Baffin Bay to Port Mansfield, TX 20 - 60 NM Marine Forecast
| Tonight...East Winds 5 To 10 Knots. Seas 2 To 3 Feet. |
| Wednesday...East Winds 5 To 10 Knots. Seas 1 To 2 Feet. A Slight Chance Of Showers And Thunderstorms In The Morning. |
| Wednesday Night...Southeast Winds 10 To 15 Knots. Seas 2 To 3 Feet. |
| Thursday...Southeast Winds 5 To 10 Knots. Seas 2 To 3 Feet. |
| Thursday Night...East Winds Around 10 Knots. Seas 3 To 4 Feet. |
| Friday...Southeast Winds 5 To 10 Knots. Seas 3 To 4 Feet. |
| Friday Night...Southeast Winds Around 10 Knots. Seas 2 To 4 Feet. |
| Saturday...Southeast Winds Around 10 Knots. Seas 2 To 3 Feet. |
| Saturday Night...Southeast Winds 10 To 15 Knots. Seas 2 To 3 Feet. |
| Sunday...Southeast Winds Around 10 Knots. Seas 2 To 3 Feet. A Slight Chance Of Thunderstorms In The Morning. A Slight Chance Of Showers. |
| Sunday Night...Southeast Winds Around 10 Knots. Seas 2 To 3 Feet. A Slight Chance Of Showers After Midnight. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion ...UPDATED National Weather Service Brownsville TX 605pm CDT Tuesday May 30 2023 Long Term (Thursday through next Tuesday) Issued at 226pm CDT Tuesday May 30 2023 The long term forecast for Thursday through next Tuesday can expect to see light onshore flow that will help to bring in some humid air to Deep South Texas. Mid-level riding is expected to start out the long term forecast period and could persist to the start of the weekend. This pattern will keep Deep South Texas with less rain chances during this time period. During the weekend, the mid-level ridge will flatten out as a mid-level low over the Four Corners moves into North Texas. This feature will allow for shortwaves travel around the edges of the mid- level ridge. GFS (Global Forecast System) and ECMWF (European Centre for Medium-Range Weather Forecasts) have PWATs (Precipitable Waters) around 1.75 inches over the course of the weekend, so there is moisture in the atmosphere for developing showers and possible thunderstorms. Timing for showers and thunderstorms looks to be late Saturday into Sunday with another around late Sunday into Monday morning. The rest of Monday and Tuesday appear to be relatively rain free at this time, due to another mid-level ridge building in to the west of Deep South Texas. As for temperatures, we can expect seasonal temperatures throughout for the long term period. Daytime high temperatures for most of Deep South Texas will be in the 90s except for locations along the coast, which will see high temperatures in the 80s. Night time low tempeatures are expected to be in the 70s. Heat indices do reach over 100 in the long term during the days for Starr and Hidalgo counties. Summer time heat is not that far away so make sure you prepare accordingly. Marine Issued at 226pm CDT Tuesday May 30 2023 Now through Wednesday night...An initially weak and diffuse gradient will gradually become more established as onshore through the period. Also, the gradient will tighten ever so slightly through the period and allow seas to slowly build from 1-2 ft to 2-3 ft by Wednesday night. Thursday through Next Tuesday...Generally favorable marine conditions are expected. Light onshore winds and seas generally between 2 to 3 feet. Some showers and thunderstorms are possible Sunday and Monday. These showers and thunderstorms could produce locally higher winds and seas. NOAA Brownsville TX Office: Watches - Warnings - Advisories TX...None. GM...None. |
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