Marine Weather and Tide Forecast for Tierra Grande, TX

DISCUSSION
Issued at 329 PM CDT Tue Aug 18 2026

As if you didn't know already, it is going to be a very hot period through next week for South Texas. A high that is located around the Four Corners region, will meander south-southeastwards slightly by next week. This will promote very dry rain free conditions outside of occasional isolated seabreeze convection daily. Will continue to monitor the need for short-fused heat related products. We could see peak heat indices of 110 to 115 with dew points in the mid to upper 70s into next week. This translates to moderate to predominately major HeatRisk conditions, though some areas of extreme HeatRisk will be possible in the Brush Country. We strongly encourage the practice of heat safety in these conditions. Take frequent breaks and remember to stay hydrated, check those backseats, and avoid long exposure in these temperatures. For more information be sure to check out weather.gov/heatsafety.

There will be an additional risk for elevated fire weather over the Rio Grande Plains into the next week due to low RH (<30%).
Even though winds aren't expected to be near criteria during this time frame, fires can still be easily ignited given the dry conditions.

AVIATION
(00Z TAFS)
Issued at 548 PM CDT Tue Aug 18 2026

VFR conditions are expected to prevail at all terminals through the TAF cycle. Have included a TEMPO for MVFR visibility at VCT, with some guidance indicating a medium chance of some patchy fog.
Winds will diminish overnight, before the chest gusts nearing 20 knots develops once again across the area around 18Z Wednesday.



MARINE
Issued at 329 PM CDT Tue Aug 18 2026

Onshore winds will be generally gentle to moderate (BF 3-4), with occasional fresh (BF-5) flow possible each afternoon into the early evening hours. Seas should remain relatively steady around 2-3 ft with no significant marine hazards anticipated. Rain chances will remain very low through the weekend, with chances returning next week.

PRELIMINARY POINT TEMPS/POPS
Corpus Christi 77 95 79 96 / 0 0 0 0 Victoria 76 100 77 100 / 0 0 0 0 Laredo 77 104 79 105 / 0 0 0 0 Alice 75 102 76 102 / 0 0 0 0 Rockport 81 92 82 92 / 0 0 0 0 Cotulla 76 105 78 106 / 0 0 0 0 Kingsville 76 99 78 99 / 0 0 0 0 Navy Corpus 81 90 82 91 / 0 0 0 0

CRP WATCHES/WARNINGS/ADVISORIES
TX...None.
GM...None.