Marine Weather Net

Port Aransas to Matagorda Ship Channel Marine Forecast


TONIGHT

SE
WINDS
5 - 10
KNOTS

WEDNESDAY

SE
WINDS
5 - 10
KNOTS

WEDNESDAY NIGHT

SE
WINDS
10 - 15
KNOTS

THURSDAY

SE
WINDS
10 - 15
KNOTS

The Marine Weather Forecast In Detail:
GMZ255 Forecast Issued: 337 PM CDT Tue May 30 2023

Tonight...Southeast Winds 5 To 10 Knots. Waves Around 2 Feet. A Chance Of Thunderstorms With A Slight Chance Of Showers This Evening.
Wednesday...Southeast Winds 5 To 10 Knots. Waves Around 2 Feet.
Wednesday Night...Southeast Winds 10 To 15 Knots. Waves 2 To 3 Feet.
Thursday...Southeast Winds 10 To 15 Knots. Waves 2 To 3 Feet.
Thursday Night...Southeast Winds 10 To 15 Knots. Waves 2 To 3 Feet.
Friday...Southeast Winds Around 10 Knots. Waves Around 2 Feet.
Friday Night...Southeast Winds Around 10 Knots. Waves Around 2 Feet.
Saturday...Southeast Winds Around 10 Knots. Waves Around 2 Feet.
Saturday Night...Southeast Winds Around 10 Knots. Waves Around 2 Feet.
Sunday...Southeast Winds 5 To 10 Knots. Waves Around 2 Feet.
Sunday Night...Southeast Winds Around 10 Knots. Waves Around 2 Feet. Winds And Seas Higher In And Near Thunderstorms.
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Area Forecast Discussion
National Weather Service Corpus Christi TX
645pm CDT Tuesday May 30 2023

Long Term
(Thursday through next Monday) Issued at 343pm CDT Tuesday May 30 2023

The beginning of the long term period will feature increasing 500 hPa heigheights in response to a short wave trough exiting the southwest CONUS. This will contribute to drier conditions on Thursday and Friday. Deterministic and ensemble guidance has zonal to northwesterly flow at 500 hPa developing during the weekend into next week. Embedded vorticity maxima in the flow combined with PWAT (Precipitable Water) between the 50th and 75th percentile will allow for a 20% to 40% chance of showers and thunderstorms from Saturday night into early next week.

Astronomical high tide will increase as the full moon approaches on Saturday. P-ETSS guidance currently has water levels approaching 2 feet MSL along the entire middle Texas Coast. While impacts have generally been less than expected based on P-ETSS forecasts recently, there will be at least a low chance for minor coastal flooding during periods of high tide Friday into the weekend.

Marine
Issued at 343pm CDT Tuesday May 30 2023

Showers and thunderstorms are expected to continue through the afternoon hours before beginning to diminish this evening with the loss of daytime heating. Other than that, weak onshore flow tonight will increase slightly to more moderate levels tomorrow between 15 to 20 knots. Onshore flow of 15 knots or less and seas of two feet or less will persist into next week. Isolated showers and thunderstorms will return to the coastal waters Sunday and continue into next week.

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