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National Weather Service Forecast Discussion

502
FXUS64 KHGX 081129
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
529 AM CST Sun Nov 8 2026

...New AVIATION...

.KEY MESSAGES...

- Cloudy and cool for the next couple days with some chances of
  mainly light rain for some locations.

- Small Craft Advisory in effect for portions of the upper Texas
  coast for moderate east winds and 4-7ft seas.

- Cold front is expected late Wednesday or early Thursday followed
  by drier colder weather for the remainder of the week.

&&

.DISCUSSION...
Issued at 1233 AM CST Sun Nov 8 2026

Upper trof/low situated across ncntl Mexico. The first ejecting shortwave
(one of many) is producing a large area of precipitation between
Dallas and San Antonio. Some of this precip will probably clip
some of our northern zones in the next several hours. Additional
precipitation will probably develop further south across south
Texas closer to a surface trof today...some of which may track
into parts of the area later in the day. This too, will mainly be
light...and overall accumulations will be negligible the further
east (I-45ish) one goes. With abundant cloud cover, readings won`t
have much of an opportunity to warm...so we`re probably looking
at highs mostly in the 60s to low 70s depending on location.

Same general setup is in play again on Monday, with highest rain
chances across our southwest CWA. By Tuesday we`ll see the upper
low slowly lift ene across the state. Cloudiness will linger as
will lowish rain chances.

Heading into mid-late week, amplified ridging across the western
CONUS and deepening trof across the eastern CONUS will bring an an
drier northwesterly flow aloft. Looking for a cold frontal passage
Wednesday night followed by dry, cool weather for the remainder of
the week.  47

&&

.AVIATION...
(12Z TAF Issuance)
Issued at 511 AM CST Sun Nov 8 2026

Light scattered showers are currently pushing across the Brazos
Valley this morning. Additional showers are expected approach from
the west later today. Rainfall chances and coverage are still
broadly greater west of I-45, thus have opted to maintain PROB30s
at most TAF sites for this afternoon. Rain chances lull tonight.
Isolated patchy fog/CIGS could develop overnight into early
Monday with KCLL most at risk for MVFR/lower FLs. Another round of
showers will be possible on Monday, with coverage and chances
greatest W/SW of the Houston Metro area.

03

&&

.MARINE...
Issued at 1233 AM CST Sun Nov 8 2026

Moderate easterly winds will continue through tonight, with the
highest winds and seas in the waters west of Freeport. Speeds and
seas should gradually diminish Monday and Tuesday. A cold front
will push into the waters Wednesday night followed by moderate
offshore winds, building seas, and Small Craft Advisories likely
in its wake. 47

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)  66  55  70  55 /  50  20  10  10
Houston (IAH)  69  58  69  57 /  30  30  20  10
Galveston (GLS)  71  64  70  64 /  20  10  20  10

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...None.
GM...Small Craft Advisory until midnight CST tonight for GMZ330.

     Small Craft Advisory until midnight CST tonight for GMZ350-370.

     Small Craft Advisory until noon CST today for GMZ355-375.

&&

$$

DISCUSSION...47
AVIATION...03
MARINE...47

NWS HGX Office Area Forecast Discussion