Port Aransas to Matagorda Ship Channel Marine Forecast
| Tonight...East Winds 10 To 15 Knots. Seas 2 To 3 Feet. Wave Detail: East 3 Feet At 6 Seconds. |
| Tuesday...East Winds 10 To 15 Knots. Seas 2 To 3 Feet. Wave Detail: East 3 Feet At 5 Seconds. |
| Tuesday Night...East Winds 10 To 15 Knots, Diminishing To 5 To 10 Knots After Midnight. Seas Around 2 Feet. Wave Detail: East 2 Feet At 5 Seconds. |
| Wednesday...Northeast Winds 5 To 10 Knots. Seas Around 2 Feet. Wave Detail: East 2 Feet At 5 Seconds. |
| Wednesday Night...Southeast Winds 5 To 10 Knots. Seas Around 2 Feet. Wave Detail: East 2 Feet At 4 Seconds. |
| Thursday...Southeast Winds 5 To 10 Knots. Seas Around 2 Feet In The Morning, Then Around 2 Feet Or Less. Wave Detail: Southeast 2 Feet At 4 Seconds, Becoming Southeast 1 Foot At 4 Seconds. |
| Thursday Night...Southeast Winds 10 To 15 Knots. Seas Around 2 Feet. |
| Friday...Southeast Winds 5 To 10 Knots. Seas Around 2 Feet. |
| Friday Night...Southeast Winds 10 To 15 Knots. Seas 2 To 3 Feet. |
| Saturday...South Winds 10 To 15 Knots, Diminishing To 5 To 10 Knots In The Afternoon. Seas 2 To 3 Feet. |
| Saturday Night...South Winds 10 To 15 Knots. Seas 2 To 3 Feet. |
| Area Forecast Discussion National Weather Service Corpus Christi TX 130pm CDT Monday Oct 13 2025 Issued at 127pm CDT Monday Oct 13 2025 This morning, numerous webcams across the barrier islands once again showed water levels that reached the dunes during high tide. Swell periods will continue to remain elevated (above 8 seconds) through at least Monday night, with current swell heigheights of 1-3 feet and swell periods of 8-10 seconds per buoys 42092 and 42019. The P-ETSS model continues to show water levels reaching between 2.1-2.3 feet above Mean Sea Level (MSL) tonight during high tide with a downtrend beginning Tuesday night across the barrier islands. Apart from the increased swell heigheights and periods, the observed minus predicted tide values are still at 0.80 ft, down from 1.10 feet a couple days ago. With the longer swell periods hanging around and adding the 0.80 ft value to the predicted 1.2 foot water level at high tide tonight, we are expecting water levels to reach at least 2.0 feet MSL tonight. As we head into Tuesday and mid-week, swell periods are expected to continue decreasing which will help tame the threat of this coastal flooding event. The observed minus predicted tidal values for the bays continue to fall. They are currently down to 0.40 feet from 0.70-0.90 feet a couple days ago. Therefore, we removed the bays from tonight's Coastal Flood Advisory and only went with the barrier islands. Other than that, slightly above normal temperatures are expected across South Texas with only slim chances (less than 10%) for rain through Thursday night, except for Tuesday, where low end rain chances (20-25%) can be anticipated for the southern Brush Country. While low end rain chances (20-25%) return next weekend, accumulations are expected to be minimal less than 0.25" for any area that would be lucky enough to see a shower. Marine Issued at 127pm CDT Monday Oct 13 2025 A moderate breeze (BF 4) is expected through Tuesday evening before a gentle breeze returns (BF 3) Tuesday night. Winds Thursday afternoon are expected to increase and promote a moderate breeze once again. Slim rain chances (less than 10%) are expected everyday except for Monday night and late this week when low (15-25%) chances for rain are expected. Fire Weather Issued at 127pm CDT Monday Oct 13 2025 Drier conditions are expected this week with Wednesday expected to be the driest day with minimum relative humidity values ranging from 25-40% in the afternoon. Although winds will be weak, the Energy Release Component those for Wednesday is expected to range from the 55-85th percentile within the area of the lowest relative humidity values which will yield a low chance for elevated fire weather conditions. Other than Wednesday, elevated fire weather conditions are not expected. NOAA Corpus Christi TX Office: Watches - Warnings - Advisories TX...Coastal Flood Advisory from 7pm this evening to 11am CDT Tuesday for TXZ345-442-443-447. GM...None. |
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