Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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483
FXUS64 KHGX 212150
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
350 PM CST Tue Feb 21 2017

.DISCUSSION...
Skies are mostly sunny to sunny across Southeast Texas this afternoon
with high temperatures so far mainly in the lower to mid 70s. It will
be clear and cool tonight and on the warm side tomorrow as weak high
pressure builds into the area. With the high moving off to the east
Wednesday night, onshore winds will return to the area on Thursday.
The next cold front arrives on Friday and moves off the coast late
in the afternoon or early in the evening. Moisture levels along and
ahead of the front will be too low for any shower or thunderstorm
development. Offshore flow developing behind the front will cool us
down for Friday night and Saturday as high pressure ridges in from
the north. The high quickly moves off to the east Saturday night and
Sunday resulting in an onshore flow and a warm up that looks like it
will last through Tuesday. Low rain chances return to the forecast
beginning on Monday. 42
&&

.MARINE...
Winds are currently out of the northwest, behind the cold front that
pushed off the coast this morning. Winds will pick up in speed early
this evening before lowering back down later tonight. Small craft
exercise caution criteria is effect through 6pm this evening. Wave
heights will remain around 5 feet in the offshore waters Tuesday
into Wednesday, but winds will slowly decrease in speed overnight.
Another boundary will move through the region Wednesday afternoon,
and onshore flow will return by Wednesday evening. Winds out of the
southeast will keep wave heights lower between 1 to 2 feet Thursday
into Friday. A cold front should push off the coast Friday evening
and winds will once again shift, resulting in winds out of the
northwest.

With winds currently out of the northwest, tide levels have lowered
in comparison to before the passing of the cold front this morning.
Tide levels are still running slightly above normal by less than a
half foot.

Hathaway

&&

.PREV DISCUSSION... /ISSUED 1211 PM CST Tue Feb 21 2017/

AVIATION...
VFR conditions should persist through Thursday, as the clearing
line has almost swept through all aviation sites. Skies should be
clear by 19Z. Behind the boundary, winds are out of the
northwest. Winds will begin to increase in speed early this
afternoon, with sporadic gusts up to around 19 knots for the
inland sites through early evening. Along the coast, wind speeds
should remain slightly lower in speed, around 15 knots. With high
pressure dominating behind the front, skies will remain clear
until early Friday morning when low level moisture returns to the
forecast.

Hathaway

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)      50  80  54  82  58 /   0   0   0   0  10
Houston (IAH)              54  79  55  81  62 /   0   0   0   0  10
Galveston (GLS)            59  71  61  72  65 /   0   0   0   0  10

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...SMALL CRAFT SHOULD EXERCISE CAUTION until 6 PM CST this evening
     for the following zones: Waters from Freeport to the
     Matagorda Ship Channel from 20 to 60 NM...Waters from High
     Island to Freeport from 20 to 60 NM.

&&

$$

Discussion...42
Aviation/Marine...08



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