Saturday, August24, 2019 L-36.com


Marine Weather and Tides
Bay City, TX

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:56AMSunset 7:56PM Saturday August 24, 2019 7:09 PM CDT (00:09 UTC) Moonrise 12:01AMMoonset 1:58PM Illumination 30% Phase: Waning Crescent; Moon at 24 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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GMZ330 Matagorda Bay-galveston Bay- 1028 Am Cdt Sat Aug 24 2019
Rest of today..Northeast winds 5 to 10 knots becoming southeast in the afternoon. Bay waters smooth. Showers likely with scattered Thunderstorms. A chance of showers in the afternoon.
Tonight..Southeast winds 10 to 15 knots becoming southwest 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight. A chance of showers in the evening. Scattered Thunderstorms. Showers likely after midnight.
Sunday..Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. Scattered Thunderstorms until late afternoon. A chance of showers. A slight chance of Thunderstorms late in the afternoon.
Sunday night..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Monday..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.
Monday night..South winds 15 to 20 knots. Bay waters choppy.
Tuesday..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Tuesday night..South winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday..South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.
Wednesday night..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms after midnight.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1028 Am Cdt Sat Aug 24 2019
Synopsis for high island to matagorda ship channel out 60 nm.. The light rain shield with embedded storms over the gulf should persist through the late morning hours. Generally weak onshore winds will prevail the next few days. Shower and Thunderstorm activity decreases through tomorrow as high pressure builds into the region.


7 Day Forecast for Marine Location Near Bay City, TX
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location: 28.95, -95.94     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 242021
afdhgx
area forecast discussion
national weather service houston galveston tx
321 pm cdt Sat aug 24 2019

Short term
Short term and global models have done a poor job initializing
conditions today and showers and thunderstorms have been slow to
develop. Convective temperatures are in the middle 80's and this
threshold has been met. Upper level winds are also broadly
divergent so am a little perplexed as to why convection has not
developed. Think the texas tech WRF has initialized the best and
this model suggests that there will be development in the next
hour or so. Will maintain chance pops inland for this evening.

Shra tsra over the gulf will continue overnight and this should
impinge on the coast and will carry likely pops along the
immediate coast. Weak low pressure over the gulf has remained
disorganized and whatever is left of the low will likely get
gobbled up by a trough over the central plains ms delta on Sunday.

Pw values on Sunday remain between 1.90 and 2.25 inches.

Convective temperatures are in the lower 90's which looks
reachable so am expecting shra tsra to develop with heating. Upper
level winds still look favorable on Sunday before subsidence
kicks in Sunday night and Monday. 43

Long term
The upper level trough over the central us will shift east Sunday
night and upper level ridging over the western us will move back
into the area. Subsidence associated with the upper ridge will
bring drier conditions and much warmer temperatures through mid
week. The ridge breaks down a bit and retreats west Thu fri. A
weak front will slide into east texas on Thursday but pressure
rises behind the front don't look too impressive so it is unclear
if the front will make it all the way across SE tx or stall across
the area. The front will bring a renewed chance of precip wed
night into Friday. 850 mb temps cool a bit so would expect
slightly cooler daytime highs Thu fri. 43

Marine
High moisture within a continued unsettled maritime environment will
likely allow for the redevelopment of late Saturday through early
Sunday scattered showers and thunderstorms. High pressure over the
northern gulf will maintain a generally weak onshore wind field
through Sunday afternoon. A slight deepening of texas panhandle
pressure will create a tight enough onshore pressure gradient to
produce more moderate early work week southerlies. Caution level
winds are forecast late tomorrow through Monday morning. Overnight
Tuesday morning winds may also perk back up to around caution
criteria mainly due to the localized mix down of slightly stronger
mid level winds. Early week average sea heights will gradually pick
up by another foot or so, to 3 to 4 feet, but then fall back to
around 2 to 3 feet mid to late week. Mid to late week high pressure
at all levels will maintain weak onshore winds and low seas. 31

Preliminary point temps pops
College station (cll) 77 97 79 100 78 20 20 10 10 0
houston (iah) 77 94 80 97 80 40 50 10 20 10
galveston (gls) 81 91 84 92 85 60 70 20 20 10

Hgx watches warnings advisories
Tx... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EMAT2 17 mi51 min SSE 11 G 14 83°F 89°F1010.2 hPa
SGNT2 21 mi57 min SSE 7 G 11 84°F 87°F1010 hPa
FCGT2 - 8772447 - USCG Freeport, TX 34 mi57 min S 8 G 8.9 83°F 85°F1010.8 hPa
FPST2 34 mi57 min SSE 8.9 G 11 82°F 85°F1010.1 hPa
VCAT2 41 mi57 min SSE 11 G 13 84°F 89°F1010.1 hPa
MBET2 42 mi57 min S 15 G 19 83°F 1009 hPa
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 42 mi57 min SSE 17 G 19 83°F 88°F1009.8 hPa
LUIT2 44 mi51 min S 6 G 9.9 83°F 85°F1010.5 hPa
KBQX 47 mi34 min S 15 82°F 77°F
42043 - GA-252 TABS B 55 mi129 min S 7.8 G 9.7 87°F1010.4 hPa (-2.2)

Wind History for USCG Freeport, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bay City, Bay City Municipal Airport, TX4 mi94 minSSE 1010.00 miPartly Cloudy89°F78°F72%1010.2 hPa
Palacios Municipal Airport, TX23 mi2.3 hrsSE 1210.00 miA Few Clouds87°F75°F67%1009.8 hPa
Wharton, Wharton Regional Airport, TX24 mi94 minSSE 1010.00 miPartly Cloudy90°F73°F59%1010.2 hPa

Link to 5 minute data for KBYY

Wind History from BYY (wind in knots)
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Last 24hrSE3E5E5E4CalmCalmCalmCalmCalmS4CalmCalmCalmNE3NE4NE6E8NE7E6SE8SE10SE11SE8S8
1 day agoSE11
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SE4SE5E3E4E4E3SE3CalmE3E3CalmCalmSW4CalmCalmSW3NE3SE7SE8E13
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2 days agoSE8SE5SE4SE4SE4SE5SE6CalmCalmCalmE3CalmCalmSE3E4E4E5E6E8E9E12SE9
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Tide / Current Tables for Freeport Harbor, Texas
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Freeport Harbor
Click for Map
Sat -- 12:58 AM CDT     Moonrise
Sat -- 01:00 AM CDT     1.52 feet High Tide
Sat -- 03:08 AM CDT     1.48 feet Low Tide
Sat -- 06:13 AM CDT     1.55 feet High Tide
Sat -- 06:54 AM CDT     Sunrise
Sat -- 02:55 PM CDT     Moonset
Sat -- 04:41 PM CDT     -0.09 feet Low Tide
Sat -- 07:51 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.51.51.51.51.51.61.51.51.41.31.10.90.60.30.1-0.1-0.100.20.40.711.3

Tide / Current Tables for Freeport Harbor, Texas (2)
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Freeport Harbor
Click for Map
Sat -- 12:58 AM CDT     Moonrise
Sat -- 01:25 AM CDT     1.79 feet High Tide
Sat -- 02:43 AM CDT     1.78 feet Low Tide
Sat -- 06:07 AM CDT     1.82 feet High Tide
Sat -- 06:54 AM CDT     Sunrise
Sat -- 02:55 PM CDT     Moonset
Sat -- 04:38 PM CDT     0.18 feet Low Tide
Sat -- 07:51 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.71.81.81.81.81.81.81.81.81.71.61.41.20.90.60.30.20.20.30.40.711.31.5

Weather Map and Satellite Images
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wmap_A
GOES 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.
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Wind Forecast for Houston/Galveston, TX (20,4,5,8)
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Ground Weather Radar Station Houston/Galveston, TX
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weather_mapweather_map weather_map

Gulf Stream Current


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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 numerious 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.