Marine Weather and Tides
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
|Sunrise 6:59AM||Sunset 8:09PM||Saturday August 19, 2017 12:35 AM CDT (05:35 UTC)||Moonrise 3:41AM||Moonset 5:41PM||Illumination 10%|
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7 Day Forecast for Marine Location Near Volente, TXHourly EDIT Help
Area Discussion for - Austin/San Antonio, TX  (on/off)  Help NOTE: mouseover dotted underlined text for definition
|Fxus64 kewx 182326 aaa|
area forecast discussion... Updated
national weather service austin san antonio tx
626 pm cdt Fri aug 18 2017
Aviation 00z tafs
vfr conditions are expected throughout this forecast period. Majority
of model guidance and forecast soundings are indicating more of a
s SW flow off the surface after 06z which should lead to less low
cloud development. At this time have elected to go with sct from
07z-15z. Future forecast may need to add in some MVFR CIGS during
this time frame. Should see the SE flow increase to 10-15 knots during
the early evening from the sea breeze influence along i-35. By 06z
winds become southerly and decrease to 5-8 knots. Will see S SE winds
8-12 knots after 16z Saturday. Any isolated convection this evening
and Saturday afternoon evening along the rio grande should remain at
least 10 nautical miles away from the airport.
Prev discussion issued 236 pm cdt Fri aug 18 2017
short term (tonight through Saturday night)...
continued focus today and tomorrow remains on the elevated heat index
values and temperatures with readings running slightly above normal.
Temperatures near 100f will be common with heat index values
reaching into the 103-108f range each afternoon. Little to no rain is
A steady h5 ridge of high pressure remains elongated across south-
central texas eastward to the northern gulf of mexico. This
suppression, and drier air aloft per water vapor satellite imagery,
will mean few clouds and no rain chances for much of the region today.
Temperatures will reach the upper 90s and low 100s this afternoon. A
special weather statement is in effect for the heat indices reaching
upwards of 103-107f. Weak upslope flow and stronger heating on the
periphery of the high in mexico is aiding some showers and
thunderstorms west of the rio grande river. While some of this
activity could cross into val verde late this afternoon, limited
coverage and impacts are expected.
Another warm night expected with low clouds developing by dawn
Saturday as we repeat the weather from today. While the h5 ridge is
not overly strong (592dm) tomorrow, very weak CAPE due to strong
mixing of the boundary layer will highly limit cloud and convective
potential. Expect another hot (but not overly hot) day as another
special weather statement is likely. Temperatures will fall short of
heat advisory criteria.
Long term (Sunday through Friday)...
continued status quo late-weekend and early next week as temperatures
top out near 100f each day. A pattern change will occur starting
Tuesday-Thursday next week that could result in greater rain chances
for the region. Fingers crossed!
water vapor channels currently depict a mid- to upper level-low over
the fl peninsula and models track this feature across the gulf of
mexico through the weekend. By early next week, the feature will be
near the texas coast. This feature, along with greater moisture in
the mid and upper-levels should aid in at least coastal plain showers
and storms. Both the ec and GFS also indicate a stronger longwave
trough over the mid-ms valley that will attempt to bring a back-door
front into north texas. The question at this time will be how strong
will the convection along the boundary be and can it force the line
farther south? The ec is more bullish on bringing more rain to the
region in the QPF signal while GFS keeps most activity north. The
previous instance from just over a week ago yielded more weight to be
placed on the ec. While overall superblend model chances were
reduced, kept at least a 20-30% chance of thunderstorms Wednesday and
potentially into Thursday of next week.
Also of note will be the future track of current tropical storm
harvey. Model indications suggest harvey to go inland across the
yucatan peninsula and possibly re-emerge into the bay of campeche.
Majority of model guidance envelope keeps the storm south of the
region. Will provide updates if the track shifts farther north.
Preliminary point temps pops
Austin camp mabry 77 100 76 100 77 0 - 0 - 0
austin bergstrom intl airport 76 100 75 99 76 0 - 0 - 0
new braunfels muni airport 75 99 75 99 75 0 - 0 - 0
burnet muni airport 73 97 72 96 73 0 0 0 0 0
del rio intl airport 78 101 77 101 77 - 0 0 0 0
georgetown muni airport 74 98 74 98 75 0 - 0 - 0
hondo muni airport 74 101 74 100 74 0 0 0 0 0
san marcos muni airport 75 100 75 99 75 0 - 0 - 0
la grange - fayette regional 77 100 76 100 76 - 10 0 10 10
san antonio intl airport 76 100 76 99 76 0 0 0 - 0
stinson muni airport 76 98 75 99 76 0 - 0 - 0
Ewx watches warnings advisories
Mesoscale aviation... 10
synoptic grids... Runyen
public service data collection... Williams
Weather Reporting StationsEDIT (on/off)  Help NOTE: Click on distance to see the station location on a map
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports
|Lago Vista TX, Rusty Allen Airport, TX||6 mi||40 min||S 5||10.00 mi||Fair||84°F||69°F||62%||1017.3 hPa|
|Austin City, Austin Camp Mabry, TX||11 mi||44 min||Var 6||10.00 mi||Fair||86°F||72°F||63%||1014.7 hPa|
|Austin Executive Airport, TX||18 mi||40 min||S 7||10.00 mi||Fair||84°F||71°F||66%||1016.3 hPa|
|Austin-Bergstrom International Airport, TX||21 mi||42 min||S 10||10.00 mi||A Few Clouds||85°F||73°F||68%||1014.5 hPa|
|Georgetown, Georgetown Municipal Airport, TX||21 mi||39 min||S 8||10.00 mi||Fair||86°F||70°F||59%||1015.8 hPa|
Wind History from RYW (wind in knots)
|1 day ago||S||S||S||S|
|2 days ago||S||S|
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Weather Map and Satellite Images(on/off)  Help
|Weather Map ||IR Satellite Image from GEOS|
GOES Local Image of SouthCentralPlains EDIT
Wind Forecast for Austin/San Antonio, TX (1,6,7,8)(on/off)  Help
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