Baffin Bay to Port Mansfield, TX 20 - 60 NM Marine Forecast
| Tonight...Southeast Winds 5 To 10 Knots. Seas 1 To 2 Feet. Wave Detail: East 1 Foot At 4 Seconds. A Chance Of Showers And Thunderstorms. |
| Monday...Southeast Winds Around 5 Knots. Seas 1 To 2 Feet. Wave Detail: Southeast 1 Foot At 4 Seconds. A Chance Of Showers And Thunderstorms Until Late Afternoon, Then A Slight Chance Of Showers And Thunderstorms Late In The Afternoon. |
| Monday Night...Southeast Winds 5 To 10 Knots, Becoming Around 5 Knots After Midnight. Seas 1 To 2 Feet. Wave Detail: Southeast 1 Foot At 4 Seconds. A Slight Chance Of Showers And Thunderstorms After Midnight. |
| Tuesday...Southeast Winds Around 5 Knots, Becoming East In The Afternoon. Seas 1 To 2 Feet. Wave Detail: Southeast 1 Foot At 4 Seconds. A Slight Chance Of Showers And Thunderstorms. |
| Tuesday Night...Southeast Winds Around 10 Knots. Seas 2 To 3 Feet. Wave Detail: Southeast 2 Feet At 5 Seconds. A Slight Chance Of Showers And Thunderstorms Early In The Evening. A Slight Chance Of Showers And Thunderstorms After Midnight. |
| Wednesday...Southeast Winds 5 To 10 Knots. Seas 2 To 3 Feet. Wave Detail: Southeast 2 Feet At 5 Seconds. A Chance Of Showers With A Slight Chance Of Thunderstorms. |
| Wednesday Night...Southeast Winds Around 10 Knots. Seas 2 To 3 Feet. A Chance Of Showers With A Slight Chance Of Thunderstorms Early In The Evening. A Chance Of Showers With A Slight Chance Of Thunderstorms After Midnight. |
| Thursday...Southeast Winds Around 10 Knots. Seas 2 To 3 Feet. A Chance Of Showers With A Slight Chance Of Thunderstorms. |
| Thursday Night...Southeast Winds Around 10 Knots. Seas 2 To 3 Feet. A Slight Chance Of Thunderstorms. |
| Friday...Southeast Winds 5 To 10 Knots. Seas 2 To 3 Feet. A Chance Of Showers With A Slight Chance Of Thunderstorms. |
| Friday Night...Southeast Winds Around 10 Knots. Seas 2 To 3 Feet. A Chance Of Showers With A Slight Chance Of Thunderstorms Early In The Evening. A Slight Chance Of Showers And Thunderstorms After Midnight. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion ...UPDATED National Weather Service Brownsville TX 625pm CDT Sunday September 15 2024 Long Term (Tuesday through next Sunday) Issued at 242pm CDT Sunday September 15 2024 Global deterministic forecast models and ensembles continue to depict a 591 dam heat dome/ridge building over northeastern Mexico into Deep South Texas through the extended. This will yield slightly warmer/hotter than normal temperatures during the long-term period with mainly dry/rain-free conditions in place. Over the past week, forecast models have trended and favored more ridging developing over the region. Atmospheric moisture content will be lower compared to previous days/weeks with precipitable water (PWAT) values between 1.5-2.0 inches. Despite the lower values, it should be adequate enough to support a rogue or isolated chance for a shower or thunderstorm nearly each day. Subsidence, however, with the aforementioned mid- level ridging in place, will help to keep things mostly suppressed during the period. That said, expect for mainly dry or rain-free conditions to prevail through the long-term period with an isolated chance for a shower or storm nearly each day. Temperature anomalies will run slightly warmer/hotter than mid-late September standards through the extended. High temperatures are expected to be in the mid to upper 90s for much of the region and for much of the period. Moderate HeatRisk can be expected for the most part through the extended. There could be areas of major HeatRisk developing, especially in the Wednesday-Friday timeframe. Heat indices are expected to range between 105-111F on Tuesday and again on Saturday (slightly lower values on Sunday). Heat indices are forecast to range between 108-115F Wednesday through Friday. That said, Special Weather Statements (SPS) to Heat Advisories may be needed during the expected. Marine Issued at 242pm CDT Sunday September 15 2024 Tonight through Monday night...Pressure gradient remain weak over the Gulf of Mexico as surface high pressure remains centered over the western Gulf and a stationary front remains draped across the northeast Gulf of Mexico. Light Southeast wind and slight seas observed over the Lower Texas coastal waters are expected to persist through the period. Main impact on the coastal waters will be scattered to numerous showers and isolated thunderstorms. Heavy rainfall, poor visibility within the heavy rainfall and possible waterspouts as well as lightning is possible within the unsettled weather conditions. Tuesday through Sunday....Outside of any convection, favorable marine conditions (light to moderate winds and light seas) are expected to prevail Tuesday through next Sunday. NOAA Brownsville TX Office: Watches - Warnings - Advisories None. |
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