Sunday, March29, 2020
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Marine Weather and Tides
Seguin, TX

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:22AMSunset 7:50PM Sunday March 29, 2020 1:21 PM CDT (18:21 UTC) Moonrise 9:40AMMoonset 11:42PM Illumination 31% Phase: Waxing Crescent; Moon at 6 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 Seguin, TX
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location: 29.51, -98     debug


Area Discussion for - Austin/San Antonio, TX
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FXUS64 KEWX 291737 AFDEWX

Area Forecast Discussion National Weather Service Austin/San Antonio TX 1237 PM CDT Sun Mar 29 2020

AVIATION. Middle to high clouds cover the region this afternoon. All terminals will be VFR through the afternoon and evening. Winds will be from the northeast through east at around 10 kts. A warm front will move up from the south overnight and MVFR ceilings will develop in Austin and San Antonio. Low ceiling will move into DRT later in the morning. Eventually showers will move into the area with chances starting around 12Z and more likely by 18Z. Looks like precipitation will stay east of DRT, but there is a low chance for showers there.

PREV DISCUSSION. /ISSUED 347 AM CDT Sun Mar 29 2020/

SHORT TERM (Today through Monday) . A dry airmass in place early this morning with light to calm winds has allowed for decent radiational cooling with lows expected to be about 5 degrees below average. Southwest flow aloft will pump some Pacific moisture back into the region and high clouds will gradually fill in through the day. Should be another nice spring day with highs 74-82. Easterly surface flow will veer to the southeast as yesterday's cold front comes back north as a warm front later in the day. Dew points will increase tonight into Monday, back into the mid to upper 60s over the eastern 2/3rds of the region by 18Z Mon. Low clouds will develop and isolated to scattered showers look to get going after 09Z.

As a trough moves out of the Four Corners region and across TX/OK, forcing will increase through the daytime as a shortwave feature well south of the main trough axis traverses our area and WAA increases ahead of the next cold front that will hold off until Monday night. Coverage of showers/storms is not expected to be widespread, and will mainly be confined to the northeastern half of our coverage area. Despite the lack of insolation, moisture advection and increasing mid level lapse rates will combine to allow CAPE to climb near 1000 J/kg. With 50+ knots deep layer shear this environment may be enough to support a strong storm or two north of I-10 during the day. SPC marginal risk is in place north of a line approximately from Fredericksburg to Giddings. QPF should be less than 0.25" for most with up to about 1" in stronger storms, similar to what we saw yesterday morning.

LONG TERM (Monday Night through Saturday) .

The Pacific front will continue to push to the southeast and over the I-35 corridor late Monday evening and early Tuesday morning. By that time, storms may be having difficulties to hold or develop as a dry northwest wind flow spreads across the area. Both HiRes and medium-range models are in good agreement on ending shower and thunderstorm activity during the overnight period. Overnight lows for Tuesday morning range from the lower 50s across the Hill Country to upper 50s and 60s along and east of I-35.

Mostly sunny skies are expected on Tuesday across the area in the wake of the Pacific front. High temperatures in the upper 70s to upper 80s.

Dry weather prevails through Thursday ahead of the next Pacific front to affect the area. Scattered showers and isolated thunderstorms are expected during the day on Thursday. Severe storm activity no anticipated at this time. Model guidance have the front entering the Northwest part of Val Verde County late Thursday afternoon but it pushes back to the west Thursday evening. Therefore, South Central Texas will be in the warm and humid sector of things as the Pacific front finally pushes over the area and another cold front moves from Central Texas into our area on Friday.

Rainfall amounts in general should remain at one quarter inch or less with some localized isolated pocket of one inch. Rain chances continue into the weekend as moisture return flow is forecast to keep boundaries to the west of the area.

PRELIMINARY POINT TEMPS/POPS. Austin Camp Mabry 62 75 57 78 52 / 20 90 30 0 0 Austin Bergstrom Intl Airport 60 75 57 78 51 / 20 80 30 0 0 New Braunfels Muni Airport 61 79 57 80 52 / 20 70 20 0 0 Burnet Muni Airport 60 72 53 75 50 / 20 90 20 0 0 Del Rio Intl Airport 61 83 56 87 57 / 10 20 0 0 0 Georgetown Muni Airport 59 71 55 75 50 / 20 90 40 0 0 Hondo Muni Airport 60 77 55 85 54 / 20 50 10 0 0 San Marcos Muni Airport 60 77 57 79 51 / 20 80 20 0 0 La Grange - Fayette Regional 65 79 62 78 53 / 20 70 30 0 0 San Antonio Intl Airport 63 79 59 82 54 / 20 70 20 0 0 Stinson Muni Airport 63 81 60 83 55 / 20 70 10 0 0

EWX WATCHES/WARNINGS/ADVISORIES. None.

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


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Braunfels Regional Airport, TX14 mi31 minENE 1310.00 miFair79°F41°F26%1019.7 hPa
Randolph Air Force Base, TX15 mi26 minENE 1210.00 miMostly Cloudy78°F34°F21%1019.9 hPa

Link to 5 minute data for KBAZ

Wind History from BAZ (wind in knots)
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Last 24hrN13N11N12N12NW9N4N4NE3NE5CalmNE4CalmW3NW5NW7NW7NW7NW6NW5CalmNE5NE7E12NE13
1 day agoS17
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S10S9S6S5SE11SE11SE15
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SE11S7S5S6S8S9SW4SE5SE8S10SW5W6N10N6N11
G21
2 days agoS12
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S17S14SE14SE13S11S11S11S9SE6S11S7S7S6S7S9S7S12S13S17S19
G27
S17
G24

Tide / Current Tables for Port Lavaca, Matagorda Bay, Texas
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Port Lavaca
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Sun -- 05:33 AM CDT     0.12 feet Low Tide
Sun -- 07:19 AM CDT     Sunrise
Sun -- 10:35 AM CDT     Moonrise
Sun -- 05:09 PM CDT     1.00 feet High Tide
Sun -- 07:43 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.40.30.20.20.10.10.20.20.30.50.60.70.80.9111110.90.90.80.7

Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Austin/San Antonio, TX (14,3,4,5)
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Ground Weather Radar Station Austin/San Antonio, TX
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.