Port Update
Corpus Christi, TX
September 02, 2025
Notices
🌅SUNRISE: 0715 hrs.
🌄SUNSET: 1945 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 through 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
123 AM CDT Tue Sep 2 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.
GMZ200-021930-
123 AM CDT Tue Sep 2 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Gentle to moderate (BF 3-4) north-northeast winds will develop today and continue through Wednesday afternoon.
A low to medium (30-60%) chance of showers and thunderstorms will continue today before chances diminish this evening.
Onshore flow will resume late Wednesday/early Thursday.
This moisture return off the Gulf will help to influence the increase in rain chances this upcoming weekend.
$$
GMZ236-237-021930- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
123 AM CDT Tue Sep 2 2025
.TODAY...North winds 5 to 10 knots, becoming east late. Bay and inland waters smooth. A chance of showers and thunderstorms until late afternoon.
.TONIGHT...East winds 5 to 10 knots. Bay and inland waters smooth to slightly choppy.
.WEDNESDAY...North winds around 5 knots, becoming northeast in the afternoon. Bay and inland waters smooth to slightly choppy.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY...South winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers. A chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers after midnight.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-021930- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
123 AM CDT Tue Sep 2 2025
.TODAY...Northwest winds 5 to 10 knots, becoming east late. Bay and inland waters smooth. A chance of showers this morning. A chance of thunderstorms. A slight chance of showers this afternoon.
.TONIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
.WEDNESDAY...North winds around 5 knots, becoming northeast in the afternoon. Bay and inland waters smooth to slightly choppy.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.THURSDAY...Southwest winds around 5 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. 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...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...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. A chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms after midnight.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-021930- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
123 AM CDT Tue Sep 2 2025
.TODAY...North winds 5 to 10 knots, becoming northeast late. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds. A chance of showers and thunderstorms until late afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: East 1 foot at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-021930- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
123 AM CDT Tue Sep 2 2025
.TODAY...Northwest winds 5 to 10 knots, becoming northeast late. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds and southeast 1 foot at 4 seconds.
A chance of showers and thunderstorms this morning, then a chance of thunderstorms with a slight chance of showers early this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 4 seconds.
.WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-021930- 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-
123 AM CDT Tue Sep 2 2025
.TODAY...North winds 5 to 10 knots, becoming northeast late. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 8 seconds.
A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late.
.TONIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 8 seconds. A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds and east 1 foot at 7 seconds. A slight chance of showers and thunderstorms in the morning.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.THURSDAY...West winds around 5 knots, becoming east around 5 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A chance of showers after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms after midnight.
Winds and seas higher in and near thunderstorms.
