Monday, March8, 2021
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Marine Weather and Tides
Giddings, TX

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:41AMSunset 6:30PM Monday March 8, 2021 8:53 AM CST (14:53 UTC) Moonrise 3:45AMMoonset 2:03PM Illumination 25% Phase: Waning Crescent; Moon at 25 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Giddings, TX
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location: 30.21, -97     debug


Area Discussion for - Austin/San Antonio, TX
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FXUS64 KEWX 081136 AFDEWX

Area Forecast Discussion National Weather Service Austin/San Antonio TX 536 AM CST Mon Mar 8 2021

AVIATION. All terminals are still VFR this morning. There is a VFR level cloud deck moving into the San Antonio area and spreading east and west. We expect MVFR ceiling to build over DRT within the next couple of hours and last until early afternoon. There is a slight chance that MVFR ceilings could develop in San Antonio, but it's not likely. All terminals will be VFR through the afternoon and evening. Persistent southeasterly flow overnight will bring MVFR ceilings to all terminals Tuesday morning with a chance for IFR in Austin and San Antonio.

PREV DISCUSSION. /ISSUED 300 AM CST Mon Mar 8 2021/

SHORT TERM (Today through Tuesday) . Upper air analysis last evening showed a shallow shortwave trough over Texas with a ridge to the west. At the surface, high pressure was centered to the northeast of our CWA. Winds have become light from the east through southeast early this morning. Temperatures and dewpoints have begun to recover and are around five degrees higher than 24 hours ago. The upper ridge will move across Texas today. Low level winds will become southeasterly across the region. Skies will be partly cloudy and temperatures will warm. The general pattern will change very little through the rest of this period. This will mean the warming trend will continue along with dry weather. The more persistent southeasterly flow will produce more cloud cover overnight Monday into Tuesday with some sunshine Tuesday afternoon.

LONG TERM (Tuesday Night through Sunday) . Southerly lower level flow is maintained into a surface trough over the Plains ahead of an upper level trough currently off the Pacific coast near 135W that steadily moves to near the Four Corners region by Saturday. While not mentioned in the forecast due to very low chances, a few morning streamer showers can not be ruled out on Wednesday and Thursday as the airmass continues to moisten. Better chances are expected on Friday with moisture levels near to above seasonal levels. Warm days and mild nights are expected with temperatures averaging well above seasonal normals. A tight pressure gradient generates breezy conditions.

For the weekend, while each of the models have been consistent with their timing of the passage of a Pacific front and the trough, they lack a consensus with the timing of the passage of these features. The GFS remains the fastest, CMC the slowest, and ECMWF in between. Until a consensus develops, will go with the blended guidance and currently expect a frontal passage of late Saturday into early Sunday and trough passage Sunday into Sunday evening. Upward forcing by these features will develop showers. MUCAPE around 500 J/Kg indicates isolated thunderstorms are also possible. Temperatures will fall near seasonal normals on Sunday.

Beyond this forecast for the middle of next week, the models suggest an even colder airmass may move into our area.

PRELIMINARY POINT TEMPS/POPS. Austin Camp Mabry 71 54 74 61 79 / 0 - - 0 - Austin Bergstrom Intl Airport 73 54 76 60 80 / 0 - - 0 - New Braunfels Muni Airport 72 54 77 61 81 / 0 - - 0 - Burnet Muni Airport 70 53 73 59 76 / 0 0 0 0 0 Del Rio Intl Airport 75 59 77 62 83 / 0 0 0 0 0 Georgetown Muni Airport 73 54 75 59 78 / 0 0 - 0 - Hondo Muni Airport 72 54 77 59 82 / 0 0 0 0 0 San Marcos Muni Airport 72 52 76 59 80 / 0 - - 0 - La Grange - Fayette Regional 73 54 76 60 80 / 0 0 - 0 - San Antonio Intl Airport 71 54 75 61 80 / 0 - - - - Stinson Muni Airport 71 55 75 60 81 / 0 0 - - -

EWX WATCHES/WARNINGS/ADVISORIES. None.

Short-Term/Aviation . 05 Long-Term . 04


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Giddings, Giddings-Lee County Airport, TX3 mi58 minN 010.00 miFair47°F42°F83%1030.5 hPa
La Grange, Fayette Regional Air Center Airport, TX21 mi58 minN 010.00 miFair47°F44°F89%1029.5 hPa

Link to 5 minute data for KGYB

Wind History from GYB (wind in knots)
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Last 24hr------------------------------------CalmCalmCalmCalmCalmCalm
1 day agoN10
G14
NE7N8
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NE5NE7NE7NE5NE3NE4NE4E6E6E6E3E3CalmCalmE3------
2 days agoS7W5SW8W6NW9W14
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N4N5N5N6

Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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