Port Update
Corpus Christi, TX
December 16, 2025
Notices
🌅SUNRISE: 0715 hrs.
🌄SUNSET: 1730 hrs.
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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 IS CLOSED – DUE TO SEARCH AND RESCUE (MSIB 109-25)
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Please find attached 8.0 NEW WORKBOOK.
Kindly note, starting December 9, 2025 U.S. Coast Guard will require a new workbook (version 8.0) for all email submissions, NOAD web service submissions, and eNOAD imports.
After this date no previous versions will be accepted, even for updates and departures if you used older versions for the arrival. The new workbook version 8.0 is attached and will be accepted starting December 9, 2025.
Please save the workbook and start using it on that date. DO NOT USE BEFORE DECEMBER 9th, 2025.
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Please find attached MSIB 108-25 as the Captain of the Port is establishing a worksite in the Corpus Christi Ship Channel, Inner Harbor for an installation of pipeline in the Inner Harbor on 15 DEC and 16 DEC from 0700 to 1700 each day.
Please see attached for more information.
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MSIB 109-25 The Captain of the Port is establishing a 1500-yard Safey zone extending outward at the entrance of the Aransas Pass/Corpus Christi Ship Channel.
Due to search and rescue efforts no vessels should transit through the safety zone without coordinating with the U.S. Coast Guard.
“The situation will be reassessed around 1000 and more information will follow
Please see attached for more information.
Weather / Marine Zone Forecast
Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
439 AM CST Tue Dec 16, 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.
GMZ200-162315-
439 AM CST Tue Dec 16, 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Gentle to moderate (BF 3-4) winds are expected through Thursday.
Rain chances return Tuesday night into Wednesday due to an inverted trough with medium to high chances (40-80%) for rain.
Winds could shift to the northeast and strengthen to a fresh to strong breeze if the late week cold front clears the region.
$$
GMZ236-237-162315- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
439 AM CST Tue Dec 16, 2025
.TODAY...East winds 5 to 10 knots. Bay and inland waters smooth.
.TONIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. Showers likely with a chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.THURSDAY...Southwest winds 5 to 10 knots. Bay and inland waters smooth.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.SATURDAY...South winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-162315- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
439 AM CST Tue Dec 16, 2025
.TODAY...Northeast winds 5 to 10 knots, becoming southeast this afternoon. Bay and inland waters smooth.
.TONIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. Patchy fog in the morning. Showers likely with a chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Bay and inland waters smooth.
.THURSDAY...South winds 5 to 10 knots. Bay and inland waters smooth.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Bay and inland waters choppy to occasionally rough.
.FRIDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.SATURDAY...South 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...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-162315- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
439 AM CST Tue Dec 16, 2025
.TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Showers likely with a chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening.
.THURSDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.THURSDAY NIGHT...North winds 10 to 15 knots, becoming northeast 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds and south 2 feet at 5 seconds.
.FRIDAY...Northeast winds 15 to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet.
.SATURDAY...South winds 5 to 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-162315- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
439 AM CST Tue Dec 16, 2025
.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots late. Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of thunderstorms. Showers.
.WEDNESDAY NIGHT...South winds around 10 knots. Seas around 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening.
.THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds and southeast 2 feet at 7 seconds.
.FRIDAY...Northeast winds 15 to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 3 feet.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-162315- 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-
439 AM CST Tue Dec 16, 2025
.TODAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of thunderstorms. Showers.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of thunderstorms in the evening. A slight chance of showers.
.THURSDAY...Southwest winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers.
.THURSDAY NIGHT...North winds 10 to 15 knots, becoming northeast 15 to 20 knots with gusts up to 25 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 5 seconds and south 2 feet at 5 seconds.
.FRIDAY...Northeast winds 15 to 20 knots, becoming east 5 to 10 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.
