Laguna Madre from the Port of Brownsville to the Arroyo Colorado Marine Forecast
| Today...Southeast Winds Around 5 Knots, Increasing To 5 To 10 Knots. Smooth On The Bay, Increasing To Light Chop. |
| Tonight...Southeast Winds 10 To 15 Knots, Becoming South After Midnight. Light Chop On The Bay. |
| Saturday...South Winds 5 To 10 Knots, Becoming Southeast 15 To 20 Knots. Light Chop On The Bay, Increasing To Choppy. |
| Saturday Night...Southeast Winds 15 To 20 Knots, Becoming South 10 To 15 Knots Early In The Morning. Choppy On The Bay, Diminishing To A Moderate Chop Early In The Morning. |
| Sunday...South Winds 10 To 15 Knots, Increasing To 15 To 20 Knots In The Afternoon. Choppy On The Bay. |
| Sunday Night...Southeast Winds 10 To 15 Knots, Increasing To 15 To 20 Knots Late In The Evening, Then Becoming Northeast 20 To 25 Knots With Gusts Up To 35 Knots After Midnight, Becoming North 25 To 30 Knots Early In The Morning. A Moderate Chop On The Bay, Increasing To Choppy Late In The Evening, Then Increasing To Rough After Midnight, Increasing To Very Rough Early In The Morning. |
| Monday...North Winds 25 To 30 Knots, Diminishing To 20 To 25 Knots In The Afternoon. Very Rough On The Bay, Diminishing To Rough In The Afternoon. |
| Monday Night...Northeast Winds 15 To 20 Knots, Diminishing To 5 To 10 Knots. Choppy On The Bay, Diminishing To Light Chop. |
| Tuesday...East Winds 5 To 10 Knots, Increasing To 10 To 15 Knots In The Afternoon. A Moderate Chop On The Bay. |
| Tuesday Night...Southeast Winds 10 To 15 Knots, Diminishing To 5 To 10 Knots Early In The Morning. A Moderate Chop On The Bay, Diminishing To Light Chop Early In The Morning. |
| Area Forecast Discussion ...UPDATED National Weather Service Brownsville TX 623am CDT Fri Mar 13 2026 Issued at 1055pm CDT Thu Mar 12 2026 Winds will likely shift back to the southeast Friday afternoon allowing temperatures to increase through the weekend. High temperatures will likely range in the low to mid 80s Friday afternoon increasing to the upper 80s to mid 90s Saturday and the mid 90s to around 100 on Sunday. Afternoon relative humidity values will likely remain below 30% across much of the CWA (County Warning Area) through Sunday, which may support increased fire weather concerns. However, wind speeds are forecast to A strong cold front will likely move through the area Sunday night into Monday, likely bringing strong northerly winds, drier air, and cooler temperatures to start the work week. Additionally, there is a low (<20%) chance for some showers or thunderstorms along the front, primarily over the Gulf waters. Fire weather will likely be a concern Monday as relative humidity values are forecast to fall below 20% and strong winds will likely continue into the afternoon. High temperatures Monday look to fall into the mid 60s to low 70s, gradually increasing back to the 80s by mid week. Marine Issued at 1055pm CDT Thu Mar 12 2026 Marine conditions are forecast to continue improving tonight with generally favorable conditions forecast through Sunday. A strong cold front will likely move through the are Sunday night into Monday, bringing strong northerly winds behind the front, and increased rain chances (20-40%) along the front. Small Craft Advisories or Gale Warnings may be needed Sunday night and Monday. Conditions will likely improve as light to moderate southeasterly winds and slight to moderate seas return through the remainder of the period. NOAA Brownsville TX Office: Watches - Warnings - Advisories TX...None. GM...None. |
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