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Show Area Forecast Discussion - Houston, TX (Houston/Galveston, TX Area) Selection: |
| #1258531 (Received by flhurricane at: 8:03 AM 30.Jan.2026) AFDHGX Area Forecast Discussion National Weather Service Houston/Galveston TX 650 AM CST Fri Jan 30 2026 ...New AVIATION... .KEY MESSAGES... - Cold, Arctic air spills into the region tonight and persists into Sunday. Cold Weather Advisories for tonight and (Hard) Freeze Watches for Saturday night have been posted. - Hazardous marine conditions through most of the weekend with elevated winds/seas, and also low water levels. - A gradual warm up early next week along with some rain chances returning to the forecast. && .DISCUSSION... Issued at 1214 AM CST Fri Jan 30 2026 No real significant changes were made to the forecast. Initial cold front is making its way thru the region at the time of this writing. Cooler and somewhat breezy conditions are anticipated today with some high Pacific cloudiness moving overhead. Tonight, colder Arctic air will be filtering into the area as a 1040mb high sags south thru the Plains into Texas. Temperatures will dip into the 25-37F range by Saturday morning with wind chills down into the 15-25F range continuing into late morning Sat. A Cold Weather Advisory remains in effect. A very modest warm up is briefly expected during the day Saturday, but only between 37-45F. Saturday night, we`ll see the coldest readings associated with this airmass with the surface high situated just to our ne. With lighter winds and clear skies, readings should fall into the 18-33F range and slightly lower wind chills. Suspect most of our region will see a hard freeze (temps at or below 24F for 2+ hours) so went ahead and hoisted a Freeze Watch for all except locations closest to the coast. Most of them too will see a freeze, but probably not down to 24F. Sunday, ridging will gradually move off to the east. Southeast flow off the Gulf will resume and bring some gradually warmer temps and moisture back inland as we get into early next week. Elongated mid/upper trof off Baja looks to kick out and track eastward across Tx late Mon. If we have enough moisture recovery by late in the day, we could see some scattered showers. If not, there should be enough by late Tuesday to see some rain ahead of the next front that should be in the vicinity by then. 47 && .AVIATION... (12Z TAF Issuance) Issued at 646 AM CST Fri Jan 30 2026 North to northwest winds strengthen during the daytime, then ease down slightly tonight. VFR conditions prevailing. 03 && .MARINE... Issued at 1214 AM CST Fri Jan 30 2026 A cold front will be pushing off the coast around or shortly after midnight followed by increasing north northwest winds and building seas overnight. Small Craft Advisories are in effect. With a reinforcing surge of cold, Arctic air anticipated tonight, we will see another bump up in wind speeds and seas into Saturday. Gradually improving conditions are anticipated Saturday night and Sunday (albeit cold). Onshore winds should resume Sunday night and Monday. Already low astronomical tides will produce negative water levels through the weekend...but PETSS guidance is really pinging low tide cycles today through Saturday night when levels potentially fall to near, or slightly below, -2ft MLLW. Mariners should be especially careful about grounding - especially considering stronger winds and rough waters that`ll make for challenging navigation conditions. 47 && .PRELIMINARY POINT TEMPS/POPS... College Station (CLL) 53 29 40 21 / 0 0 0 0 Houston (IAH) 54 33 44 24 / 0 0 0 0 Galveston (GLS) 55 37 45 33 / 0 0 0 0 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...Cold Weather Advisory from 3 AM to noon CST Saturday for TXZ163- 164-176>179-195>200-210>214-226-227-235>238-300-313-335>338. Freeze Watch from Saturday evening through Sunday morning for TXZ163-164-176>179-195>200-210>214-226-227-235>237-300. GM...Low Water Advisory until 6 PM CST Sunday for GMZ330-335. Small Craft Advisory until 3 PM CST this afternoon for GMZ330- 335. Small Craft Advisory until 2 PM CST Saturday for GMZ350-355-370- 375. && $$ |
| #1258504 (Received by flhurricane at: 1:36 AM 30.Jan.2026) AFDHGX Area Forecast Discussion National Weather Service Houston/Galveston TX 1218 AM CST Fri Jan 30 2026 ...New DISCUSSION, MARINE... .KEY MESSAGES... - Cold, Arctic air spills into the region tonight and persists into Sunday. Cold Weather Advisories for tonight and (Hard) Freeze Watches for Saturday night have been posted. - Hazardous marine conditions through most of the weekend with elevated winds/seas, and also low water levels. - A gradual warm up early next week along with some rain chances returning to the forecast. && .DISCUSSION... Issued at 1214 AM CST Fri Jan 30 2026 No real significant changes were made to the forecast. Initial cold front is making its way thru the region at the time of this writing. Cooler and somewhat breezy conditions are anticipated today with some high Pacific cloudiness moving overhead. Tonight, colder Arctic air will be filtering into the area as a 1040mb high sags south thru the Plains into Texas. Temperatures will dip into the 25-37F range by Saturday morning with wind chills down into the 15-25F range continuing into late morning Sat. A Cold Weather Advisory remains in effect. A very modest warm up is briefly expected during the day Saturday, but only between 37-45F. Saturday night, we`ll see the coldest readings associated with this airmass with the surface high situated just to our ne. With lighter winds and clear skies, readings should fall into the 18-33F range and slightly lower wind chills. Suspect most of our region will see a hard freeze (temps at or below 24F for 2+ hours) so went ahead and hoisted a Freeze Watch for all except locations closest to the coast. Most of them too will see a freeze, but probably not down to 24F. Sunday, ridging will gradually move off to the east. Southeast flow off the Gulf will resume and bring some gradually warmer temps and moisture back inland as we get into early next week. Elongated mid/upper trof off Baja looks to kick out and track eastward across Tx late Mon. If we have enough moisture recovery by late in the day, we could see some scattered showers. If not, there should be enough by late Tuesday to see some rain ahead of the next front that should be in the vicinity by then. 47 && .AVIATION... (00Z TAF Issuance) Issued at 525 PM CST Thu Jan 29 2026 The main aviation concern will be a wind shift and increasing gusts due to the passage of a dry cold front. The front will move across the terminals this evening, bringing NW winds around 10 to 15 knots with higher gusts at times. Gusts will continue through Friday afternoon, before gradually weakening from northwest to southeast by the afternoon. With surface winds increasing this evening into Friday, LLWS should not reach thresholds. However, keep in mind that there is a possibility of a window of LLWS with gusts around 30 knots at 12-2kft, especially around IAH terminal. JM && .MARINE... Issued at 1214 AM CST Fri Jan 30 2026 A cold front will be pushing off the coast around or shortly after midnight followed by increasing north northwest winds and building seas overnight. Small Craft Advisories are in effect. With a reinforcing surge of cold, Arctic air anticipated tonight, we will see another bump up in wind speeds and seas into Saturday. Gradually improving conditions are anticipated Saturday night and Sunday (albeit cold). Onshore winds should resume Sunday night and Monday. Already low astronomical tides will produce negative water levels through the weekend...but PETSS guidance is really pinging low tide cycles today through Saturday night when levels potentially fall to near, or slightly below, -2ft MLLW. Mariners should be especially careful about grounding - especially considering stronger winds and rough waters that`ll make for challenging navigation conditions. 47 && .PRELIMINARY POINT TEMPS/POPS... College Station (CLL) 53 29 40 21 / 0 0 0 0 Houston (IAH) 54 33 44 24 / 0 0 0 0 Galveston (GLS) 55 37 45 33 / 0 0 0 0 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...Cold Weather Advisory from 3 AM to noon CST Saturday for TXZ163- 164-176>179-195>200-210>214-226-227-235>238-300-313-335>338. Freeze Watch from Saturday evening through Sunday morning for TXZ163-164-176>179-195>200-210>214-226-227-235>237-300. GM...Low Water Advisory until 6 PM CST Sunday for GMZ330-335. Small Craft Advisory until 3 PM CST this afternoon for GMZ330- 335. Small Craft Advisory until 2 PM CST Saturday for GMZ350-355-370- 375. && $$ |
