Port Update
Corpus Christi, TX
August 15, 2025
Notices
🌅SUNRISE: 0700 hrs.
🌄SUNSET: 2000 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 76-25 as the Port of Harlingen noticed the Coast Guard that construction has begun on their main dock in the turning basin, work commenced 4 August 2025 and will continue thur 25 April 2026.
Monday – Saturday 0700 to 1730.
Please see attached for more information.
Weather / Marine Zone Forecast
Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
700 AM CDT Fri Aug 15 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.
GMZ200-160015-
700 AM CDT Fri Aug 15 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Expect moderate to strong (BF 5-6) SE winds across the western Gulf through tonight.
A tropical disturbance is expected to approach the region before moving inland late tonight along portions northwestern Mexico and southern Texas.
This will result in scattered to widespread showers and thunderstorms (50-80% chance) through this evening.
Seas will increase to 2-4 ft (as high as 5 ft) through Saturday.
From Saturday afternoon, expect seas to return to near 3 ft and dropping to near 2 ft from Sunday.
Low rain chances return Monday(20-30% chance) with 1-2 ft.
$$
GMZ236-237-160015- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
700 AM CDT Fri Aug 15 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TODAY...Southeast winds around 10 knots, increasing to around 15 knots with gusts up to 25 knots this afternoon. Bay and inland waters slightly choppy to occasionally choppy.
A chance of showers and thunderstorms late this morning and afternoon.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 25 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight.
.SATURDAY...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY...South winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.MONDAY...South winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.TUESDAY...Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay and inland waters smooth.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-160015- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
700 AM CDT Fri Aug 15 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots, increasing to 15 to 20 knots with gusts up to 25 knots this afternoon. Bay and inland waters choppy.
A chance of showers and thunderstorms late this morning and afternoon.
.TONIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Bay and inland waters choppy. A chance of showers and thunderstorms.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to] 20 knots. Bay and inland waters slightly choppy to occasionally choppy. A slight chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY 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.
.MONDAY...Southeast winds around 5 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.TUESDAY...South winds around 5 knots, becoming east in the afternoon. Bay and inland waters smooth.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-160015- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
700 AM CDT Fri Aug 15 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TODAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots this afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Showers likely this morning.
A chance of thunderstorms. A chance of showers this afternoon.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.MONDAY...Southeast winds around 5 knots, becoming 5 to 10 knots in the afternoon. Seas around 2 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas around 2 feet or less. A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-160015- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
700 AM CDT Fri Aug 15 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TODAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots late. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds.
A slight chance of showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and early afternoon. A slight chance of showers and thunderstorms late.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers and thunderstorms.
.SATURDAY...Southeast 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. A slight chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.SUNDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.MONDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas around 2 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet.
.TUESDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas around 2 feet or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet or less.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-160015- 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-
700 AM CDT Fri Aug 15 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION...
.TODAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots late this morning and afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of thunderstorms.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds.
A chance of showers with a slight chance of thunderstorms in the evening, then a chance of thunderstorms with a slight chance of showers after midnight.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds.
A chance of showers and thunderstorms in the morning, then a slight chance of showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.SUNDAY...Southeast winds 5 to 10 knots, becoming east in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers.
.SUNDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
.MONDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas around 2 feet in the morning, then around 2 feet or less.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas around 2 feet or less. A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Seas around 2 feet or less.
Winds and seas higher in and near thunderstorms.
