Port Update
Corpus Christi, TX
October 15, 2025
Notices
🌅SUNRISE: 0730 hrs.
🌄SUNSET: 1900 hrs.
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Central Daylight Time – 17 days until Day Lights Saving
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 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 89-25 as the Captain of the Port is establishing a worksite in the Corpus Christi Ship Channel, Inner Harbor as they will be repositioning submerged pipeline in the Inner Harbor October 15, 2025
Please see attached for more information.
Weather / Marine Zone Forecast
Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX
1233 AM CDT Wed Oct 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.
GMZ200-151830-
1233 AM CDT Wed Oct 15 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A gentle breeze (BF 3) will persist Wednesday and Thursday.
The flow is expected to strengthen to moderate (BF 4) out of the southeast by Friday.
Low (5-20%) rain chances are expected much of the period, but chance could increase to moderate (30-40%) offshore Thursday night through Friday night.
$$
GMZ236-237-151830- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1233 AM CDT Wed Oct 15 2025
.TODAY...North winds 5 to 10 knots, becoming southeast late. Bay and inland waters smooth.
.TONIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.THURSDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...South winds 5 to 10 knots. Bay and inland waters smooth.
.SATURDAY NIGHT...South winds around 10 knots, becoming 5 to 10 knots after midnight. Bay and inland waters smooth.
.SUNDAY...Northwest winds 5 to 10 knots, becoming east in the afternoon. Bay and inland waters smooth.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay and inland waters slightly choppy.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-151830- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1233 AM CDT Wed Oct 15 2025
.TODAY...Northeast winds 5 to 10 knots, becoming east this afternoon. Bay and inland waters smooth.
.TONIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.THURSDAY...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.FRIDAY...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.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming south after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south after midnight. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY...Northwest winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy.
$$
GMZ255-151830- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1233 AM CDT Wed Oct 15 2025
.TODAY...Northeast winds 5 to 10 knots, becoming east late. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.TONIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms after midnight.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY...Northwest winds around 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-151830- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1233 AM CDT Wed Oct 15 2025
.TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds and southeast 2 feet at 4 seconds. A slight 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. Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south after midnight. Seas around 3 feet.
.SUNDAY...West winds 5 to 10 knots, becoming northeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ275-151830- Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM-
1233 AM CDT Wed Oct 15 2025
.TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.TONIGHT...East winds around 10 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds.
A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight.
.FRIDAY...Southeast winds around 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
.SUNDAY...West winds around 10 knots, becoming northeast in the afternoon. Seas around 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-151830- Waters from Baffin Bay to Port Aransas from 20 to 60 NM-
1233 AM CDT Wed Oct 15 2025
.TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds.
.TONIGHT...East winds around 10 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.THURSDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet.
.SATURDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
.SUNDAY...West winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
Winds and seas higher in and near thunderstorms.
