Marine Weather Net

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


TODAY

SE
WINDS
5 - 10
KNOTS

TONIGHT

SE
WINDS
5 - 10
KNOTS

MONDAY

SE
WINDS
5 - 10
KNOTS

MONDAY NIGHT

SE
WINDS
5 - 10
KNOTS

The Marine Weather Forecast In Detail:
GMZ275 Forecast Issued: 246 AM CST Sun Mar 03 2024

Today...Southeast Winds 5 To 10 Knots. Waves Around 2 Feet. Patchy Fog This Morning.
Tonight...Southeast Winds 5 To 10 Knots. Waves 2 To 3 Feet. Patchy Fog.
Monday...Southeast Winds 5 To 10 Knots. Waves 2 To 3 Feet. Patchy Fog. A Slight Chance Of Showers And Thunderstorms In The Afternoon.
Monday Night...Southeast Winds 5 To 10 Knots, Becoming South After Midnight. Waves Around 2 Feet. A Chance Of Showers And Thunderstorms.
Tuesday...Northwest Winds 5 To 10 Knots, Becoming Northeast In The Afternoon. Waves 2 To 3 Feet. A Slight Chance Of Showers And Thunderstorms In The Morning.
Tuesday Night...Southeast Winds 5 To 10 Knots. Waves Around 3 Feet.
Wednesday...East Winds 5 To 10 Knots. Waves Around 3 Feet.
Wednesday Night...Southeast Winds 10 To 15 Knots. Waves 3 To 4 Feet, Occasionally Seas Around 5 Feet.
Thursday...Southeast Winds 10 To 15 Knots. Waves Around 3 Feet.
Thursday Night...Southeast Winds 10 To 15 Knots. Waves Around 3 Feet. Winds And Seas Higher In And Near Thunderstorms.
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Area Forecast Discussion
National Weather Service Corpus Christi TX
612am CST Sunday Mar 3 2024

.SHORT TERM... (Today through Monday) Issued at 219am CST Sunday Mar 3 2024

Key Message

-Fog both marine and land early this morning and early Monday morning. -Thunderstorms possible (20-30%) Monday afternoon. Storm Prediction Center Marginal risk for Victoria.

Stratus has again moved into the region at less than 1000 feet, and built down to the sfc. The difference from yesterday is that we are now getting visibilities of less than a mile, and near the coast, less than 1/2 mile at times. The fog will be the most dense near the Coastal Bend and in the Victoria Crossroads this morning. Once the sun comes up, some low level mixing is expected, so that the dense fog should lift back with the stratus for the afternoon. The weak to moderate onshore flow will continue to stream the moisture tonight, bringing another round of fog near the coast and inland. The fog is expected to lift during the late morning on Monday, with a small chance (20-30%) for showers and thunderstorms as a 500 mb 50 kt jet streak moves through the region. While mainly Victoria is in a marginal risk for the afternoon, think that the chances are small with the main wave moving well north with the jet streak.

Long Term
(Monday night through next Saturday) Issued at 219am CST Sunday Mar 3 2024

The long term opens up with a shortwave passing through the nearly zonal flow aloft while a moist onshore flow continues at the surface. We will hang on to a ~20% chance for showers and storms as a stream of H5 vorticity may provide enough support to squeeze out some activity. The middle of the work week will feature a stalled boundary to our north and increasing low level moisture across the region as onshore flow persists. This will allow for patchy fog daily each morning for those east of Highway 281. Sea fog can also not be ruled out as dewpoints will be slightly higher than our SSTs.

By Friday, an upper trough will dive south towards the Desert Southwest and lift across the Southern Plains. A leading shortwave will send a Pacific front through the region Friday morning. As the main trough swings through, another front will be sent south late Friday into Saturday morning. We could see an isolated shower or storm as the Pacific front moves through but the lack of forcing will likely keep us dry. Moisture will be carried away from the region as the first front moves offshore leaving a dry FROPA when the second front arrives.

Our warming trend continues as we move through the work week. Highs will settle into the low 90s out west by mid week. Friday's cold front will help cool us off for the weekend with highs in the 70s and lows in the 40s/50s.

Marine
Issued at 219am CST Sunday Mar 3 2024

Low clouds have built down into the coastal waters and bays to produce visibilities less than 1 mile. When the sun rises, there will be enough mixing to lift the visibility up, but there will be patchy fog into the tonight. The weak to moderate onshore flow will continue into Monday bringing in more moisture to continue the low clouds during the day, and areas of fog at night. Showers and thunderstorms are possible (20-30% chance) in the afternoon as a trough of low pressure moves through the region. Patchy sea fog will be possible each morning through Friday. Winds will shift to the north Tuesday morning as a front stalls to our north. Isolated showers and thunderstorms are possible through Tuesday afternoon over the coastal waters. Onshore flow resumes late Tuesday while increasing to weak to moderate levels through Friday morning. Winds will shift to the northwest Friday morning behind a Pacific front and then to north Friday evening as a second front moves offshore.

NOAA Corpus Christi TX Office: Watches - Warnings - Advisories
TX...Dense Fog Advisory until 9am CST this morning for TXZ234- 245>247-342>347-442-443-447.

GM...Dense Fog Advisory until 11am CST this morning for GMZ231-232- 236-237-250-255.