Port Update
Corpus Christi, TX
September 19, 2025
Notices
🌅SUNRISE: 0715 hrs.
🌄SUNSET: 1930 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 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 through 25 April 2026.
Monday – Saturday 0700 to 1730.
Please see attached for more information.
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Weather / Marine Zone Forecast
Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
1237 PM CDT Fri Sep 19 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.
GMZ200-200630-
1237 PM CDT Fri Sep 19 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A gentle to moderate (BF 3-4) east to southeasterly breeze will continue through next week.
There will be a low to medium chance (30-60%) of showers and thunderstorms through the weekend and into next week.
$$
GMZ236-237-200630-Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1237 PM CDT Fri Sep 19 2025
.TONIGHT...Southeast winds 5 to 10 knots, becoming around 5 knots late. Bay and inland waters smooth.
.SATURDAY...East winds 5 to 10 knots. Bay and inland waters smooth. A slight chance of showers. A slight chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay and inland waters slightly choppy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.
.MONDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.TUESDAY...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-200630- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1237 PM CDT Fri Sep 19 2025
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots, becoming southeast 5 to 10 knots late this evening and overnight. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...East winds 5 to 10 knots. Bay and inland waters smooth. A slight chance of showers. A slight chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers after midnight.
.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. A chance of showers and thunderstorms.
.SUNDAY NIGHT...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 thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight.
.MONDAY...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. A chance of showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay and inland waters slightly choppy to occasionally choppy.
.TUESDAY...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers after midnight.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers. A chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers after midnight.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-200630- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1237 PM CDT Fri Sep 19 2025
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers late.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of thunderstorms.
A slight chance of showers in the morning, then a chance of showers in the afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms after midnight.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. A chance of showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers.
.WEDNESDAY...South winds 10 to 15 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-200630- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1237 PM CDT Fri Sep 19 2025
.TONIGHT...Southeast winds 5 to 10 knots, becoming around 5 knots late. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers late.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds.
A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.
.SUNDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. A chance of showers after midnight.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers after midnight.
.WEDNESDAY...South winds around 10 knots, becoming southeast in the afternoon. Seas around 3 feet. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-200630- 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-
1237 PM CDT Fri Sep 19 2025
.TONIGHT...East winds around 10 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers late.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Showers likely with a chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of thunderstorms.
A chance of showers in the evening, then showers likely after midnight.
.MONDAY...Southeast winds around 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. A chance of showers.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers.
.WEDNESDAY...South winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas around 3 feet. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
