Marine Weather and Tide Forecast for South Padre Island, TX

LONG TERM
(Saturday through next Thursday)
Issued at 216 PM CDT Thu May 15 2025

The heat is on! Oppressively hot temperatures will plague the region in the long term period as high pressure remains stationary over the Gulf through early week. Surface winds out of the southeast will advect moisture into the region and while no precipitation is expected this will lead to higher humidity levels with max apparent temperatures potentially reaching Heat Advisory criteria on Friday and Saturday across central and northeastern portions of the CWA Apparent temperatures will still be quite warm (between 105 and 110) Sunday and Monday with increasing potential for Heat Advisory criteria again for Tuesday. Wednesday and Thursday zonal flow aloft will cool temperatures slightly with max apparent temperatures remaining below criteria for Heat Advisory. Heat Risk will generally remain the in Major category (level 3 out of 4) though some pockets of Extreme Risk (level 4 out of 4) are possible in portions of the northern Ranchlands through Tuesday.
Wednesday much of the area will fall back into a Moderate Heat Risk (level 2 out of 4) and Minor Risk (level 1 out of 4) on Thursday. On Wednesday and Thursday we could still see some pockets of higher risk.

AVIATION
(06Z TAFS)
Issued at 1229 AM CDT Fri May 16 2025

Southeast winds between 10 to 15 knots with some passing low cloud prevail across deep south Texas early this morning. Latest satellite imagery and surface observations indicate an area of low stratus deck near to coast producing MVFR ceilings at BRO and PIL. These low clouds with MVFR ceilings are expected to move inland and impact HRL and MFE overnight. Light to moderate southeast winds overnight will increase and become breezy later this morning into the afternoon. Some gusts around 25 knots will be possible this afternoon. VFR conditions are expected to return later this morning as the winds increase. MVFR ceilings will return later this evening.

MARINE
Issued at 216 PM CDT Thu May 15 2025

Now through Friday night: A south-southeast fresh breeze tonight will gradually diminish to moderate into Friday night. Moderate seas will persist throughout the short term. Conditions will slowly improve; Small Craft Advisory conditions should diminish by tonight, leaving Small Craft Exercise Caution headlines. Over Friday night, these headlines should drop off.

Saturday through Thursday...Slightly adverse marine conditons are expected through much of the period with Exercise Caution expected due to elevated winds. There is a potential for periods of Small Craft Advisory conditions, mainly Monday into early Tuesday due to higher winds and seas.

PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 78 93 78 92 / 0 0 0 0 HARLINGEN 76 96 77 95 / 0 0 0 0 MCALLEN 79 99 79 98 / 0 0 0 0 RIO GRANDE CITY 77 102 77 100 / 0 0 0 0 SOUTH PADRE ISLAND 78 86 78 85 / 0 0 0 0 BAYVIEW/PORT ISABEL 76 91 77 90 / 0 0 0 0

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