Port Update
Corpus Christi, TX
July 21, 2025
Notices
🌅SUNRISE: 0645 hrs.
🌄SUNSET: 2030 hrs.
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Central Daylight Time
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 see attached MSIB 90-24 The Coast Guard is advising all mariners to exercise caution and remain within the skin of the ship while transiting under the Corpus Christi New Harbor Bridge due to fall hazards created during construction.
It is recommended practice until further notice to ensure safety of vessel and crew during transit.
Please see attached for more information.
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Please find attached MSIB 17-25 regarding Vessel Surge Events – Safety Recommendations from the U.S. Coast Guard.
Please read attached Vessel Surge Recommendations.
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Please find attached MSIB 111-23 for GANGWAY SAFETY REQUIREMENTS
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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 66-25 as the Captain of the Port is establishing a worksite in the Corpus Christi Ship Channel, Inner Harbor. Callan Marine will be removing submerged pipeline in the Inner Harbor on 21 July 2025 from 0900 – 1500.
Please see attached for more information.
Weather / Marine Zone Forecast
Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
1230 AM CDT Mon Jul 21 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.
GMZ200-211815-
1230 AM CDT Mon Jul 21 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A generally moderate (BF 4) south to southeast wind with gusts to fresh (BF 5) levels will persist over the waters through Tuesday.
Occasionally higher gusts in the afternoon to around 25 knots from Port Aransas southward to Baffin Bay can be expected.
Winds are expected to decrease to gentle to moderate (BF 3-4) by mid week.
The chance of showers or thunderstorms returns by the end of the work week.
$$
GMZ236-237-211815- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1230 AM CDT Mon Jul 21 2025
.TODAY...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.TONIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.TUESDAY...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.WEDNESDAY...South winds 5 to 10 knots. Bay and inland waters smooth.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Bay and inland waters smooth.
.THURSDAY...South winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
.THURSDAY NIGHT...South winds around 10 knots, becoming 5 to 10 knots after midnight. Bay and inland waters smooth.
.FRIDAY...Southwest winds around 5 knots, becoming south in the afternoon. Bay and inland waters smooth.
.FRIDAY NIGHT...South winds 5 to 10 knots. Bay and inland waters smooth.
$$
GMZ231-232-211815- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1230 AM CDT Mon Jul 21 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TODAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots with gusts up to 25 knots late. Bay and inland waters choppy.
.TONIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Bay and inland waters choppy.
.TUESDAY...South winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. Bay and inland waters choppy.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Gusts up to 25 knots in the evening. Bay and inland waters slightly choppy to occasionally choppy.
.WEDNESDAY...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, becoming south 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
$$
GMZ255-211815- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1230 AM CDT Mon Jul 21 2025
.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and southeast 1 foot at 8 seconds.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and southeast 1 foot at 8 seconds.
.TUESDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and southeast 1 foot at 9 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and southeast 1 foot at 9 seconds.
.WEDNESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.THURSDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet.
.THURSDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet.
.FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
$$
GMZ250-211815- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1230 AM CDT Mon Jul 21 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TODAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots with gusts up to 25 knots late. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.TUESDAY...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Gusts up to 25 knots in the evening. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds.
.THURSDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet.
.FRIDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet.
$$
GMZ270-275-211815- 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-
1230 AM CDT Mon Jul 21 2025
.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and southeast 1 foot at 8 seconds.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds and south 2 feet at 4 seconds.
.TUESDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and southeast 1 foot at 9 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 5 seconds and southeast 1 foot at 9 seconds.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds and southeast 1 foot at 8 seconds.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds.
.THURSDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet in the morning, then around 2 feet or less. A chance of showers in the morning.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
