFORE SUNSET
FROM TULE BASIN: - 5 HOURS BEFORE SUNSET
FROM CHEMICAL BASIN: 4 1/2 HOURS BEFORE SUNSET
FROM AVERY BASIN: 4 HOURS BEFORE SUNSET
FROM MAIN BASIN: 3 1/2 HOURS BEFORE SUNSET
FROM INGLESIDE: 2 1/2 HOURS BEFORE SUNSET
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PORT OF CORPUS CHRISTI OPEN
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Please find attached MSIB 36-25 as the 2025 Hurricane Season commences 1st JUNE and continues thru 30 NOVEMBER.
Please see attached for more information.
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Please find attached MSIB UPDATE 1 91-25 as the Captain of the Port is establishing a worksite in the Corpus Christi Ship Channel, Inner Harbor. Callan Marine has informed the U.S Coast Guard that they will be removing submerged pipeline in the Inner Harbor on 24 October 2025 from 0900 to 1500.
Please see attached for more information.
Weather / Marine Zone Forecast
Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
1236 AM CDT Thu Oct 23 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.
GMZ200-231815-
1236 AM CDT Thu Oct 23 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A gentle southeasterly breeze today will increase in speed and become moderate to fresh on Friday.
Fresh to strong southeasterly winds will prevail on Saturday before relaxing on Sunday.
Small Craft Advisories may be needed for the Gulf waters on Saturday due to the breezy southeasterly winds and seas increasing to 5 to 7 feet.
Medium rain chances in the 20-40% range can be expected Friday with the highest rain chances of the period (65-85%) expected on Saturday.
$$
GMZ236-237-231815- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
AM CDT Thu Oct 23 2025
.TODAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.TONIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay and inland waters choppy.
A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
.SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of thunderstorms. Showers.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight.
.SUNDAY...West winds 5 to 10 knots, becoming northeast in the afternoon. Bay and inland waters smooth to slightly choppy.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.MONDAY...South winds 5 to 10 knots. Bay and inland waters smooth.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-231815- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1236 AM CDT Thu Oct 23 2025
.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late. Bay and inland waters slightly choppy to occasionally choppy.
.TONIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots with gusts up to 25 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 15 to 20 knots with gusts up to 25 knots. Bay and inland waters choppy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
.SATURDAY...South winds 15 to 20 knots with gusts up to 25 knots. Bay and inland waters choppy. A chance of thunderstorms. A chance of showers in the morning, then showers 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.
Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight.
.SUNDAY...Northwest 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.
.MONDAY...South winds 10 to 15 knots. 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.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-231815- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1236 AM CDT Thu Oct 23 2025
.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms early this afternoon.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers after midnight.
.FRIDAY...Southeast winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight.
Wave Detail: Southeast 5 feet at 5 seconds, becoming southeast 6 feet at 6 seconds.
A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight.
.SATURDAY...South winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 7 seconds. Showers with a chance of thunderstorms.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 7 seconds. A chance of thunderstorms. Showers.
.SUNDAY...West winds 10 to 15 knots, becoming north 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers in the morning.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.MONDAY...South winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-231815- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1236 AM CDT Thu Oct 23 2025
.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 20 to 25 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 5 seconds, becoming southeast 7 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
.SATURDAY...South winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 7 seconds. Showers likely with a chance of thunderstorms.
.SATURDAY NIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. Showers likely with a chance of thunderstorms.
.SUNDAY...West winds 10 to 15 knots, becoming northeast 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.
.MONDAY...South winds 10 to 15 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.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-231815- 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-
1236 AM CDT Thu Oct 23 2025
.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms early this afternoon.
.TONIGHT...Southeast winds 10 to 15 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 around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of thunderstorms.
A chance of showers in the morning, then showers likely in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to6 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight.
Wave Detail: Southeast 5 feet at 5 seconds, becoming southeast 6 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.
.SATURDAY...South winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 7 seconds. A chance of thunderstorms. Showers.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 7 seconds. Showers with a chance of thunderstorms.
.SUNDAY...Southwest winds 10 to 15 knots, becoming northwest 5 to 10 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers in the morning.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas around 4 feet, occasionally to 5 feet.
.MONDAY...South winds 5 to 10 knots. Seas around 4 feet, occasionally to 5 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet.
Winds and seas higher in and near thunderstorms.
