Marine Weather Net

Port Aransas to Matagorda Ship Channel 20 - 60 NM Marine Forecast


REST OF TODAY

E
WINDS
10 - 15
KNOTS

TONIGHT

E
WINDS
10 - 15
KNOTS

SATURDAY

E
WINDS
10 - 15
KNOTS

SATURDAY NIGHT

E
WINDS
10 - 15
KNOTS

The Marine Weather Forecast In Detail:
GMZ275 Forecast Issued: 1031 AM CDT Fri Sep 29 2023

Rest Of Today...East Winds 10 To 15 Knots. Waves Around 3 Feet. Scattered Showers With Isolated Thunderstorms.
Tonight...East Winds 10 To 15 Knots. Waves Around 3 Feet. A Chance Of Showers With A Slight Chance Of Thunderstorms In The Evening, Then Showers Likely With A Chance Of Thunderstorms After Midnight.
Saturday...East Winds 10 To 15 Knots. Waves 3 To 4 Feet, Occasionally Seas Around 5 Feet. A Chance Of Thunderstorms. Showers.
Saturday Night...East Winds 10 To 15 Knots With Gusts Up To 20 Knots. Waves 3 To 4 Feet, Occasionally Seas Around 5 Feet. A Chance Of Showers And Thunderstorms.
Sunday...East Winds 10 To 15 Knots. Waves 3 To 4 Feet, Occasionally Seas Around 5 Feet. A Chance Of Thunderstorms. A Chance Of Showers.
Sunday Night...East Winds 10 To 15 Knots With Gusts Up To 20 Knots. Waves 3 To 4 Feet, Occasionally Seas Around 5 Feet. A Chance Of Thunderstorms. A Chance Of Showers.
Monday...East Winds 10 To 15 Knots. Waves 3 To 4 Feet, Occasionally Seas Around 5 Feet. A Chance Of Showers And Thunderstorms.
Monday Night...East Winds 10 To 15 Knots. Waves 4 To 5 Feet, Occasionally Seas Up To 6 Feet. A Chance Of Showers And Thunderstorms.
Tuesday...East Winds 10 To 15 Knots. Waves 4 To 5 Feet, Occasionally Seas Up To 6 Feet. A Chance Of Showers And Thunderstorms.
Tuesday Night...Southeast Winds 10 To 15 Knots. Waves 4 To 5 Feet, Occasionally Seas Up To 6 Feet. A Chance Of Showers And Thunderstorms. Winds And Seas Higher In And Near Thunderstorms.
SHARE THIS PAGE:           
Area Forecast Discussion
National Weather Service Corpus Christi TX
1243pm CDT Fri September 29 2023

Long Term
(Saturday night through next Thursday) Issued at 335am CDT Fri September 29 2023

Key Messages:

- Minor coastal flooding will be possible early next week - Good rain chances are expected through the long term

A weak upper level ridge will move into the northwest Gulf of Mexico Saturday night into Sunday as a strong upper trough moves into the western United States. Models show a persistent moist easterly flow into the coastal waters and coastal plains for early next week. The ensembles show precipitable water values ranging from 1.7 to 2.0 inches from west to east Sunday through Tuesday. These values are above normal for this time of year. Expect scattered convection will occur over the coastal waters at night into early morning and move inland during the day from Saturday night through Tuesday.

The upper trough will move into the Rockies by Tuesday and into the plains on Wednesday. If the upper trough continues to progress to the east by Thursday, the pattern would be favorable for a front to reach the area by Thursday. But the deterministic models show differences with the upper trough as it moves out of the plains. The ensembles show some differences as well. GEFS shows the progressive trough with drying behind the front by Thursday. But the ECENS/CAN ensembles keep high moisture in place into Thursday with ensemble mean values of PW around 2 inches. With the upper trough approaching Wednesday and the front moving into the region Thursday, will lean toward the wetter scenario and continue the good rain chances into Thursday.

With persistent easterly flow along with being near the time of the full moon, minor coastal flooding will be possible at high tide early next week. P-ETSS continues to forecast tides reaching 2 feet MSL at Aransas Pass during the afternoons Sunday and Monday.

Marine
Issued at 335am CDT Fri September 29 2023

A generally weak northeast flow will strengthen to weak to moderate and shift eastward this afternoon. Isolated to scattered showers and thunderstorms today will increase in coverage tomorrow over the waters. A generally weak to moderate easterly flow will occur Saturday night through Tuesday night with occasional periods of moderate flow over the Gulf waters at night. Scattered showers and thunderstorms are expected daily from Sunday through Tuesday.

NOAA Corpus Christi TX Office: Watches - Warnings - Advisories
TX...None. GM...None.