Port Update
Corpus Christi, TX
September 25, 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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Please find attached MSIB XX-25 The Captain of the Port is establishing a worksite in the Corpus Christi Ship Channel, Inner Harbor. Callan Marine has informed the U.S. Coast Guard that they will be installing submerged pipeline in the Inner Harbor, on September 27, 2025, from 1000 to 1400.
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
1225 AM CDT Thu Sep 25 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.
GMZ200-251815-
1225 AM CDT Thu Sep 25 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Winds today switch from onshore to offshore as a frontal passage moves through the coastal waters throughout today.
Winds will continue to be gentle to moderate (BF 3-4), with near 2 ft seas.
This continues through Friday night when winds will switch to be more easterly with seas increasing to 2-3 ft from Sunday.
Rain chances decrease throughout the day and will generally remain low (under 30% chance) through the forecast period each afternoon.
$$
GMZ236-237-251815- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1225 AM CDT Thu Sep 25 2025
.TODAY...North winds 5 to 10 knots, becoming northeast late. Bay and inland waters smooth to slightly choppy. Showers and thunderstorms likely, mainly this morning.
.TONIGHT...Southeast winds around 5 knots, becoming northwest after midnight. Bay and inland waters smooth.
.FRIDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Bay and inland waters smooth to slightly choppy.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY...East winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
.SUNDAY...East winds 5 to 10 knots. Bay and inland waters smooth.
.SUNDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
.MONDAY...East winds 5 to 10 knots. Bay and inland waters smooth.
.MONDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-251815- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1225 AM CDT Thu Sep 25 2025
.TODAY...North winds 5 to 10 knots, becoming northeast late. Bay and inland waters smooth to slightly choppy. Showers likely this morning. A chance of thunderstorms. A chance of showers this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots, becoming west after midnight. Bay and inland waters smooth. A slight chance of showers and thunderstorms.
.FRIDAY...North winds 5 to 10 knots, becoming east in the afternoon. Bay and inland waters smooth.
.FRIDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Bay and inland waters smooth.
.SATURDAY...East winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
.SUNDAY...Northeast winds 5 to 10 knots. Bay and inland waters smooth.
.SUNDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
.MONDAY...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.MONDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-251815- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1225 AM CDT Thu Sep 25 2025
.TODAY...North winds 10 to 15 knots, becoming northeast 5 to 10 knots late. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds and southeast 2 feet at 5 seconds.
Showers with thunderstorms likely this morning, then a chance of showers and thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers and thunderstorms.
.FRIDAY...North winds around 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 6 seconds.
.FRIDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds.
.SATURDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.SUNDAY...East winds around 10 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-251815- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1225 AM CDT Thu Sep 25 2025
.TODAY...Northwest winds 10 to 15 knots, becoming northeast late. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds and southeast 2 feet at 5 seconds. A chance of thunderstorms. Showers, mainly this morning.
.TONIGHT...East winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms.
.FRIDAY...North winds around 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and southeast 2 feet at 6 seconds.
.FRIDAY NIGHT...East winds around 10 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet or less, then around 2 feet in the afternoon. Wave Detail: Southeast 1 foot at 5 seconds, becoming east 1 foot at 4 seconds.
.SATURDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.SUNDAY...East winds around 10 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...East winds around 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-251815- 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-
1225 AM CDT Thu Sep 25 2025
.TODAY...West winds around 10 knots, becoming northeast late. Seas 2 to 3 feet. Wave Detail: North 2 feet at 4 seconds and southeast 2 feet at 5 seconds. A chance of thunderstorms.
.TONIGHT...East winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 5 seconds.
A chance of showers with a slight chance of thunderstorms.
.FRIDAY...Northeast winds around 10 knots. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds and southeast 1 foot at 6 seconds. A slight chance of showers in the morning.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 5 seconds.
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds.
.SATURDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...East winds around 10 knots. Seas 2 to 3 feet. A chance of showers in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
