Port Aransas to Matagorda Ship Channel Marine Forecast
| Rest Of Tonight...South Winds 10 To 15 Knots. Seas Around 3 Feet. Wave Detail: South 3 Feet At 6 Seconds. |
| Tuesday...South Winds 5 To 10 Knots. Seas 2 To 3 Feet. Wave Detail: South 2 Feet At 6 Seconds. |
| Tuesday Night...Southeast Winds 10 To 15 Knots With Gusts Up To 20 Knots, Diminishing To 5 To 10 Knots After Midnight. Seas 2 To 3 Feet. Wave Detail: Southeast 2 Feet At 7 Seconds. |
| Wednesday...East Winds 5 To 10 Knots. Seas Around 2 Feet. Wave Detail: Southeast 2 Feet At 6 Seconds. A Slight Chance Of Showers And Thunderstorms. |
| Wednesday Night...East Winds 10 To 15 Knots, Diminishing To 5 To 10 Knots After Midnight. Seas 2 To 3 Feet. Wave Detail: Southeast 3 Feet At 5 Seconds And Southeast 1 Foot At 8 Seconds. A Chance Of Showers With A Slight Chance Of Thunderstorms After Midnight. |
| Thursday...East Winds 5 To 10 Knots, Increasing To 10 To 15 Knots In The Afternoon. Seas 2 To 3 Feet. Wave Detail: East 3 Feet At 6 Seconds. A Chance Of Thunderstorms. Showers Likely, Mainly In The Morning. |
| Thursday Night...East Winds 10 To 15 Knots. Seas 3 To 4 Feet, Occasionally To 5 Feet. A Chance Of Showers. |
| Friday...East Winds 10 To 15 Knots. Seas 3 To 4 Feet, Occasionally To 5 Feet. |
| Friday Night...East Winds 10 To 15 Knots, Becoming Southeast 5 To 10 Knots After Midnight. Seas 3 To 4 Feet, Occasionally To 5 Feet. |
| Saturday...East Winds 5 To 10 Knots. Seas 2 To 3 Feet. |
| Saturday Night...Southeast Winds 5 To 10 Knots. Seas 2 To 3 Feet. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Corpus Christi TX 649am CDT Tuesday September 15 2026 Issued at 1205am CDT Tuesday September 15 2026 The heat continues to be a concern, but heat indices are expected to be generally less than 110 today. This is due to drier conditions with slightly lower dewpoints/RH values. A few locations may exceed 110 briefly. We may reach Heat Advisory criteria Wednesday, but it will be borderline. Heat Advisory conditions are less likely through the remainder of the week and into the weekend due to increasing rain chances/cooler temperatures. This will lead to the major to extreme risk of heat related impacts today to lower to a moderate to major risk the rest of the week. Slightly drier conditions in the mid levels and PWATs (Precipitable Waters) generally less than 2 inches today will keep rain chances low to very low across most of S TX. Although a rogue shower along the sea breeze can not be ruled out. Models have consistently shown a surge of deeper moisture advecting across S TX beginning Wednesday with increasing rain chances through Thursday. PWATs (Precipitable Waters) are forecast to increase to as much as 2.4 inches, which will be conducive for locally heavy rain creating localized flooding problems, especially if the storms are slow moving. Highest rain chances Thursday are expected across the eastern half of S TX with Probability of Precipitation from 35-60% and <35% closer to the Rio Grande. Rain chances begin to drop off Friday to a 20-35% chance then 5-20% over the weekend as mid level ridging takes hold. Sufficient moisture should remain in place early next week for a 10-20% chance of showers and storms along the daily sea breeze. Models show a long easterly fetch developing across the northern gulf waters this week which may help push water farther up the beaches. Will continue to monitor trends for slightly higher than normal tides and/or an increased rip current risk. At this time, minor coastal flooding is not anticipated but will continue to be monitored. Marine Issued at 1205am CDT Tuesday September 15 2026 A fresh (BF 5) breeze is expected south of Port Aransas across Corpus Christi and Baffin Bays and out to 20 nautical miles once again this afternoon. Small Craft Should Exercise Caution in the bays and nearshore waters south of Port Aransas through this evening. Otherwise, a gentle to moderate (BF 3-4) onshore flow is expected through the week and into the weekend. Very low rain chances expected today. Rain chances increase to medium on Wednesday and high chances by Thursday. Rain chances begin to decrease Friday with low to very low rain chances this weekend. Fire Weather Issued at 1205am CDT Tuesday September 15 2026 Minimum relative humidity is expected to be around 20-30% this afternoon across the Brush Country. Thus, Elevated Fire Weather concerns are expected and a Fire Danger Statement has been issued for the Brush Country this afternoon. The ERC remains at the 75-90% percentile, and Elevated Fire Weather conditions will be possible at times through the period. The chance of wetting rains will be very low today, then increasing rain chances expected beginning Wednesday with the highest chance expected Thursday. NOAA Corpus Christi TX Office: Watches - Warnings - Advisories TX...None. GM...None. |
Corpus Christi TX Radar
Gulf Radar