Port Update
Corpus Christi, TX
August 12, 2025
Notices
🌅SUNRISE: 0700 hrs.
🌄SUNSET: 2015 hrs.
===================
Central Daylight Time
GMT-5
MARSEC LEVEL 1
========================================
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
========================================
PORT OF CORPUS CHRISTI OPEN
==============================
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.
===================================
Please find attached MSIB 17-25 regarding Vessel Surge Events – Safety Recommendations from the U.S. Coast Guard.
Please read attached Vessel Surge Recommendations.
===========================================
Please find attached MSIB 111-23 for GANGWAY SAFETY REQUIREMENTS
=================================================
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.
Weather / Marine Zone Forecast
Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
1147 PM CDT Mon Aug 11 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.
GMZ200-121730-
1147 PM CDT Mon Aug 11 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A light to gentle (BF 2-3) southeasterly breeze with 1-2 ft seas will persist through Wednesday.
By Wednesday night, winds will pick up to mostly moderate (BF 4) strength, with seas increasing to 2-3 ft persisting through the remainder of the week.
Low rain chances (20-40%) will persist heading into the weekend.
$$
GMZ236-237-121730- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1147 PM CDT Mon Aug 11 2025
.TODAY...Southwest winds around 5 knots, becoming west late this morning, then becoming southeast this afternoon. Bay and inland waters smooth. A slight chance of showers and thunderstorms until late afternoon.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.TUESDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
.TUESDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Bay and inland waters smooth.
.WEDNESDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth. A slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds around 10 knots. Bay and inland waters slightly choppy.
.THURSDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-121730- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1147 PM CDT Mon Aug 11 2025
.TODAY...South winds around 5 knots, becoming southeast late this morning and early afternoon, then becoming east 10 to 15 knots late. Bay and inland waters slightly choppy to occasionally choppy.
A slight chance of showers and thunderstorms early this afternoon.
.TONIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.TUESDAY...South winds around 5 knots, becoming southeast 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.THURSDAY...South winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.THURSDAY NIGHT...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.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-121730- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1147 PM CDT Mon Aug 11 2025
.TODAY...South winds around 5 knots, becoming west late this morning, then becoming east this afternoon. Seas around 2 feet or less. Wave Detail: East 1 foot at 5 seconds.
A slight chance of showers and thunderstorms until late afternoon.
.TONIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds.
.TUESDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet in the morning, then around 2 feet or less.
Wave Detail: East 1 foot at 4 seconds and south 1 foot at 4 seconds, becoming south 1 foot at 4 seconds.
.TUESDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A slight chance of showers after midnight.
.WEDNESDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet or less, then around 2 feet in the afternoon. Wave Detail: South 1 foot at 4 seconds.
A slight chance of showers and thunderstorms in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.THURSDAY...South winds 10 to 15 knots. Seas around 2 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...South winds 10 to 15 knots. Seas around 3 feet. A chance of showers and thunderstorms in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-121730- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1147 PM CDT Mon Aug 11 2025
.TODAY...South winds around 5 knots, becoming east this afternoon. Seas around 2 feet or less, then around 2 feet this afternoon.
Wave Detail: South 1 foot at 3 seconds and east 1 foot at 6 seconds, becoming southeast 1 foot at 5 seconds.
.TONIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.TUESDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet or less, then around 2 feet in the afternoon.
Wave Detail: South 1 foot at 4 seconds, becoming southeast 2 feet at 5 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas around 3 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
$$
GMZ270-275-121730- 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-
1147 PM CDT Mon Aug 11 2025
.TODAY...South winds around 5 knots, becoming west late this morning, then becoming northeast early this afternoon, becoming east late. Seas around 2 feet this morning, then around 2 feet or less.
Wave Detail: East 1 foot at 5 seconds, becoming south 1 foot at 4 seconds and east 1 foot at 5 seconds. A slight chance of showers and thunderstorms this morning.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds.
.TUESDAY...Southwest winds 5 to 10 knots, becoming east in the afternoon. Seas around 2 feet in the morning, then around 2 feet or less.
Wave Detail: South 1 foot at 4 seconds and east 1 foot at 5 seconds, becoming southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers after midnight.
.WEDNESDAY...Southwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet or less, then around 2 feet in the afternoon.
Wave Detail: South 1 foot at 4 seconds, becoming south 2 feet at 5 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. A chance of showers and thunderstorms in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Winds and seas higher in and near thunderstorms.
