Thursday, August17, 2017 L-36.com


Marine Weather and Tides
Bacliff, TX

Version 3.4
What's New / NOTES
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 6:48AMSunset 7:59PM Thursday August 17, 2017 8:08 PM CDT (01:08 UTC) Moonrise 1:31AMMoonset 3:33PM Illumination 19% 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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GMZ335 Matagorda Bay-galveston Bay- 313 Pm Cdt Thu Aug 17 2017
Tonight..South winds 10 to 15 knots. Bay waters slightly choppy.
Friday..Southwest winds 5 to 10 knots becoming south in the afternoon. Bay waters smooth.
Friday night..South winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight.
Saturday..Southwest winds around 5 knots becoming south in the afternoon. Bay waters smooth.
Saturday night..South winds 5 to 10 knots. Bay waters smooth.
Sunday..South winds around 5 knots becoming southeast 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. A slight chance of showers and Thunderstorms.
Sunday night..Southeast winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight. A slight chance of showers and Thunderstorms.
Monday..Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and Thunderstorms.
Monday night..Southeast winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and Thunderstorms.
Tuesday..Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and Thunderstorms.
Tuesday night..South winds 5 to 10 knots. Bay waters smooth.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 313 Pm Cdt Thu Aug 17 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Lighter winds and lower seas can be expected from the end of the week into the middle of next week as gulf of mexico area high pressure edges closer to the northwestern gulf. Rising rain chances are anticipated early next week as a disturbance moves westward across the area.

7 Day Forecast for Marine Location Near Bacliff, TX
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location: 29.53, -94.98     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 172330
afdhgx
area forecast discussion
national weather service houston galveston tx
630 pm cdt Thu aug 17 2017

Aviation
Radar pretty quiet across SE tx this afternoon so far, but will be
keeping an eye on a couple of spots. One over the north central fa
(around cxo) where an outflow from earlier convection has stalled.

The other locations concerns the large area of storms over central
tx at this time. Will have to keep close tabs on cll for the poss-
ible inclusion of shra tsra this evening. At this time there is no
mention of precipitation in the tafs for until tomorrow. Otherwise
will be keeping MVFR CIGS in for northern sites for early tomorrow
morning. 41

Prev discussion issued 332 pm cdt Thu aug 17 2017
a heat advisory remains in effect for most of the area through 7
pm. The showers and storms that passed through the piney woods
earlier today have all pretty much dissipated at this point, and
quiet (but hot) weather is expected for the rest of the evening.

Not a whole lot has really changed from the previous forecast,
with ridging largely in place through the next several days. This
will lead to hot and humid afternoons, with heat indices nearing
heat advisory criteria (108) in some locations. Starting on
Sunday, an inverted upper trough pushes towards the area, cooling
high temperatures down just a touch and allowing rain chances back
into the forecast. The upper trough will likely remain in the
vicinity through at least mid week, but models are diverging on
where it ends up after that. The ECMWF keeps the troughiness in
place through the rest of the forecast period, while the gfs
pushes the trough westward over mexico and sets up ridging
overhead once again. Pops have been capped at 20% for Thursday
until the models can (hopefully) get a better handle on it. 11
marine...

lighter winds and lower seas can be expected from the end of the
week into the middle of next week as gulf of mexico area high
pressure edges closer to the northwestern gulf. Rising rain
chances are anticipated early next week as a disturbance moves
westward across the area. 42

Preliminary point temps pops
College station (cll) 78 100 77 100 77 20 10 0 10 10
houston (iah) 79 97 79 97 77 10 10 10 10 10
galveston (gls) 84 91 83 91 82 10 10 0 10 10

Hgx watches warnings advisories
Tx... Heat advisory until 7 pm cdt this evening for the following
zones: austin... Brazoria... Brazos... Burleson... Chambers...

colorado... Fort bend... Galveston... Grimes... Harris...

jackson... Liberty... Madison... Matagorda... Montgomery... San
jacinto... Walker... Waller... Washington... Wharton.

High rip current risk until midnight cdt tonight for the
following zones: brazoria... Chambers... Galveston...

matagorda.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EPTT2 - 8771013 - Eagle Point, TX 5 mi51 min SSW 13 G 16 87°F 90°F1014.8 hPa
MGPT2 - 8770613 - Morgans Point, TX 11 mi51 min S 9.9 G 14 89°F 87°F1014.5 hPa
GRRT2 16 mi51 min SSE 9.9 G 11 87°F 90°F1014.7 hPa
LYBT2 17 mi51 min S 8.9 G 14 89°F 87°F1014.5 hPa
GTOT2 18 mi51 min 87°F 90°F
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 18 mi51 min S 14 G 15
NCHT2 - 8770777 - Manchester, TX 20 mi51 min S 7 G 12 90°F 86°F1013.5 hPa
RLOT2 - 8770971 - Rollover Pass, TX 25 mi51 min S 6 G 13 87°F 88°F1014.9 hPa
HIST2 32 mi51 min S 8 G 13 88°F 89°F1015.1 hPa
LUIT2 32 mi51 min SE 8 G 9.9 87°F
KXIH 34 mi34 min SSW 8.9 88°F 77°F
42035 - GALVESTON 22NM East of Galveston, TX 36 mi69 min SSW 7.8 G 9.7 86°F 88°F3 ft1015.8 hPa (-1.9)78°F
FCGT2 - 8772447 - USCG Freeport, TX 44 mi51 min SSE 8 G 9.9 87°F 88°F1015.3 hPa

Wind History for Eagle Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX12 mi79 minS 1210.00 miA Few Clouds91°F71°F52%1014.9 hPa
Houston, Pearland Regional Airport, TX14 mi76 minS 1110.00 miFair93°F70°F47%1014.6 hPa
Houston, Houston Hobby Airport, TX18 mi76 minS 1010.00 miPartly Cloudy93°F72°F50%1014.3 hPa
Galveston, Scholes Field, TX19 mi77 minS 1110.00 miFair88°F78°F73%1015.1 hPa

Wind History from EFD (wind in knots)
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Last 24hrSE7S6S5S6S6--S8--S5--SW6SW3S7S7S6S9SW9SW8SE7S12--SE11S12S8
1 day agoS6SE3S6S4S3SE2S2S3S3SE4S3S4S11--S10S10S12
G19
--SE9SE14S15SE12
G20
--S10
2 days agoS6S3S4S6S5S3S2SE3S3S3CalmCalmSW6SW8SW9--S10S10SW10
G15
S10
G18
S11S13S9S11

Tide / Current Tables for Eagle Point, Texas
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Eagle Point
Click for Map
Thu -- 02:30 AM CDT     Moonrise
Thu -- 06:49 AM CDT     Sunrise
Thu -- 07:12 AM CDT     1.07 feet High Tide
Thu -- 01:29 PM CDT     0.99 feet High Tide
Thu -- 01:33 PM CDT     0.99 feet Low Tide
Thu -- 04:32 PM CDT     Moonset
Thu -- 07:57 PM CDT     Sunset
Thu -- 11:44 PM CDT     -0.20 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.10.10.30.50.70.911.11.1111111110.90.80.60.30.1-0.1-0.2

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Thu -- 01:38 AM CDT     2.06 knots Max Flood
Thu -- 02:30 AM CDT     Moonrise
Thu -- 06:48 AM CDT     Sunrise
Thu -- 08:15 AM CDT     -0.00 knots Slack
Thu -- 11:05 AM CDT     -0.48 knots Max Ebb
Thu -- 12:15 PM CDT     -0.46 knots Min Ebb
Thu -- 04:31 PM CDT     Moonset
Thu -- 06:44 PM CDT     -2.09 knots Max Ebb
Thu -- 07:56 PM CDT     Sunset
Thu -- 11:11 PM CDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.6221.81.410.60.30.1-0.2-0.4-0.5-0.5-0.5-0.7-1-1.4-1.8-2-2.1-1.9-1.6-1-0.2

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Houston/Galveston, TX (21,6,7,8)
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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.