Port Update
Corpus Christi, TX
October 01, 2025
Notices
🌅SUNRISE: 0715 hrs.
🌄SUNSET: 1915 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 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
1235 AM CDT Wed Oct 1 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.
GMZ200-011830-
1235 AM CDT Wed Oct 1 2025
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Winds will be predominately light to gentle (BF 2-3) and directionally variable with 2-3 ft seas through Thursday night.
By Friday, these winds increase to more moderate to fresh (BF 4-5) strength out of the east-northeast with seas increasing to 3-5 ft.
This pattern continues through the weekend with winds decreasing slightly on Monday to become gentle to moderate out of the east-southeast with persistent seas around 3 ft.
Rain chances return Thursday night, increasing to moderate to high rain chances of 60-90% Friday, then decreasing to 40-60% chances Saturday into early next week.
$$
GMZ236-237-011830- Copano, Aransas, and Redfish Bays- San Antonio, Mesquite, and Espiritu Santo Bays-
1235 AM CDT Wed Oct 1 2025
.TODAY...North winds around 5 knots, becoming east early this afternoon, then becoming southeast late. Bay and inland waters smooth.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.THURSDAY...North winds around 5 knots, becoming east in the afternoon. Bay and inland waters smooth.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.SATURDAY...East winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.SUNDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Bay and inland waters smooth. A chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers after midnight.
Winds and waves higher in and near thunderstorms.
$$
GMZ231-232-011830- Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
1235 AM CDT Wed Oct 1 2025
.TODAY...Northwest winds around 5 knots, becoming north late this morning, then becoming east this afternoon. Bay and inland waters smooth.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
.THURSDAY...Northwest winds around 5 knots, becoming east in the afternoon. Bay and inland waters smooth.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland waters smooth.
.FRIDAY...Northeast 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.
A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.SATURDAY...Northeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers.
.SATURDAY NIGHT...East 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 after midnight.
.SUNDAY...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers after midnight.
Winds and waves higher in and near thunderstorms.
$$
GMZ255-011830- Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM-
1235 AM CDT Wed Oct 1 2025
.TODAY...North winds around 5 knots, becoming east around 5 knots late. Seas around 2 feet or less. Wave Detail: East 1 foot at 5 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet or less. Wave Detail: Southeast 1 foot at 4 seconds.
.THURSDAY...North winds around 5 knots, becoming east in the afternoon. Seas around 2 feet or less. Wave Detail: Southeast 1 foot at 5 seconds.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet or less. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers after midnight.
.FRIDAY...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. Showers likely.
A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A chance of showers.
.SATURDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers.
.SATURDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers.
.SUNDAY...East winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Seas 2 to 3 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
$$
GMZ250-011830- Coastal waters from Baffin Bay to Port Aransas out 20 NM-
1235 AM CDT Wed Oct 1 2025
.TODAY...Northwest winds around 5 knots, becoming north around 5 knots late this morning, then becoming northeast early this afternoon, becoming east late. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 5 seconds, becoming southeast 1 foot at 5 seconds.
.THURSDAY...North winds around 5 knots, becoming northeast in the afternoon. Seas around 2 feet or less. Wave Detail: East 1 foot at 5 seconds.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet or less. Wave Detail: East 1 foot at 5 seconds. A slight chance of showers after midnight.
.FRIDAY...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. Showers likely.
A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers in the evening, then showers likely after midnight.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers.
.SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers.
.SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Seas around 3 feet. A chance of showers after midnight.
Winds and seas higher in and near thunderstorms.
$$
GMZ270-275-011830- 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-
1235 AM CDT Wed Oct 1 2025
.TODAY...Northeast winds around 5 knots, becoming around 5 knots late. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet in the evening, then around 2 feet or less. Wave Detail: Northeast 1 foot at 4 seconds, becoming east 1 foot at 4 seconds.
.THURSDAY...Northeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas around 2 feet or less. Wave Detail: East 1 foot at 5 seconds. A slight chance of showers.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers in the evening, then a chance of showers after midnight.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. Showers.
A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds. Showers likely.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers.
.SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
