Baffin Bay to Port Mansfield, TX Marine Forecast
| Rest Of Today...Southeast Winds 10 To 15 Knots. Seas 3 To 4 Feet. Wave Detail: East 3 Feet At 8 Seconds. |
| Tonight...Southeast Winds 10 To 15 Knots. Seas 3 To 4 Feet. Wave Detail: East 3 Feet At 8 Seconds. A Slight Chance Of Showers And Thunderstorms Early In The Morning. |
| Sunday...Southeast Winds 15 To 20 Knots. Seas 4 To 5 Feet. Wave Detail: Southeast 5 Feet At 7 Seconds. A Slight Chance Of Showers And Thunderstorms In The Morning, Then A Chance Of Showers With A Slight Chance Of Thunderstorms Early In The Afternoon. |
| Sunday Night...Southeast Winds 15 To 20 Knots. Seas 4 To 5 Feet. Wave Detail: Southeast 5 Feet At 7 Seconds. A Slight Chance Of Showers And Thunderstorms After Midnight. |
| Monday...Southeast Winds 15 To 20 Knots, Diminishing To 10 To 15 Knots Late In The Afternoon. Seas 4 To 5 Feet. Wave Detail: Southeast 5 Feet At 7 Seconds. A Slight Chance Of Showers Early In The Morning. |
| Monday Night...Southeast Winds Around 15 Knots. Seas 4 To 5 Feet. Wave Detail: Southeast 4 Feet At 7 Seconds. |
| Tuesday...Southeast Winds 10 To 15 Knots. Seas 3 To 5 Feet. |
| Tuesday Night...Southeast Winds 10 To 15 Knots. Seas 3 To 4 Feet. |
| Wednesday...Southeast Winds 10 To 15 Knots. Seas 3 To 4 Feet. |
| Wednesday Night...Southeast Winds Around 15 Knots. Seas 3 To 5 Feet. Winds And Seas Higher In And Near Thunderstorms. |
| Area Forecast Discussion ...CORRECTED National Weather Service Brownsville TX 1216pm CDT Sat Jun 6 2026 Issued at 1200pm CDT Sat Jun 6 2026 The mid/upper level trough that brought heavy to very heavy rain yesterday will continue lifting northeastward over the Plains, causing upper level divergence to exit deep south Texas. Much drier conditions are anticipated today aside from a low (at most, 15%) chance of isolated showers, mainly along/east of US-281. Tomorrow, a weak shortwave rounding the base of the departing trough could bring a low (15-20%) chance of showers and a few thunderstorms along/east I- 69 E during the morning/early afternoon hours as well as a 15-30% late tomorrow night. Yet, this could change as some of the latest runs of cams and global models, though inconsistent, indicate a bit more widespread coverage of light to moderate rain and some thunderstorms, extending further inland. As moisture content remains very high, potentially maximizing as high as 2.0-2.5+ in. tomorrow afternoon into tomorrow night, deeper convection can still produce moderate to heavy rain. High pressure expands aloft over the Gulf on Monday and into at least the middle of this upcoming week, thus increasing subsidence and decreasing chances of rain into next weekend, though a daily shower or two cannot be completely ruled out along the seabreeze. This will cause temperatures to rise by a few degrees, particularly across the mid/upper RGV, where low/mid 90s increase to the mid/upper 90s by midweek, whereas mostly low 90s rise to the lower/mid 90s elsewhere. Increasing relative humidity into tomorrow, followed by more abundant sunshine by Monday are likely to elevate heat risks from a minor to moderate risk today to nearly widespread moderate heat risks tomorrow and onward, with maximum afternoon heat indices of around 100-108 F. SPSs for heat may be possible at some point during the week. A moderate risk of rip currents continues through tomorrow afternoon. Marine Issued at 1200pm CDT Sat Jun 6 2026 Gentle to moderate southeasterly winds and slight to moderate (2-4 foot) seas continue through the day into this evening. Periods of Small Craft Exercise Caution headlines are possible tonight through Monday night as moderate to fresh southeasterly winds result in moderate (4-6 feet) seas. Conditions ease just a bit following, with gentle to moderate southeasterly winds and moderate (3-5 feet) seas. Rounds of low (15-30%) chances of showers and thunderstorms continue through tomorrow night. NOAA Brownsville TX Office: Watches - Warnings - Advisories TX...None. GM...None. |
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